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We are looking for a skilled Team Lead Back-end Developer (Node.js)

✅Responsibilities:
✔️ Being transparent with the team about challenges, failures, and successes
✔️ Hiring and training technical personnel
✔️ Determining project requirements and developing work schedules for the team
✔️ Delegating tasks and achieving daily, weekly, and monthly goals
✔️ Liaising with team members and management to ensure projects are completed to standard
✔️ Motivating staff and creating a space where they can ask questions and voice their concerns
✔️ Delegating work and assignments to team members
✔️ Collaborating with their team to identify and fix technical problems
✔️ At least upper -Intermediate lvl of English

And for Developer part:
✔️ In-house platform development
✔️ 3rd party API integrations
✔️ Actively participate in developing new features from scratch

✅ Requirements:

✔️ At least 8+ years of experience, 3+ years in leadership
✔️ Excellent technical, diagnostic, and troubleshooting skills
✔️ Strong leadership and organizational abilities
✔️ Knowledge of JavaScript and the ECMAScript 6 standards
✔️ 3+ years of commercial experience with Node.js
✔️ 5+ years of commercial experience in web development
✔️ Commercial experience of working with DB
✔️ Commercial experience of implementing the REST and WebSockets
✔️ Experience of GIT version control system
✔️ Experience with databases MySQL
✔️ Experience with RabbitMQ
✔️ Experience with Redis

✅Nice to Have:
✔️ Experience with TypeScript

✅ We offer excellent benefits, including but not limited to:

🧑🏻‍💻 Learning and development opportunities and interesting challenging tasks;;

🏋️‍♂️ Company fitness corner in the office for employees;

📚 Opportunity to develop language skills and partial compensation for the cost of language classes;

🎁 Birthday celebration present;

🏝 Time for proper rest and 24 working days of Annual Vacation;

🍲 Breakfasts and lunches in the office (partially paid by the company).

We are an outsourcing company that partners with fintech and cryptocurrency businesses. This role is part of a client project specializing in financial operations with cryptocurrency. 
You’ll lead a remote, cross-functional engineering team responsible for the full software development lifecycle — including scalable architecture design, optimization of CI/CD pipelines, and delivery of reliable, high-performance production systems.

Responsibilities:

• Lead the Team: Provide technical leadership across the engineering team: development, QA, and external DevOps team.
• Own the Development Cycle: Take responsibility for the full SDLC.
• Improve Processes: Establish and refine Scrum practices, lead code reviews, and drive development standards.
• Collaborate Across Functions: Work closely with Product and UX Managers, the CTO, and other stakeholders to align tech solutions with business goals.
• Infrastructure Optimization: Evaluate and optimize server and cloud infrastructure to reduce latency, increase reliability, and improve cost-efficiency.
• Scalability Initiatives: Drive technical efforts to ensure the platform can scale effectively under increased load and usage.
• Oversee DevOps & CI/CD: Lead CI/CD automation, monitor infrastructure health, and ensure smooth deployments.
• Maintain and Evolve Technical Documentation: Ensure the team operates with clarity and consistency by maintaining high-quality technical documentation (including architecture overviews, decision records, and implementation guidelines).
• Architect Scalable Solutions: Define and evolve system architecture and technical requirements to support scalability and performance.
• Release with confidence: Ensure timely and stable product releases, and support ongoing operations.

Requirements:

• Leadership Experience: 3+ years as a Tech Lead, leading cross-functional teams (5+ members).
• Strong Engineering Background: 7+ years in full-stack development, with deep knowledge of best engineering practices.
• Mobile Development Experience: 1+ year in mobile hybrid development with Ionic/React Native/Flutter.
• Technical Stack: Node.js and TypeScript, Docker and Kubernetes and relational DBS (MySQL, PostgreSQL), and NoSQL (MongoDB).
• English: At least, Upper-Intermediate level.
• Domain-Driven Design: Hands-on experience applying DDD principles to design and structure complex systems.
• Blockchain Familiarity: General understanding of the crypto/blockchain ecosystem.
• System Integration: Solid experience with APIs, S2S integrations, and microservice-based architectures.
• Security Awareness: Hands-on experience with DDoS mitigation and vulnerability assessment tools and approaches.

Nice to Have:

• Domain: Experience of aggregator platforms.
• High-Load systems: Experience designing, developing, and supporting high-load, distributed systems with strong performance and scalability requirements.
• Certifications: Relevant certifications confirming your knowledge in technical areas (security, high-load architecture, system design, or technical leadership).

Conditions and benefits:

• Remote-friendly culture: Work from anywhere in the world with a flexible schedule in CET timezone;
• Tech-Driven Environment: Work with modern internal tools (no legacy systems).
• Impact-driven approach: We focus on results and allow you to shape product and business logic, and infrastructure.
• Reliable conditions: Transparent terms, stable compensation, and consistent support.
• Room for ideas: We work in teams with full autonomy, empowered by our clients to take complete ownership of our projects.

Games Inc. is seeking a hands-on Platform Team Lead to drive the evolution of its core platform. You'll lead a small, but skilled team and collaborate with key stakeholders to build a scalable, high-performance backbone for its games - covering everything from deployments to third-party integrations.

