Jobs at Djinni

Who We Are

PAR Retail, with its Open Commerce® product suite and patent pending Wallet Steering® System, empowers Convenience & Fuel Retailers to gain more share of wallet and customer lifetime value than possible with any other solution provider. PAR Retail’s unified Open Commerce product suite consists of: Activate for Intelligent 1:1 Loyalty, Transact for Contactless Commerce, and Experience for Cross-Channel Customer Experiences. PAR Retail’s solutions are supported by a set of subscription-based program management services and are contractually backed by its 1.5X Performance Guarantee.

Technology Stack:

Ruby, Ruby on Rails, Postgres, Redis, Sidekiq, GraphQl, RabbitMQ

Requirements:

- Practical experience building systems in Ruby on Rails

- At least 6 years industry experience or equivalent

- Experience building and maintaining backend APIs, including design, implementation, evolution, and maintenance

- Familiarity with TypeScript, or similar modern strongly-typed language

- Proficiency using a variety of database technologies, both relational and non-relational

- Strong understanding and familiarity with CI/CD pipelines and automated tests

- An ability to work in service-based architectures as well as well-factored Rails monolith applications

- Highly independent and able to effectively self-organize and prioritize work

- The ability to write clean code, and the discipline to write effective automated tests to deliver high-quality system improvements

- An ability to effectively break down larger bodies of work for delivery as a series of small, self-contained changes to the system

- Excellent spoken and written communication skills

- BS/MS degree in Computer Science, Engineering, or equivalent years of professional working experience

Bonus Points

- Experience with NodeJS and React

- Experience in the retail and/or fuel & convenience industries

- Experience working in distributed teams

- Experience with Nest.js and/or GraphQL

Responsibilities:

- Collaborate closely with other Engineers, design and implement new functionality based on product objectives and requirements.

- Work with the broader product engineering team to plan and coordinate feature and functionality improvements, as well as resolve bugs and execute technical enhancements, that cross-cut large parts of our platform.

- Work to continually learn, improve technology skills, expand knowledge of the our platform technologies, and gain increasing versatility across the breadth of our platform systems.

- Expand APIs and business logic, and as needed write or revise customer-facing API documentation.

- Work with our infrastructure team to enable and enhance highly-available, performant, and well-instrumented backend applications and services that run in our customer environments at substantial scale.

- Support operations and infrastructure teams for issue resolution on relevant applications or services running in production environments.

PAR Retail Offers:

- Long-term employment;

- Competitive compensation with regular performance-based salary and career development reviews;

- Paid vacations and sick leaves;

- Flexible working hours;

- A unique and friendly environment where everyone can explore and learn new technologies.

Pixel mindIT is an innovative IT company specializing in software development, web applications, and mobile apps. We bring together a team of passionate professionals working with cutting-edge technologies. With us, you'll find a creative approach to complex challenges, efficient project management, and a culture of continuous growth.
 

Requirements:

- Basic to intermediate knowledge of HTML/CSS, JavaScript, and TypeScript
- Familiarity with or hands-on experience in Node.js using Express.js and/or Nest.js frameworks
- Understanding of networking principles: RESTful API design and HTTP/HTTPS protocols
- Familiarity with GraphQL APIs
- Basic understanding of databases: MongoDB, Redis, MySQL, PostgreSQL
- Eagerness to learn ORM tools such as Mongoose, Prisma.js, TypeORM, and Sequelize
- Familiarity with Git version control and GitHub in collaborative environments

What We Offer

- Flexible working hours
- Official employment with a competitive salary based on your experience and skills
- Open positions from Trainee to Middle — grow with us
- English language courses to support your professional development
- Modern office with high-quality equipment and a comfortable workspace
- Friendly and supportive team that encourages both professional and personal growth
- The opportunity to work on exciting and innovative projects

Pixel mindIT is an innovative IT company specializing in software development, web applications, and mobile apps. We bring together a team of professionals who work with the latest technologies. You’ll find a creative approach to solving complex challenges, efficient project management, and a continuous improvement process with us.

Requirements:

- knowledge JavaScript/TypeScript
- еxperience in developing on React.js;
- knowledge of Next.js would be an advantage

- familiarity with Redux/React Redux

- proficient in using Git.
- English level: B1 or higher.
 

What We Offer:
- Flexible working hours.
- A friendly and welcoming work environment in a comfortable office.
- Official employment with a competitive salary based on your experience and skills.
- An exciting opportunity to contribute to innovative projects.

