Jobs at Djinni

• Develop and maintain mobile app responsive, high-performance user interfaces using React Native and JavaScript.
• Build reusable components and front-end libraries for future use.
• Translate UI/UX designs and wireframes into high-quality, pixel-perfect React code.
• Manage state and data flow using tools such as Redux, Context API, Zustand, or Recoil.
• Ensure applications are optimized for performance and scalability, with efficient rendering and minimal load times.
• Integrate RESTful APIs or GraphQL endpoints for dynamic, data-driven interfaces.
• Implement client-side routing with React Router or similar libraries.
• Maintain cross-browser and cross-device compatibility for all UI components.
• Follow component-driven development principles to ensure modularity and maintainability.

An international product company — a leader in the live-streaming industry — is looking for a Video / WebRTC Engineer in Warsaw.

The platform has over 450 million users and enables content creators worldwide to monetize their talents through live streaming. The team consists of 350+ professionals globally.

They offer:

• Stock options
• Medical insurance (100% for employees and 75% for family members)
• Office lunches
• Parking
• Multisport card

Requirements:

• Experience with WebRTC
• Experience with C++ or Rust

Location: Warsaw (office-based).

About us

At Octy, we’re dedicated to transforming startup ideas into successful businesses. With 8 years of experience, we’ve launched over 35 apps, raised more than $5M for our clients, and built two startups of our own. Our remote team of experts is here to develop, launch, and scale startups with tailored solutions across backend, frontend, and DevOps.

In addition to the base salary, there is a 10% commission per deal.

Required skills:

• Experience with LinkedIn, LinkedIn Sales Navigator, HubSpot and Twitter
• Excellent sales and negotiation skills, with a track record of meeting and exceeding sales targets.
• Knowledge of the IT market, industry trends, and competitor analysis.
• Outstanding communication and interpersonal skills to build strong relationships with clients and team members.
•  Strong problem-solving skills and the ability to present and pitch IT products effectively.
• Experience in IT and digital advertising
• Experience in data analysis and reporting
• Proven management experience or demonstrated willingness and ability to learn the basics of management
• Understanding software development lifecycle

Responsibilities:

• Develop and implement effective sales strategies to promote and sell IT products and services.
• Conduct product presentations and demonstrations to showcase the value and benefits of IT solutions.
• Manage the entire sales cycle, from initial contact to contract negotiations and deal closure.
• Stay updated with the latest IT industry trends, advancements, and product offerings to position the company as an industry leader.
• Monitor and analyze sales metrics and performance, implementing strategies to enhance sales effectiveness.

We offer:

• Young and friendly team
• Competitive salary
• Fully remote work
• Flexible schedule
• 4 calendar weeks of paid vacation
• 10 days of paid sick leave
• Corporate events and team buildings
• Corporate-funded training 

• Paid expos and conferences (online or offline)

   

Hiring process:

• HR interview (about 25 minutes)
• General interview (up to 1 hour)

Good luck! See you in our team!

Octy

We are looking for a Middle Frontend Developer with strong implementation skills and clear ownership of features. You will be responsible for delivering high-quality UI components while continuously growing your architectural understanding. The role involves active use of modern frontend practices, attention to detail, and product-oriented thinking.

Core Profile

• Experience: 3–6+ years frontend development on production web applications
• Education: BS in Computer Science, Software Engineering, or equivalent practical experience
   

Technology Stack (2025/2026)

• Languages: Solid JavaScript, practical TypeScript experience (strongly preferred)
• Frameworks: Proficiency in React 18+/19 (hooks, context, basic Server Components awareness); Vue 3 or Angular 17+ acceptable
• Meta-frameworks: Experience with Next.js (App Router), Remix, or similar; understanding of SSR/SSG concepts
• Build tools: Vite (preferred), Webpack; ESLint/Biome for linting; familiarity with modern bundling
• Testing: Vitest or Jest for unit tests, Testing Library, basic Playwright/Cypress E2E experience
• Styling: Tailwind CSS, modern CSS (Flexbox, Grid, responsive design), component libraries (shadcn/ui, MUI, etc.)
• APIs & state: REST/GraphQL integration, authentication flows, TanStack Query or similar data-fetching libraries
• Accessibility: Semantic HTML, ARIA basics, WCAG 2.2 awareness, keyboard navigation
   

Responsibilities

• Deliver end-to-end features: requirements analysis, UX discussions, implementation, testing, and production monitoring
• Write clean, maintainable, well-tested code; participate actively in code reviews
• Collaborate with designers and backend engineers for seamless integration and high-quality UX
• Own specific codebase areas: fix bugs, refactor, and improve performance and accessibility
• Use AI coding assistants (GitHub Copilot, Cursor) effectively to accelerate development
   

