Jobs at Djinni

Description

Inviting Junior Test Automation Engineer to join a growing account in the medical devices industry domain. Our client is the global leader company of healthcare solutions, which contributes to human welfare by application of biomedical engineering in the research, design, manufacture, and sale of instruments or appliances that alleviate pain, restore health and extend life for people around the world.

Our team is focusing on:

• automated testing of software for a medical device – continuous glucose monitor subsystem based on Bluetooth Low Energy;
• manual testing of desktop applications (50%)

Preferable location – Lviv (with possibility to visit office from time to time)

Requirements

Must have:

• At least 2 years of experience in software testing
• At least 1 year of automated testing experience with automation tools/frameworks or equivalent experience in development
• Experience in Test Design implementation
• Good knowledge and/or experience in JS (preferably) or Python
• Good understanding of the testing methodology and test automation approaches
• Intermediate written/spoken English

Will be a plus:

• Knowledge BLE communication protocol
• Experience in Embedded Software Testing
•  

Job responsibilities

• Functional testing
• Automated test script development
• Manual test case execution
• Test designs creation
• Issue verification
• Requirements analysis
• Test coverage analysis

What we offer

Culture of caring. At GlobalLogic, we prioritize a culture of caring. Across every region and department, at every level, we consistently put people first. From day one, you’ll experience an inclusive culture of acceptance and belonging, where you’ll have the chance to build meaningful connections with collaborative teammates, supportive managers, and compassionate leaders. 

Learning and development. We are committed to your continuous learning and development. You’ll learn and grow daily in an environment with many opportunities to try new things, sharpen your skills, and advance your career at GlobalLogic. With our Career Navigator tool as just one example, GlobalLogic offers a rich array of programs, training curricula, and hands-on opportunities to grow personally and professionally.

Interesting & meaningful work. GlobalLogic is known for engineering impact for and with clients around the world. As part of our team, you’ll have the chance to work on projects that matter. Each is a unique opportunity to engage your curiosity and creative problem-solving skills as you help clients reimagine what’s possible and bring new solutions to market. In the process, you’ll have the privilege of working on some of the most cutting-edge and impactful solutions shaping the world today.

Balance and flexibility. We believe in the importance of balance and flexibility. With many functional career areas, roles, and work arrangements, you can explore ways of achieving the perfect balance between your work and life. Your life extends beyond the office, and we always do our best to help you integrate and balance the best of work and life, having fun along the way!

High-trust organization. We are a high-trust organization where integrity is key. By joining GlobalLogic, you’re placing your trust in a safe, reliable, and ethical global company. Integrity and trust are a cornerstone of our value proposition to our employees and clients. You will find truthfulness, candor, and integrity in everything we do.

About the Product:

We power a proprietary, machine-learning-driven platform for programmatic user acquisition and retargeting in the mobile app space. The system processes tens of terabytes of raw data each day and generates millions of ad recommendations in real time. It handles millions of requests per second, delivering low-latency, high-throughput services that directly impact client growth and revenue.

About the Role:

As Full Stack Team Lead, you will own the design, implementation and maintenance of our core real-time ad-serving infrastructure. You will rally a globally distributed team of four engineers behind a shared vision, drive technical direction and ensure high performance, availability and security. This role demands a hands-on leader who spends roughly half their time coding, reviewing designs and guiding end-to-end project delivery, and half their time on team management, sprint planning and stakeholder collaboration.

Key Responsibilities:

• Design, implement and operate large-scale, highly available, real-time (low-latency) services using Node.js, TypeScript, React, Redis and Kubernetes on AWS.
• Lead and mentor a team of four distributed engineers; conduct code reviews, design reviews and knowledge-sharing sessions.
• Collaborate with executives, product managers, data scientists and designers to translate requirements into technical solutions.
• Design, develop and integrate RESTful APIs and third-party services.
• Plan, groom and manage agile sprint cycles; track progress and adjust priorities to meet delivery goals.
• Define and enforce security best practices and data protection policies across services.
• Manage team operations including onboarding, offboarding, performance reviews and hiring support.