About the company:

Games Inc. is a long-established game studio with over 10 years of experience delivering high-quality real-money casino games. Renowned for visually striking and mathematically rich content, the studio collaborates with top-tier operators across regulated and unregulated markets. The diverse portfolio includes classic slots, bespoke table games, and next-generation crash games, crafted by a team of industry experts. With a proprietary Remote Gaming Server (RGS) and full licensing, Games Inc. ensures full control, scalability, and compliance.

Now expanding distribution, accelerating production, and investing in scalable tech, the studio is evolving into a globally recognised supplier.

What You Will Do:

Games Inc. is looking for a hands-on Platform Team Lead to own, evolve, and elevate the platform. You’ll lead a small but mighty team, working closely with the Chief Architect and other key leaders to ensure our platform is robust, scalable, and built with a future-focused approach. The platform supports everything from game deployment and integration to player session management, promotions, reporting, and third-party API connectivity. It’s the silent workhorse behind our games, and you’ll be the one making sure it grows up properly.

Summary of Responsibilities:

— Leading and growing the Platform team, providing technical guidance, mentorship, and structure;

— Playing a key role in owning and leading the technical direction and roadmap of our platform;

— Collaborating with the MD, Chief Architect, and Product team to scope and deliver platform features that scale;

— Overseeing integrations with operators, aggregators, and regulatory bodies;

— Prioritising stability, performance, and scalability in everything you build;

— Helping reduce technical debt and modernise legacy codebases where necessary;

— Championing clean code, testing, documentation, and DevOps best practices;

— Fostering a culture of ownership, accountability, and continuous improvement.

Our Tech Stack:

— We’re in the process of modernising our platform. Right now, we’re working with:

— Backend: Java, Typescript, NodeJS, Python;

— Infrastructure: AWS (EC2, CloudFront, Route53), Linux, Docker;

— Databases: MongoDB;

— Monitoring & CI/CD: Github, Jenkins, TerraForm, CAdvisor, Prometheus, Grafana.

What you'll need to have:

— 5+ years of backend/platform experience, including 1+ years in a team lead or senior engineer role;

— Strong experience with a Backend/Systems Language (Java, C++, Rust, C#, GO);

— Broad experience in software architecture, encompassing microservices, distributed systems, event-driven design and networking protocols;

— Extensive experience with NoSQL databases and large-scale database architecture;

— Experience in high-scale backend systems within Gaming, specifically with a slots provider;

— Solid knowledge of AWS infrastructure;

— Comfortable making architectural decisions and justifying trade-offs;

— Excellent problem-solving skills;

— Excellent communication skills with the ability to collaborate across disciplines and continents;

— Hands-on and practical, you know when to get stuck in and when to take a step back.

What Makes This Opportunity Unique:

• A remote-first culture built on trust, flexibility, and respect;
• An ambitious, transparent leadership team that actually listens;
• Plenty of autonomy and the opportunity to make a big, meaningful impact;
• A product you can influence at the deepest level;
• Competitive salary, holiday, and benefits (tailored depending on location).

Interview process:

• HR Interview with the Recruiter;
• A 1.5-hour Tech Interview;
• A 1.5-hour Final interview with the team.

If you find this opportunity right for you, don't hesitate to apply or get in touch with us if you have any questions!

Development Group Leader

Fluent Technologies is a leading system integrator and hosting provider specializing in ultra-low-latency strategy and market data solutions for the financial industry. Our dynamic team drives our ability to deliver unified communications and cutting-edge technology for tier-1 financial institutions. Learn more about us at www.fluenttech.net.

Role Overview: Fluent Technologies is a prominent software provider delivering ultra-low-latency financial systems to tier-1 banks across the EU and US. Our solutions support algorithmic trading, market access, risk management, price adaptation, liquidity aggregation, and more. As we expand our customer base and continue to grow our product offering, we are seeking a Development Group Leader to lead a team of engineers working on high-performance, mission-critical systems.

The development group consists of approximately 120 engineers across various roles, including core development, GUI development, QA, DevOps, and DBA, all working with a range of technologies. The software we develop operates in microsecond latencies and is used by all our customers, though it is not multi-tenant.

Key Responsibilities:

• Lead sprint planning and ensure effective project delivery.
• Directly manage part of the development team, fostering collaboration and growth.
• Oversee system architecture during design reviews, ensuring optimal solutions.
• Communicate directly with customers to understand their needs and gather requirements.
• Take ownership of the full development cycle, from specifications through design, coding, and unit testing.
• Ensure high standards of quality, performance, and reliability across all software products.

Desired Skills & Experience:

• Proven experience managing large engineering teams, including multiple team leaders and cross-functional teams (developers and QA).
• Strong experience in Agile methodologies (Scrum or similar).
• Direct interaction with external customers, including involvement in gathering requirements and translating them into technical solutions.
• Experience as a system architect, with a solid understanding of large-scale, complex software systems.
• Expertise in developing high-performance software, code optimization, and latency measurement.
• Strong background in multi-threading and multi-processing.
• Solid knowledge of Linux environments.
• At least 4 years of development experience in a related field.
• Fluency in English is essential.

