Jobs

Looking for a full-stack developer for a long-term project with an EdTech platform that has been operating for 15 years and has thousands of active users. 

The team is small: a tech lead, a frontend/payments developer, and a QA engineer. You will own tickets end to end - from reading to deploy - without hand-holding.

Stack: Ruby on Rails, Next.js, React, PostgreSQL, Nginx, Docker, Tailwind CSS, Render.

Requirements:

• 2-5 years of experience with Ruby on Rails and React/Next.js
• Experience deploying to managed PaaS platforms (Render, Vercel, Railway, or similar)
• AI-native workflow: you use Cursor, Claude, Copilot, or similar tools daily
• Strong async communication, clean PRs, questions before starting, not after shipping
• Russian or Ukrainian language for team communication

Conditions: remote, 30+ hrs/week, $25-40/hr, 6+ months with potential to go full-time.

We’re looking for an experienced ML/NLP engineer to analyze ~700k job records and identify niches and sub-niches.

Scope:

• Generate embeddings from job titles/descriptions
• Cluster jobs into meaningful groups (niches)
• Create sub-clusters (sub-niches)
• Auto-label clusters using LLMs
• Provide clean structured output

Requirements:

• Experience with embeddings (OpenAI or sentence-transformers)
• Clustering (HDBSCAN, KMeans)
• Python (pandas, scikit-learn)
• Experience with large datasets

Nice to have:

• FAISS or vector DB experience
• Previous work with marketplace/job data

Deliverables:

• Script/pipeline
• Clustered dataset
• List of niches with labels

To apply:
Please share a similar project you’ve done and briefly explain your approach.

We are looking for a Senior Data Engineer who can design, implement, and evolve scalable data systems in AWS.

Core Responsibilities
 

• Design and implement batch and streaming data pipelines using Apache Spark.
• Build and evolve a scalable AWS-based data lake architecture.
• Develop and maintain real-time data processing systems (event-driven pipelines).
• Own performance tuning and cost optimization of Spark workloads.
• Define best practices for data modeling, partitioning, and schema evolution.
• Implement monitoring, observability, and data quality controls.
• Contribute to infrastructure automation and CI/CD for data workflows.
• Participate in architectural decisions and mentor other engineers.

Required Qualifications
 

• 5+ years of experience in Data Engineering.
• Strong hands-on experience with Apache Spark (including Structured Streaming).
• Experience building both batch and streaming pipelines in production environments.
• Proven experience designing AWS-based data lake architectures: S3, EMR, Glue, Athena.
• Experience with event streaming platforms such as Apache Kafka or Amazon Kinesis.
• Experience implementing lakehouse formats such as Delta Lake.
• Strong understanding of partitioning strategies and schema evolution.
• Experience using SparkUI and AWS CloudWatch for profiling and optimization.
• Strong understanding of Spark performance tuning (shuffle, skew, memory, partitioning).
• Proven track record of cost optimization in AWS environments.
• Experience with Docker and CI/CD pipelines.
• Experience with Infrastructure as Code: Terraform, AWS CDK.
• Familiarity with monitoring and observability practices.
• Experience in the Financial domain.
• Experience running Spark workloads on Kubernetes.
• Experience implementing data quality frameworks or metadata/lineage systems.

We’re excited to welcome Customer Support Agents who speak French fluently, enjoy helping people, and want to grow together with a supportive team.
 

What you'll be doing:
- Helping customers with their questions and concerns across multiple channels (chat, email, phone calls, etc.)
- Staying in touch with the team during your shift to solve issues faster together
- Making sure each customer gets clear, friendly, and helpful responses

What we’re looking for:
- Prior experience in support? Great!
No experience? Also great — we love people who are eager to learn!
- You’re okay with our schedule: Mn-Fr 9 a.m. - 6 p.m. CT
- You're calm under pressure and genuinely care about helping people
- You’re comfortable communicating in French and English, both written and spoken — at least B2 level

What you’ll get:
- 100% remote work — wherever you feel most productive
- Full onboarding & training — we won’t leave you guessing
- Supportive startup vibe — small team, no bureaucracy
- Room to grow and become a pro in customer support
 

If you're someone who enjoys solving problems and making someone’s day a little easier — we’d love to hear from you! 🚀

We are looking for a UI/UX Designer who combines strong design expertise with analytical thinking and the ability to translate business requirements into effective user experiences.

Our partner company develops software solutions for the freight and logistics industry. The company is headquartered in Antwerp, Belgium, and builds digital products that help optimize transportation processes and logistics operations.

This is a remote position with direct employment in the company.