Required Competence and Skills:

• 6+ years of professional experience in backend (Node.js preferred) and frontend development (React, Vue or Angular).
• 2+ years in a people-management or team-lead role, with direct experience conducting one-on-ones and performance reviews.
• Proficiency with SQL and NoSQL databases in production environments.
• Experience deploying and operating services on a major cloud platform (AWS, Google Cloud or Azure).
• Deep understanding of the software development lifecycle and agile methodologies.
• Strong problem-solving skills, self-sufficiency and a proactive “can-do” attitude.
• Fluent English communication skills, both written and verbal.

Nice to Have:

• Experience coordinating with offshore development teams.
• Background in web-based SaaS platforms.
• Exposure to large-scale data processing or Big Data technologies.
• Hands-on familiarity with Kubernetes at production scale.

Why Us:

We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in).

We provide full accounting and legal support in all countries we operate.

We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

We offer a highly competitive package with yearly performance and compensation reviews.

About the Project
We are building a system that integrates multiple databases and external APIs, aggregates information from various sources, and builds a real-time knowledge graph to track complex relationships between entities.

Key Requirement
‼️ Hands-on experience with graph databases (minimum 6 months) is mandatory.
We will only consider candidates with practical experience in data modeling and writing queries for graph databases.

Tech stack: Python, FastAPI, SQL, NoSQL, graph, Docker, Docker Compose.

Required Skills
— 3+ years of commercial experience as a Backend Python Developer
— Hands-on experience with graph-structured data (minimum 6 months)
— Strong knowledge of SQL and NoSQL databases
— Good understanding of AWS and cloud-based architectures
— Fluent English
— Degree in Computer Science, Mathematics, or related field

Responsibilities
— Design, develop, and maintain backend services in Python
— Build, optimize, and scale cloud-based graph databases
— Model complex relationships using graph data structures (nodes, edges, properties)
— Integrate graph databases with other data storage solutions (SQL / NoSQL)
— Design, plan, and implement proof-of-concept solutions involving graph technology
— Optimize and troubleshoot graph queries
— Provide best practice recommendations for graph database design and integration
— Collaborate with cross-functional teams and present technical solutions to stakeholders

BETER is a rapidly growing product company. We create competitive content supplemented with analytics. For more than 5 years, we have been organizing sports tournaments, broadcasts, and developing our own sports community. We hold 45+ thousand events per month in esports and classic sports. BETER products are known all over the world - our content is represented in 150+ countries.
Our current partners are the world’s most famous trading giants.

Now we are looking for an HR Business Partner to drive and implement the people strategy in close collaboration with business leaders. If you enjoy partnering with managers, shaping organizational culture, supporting team growth, improving HR processes, and acting as a trusted advisor, then this position is for you.

Responsibilities:

• Partner closely with business leaders to support effective people management aligned with business goals.
• Act as a trusted advisor to leaders on people, organizational, and leadership topics.
• Develop a strong understanding of the business and translate its needs into practical HR solutions.
• Support organizational design, workforce planning, staffing, and succession planning.
• Drive talent management activities, including onboarding of key and leadership hires.
• Support and develop key talent to ensure continuity in critical roles.
• Lead employee engagement, retention, and recognition initiatives.
• Facilitate feedback, engagement, and organizational health initiatives.
• Handle complex employee relations cases and support leaders in challenging situations.
• Analyze people data and provide insights to support decision-making.

Requirements:

• 5+ years of experience in HR Business Partner, People Partner, or similar roles in mid-size or large organizations.
• Experience working closely with business leaders and supporting them on people and organizational topics.
• Practical, hands-on knowledge of core HR areas, including employee relations, performance, talent, and retention.
• Ability to understand business context and translate business needs into practical people solutions.
• Experience handling sensitive employee relations cases with professionalism and sound judgment.
• Strong communication and stakeholder management skills.
• Comfortable working with people data to identify trends, risks, and improvement opportunities.
• Ability to balance day-to-day HR support with longer-term people and organizational priorities.
• Upper-Intermediate (B2+) or higher English, written and spoken.