Additional Advantageous Skills:

• Experience in the financial industry and algorithmic trading.
• Familiarity with C++ programming.
• Proven experience managing large engineering teams, including multiple team leaders and cross-functional teams (developers and QA).
• Strong experience in Agile methodologies (Scrum or similar).
• Direct interaction with external customers, including involvement in gathering requirements and translating them into technical solutions.
• Experience as a system architect, with a solid understanding of large-scale, complex software systems.
• Expertise in developing high-performance software, code optimization, and latency measurement.
• Strong background in multi-threading and multi-processing.
• Solid knowledge of Linux environments.
• At least 4 years of development experience in a related field.
• Fluency in English is essential.

We are looking for an experienced Team/Tech Lead (Full-Stack) who will take responsibility for the technical leadership of the development team, quality control of the code and implementation of innovative solutions. We expect you to have a deep understanding of modern technologies and be able to explain complex technical concepts in understandable terms.

Working hours after 04:00 pm EET;

Requirements:

• Experience in development using:

  - Front-end: React (or other modern frameworks).

  - Back-end: Python, Node.js.

  - CMS: Wordpress.

  - Other technologies in our stack (details to be specified).

• Experience with most of the mentioned technologies; understanding of the principles of operation of others.
• Strong code review skills and ensuring high code quality.
• Experience in managing a team of developers (mentoring, task planning, conflict resolution).
• Ability to solve complex technical problems and make informed decisions.
• Strong communication skills: ability to explain complex concepts in understandable language.
• Experience in implementing new technologies or approaches to development is welcomе.

Responsibilities:

• Code Quality Control: 

  - Conducting regular code reviews to maintain high standards.
  - Ensuring adherence to best development practices.

• Team Technical Support:

  - Assisting the team in solving complex tasks.
  - Providing support in case of technical difficulties or clarifications.

• Working on complex technical tasks:

  - Participating in solving the most complex technical tasks and finding effective solutions.

• Team Coordination:

  - Allocating tasks, setting technical goals and monitoring their implementation.
  - Ensuring effective interaction within the team and with other departments.
   

We offer:

•  Fixed salary in USD;
•  The adaptation period is negotiated individually with the candidate;
•  An interesting project in an international company;
•  Loyal leadership, lack of bureaucracy;

About us

It is a leading global platform for family history that helps people around the world discover more about themselves and their roots. Offering intuitive tools, billions of historical records, affordable at-home DNA testing, and AI-powered photo features, it creates a deeply meaningful and rewarding experience of discovery. Tens of millions of people worldwide use the platform to explore, preserve, and celebrate their heritage.

Your goal

As the Web Team Lead, you’ll lead our genealogy-focused front-end development team, collaborating closely with UX/UI designers, product managers, and back-end and QA engineers to create seamless, engaging web experiences. Your mission is to develop intuitive interfaces that make exploring family history effortless, enjoyable, and data-driven.

What you'll do

• Lead and mentor a front-end development team of 4+ members, ensuring high performance and professional growth.
• Design and develop user-friendly genealogy tools utilizing modern front-end technologies, including React (with SSR), Redux, ES2015+ (Babel), GraphQL, SASS, and Webpack within a CI/CD environment (Jenkins).
• Uphold high coding standards with rigorous testing using Jest and React Testing Library.
• Extend and enhance our custom component library.
• Optimize web applications for speed, scalability, and cross-browser compatibility.
• Collaborate with back-end engineers to integrate APIs for historical records and family tree data.
• Ensure adherence to front-end security best practices, safeguarding against XSS, CSRF, and other vulnerabilities.
• Monitor the production environment, proactively identifying and resolving performance, security, and usability issues.
• Stay ahead of trends in web development, AI, and genealogy technologies to drive innovation.

What you bring

• 7+ years of experience in front-end development, with at least 3 years in a leadership role.
• B.Sc. in Computer Science or Software Engineering.
• Strong leadership skills, with a proven ability to inspire, motivate, train, and manage senior web developers.
• Proven track record delivering scalable, high-performance web applications.
• Comfort balancing leadership responsibilities with hands-on development, actively engaging in code reviews and technical decision-making.
• Extensive experience with architectural and design-related activities.
• Expertise with React/Redux or similar modern web libraries and frameworks.
• Excellent proficiency in vanilla JavaScript/ESNext, HTML, and CSS.
• Solid experience with RESTful APIs, GraphQL, and real-time data integration.
• Excellent problem-solving abilities, adaptability, and an eye for UX/UI best practices.
• Familiarity with Agile methodologies and tools such as Jira, GitHub, and CI/CD pipelines.
• Server-side familiarity and comfort with associated responsibilities.
• Visionary approach in pre-planning phases and capability to create long-term strategic goals.
• Fluent in English; proficiency in Ukrainian is a plus.