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies. 

We are looking for a Marketing Manager to join our team!

Requirements

• 2+ years as a creative marketer/creative producer/senior SMM/Marketing manager/creative strategist;
• Experience with 360 campaigns (digital + social media + influencer + offline/events/merch);
• Experience in product or performance-oriented teams;
• Ability to generate ideas for specific tasks;
• Experience developing creative concepts for a wide range of tasks, special projects, influencer integrations, PR campaigns;
• Well-versed in: understanding trends in social media, YouTube, merch, and events;
• Ability to find and adapt refs to the brand;
• Experience setting tasks for design (static / motion), video production, events/special projects;
• Ability to write clear briefs and specifications;
• Understanding of the VP and merch production pipeline (deadlines, stages, limitations);
• Understanding how creative influences: CTR, ER, retention/engagement;
• Ability to interpret campaign results and draw conclusions;
• Basic understanding of performance marketing;
• Experience or understanding of merch/brand material development;
• Sense of trends in visuals, fashion/pop culture.

Responsibilities

• Collaboration with marketing, SMM, digital, production, events, and the merch department;
• Primary focus: collaboration with design, events, and merch;
• Participation in cross-functional brainstorming sessions (stand concepts, merch concepts, creative development for video production);
• Participation in developing creative concepts for special projects and PR campaigns;
• Participation in developing campaigns for influencers and YouTube channels;
• Generating creative ideas for marketing campaigns;
• Participation in developing creative concepts (360);
• Proposing and defending creative solutions aimed at increasing key metrics (CTR, ER, etc.);
• Searching for and adapting trends and references to brand guidelines;
• Responsibility for the visual and creative content of the brand across all channels;
• Formulating and setting design objectives (static, motion, special projects);
• Preparing briefs (goals, target audience, messages, formats, references) in collaboration with the project's Marketing Manager;
• Preparing technical specifications for the design, production, event, and merch teams;
• Monitoring the deadlines and quality of creative tasks;
• Participating in developing merch ideas (clothing, accessories, event materials);
• Searching for visual solutions and trends for merch;
• Communication with the merch department + overseeing the creative side of merch production;
• Monitoring merch compliance with brand style and objectives;
• Analyzing the effectiveness of campaigns, drops, and past events;
• Drawing conclusions and recommendations;
• Optimizing creative solutions and special projects based on data and retrospective analysis.

What are the conditions and bonuses?

☘️An exciting and challenging job in a fast-growing product company, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and other;

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed;

📍Beautiful offices in Warsaw, Limassol work remotely or on-site with comfort and enjoy the opportunity to build a network of connections with professionals day by day;

🧑🏻‍💻Laptop & all necessary equipment for work according to the ecosystem standards;

🏖Paid vacations, personal events days, days off;

🫖Paid sick leave;

👨🏻‍⚕️Medical insurance;

💵Referral program enjoy cooperation with your colleagues and get the bonus;

📚Educational support by our L&D team: internal and external trainings and conferences, courses on Udemy;

🧘Sport benefit;

🦄Multiple internal activities: online platform for employees with quests, gamification and presents for collecting bonuses, RedCore talks club for movie and book lovers, board games cozy evenings, special office days dedicated to holidays;

🎳Company events, team buildings.

Trinetix is looking for a proactive and technically skilled Backbone Build Engineer.

Join our team and work with Arelion, one of the world's leading Tier-1 Internet providers, operating one of the largest and most reliable global IP backbone networks. With more than 30 years of experience and connectivity spanning over 100 countries, Arelion delivers mission-critical network services to telecom operators, hyperscalers, cloud providers, content platforms, and global enterprises.

This is a unique opportunity to contribute to the backbone infrastructure that powers the Internet while growing your career in an international, fast-paced engineering environment.

In this role, you will play a key part in delivering critical backbone infrastructure projects, including data center migrations, fiber deployments, and capacity upgrades. Working within a fast-paced, multivendor ecosystem, you will manage supplier relationships and help ensure the timely and successful delivery of services. 

Core Responsibilities 

• Lead and execute data center and customer circuit migrations. 
• Coordinate with third-party providers to install new fiber and deliver services (e.g., tails, cross-connects). 
• Work closely with field technicians to verify fiber patching and physical connectivity. 
• Validate fiber connections and troubleshoot issues related to DWDM backbone link onboarding. 
• Manage escalations and drive resolution for high-impact infrastructure issues. 
• Ensure timely and quality delivery of backbone orders by staying on top of supplier commitments. 
• Perform network configuration and troubleshooting using CLI across various network operating systems (Cisco IOS, Junos, Arista EOS). 