Requirements

• Strong analytical and business analysis skills
• Ability to analyze product requirements and define business logic, user flows, and component behavior
• Experience translating business requirements into UX structures and interaction scenarios
• Advanced Figma skills, including Components and Design Systems
• Ability to design interfaces according to corporate design guidelines
• Experience designing mobile applications
• Portfolio demonstrating work on complex platforms, marketplaces, or service-provider systems
• English: Intermediate or higher
• Strong communication and collaboration skills with product and engineering teams

Responsibilities

• Analyze product and business requirements
• Design user flows, wireframes, and UI for mobile applications
• Translate product requirements into clear UX structures and interaction scenarios
• Maintain and develop design systems and reusable components in Figma
• Collaborate closely with product managers and engineering teams

What we offer

• Remote work
• Direct employment with the company
• Opportunity to work on complex logistics and freight-tech products
• International team and collaboration with a Belgium-based company

We are looking for a Senior QA Automation Engineer to join our QA team and work closely with R&D to help ensure our products meet the highest standards of quality.

In this role, you will be responsible for building and improving automation infrastructure and processes, selecting the right technologies, and verifying that our software products meet both functional and quality requirements. We are looking for someone with a natural investigative mindset, sharp analytical skills, and a passion for identifying, documenting, and helping resolve issues.

If you have a keen eye for detail, enjoy solving complex problems, and are passionate about delivering bug-free, user-friendly software, we’d love to hear from you.

Responsibilities

• Test and verify software products to ensure they meet high quality standards
• Create detailed test plans and execute them effectively
• Enhance and maintain our automation framework
• Write and execute both automated and manual test cases
• Continuously improve product quality and QA processes

• Collaborate closely with R&D and cross-functional teams to identify and resolve issues

   

Requirements

• 6+ years of experience as a QA Automation Engineer
• 3+ years of experience with Python and pytest infrastructure
• Strong understanding of databases, including MongoDB and MySQL
• Experience writing API clients
• Experience with Playwright (basic knowledge is sufficient)
• Hands-on experience building CI/CD pipelines, preferably with GitHub Actions — must have
• Experience using AI/LLM coding tools such as Cursor, GitHub Copilot, etc. — a strong advantage
• Experience writing test plans
• Strong attention to detail
• Good communication and interpersonal skills
• Experience working in a quality assurance role within an agile development environment

Advantages

• Degree in Computer Science, Software Development, or a related field

The Role

We’re looking for a  Backend Technical Lead to join our new development team within the global VR video streaming ecosystem. This person will lead the new content processing team while staying hands-on.

What You Will Do

• Own the architecture and technical direction of the content processing pipeline - upload API, Camunda BPMN workflows, admin panel, and supporting services
• Lead system design for new features and complex changes; create and maintain architecture documentation and ADRs
• Drive code quality, review standards, and engineering practices (testing, CI/CD, code style, operational readiness)
• Lead technical incident response; write post-mortems with clear root causes and follow-up actions
• Identify and manage technical debt - maintain a prioritized backlog and advocate for regular capacity to address it
• Translate product requirements into technical solutions, milestones, and well-decomposed tasks
• Mentor engineers through design sessions, pair programming, and code reviews; reduce key-person risk by spreading knowledge across the team
• Define and maintain SLIs/SLOs for team-owned services; ensure sufficient logging, metrics, and alerting are in place
• Coordinate technical dependencies with other teams (Content Serving, Billing, UGC, DevOps); represent the team in architecture syncs and design reviews
• Evaluate and recommend technologies, patterns, and tools; pilot new approaches where they bring clear benefit

What We Are Looking For

• 4+ years of backend software engineering experience with PHP, including demonstrated technical leadership (leading design, mentoring engineers, owning architecture)
• Experience of using Golang in production environment
• Experience with NoSQL databases (MongoDB or similar)
• Experience with relational databases (PostgreSQL or similar)
• Experience designing and evolving backend architectures - APIs, data flows, service decomposition
• Strong understanding of testing practices (unit, integration, E2E) and CI/CD pipelines
• Ability to communicate technical trade-offs, risks, and designs clearly to both engineers and non-technical stakeholders
• English B1+ (written and verbal communication)

Bonus Points

• Experience with Camunda or similar BPMN/workflow orchestration engines
• Experience with various video formats, media containers, and transcoding pipelines
• Experience defining and working with SLIs/SLOs in production
• Understanding of message brokers and event-driven architectures (RabbitMQ, Kafka, or similar)

Tech Stack

• PHP, MongoDB, PostgreSQL, Kubernetes, Docker, CI/CD, Camunda BPMN (Java), Redis, Kafka, RabbitMQ, Go

Hiring Process

• HR Screening (30 min)
• Team Interview (1.5 hour)
• Live Coding Interview (1 hour)
• CEO Interview (30 min)

Vidar Systems is a Ukrainian startup in the field of acoustic technologies, operating at the intersection of military defense and security. We develop acoustic systems that accurately determine the location of enemy objects (including artillery and drones) by sound. 