Job Title: Technical Lead
Location: Galway, Ireland
Work model: Hybrid (3 days in-office minimum)
Who We Are
At SOTI, we are committed to delivering best-in-class mobile and IoT device management solutions. We are looking for out-of-the-box thinkers that appreciate the art of creating great software.
To us, being visionary is more important than doing things the way they’ve always been done.
What We’re Looking For
Our people are our most important resource. For us to continue to develop new innovations and achieve the impossible, we are looking for out-of-the-box thinkers that appreciate the art of creating great software.
As a Tech Lead, you bring strong people management skills to the role. You’ll be actively involved in code reviews and play a key role in making strategic technical decisions. You are passionate about modern technology, and you are driven by your energy to identify and resolve complex problems with an aptitude for learning new technologies.
What’s in it for you?
The People - From our humble origins in our founder’s basement, to our industry leading position today, SOTI has worked hard to foster a company culture that we can all believe in. A culture that emphasizes personal growth, continuous innovation and fun.
The Growth - Our environment fosters new ideas, fresh perspectives, and the ability to take them over the goal line. SOTI is a fast-paced environment with a global reach that encourages you to make your mark and be part of something big!
The Technology - You’ll get the chance to work with leading edge technologies and take on complex and interesting projects, as part of highly collaborative and agile teams. You will work alongside SOTI’s partners which include leading tech giants that will keep you on the cusp of emerging technologies.
What You’ll Do:
 

• Visualize and build effective, creative, and efficient products by anticipating customer and industry requirements.
• Direct and encourage software developers to create new and inventive solutions and technologies.
• Explore and implement the latest top-notch software development practices for the entire software development life cycle.
• Support Product Owners and Scrum Master in the execution of implementation plans and the creation of roadmaps.
• Guide and motivate team members to efficiently solve problems and improve processes.
• Assist Scrum Master and teams by identifying and resolving issues while applying scrum principles within the team.
• Stimulate the growth of technical capabilities within the team by training on the job and through external training.
• Facilitate knowledge sharing throughout the organization.
• Drive projects forward, manage priorities with senior leadership and keep all stakeholders updated.
   

Experience You’ll Bring:
 

• Expertise in Computer Science with an excellent understanding of math, algorithms, data structures, design patterns and software architecture, and the ability to understand the logic behind the relationships within programs themselves.
• 8+ years of experience in software development, design, and testing
• 3+ years of experience in a management/leadership role in a software development environment.
• Expertise in the software development industry and a deep understanding of software development lifecycle best practices.
• Thorough understanding of agile software development methodologies.
• Adept in programming languages and have good technical know-how.
• Ability to coach software developers in technical skills and provide guidance whenever needed.
• Demonstrated experience in project management and process management.
• Ability to prioritize and thrive in a fast-paced environment.
• Excellent planning, organizational, time management, analytical and problem-solving skills.
   

About SOTI Ireland - Research & Development Office
SOTI Research and Development office in Galway was recently established to explore new technologies and innovative solutions. We strive to go where nobody has gone before. We are in the heart of Galway City next to the Cathedral and NUIG. We hire smart people and give them the autonomy to do great work. We put the power to make decisions in the hands of the people closest to that decision.

We are seeking a hands-on Tech Lead / Solution Architect to shape and scale our next-generation iGaming platform. This role blends deep technical expertise, architectural design, and leadership skills to ensure our systems meet the demands of high-volume, real-time, and regulated environments.

Requirements:

• Proven experience in building Monolithic, Microservices, and Event-driven architectures, including decomposition of legacy systems into scalable microservices.
• Designing and implementing high availability (HA), fault-tolerant, and load-balanced solutions for large-scale, high-traffic applications.
• Orchestration Engines: Hands-on experience with workflow orchestration platforms (e.g., Camunda, Temporal) for process automation and distributed workflows.
• Strong expertise in designing scalable database schemas and managing both relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) systems with focus on performance optimization and horizontal scaling, Rabbit, Kafka.
• Knowledge of VMware-based infrastructure as well as modern container orchestration platforms (Docker, Kubernetes). Nice to have: Apache Spark, Hadoop.
• Building robust CI/CD pipelines using GitLab CI/CD, enabling continuous delivery and deployment across complex environments.
• Practical development skills in PHP (Laravel, Laravel Octane), Node.js, JavaScript, Java, Next.js, React. Experience with performance-heavy systems and familiarity with multiple other languages(C#,C++, Python3, .NET).
• Setup and integration of monitoring/alerting systems (Prometheus, Grafana, Kibana, ELK Stack, Sentry) for proactive issue detection and performance analysis.
• Deep understanding of automation-first approaches, infrastructure as code, and collaboration between development and operations.
• Proven ability to lead teams, mentor engineers, and align technical decisions with business goals. Skilled at translating business requirements into efficient technical solutions.

Nice to Have:

• Experience analyzing technical risks and defining mitigation strategies.
• Expertise in building PoC (Proof of Concept) and MVP (Minimum Viable Product) to validate business ideas quickly.
• Familiarity with architectural modeling tools (Lucidchart, Draw.io, C4 Model).
• Experience in multi-region deployments and scaling distributed systems across hybrid environments (cloud + on-premise VMware setups).
• Background in designing mission-critical financial, e-commerce, or enterprise-grade systems with strict SLAs and compliance requirements.