Requirements 

• Solid experience in network infrastructure projects, especially data center migrations and fiber installations. 
• Hands-on experience with CLI in a multivendor environment (Cisco IOS, Junos, Arista EOS). 
• Familiarity with DWDM systems for verification and troubleshooting of fiber connectivity. 
• Proven ability to manage suppliers and coordinate service delivery (e.g., fiber, tails, cross-connects). 
• Strong understanding of network protocols and configurations. 
• Excellent problem-solving skills and ability to work under pressure. 
• Effective communication and coordination skills across internal teams and external partners. 

Nice-to-haves 

• Certifications such as CCNA or equivalent (not mandatory but appreciated). 
• Experience with other network technologies and equipment. 
• Familiarity with project management tools and methodologies. 

What we offer

• Continuous learning and career growth opportunities 
• Professional training and English language classes   
• Flexible working hours 
• Inclusive and supportive culture 

We are looking for an experienced and highly motivated Product Manager to join our team. You will play a crucial role in shaping the direction and success of our products by identifying the needs of our target audience and developing innovative solutions to meet those needs.

HOW YOU WILL MAKE AN IMPACT:

Develop and own product vision and strategy aligned with business objectives.
Create and maintain a comprehensive product roadmap with clear prioritization, milestones, and delivery timelines.
Lead end-to-end brand and product launches from concept to go-live, ensuring smooth market entry and operational readiness.
Coordinate cross-functional teams including development, design, marketing, retention, and customer support; define tasks, review deliverables, and control deadlines.
Monitor and ensure high product quality across all user touchpoints, collaborating with related teams to deliver an excellent user experience.
Conduct market and competitor research, analyze player behavior and needs, and collect feedback from customer support to define product requirements.
Design, configure, and manage bonus mechanics and loyalty programs aimed at increasing retention and player lifetime value (LTV).
Track and analyze product performance metrics, assess feature effectiveness, and drive continuous improvements using data-driven insights.
Monitor competitors’ products, unique selling propositions (USPs), bonus strategies, and features to identify market opportunities and maintain competitive advantage.
Use CMS platforms for content management, product configuration, and operational updates to ensure smooth platform functionality.
Manage the full product lifecycle from ideation through launch and ongoing support, including resource planning, risk management, and timely delivery.

WHAT WILL HELP YOU SUCCEED IN THE ROLE:

At least 3 years of experience in product gambling companies;
English at the intermediate level and above;
Experience with online casino platforms;
Understanding the regulation of markets and peculiarities of licenses will be a plus;
Deep understanding of casino products, product metrics, bonus systems, and loyalty programs;
Experience in creating tournaments and promotional companies.

HOW WE WILL KEEP YOU SMILING:

Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
Unlimited vacation days and paid sick leave—because your rest matters.
A competitive compensation that truly reflects your skills and expertise.
Employee referral bonus and gifts to celebrate your special occasions.
50% financial support for learning expenses to supercharge your professional growth!
A positive atmosphere where you always feel respected and truly belong.
Inspirational team-building activities that turn colleagues into best friends.
Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
Co-working space reimbursement to save your nerves from always working from home :)

Who we are:

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries.

About the Product:

Our client develops a large-scale mission-critical digital platform for enterprise logistics and e-commerce fulfillment. It orchestrates dispatch, routing, and real-time tracking across multiple fleet types (owned, third-party, crowdsourced, autonomous) and integrates with upstream order and supply systems. 

The platform processes millions of transactions annually for global brands and leverages modern cloud technologies, distributed systems, and AI-driven decision-making to ensure high performance, scalability, and reliability.

About the Role:

As an Application Support Engineer, you will be responsible for investigating and resolving technical and product-related issues for enterprise international customers, owning case resolution from initial report through root cause analysis and functional validation.

You’ll collaborate with Customer Success, Product Specialists, and Engineering teams to troubleshoot incidents in web and mobile applications, REST APIs, and backend services, perform root cause analysis and continuously improve platform reliability within a fast-paced production environment.

This role offers ownership of incident management processes, opportunities to improve support workflows, and direct impact on product stability and customer satisfaction.
You will operate within a shift-based schedule (including nights and weekends) across a fully remote setup.