We are looking for an Electronics Technician to assist in the development and troubleshooting of electronics, handle the integration of new modules into our systems, and strengthen the R&D team.

Your key responsibilities:

• Identify and resolve technical issues
• Select off-the-shelf components to meet project requirements
• Test and integrate components into existing systems (e.g., radio, GPS, weather stations)
• Perform soldering and basic electronics assembly
• Configure software and, where possible, write or modify code

Our requirements:

• Knowledge of electric circuit schematics
• Basic knowledge of Python and C programming languages
• Diverse professional experience with electronics and software
• Proficiency with tools: soldering station, multimeter, oscilloscope, and signal generator
• Ability to integrate off-the-shelf components into systems and resolve issues that arise in the process
• Aptitude for problem-solving through logical thinking and creativity

Nice to have:

• Engineering degree
• Understanding of the principles of sound wave physics

What we offer:

• Direct involvement in developing cutting-edge technologies for the Armed Forces of Ukraine
• A role with direct impact on product creation and improvement
• Flexible work schedule
• English language classes
• Company-funded training
• Military deferment

The Role

We’re looking for a Strong Junior/Middle Full Stack Angular/.NET Developer who is eager to learn, grow, and contribute to real-world projects from day one. This is a great opportunity if you have a solid foundation in programming and want to put your skills into practice while building modern, user-friendly applications.

In this role, you’ll work closely with experienced developers, gaining hands-on experience in Angular, .NET Core, and MS SQL. You’ll be part of a supportive team that values collaboration, knowledge sharing, and continuous improvement.

📋Key Responsibilities

• Assist in identifying and fixing bugs and issues in the codebase
• Contribute to front-end development using Angular by designing and implementing user-friendly interfaces
• Support database maintenance tasks, including writing SQL queries and helping optimize performance
• Participate in code reviews with more experienced developers to learn best practices and coding standards
• Help refactor existing code to improve efficiency, readability, and maintainability
• Collaborate closely with senior developers, gaining hands-on experience and guidance in both front-end and back-end development

📝Requirements

• Completed or ongoing Bachelor’s degree in Computer Science or a related field
• Solid understanding of software development principles and best practices
• Demonstrated coding skills with pet projects available on GitHub (or similar platform), preferably in C#
• Hands-on (non-commercial) experience with:
  • .NET Core (EF Core, MVC, Onion Architecture, or CQRS)
  • SQL databases
• English proficiency at B2+ level
• Availability for a full-time schedule: 12:00 – 20:30 (Mon–Fri, including a 30-minute lunch break)
• Willingness to participate in regular team meetings during working hours
• Strong analytical and problem-solving skills
• Excellent communication and teamwork abilities
• Experience with Angular (or any other JS) framework

What We Offer

📈  Growth opportunities — clear paths for professional development and career advancement

🔋 Supportive culture — a friendly, collaborative environment where your ideas matter

🖥️  Modern projects — work with cutting-edge technologies on meaningful, real-world applications

💡 Talented team — join a motivated group of professionals who are always ready to share knowledge and help you grow

Join our team at SoftPlus Ukraine and contribute to the success of our innovative projects.

Apply now!

We are looking for a PPC Specialist to launch, manage, and scale paid advertising campaigns in the CS2 skins niche.
 

Responsibilities:

• Launch, manage, and scale paid advertising campaigns across multiple platforms
• Analyze traffic performance and optimize campaigns based on ROAS and CPI
• Independently source, test, and purchase creatives (banners, videos, other assets)
• Research, test, and scale new traffic sources and ad placements
• Continuously test hypotheses and scale profitable campaigns
   

Key Requirements:

• Ability to set up advertising accounts from scratch (account structure, tracking, pixels, conversions)
• Strong skills in Google Ads — 60% primary focus (Search, Display, Video/YouTube)
• Solid experience with Meta Ads (Facebook / Instagram) — 40% focus
• Hands-on experience with traffic analytics and performance optimization (ROAS/CPI-driven)
• Independent sourcing and purchasing of creatives (banners, videos) for campaigns
• Media buying experience on niche and gaming-related platforms, including:
  • Esports tournaments and events
  • Gaming communities and forums
  • Discord servers
  • Twitch streamers and gaming influencers
  • Other gaming-related ad placements
• Ability to independently find, research, and test new traffic sources
• Experience in gaming, esports, skins, or digital goods niches
• Understanding of CS2 audience behavior and monetization funnels
• Experience scaling high-volume performance campaigns

Hi! We are Liven. We develop a global ecosystem of products that help people gain self-observability and steer away from negative thoughts, patterns, and behaviors on their personal journey.