Responsibilities:

• Evaluation and clarification of incoming functional business requirements from customers and business analytics in specification format;
• Creation of technical specifications following functional business requirements;
• Building of services and infrastructure architecture according to technical specifications;
• Control of compliance of new solutions to the general architecture;
• Technical risks evaluation for services performance and infrastructure, and potential solutions development for mitigation;
• Services and infrastructure evolving and optimization;
• Performance, security, and stress testing planning and supervision found vulnerabilities and issues resolving;
• Architecture and technical solutions presentation and discussion with technical Leads and members;
• Supervision of technical solutions compliance to project requirements;
• Maintenance of technical documentation and development regulations;
• Requirements analysis, technical design, scope decomposition, and estimation with the technical teams;
• New projects and services of the company evaluation for compliance with the existing regulations and methodologies;
• Mentor development team members and Senior technical staff in the architecture area;
• Establishment and development of new technological practices for the company.

What we offer:

• Competitive salary;
• Remote work in a flexible environment;
• 20 working days of paid vacation and education projects;
• Great product with our software solution;
• Opportunity for growth at professional levels, attending top industry events and conferences, and international workshops at our competence centers.

Don’t delay! Send your CV right now and join our highly professional and ambitious team!

We are seeking a results-driven Atlassian Engineer with Product Owner skills to help drive the evolution and optimization of our internal Atlassian tool ecosystem (Jira, JSM, Assets, Confluence, Atlassian Analytics, etc.). As a member of the Product & Technology Operations organization, you will help manage the Atlassian platform roadmap, gathering and prioritizing requirements from cross-functional teams, and ensuring that our Atlassian tools align with business needs and drive operational excellence. This is a mid-level to senior role ideal for someone with hands-on experience owning enterprise-scale Atlassian implementations and collaborating with engineering, product management, and operational stakeholders. 

Responsibilities: 

• Help manage the product roadmap for the Atlassian suite, ensuring it aligns with the broader internal tools strategy and business objectives. 
• To have extensive hands-on experience with the configuration, maintenance, and administration of the Atlassian Suite
• Serve as a point of contact for Jira, JSM, Confluence, and other Atlassian products. 
• Collaborate with cross-functional teams (Engineering, Product Management, Design, QA, Security, etc.) to gather requirements, understanding use cases, pain points and areas for improvement. 
• Translate business and technical requirements into clear epics, user stories, and acceptance criteria. 
• Prioritize backlogs and manage the lifecycle of enhancements, customizations, and integrations across Atlassian tools. 
• Help drive proofs of concept on new tools, plug-ins, and integrations. 
• Communicate new features and enhancements to stakeholders. 
• Develop and maintain clear, comprehensive documentation, training materials, and knowledge base articles to support and empower both internal teams and end-users in getting the most out of the Atlassian suite. 
• Drive training, onboarding, and change management initiatives. 
• Stay current with Atlassian’s roadmap, product updates, and best practices, and make proactive recommendations. 
• Measure and communicate the impact of changes and enhancements via metrics and reporting dashboards

Requirements: 

• 5+ years of experience in Atlassian development, desire to work with product ownership tasks, business systems analysis, or internal tools management. 
• Deep knowledge of the Atlassian ecosystem (Jira, JSM, Confluence, etc) along with experience configuring and administering such applications. 
• Knowledge of data analytics. 
• Proven ability to manage complex stakeholder environments and conflicting priorities. 
• Strong analytical and problem-solving skills. 
• Demonstrated success in owning tool roadmaps, gathering requirements, and delivering process and productivity improvements. 
• Excellent communication skills and a knack for translating technical concepts into non-technical language. 
• Experience working in Agile-oriented organizations. 
• Strong English skills, both written and verbal.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

At SPD Technology, we bring together a team of like-minded people who are driven by the desire to bring value through their work, united in their commitment to high performance and delivering custom, cutting-edge tech solutions that drive clients’ growth. We empower our people with a culture of excellence and enable them with the opportunity to uphold their accountability to contribute on each level. We value humanity and collaboration, encourage professional and personal growth, and foster a supportive and flexible work environment where everyone’s contribution is welcomed.

We are looking for an Team Lead Java/Kotlin Engineering to join us as part of our team.

About the role

This role directly fuels business growth by combining hands-on technical leadership with dedicated team mentorship to accelerate the delivery of high-quality, reliable products that enhance customer value.

About the project

FloLIVE is rewriting the playbook for the global IoT Connectivity landscape. Our groundbreaking Connectivity Management Service is reshaping the way Enterprises, Cloud providers, IoT service providers, and Mobile Operators connect and manage their devices across the globe.
Our global presence includes the United Kingdom, United States, Israel, Bulgaria, and China, solidifying our commitment to local, secure, and compliant connectivity solutions. With our innovative software-defined connectivity technology, FloLIVE delivers seamless connectivity management across boundaries.

Team

You will be leading a highly collaborative and experienced full-stack development team based in Ukraine. The team comprises: Technical Leader, 3 BE Kotlin Engineers , QAA,  FE Engineer.

Technical stack

Kotlin, Auto-tests (jUnit, integration tests, w/ and w/o Testcontainers, e2e system tests);

DB: Postgres, ClickHouse;

Hazelcast, Kafka, k8s.

Work Environment

Work schedule – regular working day, 9-18, Mon-Fri. TimeZone – UTC+02:00 (Ukrainian).

Meetings – Daily Scrum Meetings, sync with R&D leaders weekly, meetings on-demand.

As a qualified expert You will

People Management & Growth:

Lead Your Team: Lead, manage, and mentor a development team of 6 people.