We offer:

• Flexible work schedule.
• Paid sick leave.
• 20 working days of paid vacation.
• Competitive and timely payment for services.
• Personal mentoring and coaching.
• Team building and corporate events.
• Paid child care leave.

NuxGame works with iGaming operators of all scales helping companies access new markets or enhance their existing brands. As a casino gaming software company, NuxGame provides solutions that allow building outstanding brands and fulfilling your business goals.We are looking for a DevOps Engineer to join our team.

Responsibilities:

• Design, build, and optimize high-load, highly available server-side platforms (Nginx, PHP-FPM, MySQL, Redis, message queues).
• Architect and maintain Kubernetes-based platforms and containerized workloads (Docker, Helm, GitOps).

• Design and operate secure network infrastructure:

  - firewalls (iptables, UFW, security groups, NACLs)

  - reverse proxies and L7/L4 load balancers

• Implement DDoS protection and WAF strategies (Cloudflare, rate-limiting, bot protection).

• Build and maintain observability stack:

   – metrics (VictoriaMetrics, Prometheus)

   – APM (New Relic, OpenTelemetry)

   – centralized logging and alerting

• Design, implement and continuously improve CI/CD pipelines (Jenkins, GitHub Actions).
• Automate infrastructure and platform lifecycle using IaC and configuration management.
• Participate in architecture design, reliability engineering and capacity planning.

• Ensure security, compliance and audit readiness (PCI DSS, secrets management, access control).

   

Experience:

• Strong hands-on Linux expertise (Debian, Ubuntu, systemd, networking, performance tuning).

• Deep experience with AWS:

   – compute (EC2, ASG, EKS)

   – networking (VPC, LB, peering)

   – managed databases (RDS Aurora)

   – messaging (SQS, Kafka).

• Strong database operations knowledge: MySQL HA, replication, backup.
• Production experience with Kubernetes (cluster architecture, HA, upgrades, disaster recovery).
• Advanced CI/CD experience: Jenkins, GitHub Actions, GitOps practices.
• Strong Cloudflare expertise: DNS, CDN, WAF, DDoS protection.
• Infrastructure as Code: Terraform (mandatory), Ansible (configuration and automation).
• Scripting and automation in Bash and Python.
• Solid understanding of networking and security fundamentals (TLS, IAM, VPN, firewalling, zero-trust).

• Experience working in regulated environments or with security standards (PCI DSS is a plus).t

   

What We Offer:
 

We believe that a happy team builds the best products. Here is how we support you:

• Remote & Flexible: Work from anywhere. Our core hours are 09:00/10:00 to 17:00/18:00 (Kyiv time), Mon-Fri.
• Financial Stability: Timely payment for compensation for services
• Personal Equipment Policy: equipment are provided for use to ensure comfortable and efficient work.
• Knowledge Sharing: We regularly gather to discuss new trends, share insights, and elevate one another.
• Community: At NuxGame, you will work in a team of like-minded people who are ready to support, inspire, and tackle complex challenges together.
• Creative Freedom: We encourage initiative. With us, you have the freedom of professional expression and the space to implement your ideas.
• Time-off Policy: 24 vacation days per year + 5 sick days (without medical confirmation).

• Atmosphere: A friendly environment focused on results and mutual respect, free from unnecessary bureaucracy and pressure.

   

We believe in unlocking the inner potential of each team member within an open and democratic culture.

Waiting for you on our team!

Corefy is a Ukrainian PayTech IT company founded in 2016. Our SaaS platform, proudly made in Ukraine, serves as a technological hub for orchestrating online payments.

Collaborating with renowned payment providers like Stripe, Google Pay, Apple Pay, MasterCard, Visa, AWS, and more, we’ve implemented over 600 different payment methods and cater to clients worldwide.

We are currently looking for an Account Executive who will help scale our sales and attract new clients in international markets.