Growth & State-of-the-Art Expectations

• Learn advanced React patterns (Server Components, Suspense, streaming), performance optimization, and comprehensive testing strategies
• Contribute to technical design discussions; provide input on architecture and tooling under team lead guidance
• Develop product mindset: understand user flows, track feature metrics, suggest UX improvements
• Stay current with modern frontend evolution: Core Web Vitals, accessibility standards (EAA compliance), emerging APIs
   

Nice to Have

• Storybook experience
• Animation libraries (Framer Motion, GSAP)
• Monorepo exposure (Nx, Turborepo)
• Basic backend understanding (Node.js, APIs)
• CI/CD familiarity
• Open-source contributions

Description

Customer is one of the biggest companies on the market of home entertainment consumer electronics devices that strives to provide their clients with high-quality products and services.

This position collaborates with a geographically diverse team to develop, deliver, and maintain systems for digital subscription and transactional products across the Customer’ SVOD portfolio.

Requirements

– 1+ years of intermediate to advanced SQL

– 1+ years of python development (intermediate level is fine: Pandas, Numpy, boto3, seaborn, requests, unittest)

– Experience building ETLs

– Experience with data tools (ex.: Airflow, Grafana, AWS Glue, AWS Athena)

– Excellent understanding of database design

– Cloud expereince (AWS S3, Lambda, or alternatives)

– Agile SDLC knowledge
– Detail oriented
– Data-focused
– Strong verbal/written communication and data presentation skills, including an ability to effectively communicate with both business and technical teams
– An ability and interest in working in a fast-paced and rapidly changing environment
– Be self-driven and show ability to deliver on ambiguous projects with incomplete or dirty data

Would be a plus:
– Understanding of basic SVOD store purchase workflows
– Background in supporting data scientists in conducting data analysis / modelling to support business decision making

– Experience in supervising subordinate staff

Job responsibilities

– Data analysis, auditing, statistical analysis
– ETL buildouts for data reconciliation
– Creation of automatically-running audit tools
– Interactive log auditing to look for potential data problems
– Help in troubleshooting customer support team cases
– Troubleshooting and analyzing subscriber reporting issues:
– Answer management questions related to subscriber count trends
– App purchase workflow issues
– Audit/reconcile store subscriptions vs userdb

Description

Customer is one of the biggest companies on the market of home entertainment consumer electronics devices that strives to provide their clients with high-quality products and services.

This position collaborates with a geographically diverse team to develop, deliver, and maintain systems for digital subscription and transactional products across the Customer’ SVOD portfolio.

Requirements

– 3+ years of intermediate to advanced SQL

– 3+ years of python development (intermediate level is fine: Pandas, Numpy, boto3, seaborn, requests, unittest)

– Experience building ETLs

– Experience with data tools (ex.: Airflow, Grafana, AWS Glue, AWS Athena)

– Excellent understanding of database design

– Cloud expereince (AWS S3, Lambda, or alternatives)

– Agile SDLC knowledge
– Detail oriented
– Data-focused
– Strong verbal/written communication and data presentation skills, including an ability to effectively communicate with both business and technical teams
– An ability and interest in working in a fast-paced and rapidly changing environment
– Be self-driven and show ability to deliver on ambiguous projects with incomplete or dirty data

Would be a plus:
– Understanding of basic SVOD store purchase workflows
– Background in supporting data scientists in conducting data analysis / modelling to support business decision making

– Experience in supervising subordinate staff

Job responsibilities

– Data analysis, auditing, statistical analysis
– ETL buildouts for data reconciliation
– Creation of automatically-running audit tools
– Interactive log auditing to look for potential data problems
– Help in troubleshooting customer support team cases
– Troubleshooting and analyzing subscriber reporting issues:
      Answer management questions related to subscriber count trends
      App purchase workflow issues
      Audit/reconcile store subscriptions vs userdb

About Bitmedia Labs
Bitmedia Labs - an international product IT company, has been in the industry since 2014, effectively functioning on a worldwide scale with a crew of 130+ ambitious and highly skilled professionals, creating successful projects in domains such as online advertising systems for the crypto space, blockchain games, and NFT products.

We are currently looking for an experienced engineer to join our R&D project, contributing to cutting-edge development and innovation within the company.