Build the Team: Act as the direct leader for your team, taking a genuine interest in the professional growth of each member. Provide active support to improve team member performance and drive a culture of accountability. Develop a collaborative and productive team environment, utilizing strong communication, problem-solving, and risk management skills.

Technical Execution & Hands-On Leadership:

Execute the Roadmap: Execute the technical engineering roadmap, guiding the team’s work to meet strategic engineering goals.

Engage Hands-On: Engage in the hands-on development process for up to 50% of your time. This may include back-end development using Kotlin, code review and change approvals, scrum testing, or writing auto tests.

Drive Quality and Standards: Apply global engineering standards and best practices within the team to ensure high-quality, consistent delivery.

Operational Management:

Manage Team Operations: Establish clear operational objectives, set short-term goals, and create work plans, delegating assignments effectively to your direct reports.

Measure Success: Apply and implement key engineering metrics (e.g., team velocity, code quality, bug rates) to monitor progress and ensure team effectiveness.

Collaborate and Report: Coordinate tasks, monitor progress, and provide clear status updates to the team and collaborating R&D Project Managers. Proactively address issues to maintain project momentum.

We’re looking for you if you have

• Experience in the Telecom domain.
• Proven experience as a Team Leader or Engineering Manager for 3+ years.
• High emotional intelligence (EQ) to confidently navigate the challenges of leadership.
• Strong technical background and significant hands-on development experience, sufficient for effective communication with technical teams and risk identification.
• Experience managing development tasks, including scrum and testing methodologies.
• Exceptional leadership, communication, and interpersonal skills.
• B2 English level or higher, enabling you to confidently communicate complex topics and maintain a positive environment within international teams.
• Strong analytical and problem-solving abilities.

What’s in it for You

Reveal great tech solutions

Join the team of experts who create custom, cutting-edge tech solutions for world-renowned businesses, fueling client growth. Unleash your potential, tackle new challenges, and be part of a team that values your skills and contributions. Focus on long-term impact and building tailored, long-lasting partnerships with our clients.

Experience an agile and flexible working environment

Enjoy the freedom of fully remote work with a flexible working schedule. Empower yourself with a stable workload and a stable income, supported by provided laptops and licensed software. We focus on lasting cooperation and unite result-oriented individuals who stand on a high-performance approach to work.

Embrace the opportunity for personal and professional growth

Benefit from performance and merit reviews, elevate your skills with personal development plans, and individual learnings through the corporate library, public speaking support, and more.

Be among like-minded people

Work with a team of one mind who cares about what they do and how they do. Collaborate with top-notch experts who are always ready to help and support you through any challenges. Join company-wide tech and cultural events, and contribute to meaningful CSR initiatives that resonate with your values. Feel supported by your HR, and take advantage of our referral bonus program.

Interview steps

1. Pre-Screening with the recruiter (0.5 hour).
2. Technical Interview (1.5 hour).
3. Client interview (30 min).

Uvik Software is looking for a Tech Lead (Python/Django and React) who loves combining hands-on coding (~70%) with architectural leadership. You will define the technical vision, design scalable systems, and ensure best practices across the stack—while still writing code and shipping features.

About the Project
We are building a platform that connects nonprofits and small businesses with skilled volunteers, helping them tackle complex challenges and maximize their impact. Our mission is to close the resource gap that 92% of nonprofits face by giving them access to expertise in marketing, HR, technology, strategy, and more. Volunteers contribute to causes they care about, while organizations gain the support they need to achieve their vision.
 

This role is ideal for someone who enjoys being both a builder and a strategist: leading technical decision-making, mentoring engineers, and architecting systems that last.

🌍Work schedule: according to US time

🛠 Tech Stack

• Backend: Django, PostgreSQL, OpenAI API, Klaviyo, ElasticSearch, SendGrid
• Frontend: React, Vite, TailwindCSS

• DevOps / Infra: Render, AWS

   

🎯 Responsibilities

• Lead the design and development of scalable, secure, and maintainable architecture
• Own technical decisions, architecture guidelines, coding standards, and best practices
• Contribute ~70% of your time to hands-on development (Django, PostgreSQL, APIs, React)
• Architect and optimize data flows, integrations, and APIs (search, messaging, interoperability)
• Integrate external services (OpenAI API, Klaviyo, SendGrid)
• Build and maintain CI/CD pipelines and infrastructure (AWS, Render)
• Ensure scalability, performance, and fault tolerance
• Conduct code reviews, mentor engineers, and drive knowledge-sharing
• Collaborate with product and design teams to align business needs with technical solutions

• Balance short-term delivery with a long-term architectural vision

   

✅ Requirements

• 5+ years in software engineering, including 2+ years as a Lead or Architect
• Strong expertise in Python (Django) and React
• Proven experience designing and implementing scalable architectures (microservices, modular monoliths, or hybrids)
• Solid knowledge of PostgreSQL, ElasticSearch, and API design
• Experience with AWS (Render experience is a plus)
• Familiarity with architecture patterns (event-driven, modular, layered, serverless)
• Understanding of DevOps practices: CI/CD, observability, IaC
• Excellent leadership, communication, and mentoring skills
• English B2–C1: confident in technical discussions, client communication, and documentation

🌟 Nice to Have

• Experience designing architectures for SaaS or platform-based solutions
• Previous work in nonprofit / social impact projects
• Knowledge of AI/ML integration patterns
• Familiarity with serverless deployments and microservices orchestration

🚀 What We Offer

• Architectural ownership → shape the technical future of the platform
• Mission-driven work → build products with real social impact
• 100% remote & flexible hours → freedom to work the way you work best
• Modern stack & autonomy → use cutting-edge tech with freedom to innovate
• Collaborative team culture → supportive, high-trust environment
• Competitive compensation  + opportunities for growth 

📩 Ready to lead and build with impact? Apply now and help us create a platform that empowers organizations and changes lives.