🎯What is important for us:

• 3+ years of experience in B2B SaaS sales.
• Experience working with mid-market or enterprise clients.
• Experience managing complex B2B deals with multiple stakeholders.
• Strong negotiation and consultative selling skills.
• Proactive mindset, independence, and strong ownership of results.
• Basic understanding of the payments ecosystem (PSP, acquiring, routing, payment methods).
• Upper-Intermediate / Advanced English for communication with international clients.
• Willingness to attend international conferences and industry events.

✨ Bonus points if you:

• Experience in the fintech or payments industry.
• Experience with tactical outbound or self-generated pipeline.
• Experience selling API, infrastructure, or white-label products.
   

💼 What you’ll do:

• Acquire new clients and convert leads into closed deals.
• Conduct discovery calls and analyze clients business models to understand their payment needs.
• Present Corefy solutions and demonstrate the value of payment orchestration.
• Lead commercial negotiations and close deals with international clients.
• Prepare commercial proposals, presentations, and other client-facing materials.
• Conduct online meetings, product demos, and sales presentations.
• Manage the sales pipeline in CRM and track deal progress.
• Achieve defined KPI and revenue targets.
• Collaborate with marketing, product, and partnership teams to grow sales.

🎯 Goals of the Account Executive at Corefy:

• Acquire new clients and expand Corefy’s client base in international markets
• Build a strong and predictable sales pipeline and manage deals throughout the entire sales cycle.
• Close new deals and increase the company’s new MRR/ARR, helping clients optimize their payment infrastructure through Corefy solutions.
   

Candidate Journey  -  HR Interview → Hiring Manager Interview → Final Interview

What we offer

🔹 Growth & Ownership

• Compensation in foreign currency + tax coverage.
• Opportunity to work with a global PayTech product.
• Collaboration with an experienced product and leadership team.
• Opportunity to influence the development of the company’s revenue direction.
• Access to Corefy Academy and external education compensation.

🔹 Culture that Energises

• Your decisions directly impact the product and clients worldwide.
• Space for initiative, new ideas, and professional growth.
• Open communication with management and the team.
• Team events and celebrations of important achievements.

🔹 Comfortable working conditions

• 8-hour working day,  in-office or remote.
• 20 vacation days and 10 sick days.
• Flexible working hours and days off for major public holidays.
• Access to psychological consultation.
• Breakfasts in the office for a great start to the day.
• Equipment of your choice — MacBook or Linux laptop.
  
   

Ready to shape the future of payments with us? Send your CV — we can’t wait to meet you! 📩

Full-Stack Developer (Node.js / Automation)

About BULLS MEDIA
BULLS MEDIA is a global leader in digital marketing, dedicated to simplifying decision-making and connecting customers with top-tier brands. Our cutting-edge technology empowers millions of consumers worldwide to make smarter and more confident purchasing decisions.

Our expertise lies in building high-performing review websites. We specialize in developing streamlined landing pages for our clients, ensuring seamless customer experiences while efficiently collecting and managing data through our proprietary tracking system.

We are looking for a developer (Junior+ / Middle level) who can work across web development, automation, and infrastructure. The role involves maintaining existing systems, building new automation flows, and working with modern AI-assisted workflows.

You should be comfortable understanding how web traffic flows from domain to application code and be ready to work with both modern and legacy components.

What You Will Do:

• Develop and maintain web applications using Node.js and HTML
• Build and maintain automation workflows in n8n
• Work with infrastructure components such as:
• Cloudflare
• Nginx
• Server environments
• Understand and debug traffic flow:
  domain → Cloudflare → server IP → nginx → application code
• Collaborate on building internal tools and integrations
• Work with APIs and automation services
• Participate in debugging production issues and improving reliability

What We Offer

• 21 days of paid leave per year
• 7 days of sick leave annually
• Health insurance
• English-speaking clubs
• Corporate events and team-building activities
• Long-term cooperation
• Annual performance review
• All necessary technical equipment provided
• Hybrid work format: 4 days in the office, 1 day fully remote

Required Experience to Succeed in This Role:

• Strong knowledge of HTML
• Experience working with Node.js
• Solid understanding of web networking fundamentals, including how traffic flows through the stack:
  domain → Cloudflare → server IP → nginx → application code
• Experience with n8n automation (required)
• Willingness to work with DevOps-related tasks, including basic server configuration and troubleshooting
• Ability to debug issues across infrastructure, server, and application layers
• English - intermediate (spoken and written).