Key Responsibilities:

• Respond to and resolve L2/L3 application support requests from enterprise customers via ticketing system.
• Perform deep investigations and root cause analysis using SQL queries, log files, and debugging tools.
• Validate reported issues through functional testing and confirm fixes across web and mobile platforms.
• Manage incident lifecycle: prioritize cases, coordinate communications, and escalate critical bugs to R&D.
• Provide clear, timely updates and technical guidance to both technical and non-technical end users.
• Monitor customer usage and system performance to proactively identify and address potential issues.
• Assist in onboarding customers by explaining configuration options and relevant product features.
• Document troubleshooting steps, known issues, and best practices for internal knowledge bases and customer-facing materials.
• Contribute to continuous improvement of support processes, tools, and training programs.
• Operate on a rotating shift schedule, covering nights and weekends as part of a support team.

Required Competence and Skills:

• Minimum 3 years of L2 or L3 application support experience in a high-availability environment.
• Intermediate proficiency in SQL for querying relational databases and analyzing data issues.
• Hands-on experience debugging and integrating with RESTful APIs, including request/response analysis.
• Technical support experience with both web and mobile platforms in enterprise software contexts.
• Strong English communication skills, both written and verbal, for customer-facing interactions.
• Ability to work effectively under pressure and manage multiple concurrent priorities.
• Fully remote location within Ukraine, with reliable internet, backup power, and ability to work shifts.

Nice to Have:

• Bachelor’s degree in Computer Science, Engineering, or a related technical field.

ZentixSoft is looking for a Senior Laravel / Vue.js Engineer 🐘⚡

Note: This is a Full-Time Outstaffing role for a 6-month fixed-term engagement (supporting a product stream while the Lead Developer is on parental leave). 

You will work autonomously alongside a strong engineering team, contributing directly to an Active Diagnostics platform for social housing repair workflows.
 

💡 Why ZentixSoft? 
💸 Salary Review: A structured system of compensation reviews aligned with your engineering growth. 
⚖️ Work-Life Balance: Sustainable workflows with no senseless overtime, helping you keep your resource fully charged. 
🦾 Trust and Transparency: Zero micromanagement and no invasive time-trackers—we fully trust your professional autonomy. 
🎁 Gifts & Culture: Corporate gifts for holidays, birthdays, and a true team atmosphere where your voice always matters.
 

If you are a self-sufficient, proactive engineer who leverage AI tools daily, here is what our perfect match looks like:

1️⃣ Engineering Experience: 5+ years of commercial experience with PHP & Laravel, plus 1+ year of hands-on experience with Vue.js (in recent projects). 
2️⃣ Tech Stack & Quality: Experience with PHPStan, PHPUnit, Docker, AWS, and Kubernetes environments. 
3️⃣ AI-Assisted Development: Proficiency and daily usage of AI tools to accelerate coding, debugging, and feature implementation. 
4️⃣ Location (Must-Have): Candidate MUST be physically located in a GDPR-compliant country (corporate hardware will be delivered directly to you). 
5️⃣ Communication & Soft Skills: English level B2+ or higher with strong proactive communication skills for daily Agile syncs.

Project Details: 
📍 Location: GDPR-compliant countries ONLY (EU/EEA). 
⏳ Duration: 6-month fixed contract (Full-time). 
🚀 Start: Immediate (must start before September).

Please share your CV, current location, and earliest availability.

A growing international company is scaling its recruitment function and looking for a Team Lead to take full ownership of hiring and lead a small recruitment team. You'll work closely with hiring managers, drive the process end-to-end, and help shape how recruitment runs as the company expands.
 

What you'll do

• Own the full-cycle recruitment process
• Lead, mentor, and grow the recruitment team
• Recruit hands-on, including senior and executive roles
• Track and improve hiring through metrics and analytics
• Maintain a strong, ready talent pipeline
• Run market research: salary benchmarks, competitor analysis, EVP
• Plan and manage the hiring budget
• Partner with managers and keep candidate experience high
   

What we're looking for

• Proven experience as a Team Lead / Head of Recruitment managing a team
• Background hiring for performance-marketing / media-buying teams
• Hands-on experience recruiting media buyers
• 5+ years in recruitment overall
• Confident with reporting, metrics, and process optimization
• Skilled at sourcing beyond LinkedIn and job boards (alternative channels)
   

Skills we value

• Strong ownership and a data-driven mindset
• Systems thinking, autonomy, proactivity
• Great communication and negotiation
• Leadership: mentoring and motivating a team
• English B2+ (interviews conducted in English)

Are you passionate about building scalable products that contribute to innovation in healthcare and life sciences? We are looking for a Senior Full Stack Software Developer to join a long-term remote project focused on scientific computing, AI-powered workflows, and cloud-native engineering.