Responsibilities:
 

• Develop scalable marketplace platforms and backend systems from scratch with deep AI/LLM integration
• Lead backend development using Node.js and TypeScript, implementing RESTful APIs, microservices, and background workers
• Build and integrate RAG (Retrieval-Augmented Generation) solutions with vector databases for intelligent search and recommendations
• Create AI agents and autonomous systems using LangChain/LangGraph frameworks
• Write Python code when needed for AI/ML integrations, data processing pipelines, and LLM agent implementations
• Develop frontend solutions and MVPs when required, implementing UI components and user interfaces
• Integrate and manage databases (SQL and NoSQL), implement caching strategies, and optimize query performance
• Mentor and guide junior and mid-level developers through code reviews, pair programming, and technical discussions
  
   

Required Qualifications:
 

• 4+ years of professional Node.js development experience and 3+ years with TypeScript
• Expert-level knowledge of JavaScript fundamentals (event loops, closures, promises, async/await) and asynchronous programming patterns
• Deep understanding of Node.js frameworks (Express.js, NestJS, Fastify) and architectural patterns
• Strong experience with SQL (PostgreSQL, MySQL) or NoSQL databases (MongoDB, Redis)
• Strong understanding of system design principles, design patterns, and software architecture best practices
• Practical experience building AI agents beyond ChatGPT usage - demonstrated through pet projects or production work
• Willingness and ability to learn and write Python code when needed for AI/ML integration
• Working knowledge of front-end fundamentals (HTML5, CSS3, JavaScript) and ability to implement UI solutions when required
• Strong strategic thinking with ability to align technical solutions with business objectives
• Proven technical leadership and mentoring experience with ability to guide and develop team members
• Knowledge of Docker containerization, CI/CD pipelines (GitHub Actions, GitLab CI), and DevOps practices
   

Preferred Qualifications:
 

• Working knowledge of AI frameworks (LangChain, LangGraph) for building autonomous agents and RAG applications
• Experience with vector databases (Pinecone, Weaviate, Qdrant, ChromaDB) and embeddings implementation
• Familiarity with at least one modern front-end framework (React, Vue.js, Angular)
• Experience with cloud platforms (AWS, GCP, Azure) for application deployment and AI/ML services
• Familiarity with observability tools (DataDog, New Relic, ELK stack) and monitoring practices
   

Hiring process: 
 

• Intro call with a Recruiter - Technical Interview with the Hiring team - Final Interview with the CEO - Сollection of recommendations - Offer.
   

We offer:

• Flexible work environment - you can work remotely;
• The 8-hour working day with a flexible schedule;
• Competitive salary based on your experience;
• Regular performance review and annual salary review;
• Paid sick leaves, vacation, and holidays;
• Professional development tools (reimbursement of educational courses or workshops, conferences around the world);
• Ambitious team with transparent communication and a friendly atmosphere, no micromanagement;
• Apple equipment;
• Memorable gifts for holidays.

The future belongs to gamedev. AlphaNova - game development company is looking for a Game Desinger for project collaboration. Do you love games as much as we do? We are sure that it is you who will be able to strengthen our team. Together we will make the best product.

Requirements

• At least 2 years experience as a game designer.
• Experience working on released projects  (mobile games).
• Must: experience with puzzle game and hybrid-casual game
• Basic skills in working with Unity for configuring game design parameters and balancing gameplay.
• Understanding of game development processes and project life cycles.
• Experience in creating and balancing game mechanics.
• Ability to write technical documentation and specifications.
• Experience with prototyping and level design tools.

Responsibilities

• Writing and maintaining GDD (Game Design Document).
• Participating in storyline development.
• Collaborating with development, art, and QA teams.
• Design, prototype, implement, and fine-tune new features.
• Support and develop existing features.

We offer:

• Competitive rate.
• Work with international products.
• Work format - remote.
• Salary, tied to the dollar exchange rate.
• Career growth that you can influence by showing the right results, as we are constantly expanding.

Insiders is a fast-growing IT company which employs about 200 people. Our company focused on providing innovative digital services and cutting-edge technologies to solve complex business challenges.

We are located in Lviv and currently work in an office format. For candidates from other cities, we offer relocation (an apartment located near the office, this option is free).

What we expect from the candidate:

- Experience in building responsive user interfaces and designs using HTML/CSS.
- Solid knowledge of JavaScript and React/Next.js.
- Understanding of the latest trends and best practices in front-end development.
- Ability to use dev tools, debugger and package managers (npm, yarn).
- Basic understanding of REST principles.
- Experience with Git.
- Knowledge of how to effectively use GitHub during teamwork.

what we offer:

- free study in our Corporate English Academy

- growth and development opportunities for young developers even if you have no commercial experience

- regular salary review (after the completion of each contract)

- provision of Apple equipment

- comfortable office with all amenities not far from the center (uninterrupted internet, generator, tea and coffee, pastries).