Hiring Process

1. Initial interview
2. Test task
3. Interview with a manager
4. Final interview with CTO.

We're a US-based entertainment tech company in hyper-growth mode. Our mobile product has found strong product–market fit in North America, and now we're scaling aggressively.

We're looking for a world-class User Acquisition leader to help us grow from $500K to $10M+ in monthly ad spend — profitably.

We are looking for a hands-on Senior User Acquisition Manager to lead and scale paid acquisition across Meta, Snapchat, and TikTok. This role combines strategic ownership with operational execution: you will be responsible for building a scalable acquisition system, driving traffic and profitable growth, and shaping the creative and data-driven strategy for US and Canadian markets.
 

This is not just a managerial role — hands-on execution and the ability to optimize campaigns, budgets, and creative testing frameworks are key.
 

Responsibilities

• Own and scale acquisition campaigns on Meta Ads, Snapchat, and TikTok across the US & Canada.
• Build a systematic and repeatable acquisition engine, including funnels, audiences, and creative testing frameworks.
• Collaborate closely with the Creative Lead and design team.
• Analyze key metrics (LTV, CAC, ROAS, ROMI, ROI) and optimize campaigns for maximum profitability.
• Research competitors and implement best practices for campaign growth.
• Experiment with new channels, technologies, and hypotheses.
• Manage budgets efficiently and structure campaigns for scalable growth.
• Contribute to strategic improvements and growth initiatives within the UA department.
   

Requirements

Must-have

• 2+ years of experience in User Acquisition
• Proven experience running Meta Ads and other paid channels (Snapchat, TikTok).
• Strong track record working with US and Canadian markets.
• Demonstrated ability to scale campaigns profitably.
• Deep understanding of creative testing frameworks and performance optimization mechanics.
• Strong hands-on execution skills and data-driven decision-making.
• Intermediate English.
   

Nice-to-have

• Experience building or restructuring acquisition teams.
• Experience working in high-volume creative environments.
• Familiarity with sweepstakes or subscription-based products.
• Performance-driven mindset with strong accountability for results.
   

Why Join Us?

💰 Big budgets — $500K+/month with a clear path to scale to $10M+ monthly ad spend

📊 Strong analytics infrastructure — dashboards, attribution, and everything you need to make data-driven decisions

🎨 Established creative pipeline — dedicated Creative Lead and design team, no creative bottlenecks

🚀 High autonomy — own your results with direct access to founders and fast decision-making

📈 Real impact — your work directly drives company growth and market expansion

Required:

• Written and spoken English - (Intermediate or higher);

• Knowledge of Flutter/Dart;

• Understanding of OOP/SOLID principles;

• Comfortable with source version control software (Git);

• Understanding mobile development principles, design patterns and techniques.

Do not hesitate to apply if you miss any of the above experiences.

It will be a plus if you have:

• Knowledge of SQLite, Firebase services;

• Previous experience in Android, iOS application development;

• Proficiency with Android Studio or Xcode;

• University degree in computer science.

We are offering:

• Mentoring by Flutter technical lead;

• Paid internship with further employment;

• Work on interesting and complex projects with awesome clients;

• Engaging work environment that provides ample long-term career development opportunities for team members;

• Flexible working hours;

Responsibilities:

• Building, designing and maintaining mobile apps from scratch or adding new features in existing Flutter mobile applications;

• Ensuring the quality and performance of the application to meet the specifications;

• Fixing application bugs before the final release;

• Publishing applications on Google Play and Apple Store;

• Designing and implementing application updates.

We are looking for an experienced CRM / Retention Lead in the iGaming / betting / casino industry to take ownership of player retention strategy and drive LTV growth.