You will become part of a distributed European team developing a modern platform that helps pharmaceutical companies and researchers accelerate medicine development and improve analytical and regulatory processes. The role combines complex Back-end challenges, modern Front-end development, and opportunities to work with AI-driven features and distributed systems.

We at Sigma Software value engineering excellence, collaboration, and continuous learning. Joining our team means working with modern technologies, contributing to meaningful products, and having the freedom to influence technical decisions in a supportive professional environment.

CUSTOMER

Our Customer is a Europe-based company operating in the pharmaceutical and life sciences domain. The company is developing advanced digital solutions that support pharmaceutical organizations and researchers in managing and analyzing mathematical and computational models used in medicine development and research workflows.

PROJECT

The project focuses on building a cloud-native platform that combines scientific computing, data analysis, and AI-powered workflows. The solution enables users to upload, store, visualize, and analyze complex computational models while supporting technical and regulatory processes within the pharmaceutical industry.

The platform leverages modern distributed architecture and provides engineers with opportunities to work on AI-powered features, event-driven systems, scalable APIs, and cloud-native services.

Responsibilities

• Develop and maintain modern Full Stack web applications with a strong focus on Back-end architecture and scalability
• Design and implement AI-powered features and intelligent workflows
• Build and operate reliable, secure, and scalable cloud-native services
• Collaborate with product managers, UX designers, architects, and engineering teams
• Participate in architecture discussions and technical decision-making
• Develop and maintain RESTful APIs and service-to-service communication
• Implement microservices and event-driven architecture patterns
• Ensure application reliability, observability, security, and performance
• Contribute to CI/CD processes and engineering best practices
• Promote engineering excellence and AI adoption within development teams

Requirements

• At least 5+ years of commercial experience in software development 
• Strong proficiency in JavaScript and TypeScript
• Hands-on experience with React and Next.js in production environments
• Strong experience with NestJS and scalable API design
• Commercial experience with Go OR strong experience with Python ecosystem technologies
• Experience with FastAPI, SQLAlchemy, pandas, numpy, and related Python tooling
• Solid understanding of microservices architecture and event-driven systems
• Experience with PostgreSQL and ORM tools such as Prisma
• Practical experience with Docker and Kubernetes
• Experience with NATS.io or similar messaging technologies
• Experience integrating IAM/SSO solutions such as Keycloak
• Strong understanding of RESTful APIs and distributed systems
• Knowledge of application security best practices
• Experience working with CI/CD pipelines and Git
• Strong analytical and problem-solving skills
• Ability to work independently and collaborate effectively in cross-functional teams
• Upper-Intermediate or higher level of English

Will be a plus

• Experience in pharmaceutical, biotech, healthcare, or scientific research domains
• Experience working with computational or mathematical modeling platforms
• Familiarity with AI/ML integrations in enterprise applications
• Experience with regulatory or compliance-driven systems
• Experience with scientific or analytical data visualization
• Familiarity with R for research or analytical purposes

Who we are: 
Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries.

About the Product:

The product is an advanced monitoring and analytics platform designed for complex hardware systems. It collects data from embedded components and applies large-scale analytics and machine learning to provide visibility into performance, quality, and reliability across the full lifecycle — from development and production to real-world operation.

The platform helps customers detect potential failures earlier, optimize system performance, and improve overall product quality. It operates in complex technical environments and is supported by distributed systems, CI/CD processes, infrastructure automation, and monitoring tools.
 

About the Role:

As a Senior C++ Software Engineer, you will join a core product team and take ownership of cross-platform, multi-architecture C++ modules used in advanced data processing and analytics systems.

You will be part of a small and independent team that owns a customer-facing product end to end. The role combines hands-on C++ development, system design, performance optimization, CI/CD automation, and integration with customer environments.

You will work closely with software engineers, hardware specialists, algorithm developers, and product stakeholders, contributing to both technical implementation and product evolution.
 