About Axis

Axis builds B2B software for slot/game aggregation—high-throughput APIs, reliable studio integrations, and clean back-office dashboards. We move fast, keep things pragmatic, and collaborate primarily via Telegram/Slack.

The role

You’ll be a hands-on Tech Lead reporting directly to the CTO. You’ll own core architecture, guide a small team, and ship platform services that partners rely on. Expect a blend of technical leadership (roadmaps, reviews, mentoring) and building (designing systems, writing code, unblocking releases).

What you’ll do

• Set and evolve the technical architecture for our aggregator platform and internal tools.
• Lead delivery: sprint planning, code reviews, CI/CD, reliability/incident response.
• Drive API integrations with studios/providers (OpenAPI/RGS), ensuring idempotency, observability, and fault tolerance.
• Raise our platform bar: security, logging, metrics/alerts, cost controls.
• Partner with product on scope/roadmaps; ship iterative, testable releases.

• Mentor engineers and collaborate with the CTO on hiring and team growth.

   

What you bring

• 6+ years in software engineering, incl. 2+ in a lead/staff role.
• Strength in TypeScript/Node.js (NestJS/Express) or Go; solid PostgreSQL, Redis.
• Event-driven systems & queues (Kafka/RabbitMQ/SQS); Docker/Kubernetes; AWS or GCP; IaC (Terraform) is a plus.
• Proven track record building high-throughput APIs with great observability (OpenTelemetry/Prometheus/Grafana).
• Pragmatic testing (contract/load/canary) and strong incident management.
• Clear written communication; comfortable with async collaboration.

Nice to have

• Experience with game/slot provider integrations (RGS, wallets, rounds, reconciliation).
• Data/analytics pipelines (dbt/BigQuery/Snowflake) and BI for partner reporting.
• Security foundations (OWASP, secrets/key rotation) and compliance-friendly practices.
• Frontend chops (React/Next.js) for ops consoles and partner dashboards.

What we offer

• Scalable compensation starting at USD $3,000/month, adjusted as you take on broader scope and deliver impact.
• Remote-first, flexible hours, fast decision cycles.

Our company operates at the intersection of blockchain technologies, high-load systems, and next-generation financial instruments. Our products include data indexing, trading automation, and DeFi integrations.

Tech stack: Python, Rust, TypeScript, PostgreSQL, RabbitMQ, Docker, Web3/EVM.

Responsibilities

• Design and develop backend service architecture (Python + Rust): APIs, queues, integrations, on-chain event indexers.
• Build and evolve event-driven architecture: idempotency, exactly-once via transactions and deduplication, outbox/inbox, retries, and DLQ.
• Develop and optimize database schemas (PostgreSQL): indexes, partitioning, JSONB, ACID transactions, query optimization, migrations.
• Integrate with Web3/EVM: read and process events, work with smart contracts, nonce management, reorg/finality handling, signing.
• Develop Subgraph (The Graph): schema design, TypeScript mappings, indexing optimization.
• Work with DeFi protocols: Uniswap V2/V3, AMM/DEX formulas, liquidity, arbitrage, slippage.
• Performance optimization: Python profiling (asyncio, uvloop, GIL), hot-path optimization in Rust.
• Observability and reliability: metrics, traces, logs (Prometheus, Grafana, OpenTelemetry), SLO/SLI, fault tolerance.
• Security: data validation, access control, secure key storage (Vault/KMS/HSM), rate limiting, smart contract audits, fuzz testing.
• CI/CD and infrastructure: GitHub Actions, Docker/Compose, release management, secure deployments; Kubernetes experience is a plus.

• Team leadership: mentoring, code review, task distribution, enforcing engineering practices and quality standards.

   

Requirements

• 5–8+ years of commercial backend development experience.
• 2–3+ years of blockchain/DeFi experience (EVM, on-chain data, smart contracts, integrations).
• 2+ years in a team lead/tech lead role (planning, code review, prioritization, working with business requirements).
• Python: FastAPI/Starlette, asyncio, Pydantic v2, SQLAlchemy 2.x, Alembic.
• Rust: async/tokio, networking, profiling.
• PostgreSQL: advanced schema design, indexes (BTREE/GiST/Gin), partitioning, performance tuning.
• Messaging & events: RabbitMQ/AMQP, delivery guarantees, retries, DLQ, message contract design.
• Blockchain/DeFi: ABI, events, integration with Solidity contracts, Uniswap V2/V3.
• Subgraph (The Graph): schema design, mappings, indexing optimization.
• Infrastructure: Docker/Compose, CI/CD (GitHub Actions), basic networking and container security knowledge.
• Observability: Prometheus, Grafana, OpenTelemetry; experience defining SLO/SLI.