What you will do:

• Develop and implement retention strategies: reduce churn, increase loyalty and LTV.
• Optimize CRM: segmentation, personalization, and processes.
• Launch and scale retention initiatives: welcome/onboarding programs, loyalty programs, win-back campaigns.
• Conduct A/B testing of campaigns and analyze the effectiveness of bonuses, promotions, and communications.
• Manage all communication channels: email, push, SMS, messengers, in-app.
• Lead a team of retention managers and collaborate with cross-functional teams.

What we expect from you:

• 2+ years of experience in CRM / retention / database marketing.
• Experience in iGaming / betting / casino, launching and optimizing retention initiatives.
• Proficiency with CRM platforms, Google Analytics / Power BI, Excel, Jira / Confluence, ESP.
• Experience with bonuses, promotions, and analytics (NGR, ARPU, churn, LTV).
• English — Upper-Intermediate+ (working proficiency).

What we offer:

• Opportunity to impact key metrics: reduce churn, increase LTV and ARPU, boost repeat deposits.
• Lead projects for implementing a new CRM and developing retention analytics.
• Work with international markets (CIS, Africa, MENA).
• Build and manage a retention team and implement industry best practices.

If you are ready to drive company growth through player retention and lead a team of professionals, join us!

About the role

We are looking for an Embedded Engineer to join a Miltech / Defence project focused on building next-generation radio communication systems for UAVs.

You will work alongside an experienced team of engineers developing high-performance embedded solutions from the ground up. The role involves designing real-time software, integrating it with hardware platforms, and ensuring reliable communication systems used in demanding environments.
 

Location: Lviv office
 

Responsibilities

• Design and develop software for high-performance, real-time embedded systems
• Implement new functionality and enhance existing system capabilities
• Optimize embedded solutions for efficiency, stability, and reliability
• Integrate embedded software with target hardware platforms
• Collaborate closely with hardware and software engineering teams to deliver complete system solutions
• Troubleshoot and debug complex technical issues
   

Requirements and qualifications

• Bachelor’s degree in Electronics, Computer Science, or a related field
• 5+ years of experience as an Application or Software Engineer (or similar role)
• Strong C/C++ programming skills
• Hands-on experience developing software for bare-metal environments
• Solid understanding of modern microcontroller architectures and peripherals
• Practical experience working with SPI, I2C, and UART interfaces
• Strong debugging and troubleshooting skills
• Basic knowledge of electronics and ability to read circuit schematics
• English level B1 or higher
   

Nice to have

• Experience with cryptography and cybersecurity concepts
• Knowledge of network communication protocols (TCP/IP, UDP, RTP)
• Basic understanding of RF circuit design principles
• Familiarity with ARM assembly programming
   

What we offer

• Official employment according to Ukrainian labor law
• Military service deferment
• Modern working equipment (MacBook or other preferred hardware)
• Regular performance reviews supporting professional growth
• 24 working days of paid vacation annually
• Paid sick leave
• English language classes
• Compensation for educational and training programs
• Team buildings and corporate events in a friendly and collaborative environment
   

Why join us

This role offers a unique opportunity to work in a high-tech defence environment and develop innovative embedded solutions that shape the future of UAV communication systems.
 

Interested in learning more? Apply now — we’d love to connect and discuss the next steps.

Who We Are

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

About the Product

Our client is building a cloud-native AI governance platform designed to intercept and control sensitive AI interactions in real time.

The platform processes user prompts, model responses, coding-agent actions, and enterprise search activity across multiple interfaces. It applies access policies, transformations, and audit rules within milliseconds—without disrupting user experience.

As organizations adopt generative AI at scale, traditional access-control models are no longer sufficient. This product introduces a new security layer purpose-built for AI systems, ensuring knowledge boundaries are enforced while allowing innovation to move fast.

About the Role

We are looking for a Senior Full-Stack Engineer (Backend-oriented) to join a remote, product-focused team developing a real-time AI governance platform.

You will primarily work on backend development using Node.js / TypeScript, building services, APIs, and core platform features. You will also contribute to frontend development in React when needed to deliver features end-to-end.