Inside our ecosystem:

• Self-discovery companion — an app that helps 2.5M users build a deeper relationship with themselves. It’s a space for self-exploration through AI coaching, mood trackers, sound practices, and bite-sized learning.
• Online Coaching — sessions with certified experts to navigate complex life situations.
• Supplements — for physical recovery and bodily support.

Liven is a company for the curious. We are driven by curiosity — an inner need to ask questions, dig deeper, and never stop in the face of the unknown. We are passionate about creating products and solutions that truly help. Our entire culture of experimentation exists to find better ways to support and guide people on their self-discovery journey.

We’re looking for a Content Producer to own the full content cycle, from idea to final production, across our app and Apple Podcasts.

Challenges you’ll meet

• End-to-end content production: planning, shooting, and editing video, text, and audio content
• Contractor management: maintaining a database of content creators and coordinating their work across formats
• Video content strategy development: defining themes, formats, and styles aligned with audience needs and product goals
• Planning and organizing shoots
• Ensuring content quality across all stages: pre-production, production, and post-production
• Managing shooting schedules and timelines
• Analyzing content performance and identifying improvement opportunities
• Cross-functional collaboration with product, marketing, content, and design teams to align with business strategy
• Researching trends and generating innovative content ideas
• Optimizing workflows, documenting processes, and maintaining up-to-date documentation

Your professional qualities

• Experience working with a variety of content formats (video, text, audio)
• Ability to evaluate content performance (including platforms like YouTube, Meta, etc.)
• Experience in analyzing market trends, user behavior, and content performance using relevant tools
• Solid background in content creation
• Hands-on experience in video production and adapting content for different platforms
• Strong writing and storytelling skills
• Good sense of visual aesthetics and awareness of current content trends
• Creative thinking and ability to generate fresh ideas

💪🏻What will you enjoy most about being at Liven?

• Culture of Curiosity: a place for explorers who embrace the unknown and achieve stellar results even when there’s no playbook.
• Growth through Impact: your professional evolution is directly tied to the value you bring to the product and the business.
• Global Impact: develop a product that supports the mental well-being of millions of users worldwide every day.
• Trust and Ownership: the freedom to act, coupled with high responsibility for the outcome.
• Expert Community: access to professional clubs, specialized training, a knowledge base, and a library for your continuous learning.
• Space for Focus: autonomous offices in Kyiv and Warsaw with breakfasts, lunches, lounge areas, walking pads, and massage chairs.
• Sports Community: a running club, yoga, boxing, rock climbing, and functional training to keep you energized.
• Medical Insurance and a stable social package.
• Well-being Program: We care about the mental health of our team as much as we care about our users.
• Support during the war: we provide conditions for stable work and contribute to Ukraine’s recovery together.

Still on Day 1: A Constant Expedition

We’ve reached a scale we’re proud of, but inside, we keep the “Day 1” spirit — constantly asking questions, testing hypotheses, and adapting to new contexts. If you are driven by new challenges and want to empower the team with your vision, let’s connect.

Fuel your curiosity at Liven 🔎

Location: Remote (Poland)
Employment Type: b2b
Project Duration: April 2026 – July 2026
Experience Level: 4+ years

Overview
We are looking for a Fullstack Developer with strong backend expertise in Python and FastAPI, along with a good understanding of modern development practices, security, and infrastructure.

Key Requirements

• Solid commercial experience with Python, particularly FastAPI
• Proven experience designing and working with REST APIs
• Strong knowledge of PostgreSQL and relational database design
• Experience with authentication and authorization standards (OAuth2, OIDC, RBAC, SSO)
• Hands-on experience with Docker and Kubernetes
• Familiarity with CI/CD pipelines (GitHub Actions, GitLab CI or similar)
• Understanding of software supply chain security (artifact validation, signature verification, compliance checks, sandboxing)
• Ability to work with cloud, on-premise, or hybrid environments