- timely payment of salaries.

- corporate events, teambuildings, etc.

- working on projects side by side with Senior developers, which will give you the opportunity to learn and develop.

Description

We have an exciting opportunity for an experienced and passionate Python developer to join our growing technology team, focusing on building technology products for some of the world’s leading media agencies. The successful candidate will work alongside developers and other members of the scrum teams.

About the division:

Our client is a part of global data products and technology company. Where they are on a mission to transform marketing by building the fastest, most connected data platform that bridges marketing strategy to scaled activation.

They work with various agencies and clients to transform the value of data by bringing together technology, data and analytics capabilities. They deliver it through their own AI-enabled media and data platform for the next era of advertising.

They are endlessly curious. Team of thinkers, builders, creators and problem solvers are over 1,000 strong, across 20 markets around the world.

Requirements

• 5+ years of web development experience
• Strong knowledge of Python
• Strong OOP knowledge
• Experienced in REST API
• Good understanding of complex web services
• Hands-on experience in using Docker and GoogleCloud will be a plus
• Intermediate English is a must

Job responsibilities

• Developing new modules and features
• Fixing defects
• Writing unit tests
• Performing code review
• Testing the code on all levels (unit, integration, system, e2e)
• Take part in calls with customer

Insiders is a fast-growing IT company which employs about 200 people. Our company focused on providing innovative digital services and cutting-edge technologies to solve complex business challenges.

We are located in Lviv and currently work in an office format. For candidates from other cities, we offer relocation (an apartment located near the office, this option is free).

What we expect from the candidate:

•Solid understanding and ability to the practical application of HTML/CSS, JavaScript and TypeScript. 

•Proofed experience in Node.js with Express.js and Nest.js frameworks.

 •Knowledge of MySQL, PostgreSQL, MongoDB and Redis.

•Deep knowledge and understanding of networking - REST API standards, HTTP/HTTPS methods. 

•Solid understanding of React/Next.js. 

•Experience with Git. 

what we offer:

- free study in our Corporate English Academy

- growth and development opportunities for young developers even if you have no commercial experience

- regular salary review (after the completion of each contract)

- provision of Apple equipment

- comfortable office with all amenities not far from the center (uninterrupted internet, generator, tea and coffee, pastries).

- timely payment of salaries.

- corporate events, teambuildings, etc.

- working on projects side by side with Senior developers, which will give you the opportunity to learn and develop.

We are looking for a talented Trainee Node.js developer to join our team and develop innovative projects using JavaScript, Node.js, and different databases.

Ideally, you need to have a passion for programming, great soft skills, and good English.

It is a full-time position in our Lviv office.

Requirements:

- Solid understanding of Node.js

- Proficiency with JavaScript

- Working with SQL/NoSQL databases: Redis, MongoDB, and MSSQL

- Knowledge of OOP

- English level: Intermediate+ (written, spoken)

- Desire to work and study new technologies, approaches, and best practices

- Attentive to details

Responsibilities:

- Write clean and maintainable code using Node.js

- Testing modules and integration
- Development of the server part of the application

- Implement back-end functionality according to requirements

- Staying current on new technologies and best practices

- Communicate with the customer and team members

We offer:

- IT Club membership

- 18 days of vacation + 8 days of paid state holidays

- Health insurance

- Compensation for: health insurance, educational courses, certificates and sport activities

- Mentorship program

- Reading club
- Cozy and pet-friendly office

- Weekly sweets & fruits office days

▪️ Office relax zone with PS4, VR, table games, table tennis, aero hockey, mini football table, and gymnastic ladder.

We are looking for a team player!

Are you interested? We would be glad to receive your CV.

Uvik Software is a successful software development company with a global presence in the world market. Our strong team of professionals cares about stability and success🧑‍💻👩‍💻

We are looking for a self-motivated and proactive Lead Generation Manager to join our dynamic team.

Key Responsibilities:

• Develop and implement effective lead-generation strategies for IT products and services.
• Utilize automation tools to efficiently search for and verify potential leads.
• Analyze market trends to identify target audiences for successful lead generation.
• Maintain and update a comprehensive database of potential clients.
• Collaborate with marketing and sales teams to optimize client acquisition processes.

• Measure and analyze the effectiveness of lead generation campaigns using analytical tools.