This role is ideal for an engineer who wants to go deep in backend and system design, while still operating comfortably across the full stack in a fast-moving, highly technical environment. You will work closely with senior engineers, take ownership of features, and participate in architectural and design discussions.

Key Responsibilities

• Design, implement, and maintain backend services and APIs using Node.js / TypeScript
• Contribute to frontend functionality in React when required for feature completion
• Deliver features end-to-end: from requirements and design through development, testing, and deployment
• Write clean, maintainable, and well-tested code following best engineering practices
• Participate in code reviews and help improve team standards and processes
• Contribute to tooling, containerized environments, and CI/CD workflows
• Collaborate closely with product, engineering, and AI/security teams

• Support debugging, performance optimization, and reliability improvements

   

Required Competence and Skills

• 6+ years of professional software development experience
• 4+ years of hands-on experience with Node.js and JavaScript / TypeScript
• Working knowledge of React and modern frontend patterns
• Experience with relational databases (PostgreSQL or equivalent)
• Familiarity with cloud-native development and containerized environments
• Understanding of service-oriented architectures, APIs, and deployment workflows
• Strong communication skills and ability to collaborate in a distributed team
• Ability to self-organize, learn quickly, and adapt in a startup-like environment

• Excellent English, both written and spoken

   

Nice to Have

• Experience building CI/CD pipelines (GitHub Actions or similar)
• Experience with Python and/or Go
• Production experience with TypeScript-based Node.js services
• Exposure to LLM / AI-driven systems (LLM APIs, vector databases, orchestration tools)
• Experience integrating ML/AI models into production
• Background in B2B or security-focused products

• BSc in Computer Science or a related field

   

Why Us

• 20 paid vacation days per year + local public holidays
• Full accounting and legal support in all countries of operation
• Fully remote work model with a powerful workstation and optional co-working space
• Highly competitive compensation with regular performance and salary reviews

UAPP.AI  is an AI-focused product IT company founded in 2018 that specializes in creating, launching, and monetizing mobile applications and web products with over 10 million combined installs for global markets. 

We create our own products & apps — design, build, monetise, and scale them to millions of users worldwide.

Now we are looking for a Front-End Developer to join our team and work on the development&launching  of new subscription-based digital products. The role involves building interactive features, ensuring cross-browser compatibility, optimizing performance, and collaborating with backend teams.

Key Responsibilities

• Feature Development: develop, test, and ship secure UI components for subscription flows, including checkout pages, payment gateways and user account management.
• User experience (UX): ensure seamless, responsive, and accessible (WCAG compliant) interfaces across mobile and desktop devices.
• Optimization: improve conversion and retention rates through UI/UX refinements, code optimization, and performance improvements.

• Collaboration: Work with designers and product managers to translate wireframes into code, and collaborate with backend engineers to integrate API services.

   

Required Skills and Qualifications:

• Technical proficiencies: Strong expertise in JavaScript/TypeScript, HTML5, CSS3, and modern frameworks (like React).
• API Integration: Experience connecting front-end applications with RESTful APIs or GraphQL.
• Performance Optimization: Knowledge of frontend performance testing and optimization techniques.
• Experience: Proven track record of shipping production-level code, often requiring 2+ years of experience.
• Tools: Familiarity with testing frameworks (e.g., Jest, Cypress) and version control (Git).

We offer:

• Competitive salary
• Remote
• Opportunities for professional growth and development
• A dynamic and fast-growing team environment
• The ability to make a real impact on the product and see tangible results.

LineUp is a fast-growing IT outsourcing company with 13 years of experience. We are currently looking for a Middle Backend Develope to join a long-term product project.

You will become part of the Smart City ecosystem - a large-scale software product for the Middle East market. This is a fully agile, product-oriented environment with real users and a tangible impact on urban infrastructure.
 