• Soft skills: clear communication, prioritization, mentoring, decision-making.

   

Nice to have

• Production experience in Rust (tokio, async, tracing), profiling and optimization.
• Go experience (CLI utilities).
• Experience building ETL pipelines for on-chain data, DWH (ClickHouse/BigQuery).
• Knowledge of L2 solutions (Optimism, Arbitrum), cross-chain bridges/protocols.
• Work with MEV, mempool, and gas optimization.
• Web3 tools: Foundry, Hardhat, Ethers.js, web3.py.
• DevOps: Kubernetes, Terraform/Ansible, advanced monitoring and alerting.

We are looking for a Head of Delivery – a hands-on leader with a strategic mindset and strong operational skills. This is a senior level role for someone who’s ready to take ownership of delivery processes, lead the Project Management team, and work closely with the CTO to optimize and scale our delivery organization. 
 

Key Responsibilities 

• Lead and mentor the Project Management team, fostering growth and high performance. 
• Own the entire delivery process – from planning and execution to monitoring, reporting, and continuous improvement. 
• Work closely with the CTO and leadership team to align delivery operations with company strategy. 
• Build, optimize, and scale delivery frameworks, methodologies, and tools to support growth. 
• Analyze team performance and implement improvements. 
• Act as the main escalation point for delivery-related issues across projects. 
• Ensure excellent communication and coordination between internal teams, stakeholders, and clients. 
   

Requirements 

• 5+ years of experience in IT project management, with at least 2+ years in a leadership role  
• Proven success in managing multiple projects and teams simultaneously 
• Technical background in software development will be a big advantage 
• Familiarity with modern web development technologies and architectures, preferably including experience managing projects involving .NET, Angular, React, or Node.js. 
• Deep understanding and hands-on experience in building and optimizing delivery processes using agile methodologies (Agile, Scrum, Kanban, etc.). 
• Hands-on experience managing complex, high-value client projects. 
• Previous experience managing distributed or cross-functional teams. 
• Excellent people leadership skills: mentoring and performance management. 
• Strong organizational and strategic thinking abilities. 
• Excellent stakeholder management and communication skills. 
• Upper-Intermediate English or higher. 

We Offer 

• Key Leadership Role: Take ownership of scaling the delivery organization, working closely with the CTO and leadership team. 
• Impact & Influence: Directly shape delivery strategy and influence key operational decisions. 
• Collaborative Environment: Join a team that values collaboration, creativity, and mutual respect. 
• Generous Time Off: Enjoy 20 paid vacation days and 15 paid sick leave days annually, ensuring a healthy work-life balance. 
• Flexible Work Options: Work remotely from the comfort of your home or join us in our modern Kyiv office 
• Professional Development: We support your growth by compensating for courses, certifications, and other educational opportunities. 

We are seeking an experienced Tech Lead to join EvaCodes team and drive the technical vision of complex projects. In this role, you will lead the development team, ensure the delivery of high-quality software solutions, and collaborate closely with clients and stakeholders. This position is ideal for a seasoned professional with a strong technical background and leadership experience in software development, particularly in Web3, blockchain, tokenization, and DeFi projects.

Responsibilities

•  Lead and mentor a development team, fostering a culture of collaboration, innovation, and high-quality code.
• Define technical architecture feature design) and ensure scalable, secure, and efficient system design, including DeFi protocols, tokenization platforms, and smart contracts.
• Translate business requirements into technical solutions (WBS) for tokenized assets, staking, lending, DEXs, and DeFi protocols.
• Oversee code quality through reviews, testing, and adherence to best practices in blockchain and Web3 development.
• Manage project delivery, track progress, and ensure timelines and milestones are met.
• Evaluate and implement new technologies, tools, and frameworks to enhance productivity, product quality, and blockchain/DeFi capabilities.
• Provide guidance on integrating token standards (ERC-20, ERC-721, ERC-1155, ERC-1400, ERC-4626), cross-chain solutions, Layer-2 networks, and DeFi protocols.
  
   

Requirements

• 5+ years of software development experience, including backend and full-stack projects.
• Proven experience in a leadership role, managing development teams and complex projects.
• Proven hands-on experience in blockchain/Web3, including smart contracts and decentralized applications.
• Solid understanding of system design, architecture patterns, algorithms, and scalability principles.
• Proficiency with API design (REST/GraphQL), databases (SQL and NoSQL), and CI/CD pipelines.
• Familiarity with security best practices for smart contracts (reentrancy, flash loan attacks, audits).
• Excellent communication skills and ability to coordinate with clients and distributed teams.
• Experience with wallet integrations, oracle services, Layer-2 solutions, and cross-chain bridging is a plus.
• Experience with EVM-compatible  L1 networks like Hyperledger (Besu), Remix,Truffle, etc is a plus 
  
   

What We Offer

• Remote-friendly work environment with flexible hours
• Corporate English classes
• Corporate legal support
• Monthly social events
• Internal training opportunities
• Career growth opportunities
• Paid annual leave, Sick leave, additional days off