Key Responsibilities:

• Design and develop cross-platform C++ software for Linux and Windows environments.
• Build and maintain interfaces and language bindings using Python, Java, and C#.
• Participate in the full software development lifecycle: design, implementation, integration, testing, deployment, and maintenance.
• Work with build systems and CI/CD pipelines using CMake, Bash, Docker, and GitHub Actions.
• Optimize performance, memory usage, and responsiveness of host-based and edge systems.
• Review code, maintain coding standards, and contribute to technical documentation.
• Collaborate with distributed engineering teams and support customer integrations.
• Troubleshoot technical issues in lab, production, and customer environments.
• Create and maintain design documentation, test plans, and implementation specifications.
• Implement and validate complex algorithms developed by in-house algorithm teams.
   

Required Skills and Experience:

• 7+ years of hands-on experience in production-grade C++ development using C++11/14/17.
• Experience developing software for both embedded and host-based systems.
• Strong experience with build systems, automation, and CI/CD tools such as CMake, Bash, Docker, and GitHub Actions.
• Solid understanding of data structures, algorithms, version control, performance optimization, and testing methodologies.
• Experience building cross-platform software for Windows and Linux.
• Strong focus on code quality, clean conventions, documentation, and maintainability.
• Good communication skills and the ability to collaborate with distributed teams and customers.
• Strong written and spoken English.
• Bachelor’s degree in Electrical Engineering, Computer Engineering, Software Engineering, Mathematics, Computer Science, or a related field.
   

Nice to Have:

• Experience with Python, Java, or C# for application integration.
• Familiarity with SQLite3 for embedded or application-level database use.
• Experience with SWIG for generating C++ bindings for higher-level languages.
• Hands-on experience with post-silicon testing or automated test equipment such as Advantest or Teradyne.
   

Why Join Us:

• 20 working days of vacation per calendar year, plus official public holidays in your country of residence.
• Full accounting and legal support in the countries where we operate.
• Fully remote work model.
• Powerful workstation and access to a co-working space if needed.
• Competitive compensation package with annual performance and salary reviews.

Who We Are

Adaptiq is a technology hub that builds, scales, and supports R&D teams for innovative, fast-growing product companies across various industries.
 

About the Product

Our client is a product-focused technology company building a cloud-native platform that helps organizations create, integrate, and operate secure applications powered by blockchain and distributed ledger technologies.

The platform includes scalable backend services, APIs, and infrastructure components designed for high-load, production-grade environments. The engineering team develops resilient distributed systems and blockchain-based services, solving complex challenges around scalability, availability, performance, and security.

You will work closely with product, platform, infrastructure, and security teams to deliver reliable software used in business-critical environments.

About the Role

We are looking for a Senior Backend Engineer to develop and maintain scalable backend services for blockchain-based applications and distributed systems.

You will work with microservices, APIs, asynchronous communication, event-driven architectures, and integrations with multiple blockchain ecosystems. The role provides full ownership of backend components, from technical design and implementation to deployment, monitoring, and further optimization.
 

Key Responsibilities

- Design and implement scalable backend services for blockchain-enabled applications and distributed systems.
- Develop and support APIs, microservices, and core platform components throughout the full software development lifecycle.
- Build integrations with blockchain networks, external infrastructure, and third-party platforms.
- Research and evaluate new blockchain technologies and architectural solutions.
- Improve the scalability, reliability, performance, and security of production systems.
- Collaborate with product, platform, infrastructure, and security teams to deliver production-ready solutions.
- Take full ownership of features, from initial design to deployment and continuous improvement.
 

Required Skills and Experience

- 7+ years of professional experience in backend software development.
- Strong commercial experience with Node.js and TypeScript.
- Proven experience designing scalable backend services, APIs, and production-grade microservices.
- Solid knowledge of distributed systems, asynchronous communication, and event-driven architectures.
- Commercial experience working with several blockchain ecosystems, including both EVM-compatible and non-EVM networks.
- Good understanding of blockchain principles, transaction processing, smart contracts, and decentralized architectures.
- Strong knowledge of secure software design and reliable production system development.
- Practical experience using AI-assisted engineering tools such as Claude Code, Cursor, GitHub Copilot, or similar.
- Bachelor’s degree in Computer Science or a related technical discipline, or equivalent practical experience.
- Demonstrated ability to deliver software from technical design through production deployment.

Nice to Have

- Experience developing products within high-scale distributed platforms, fintech, or cloud-native environments.
- Familiarity with cloud infrastructure, containerization, and Kubernetes.