Key Responsibilities:

• Develop and maintain robust backend applications using Node.js and NestJS in a monorepo and microservices environment.
• Embrace and operate within a T-shaped approach, being ready to extend expertise beyond backend tasks to ensure end-to-end delivery of features.
• Work with PostgreSQL (AWS RDS) and Redis to design, implement, and optimize database and caching solutions.
• Develop and maintain integrations with various AWS services including SQS, S3, Lambda, IAM, System Manager, EC2, and EKS/ECS for cloud-native applications.
• Contribute to containerization and deployment processes using Docker, including building images and pushing to registries, implementing and maintaining CI/CD pipelines using GitLab runners.
• Implement and configure monitoring and observability using Prometheus and Grafana to ensure system health and performance.
• Collaborate closely with stakeholders and other developers to understand business requirements, translate them into high-quality technical solutions that meet those needs.
• Troubleshoot and debug backend issues, optimizing code to enhance performance and maintainability.
• Participate in the agile development process, contributing to scram events, fostering a collaborative and cross-functional team environment.
• Stay current with the latest technologies and best practices, and promote continuous learning and self-development within the team. Mentor other team members, providing guidance and sharing your knowledge.

Qualifications:

• Minimum of 2 years of experience in backend development with a focus on Node.js, NestJS, and related technologies.
• Knowledge or experience in Frontend development (specifically Next.js) is a significant plus.
• Knowledge or experience with automated tests (integration, E2E) is a significant plus.
• Willingness and mindset to work in a T-shaped model, contributing to various stages of the development lifecycle.
• Familiarity with microservices architectures and monorepo environments.
• Experience with PostgreSQL (AWS RDS), Redis, and backend data management.
• Knowledge of AWS services including SQS, S3, Lambda, IAM, EC2, and EKS/ECS.
• Understanding of Docker and CI/CD pipelines, with some experience using GitLab runners.
• Familiarity with monitoring tools such as Prometheus and Grafana.
• Ability to document backend designs and processes clearly.
• Strong problem-solving skills and attention to detail, with a drive to create high-quality, performant code.
• Ability to work both independently and as part of a team in an agile environment.
• Good communication skills, with the ability to interact professionally with team members and stakeholders.
• English at Upper-Intermediate level and above.

What We Offer:

• Competitive salary.
• A collaborative and innovative work environment.
• Professional development opportunities.
• The chance to work on exciting and challenging projects.
• A supportive company culture.

We are starting a new team focused on lead generation and user acquisition for external B2B clients via Telecom-based and Digital marketing channels. To strengthen this direction, we are looking for a skilled Senior User Acquisition Manager to lead campaign strategy and execution, ensuring performance-driven growth for our clients.

Responsibilities:

•Plan, launch, and scale user acquisition campaigns with our proprietary Big Data tools and services

•Independently manage full-cycle campaigns: from strategy to execution and continuous optimization

•Analyze performance data to ensure strong ROI and effective budget allocation

•Develop, test, and optimize creative strategies, funnels, and messaging across channels

•Conduct market and competitor research to identify emerging trends and growth opportunities

•Optimize existing channels and test new ones to improve acquisition metrics

•Deliver consistent, positive results while maintaining cost-efficiency

Requirements:

•Proven track record in managing performance-based user acquisition campaigns (CPA model), particularly in e-commerce, banking or insurance verticals

•Solid understanding of conversion tracking, analytics, and campaign optimization techniques

•Experience with Telecom-based channels (SMS/Viber) driving traffic to digital destinations

•Hands-on expertise with Google Ads, Facebook Ads, and performance marketing tools

•Proficiency with BI tools such as Power BI, Tableau or Google Data Studio

•SQL knowledge is a plus

•Analytical mindset, self-starter attitude, and a strong focus on delivering profitable outcomes

•Ability to work autonomously and take full ownership of campaigns

We offer: 

•A unique opportunity to build a new business direction within Ukraine’s largest and most trusted mobile operator

•Remote work format with optional office visits

•Competitive salary and quarterly performance bonus

•Paid sick leave and vacation

•Flexible working hours

•Comprehensive medical and life insurance

•Opportunities for professional growth and career development

•Friendly, supportive, and collaborative team environment