   

Desired Skills and Experience:

• Experience: 2+ years of experience in lead generation within the IT sector.
• Automation Skills: Proficiency with lead generation automation tools (e.g., LinkedIn Sales Navigator, Apollo, Hunter).
• Tools: Experience with CRM systems (e.g., Salesforce, HubSpot) and analytical tools (e.g., Google Analytics).
• Analytical Skills: Ability to analyze data and derive insights for process improvement.
• Communication Skills: Strong ability to communicate effectively with internal teams.
• English Proficiency: B2 level or higher.

Preferred Skills:

• Knowledge of A/B testing methodologies and conversion optimization.

• Understanding of modern digital marketing strategies.

   

We Offer:

• 12 sick leaves and 18 paid vacation business days per year.
• Comfortable work conditions (including MacBook Pro and Dell monitor at each workplace).
• Flexible work schedule.
• Competitive salary and performance-based bonuses.
• Opportunities for professional development and training.
• Supportive and friendly team environment.

📩 Interested? Bring your expertise to a company that’s shaping the future with some of the world’s leading companies.

Project Description:

The FX Pricing team in Wroclaw, within a global Investment Bank Technology organization. We work in an agile environment, building and maintaining microservices for the FX Price Distribution stack and beyond.

Responsibilities:

As a Software Engineer, you'll play a key role in delivering business value while shaping the future of our technology stack.

Mandatory Skills Description:

- Strong C++ server-side development skills targeting Linux platforms, including expertise in multi-threaded programming.
- Experience in containerization: Cloud/Azure, Docker, and DevOps practices, migrating C++ apps as container apps.
- Ability to work independently, apply best coding practices, and improve legacy codebases.

Nice-to-Have Skills Description:

- Knowledge of Redis. Tibco RV
- Experience in using RMDS market data connectivity using APIs like EMA.
- SQL/Database skills
- FX domain knowledge, preferably in FX pricing.

A leading mobile marketing and audience platform, empowers the app ecosystem with cutting-edge solutions in mobile marketing, audience building, and monetization. With integration into over 500,000 monthly active apps and a global reach, the platform leverages first-party data to deliver impactful and scalable advertising solutions.

We’re looking for a highly skilled, independent, and driven Machine Learning Engineer to lead the design and development of our next-generation real-time inference services - the core engine powering algorithmic decision-making at scale. This is a rare opportunity to own the system at the heart of our product, serving billions of daily requests across mobile apps, with tight latency and performance constraints.

You’ll work at the intersection of machine learning, large-scale backend engineering, and business logic, building robust services that blend predictive models with dynamic, engineering logic - all while maintaining extreme performance and reliability requirements.

Description:

• Own and lead the design and development of low-latency Algo inference services handling billions of requests per day.
• Build and scale robust real-time decision-making engines, integrating ML models with business logic under strict SLAs.
• Collaborate closely with DS to deploy models seamlessly and reliably in production.
• Design systems for model versioning, shadowing, and A/B testing at runtime.
• Ensure high availability, scalability, and observability of production systems.
• Continuously optimize latency, throughput, and cost-efficiency using modern tooling and techniques.
• Work independently while interfacing with cross-functional stakeholders from Algo, Infra, Product, Engineering, BA & Business.

Requirements:

• B.Sc. or M.Sc. in Computer Science, Software Engineering, or a related technical discipline.
• 5+ years of experience building high-performance backend or ML inference systems.
• Deep expertise in Python and experience with low-latency APIs and real-time serving frameworks (e.g., FastAPI, Triton Inference Server, TorchServe, BentoML).
• Experience with scalable service architecture, message queues (Kafka, Pub/Sub), and async processing.
• Strong understanding of model deployment practices, online/offline feature parity, and real-time monitoring.
• Experience in cloud environments (AWS, GCP, or OCI) and container orchestration (Kubernetes).
• Experience working with in-memory and NoSQL databases (e.g. Aerospike, Redis, Bigtable) to support ultra-fast data access in production-grade ML services.
• Familiarity with observability stacks (Prometheus, Grafana, OpenTelemetry) and best practices for alerting and diagnostics.
• A strong sense of ownership and the ability to drive solutions end-to-end.
• Passion for performance, clean architecture, and impactful systems.

Why join us?

• Lead the mission-critical inference engine that drives our core product.
• Join a high-caliber Algo group solving real-time, large-scale, high-stakes problems.
• Work on systems where every millisecond matters, and every decision drives real value.
• Enjoy a fast-paced, collaborative, and empowered culture with full ownership of your domain.

What we offer:

• Polish public holidays.
• 20 working days per year is Non-Operational Allowance and settled to be used for personal recreation matters and are compensated in full. These days have to be used within the year, with no rollover to the next calendar year.
• Health Insurance.
• Gym Subscription (Multisport).