Why Join Us

- 20 paid vacation days per calendar year, in addition to the official public holidays of your country of residence.
- Full accounting and legal support in all countries where we operate.
- Fully remote work, including a powerful workstation and access to a co-working space when needed.
- Competitive compensation with annual performance and salary reviews.
 

SBC Performanceis a digital marketing and ad-tech ecosystem partnering with the world’s top ad platforms to drive performance. We help brands scale globally through high-converting creative marketing solutions and smart campaign optimization. We hold leading positions on TikTok, Meta, and Google.

Our team consists of over 200 specialists across the Czech Republic, Poland, and other countries. We build a dynamic culture driven by speed, analytics, and results.

We’re currently looking for a strong Senior User Acquisition Manager to scale paid acquisition and drive business growth through data-driven decisions.
 

Key Responsibilities

• Be responsible for the entire marketing analytics cycle—from raw data to decision-making.
• Build and scale data flows for effective marketing across all paid channels.
• Be responsible for marketing dashboards with detailed breakdowns by ad creatives and traffic sources to track and optimize LTV, CAC, ROAS, and conversions in the sales funnel.
• Develop and automate LTV models, cohort analysis, and revenue attribution across all channels.
• Work closely with the marketing team to optimize budget allocation, scaling strategies, and channel performance.
• Support and evaluate marketing experiments (creatives, funnels, audiences, A/B tests).
• Ensure accurate attribution and data consistency across all marketing and product touchpoints.
   

Requirements

• 3+ years of experience with META Ads for B2C SaaS products (hands-on experience with Google Ads and TikTok Ads is a plus).
• A proven track record of managing advertising budgets (starting at $500,000/month).
• You seek to validate hypotheses with data and always track metrics for campaigns.
• You value a non-standard approach, especially when it comes to testing and interesting case studies.
• Initiative and a desire to quickly grow into a people manager role;
• intermediate English (B1+).
   

Nice to have

• Experience with apps, W2A/W2W.
   

What We Offer

• Remote work
• Competitive compensation
• Flexible working hours (start between 9:00–11:00 CET)
• All necessary equipment
• Paid vacation and sick leave
• Educational support: reimbursement for certifications, courses, and training
• Company events and internal knowledge-sharing activities
• Transparent communication and an open feedback culture.

N-iX is seeking a Senior Python Software Developer in the AI Services to join our team.
 

About the project: Our client is an established market leader who has been processing over 18 million vehicle claims per year since 2002, with more than 1,000 employees worldwide. They combine AI-based processes and the latest technologies with the knowledge of our automotive experts.
 

Responsibilities:

• Design and implement software solutions in Python in the field of artificial intelligence and machine learning.
• Conceptualize and test scalable applications and services that meet the requirements of our customers.
• Work closely with Data Scientists and other Developers to seamlessly integrate AI models into existing systems.
• Analyze and optimize the performance of AI-Applications to maximize their efficiency and effectiveness.
• Apply your expertise and contribute to the continuous development and improvement of our development processes and methods.

Requirements:

• Qualification: A degree in IT, physics, mathematics, or a related field, preferably complemented by a computer science degree, as well as three or more years of experience in development with Python.
• Experience & Know-how: Solid backend experience, hands-on knowledge of FastAPI and core Python, as well as a basic understanding of machine learning and SQL.
• Personality & Working method: Excellent analytical abilities and problem-solving skills, able to work independently and stay well-organized, good team player.
• Technical skills: Experience with Python (NumPy, OpenCV, FastAPI) and AWS ML services, DevOps (GitLab CI/CD, Docker, Kubernetes, NVIDIA Triton), and backend development (REST API, OpenAPI, Swagger).
• Language: Fluent in written and spoken English.

Nice-to-have: 

• Experience in AI frameworks, LLM frameworks such as Haystack/LangChain, and PyTorch.

Our customer is reinventing credit to make it more honest and customer-friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.

As a Lead Python Engineer, you will be part of a team that develops solutions responsible for managing critical services essential to the success and sustainability of the organization. In simple terms, the team builds and supports the systems that deliver transactional communications to customers via email, SMS, and push notifications. These services require strong attention to detail, proactive maintenance, and quick response times to ensure reliable and seamless operations.

Requirements:

· You have 5+ years of experience designing, developing and launching backend systems at scale using Python; Kotlin - must-have. 

· You have a track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes. 

· You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design. You write high quality code that is easily understood and used by others. 

· You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely. 

· You have strong verbal and written communication skills that support effective collaboration with our global engineering team.