Nice to Have

• Frontend experience with React, TypeScript, Next.js, or similar SPA frameworks

Tech Stack
Python, FastAPI, REST APIs, PostgreSQL, Docker, Kubernetes, CI/CD

Responsibilities

• Design and develop fullstack features across backend and frontend layers
• Build and maintain backend services using Python (FastAPI)
• Develop scalable data models and system architecture
• Implement secure authentication and authorization mechanisms
• Integrate security practices into the development lifecycle
• Collaborate with DevOps and infrastructure teams to ensure stable and reliable deployments

Location: Warsaw, Poland (hybrid model)
Employment Type: b2b
Project Duration: long-term
Experience Level: 6+ years

Overview
We are looking for a Senior Fullstack Developer with strong hands-on experience across both backend and frontend. The role requires deep expertise in modern Java, microservices architecture, and solid frontend development skills.

Key Requirements

• Strong commercial experience as a Fullstack Developer (backend-only profiles are not considered)
• Senior-level engineer with a hands-on approach (not a managerial role)
• Proven track record working on large-scale systems
• Excellent English communication skills

Backend & Architecture

• Strong experience with Java (versions 17–21, modern approach)
• Solid knowledge of Spring Boot 3.x and microservices architecture
• Hands-on experience with Kafka (event-driven systems)
• Strong SQL skills, especially with Oracle
• Experience with Redis or similar technologies
• Understanding of Domain-Driven Design (DDD)

Frontend

• Experience with Node.js and TypeScript
• Solid experience with Angular (SPA development)
• Strong understanding of frontend architecture and best practices
• Experience building and maintaining Single Page Applications
• Webpack (nice to have)

Security

• Good understanding of web application security principles
• Practical experience with OAuth2 and OIDC
• Familiarity with identity management solutions (nice to have)
• Awareness of OWASP standards

DevOps & Tooling

• Git (required)
• Kafka (required)
• CI/CD: GitLab CI (required), Jenkins (nice to have)
• Maven (nice to have)
• Docker and Kubernetes (nice to have)
• Tools: IntelliJ, VS Code
• Jira and Confluence – working experience

Additional Nice to Have

• Python
• Experience with AI-assisted development tools

Methodologies

• Agile (Scrum, Kanban)
• DevOps mindset
• Experience working in distributed international teams

Soft Skills

• Strong communication and teamwork skills
• Analytical thinking and problem-solving ability
• Proactive and results-oriented mindset
• Ability to work independently on complex tasks
• Continuous learning attitude

Tech Stack
Java (17–21), Spring Boot, Microservices, Kafka, DDD, Node.js

Responsibilities

• Design, develop, and maintain scalable fullstack applications
• Build and enhance microservices-based architecture
• Contribute to frontend development using modern frameworks
• Ensure high code quality, performance, and security
• Collaborate with cross-functional teams in an Agile environment
• Participate in code reviews and technical discussions
• Take ownership of features from concept to delivery

About Us

We are building a new high-load online platform in the iGaming domain using a modern, cloud-based backend architecture.
Our focus is on performance, reliability, and correctness.

The platform is designed as a distributed microservices system, capable of handling real-time processing, financial transactions, and heavy concurrent workloads.

We are assembling a strong engineering team to design and implement this platform entirely in Python with FastAPI.

Role: Python Backend Developer

You will design and implement core backend services in a cloud-native, microservices architecture.
This role involves working on critical systems such as transactions, user management, game integrations, messaging pipelines, analytics, and internal services.

You will actively participate in architecture, data modeling, and technical decision-making.

Responsibilities

• Design and develop backend services in a microservices architecture
• Build scalable APIs using FastAPI and async Python
• Architect and implement messaging and streaming systems
• Design and optimize PostgreSQL data models and queries
• Implement efficient caching and data access layers
• Work with analytical workloads using ClickHouse
• Ensure high availability, performance, and fault tolerance
• Write production-grade, well-tested, maintainable code
• Participate in system architecture and technical design decisions

Requirements

Must-Have

• Strong experience in Python backend development
• Hands-on experience with FastAPI
• Deep understanding of async programming in Python
• Strong knowledge of PostgreSQL and SQL optimization
• Experience with SQLAlchemy and Pydantic
• Experience working with RabbitMQ and/or Kafka
• Experience with Redis
• Production experience with Docker and Kubernetes
• Understanding of microservices and distributed systems
• Strong debugging and problem-solving skills
• Experience writing automated tests with Pytest

Nice-to-Have

• Experience building high-load, distributed platforms
• Experience in betting, gaming, fintech, or financial platforms
• Experience with ClickHouse or large-scale analytics
• Experience with cloud-native systems and observability

What We Offer

• Work on a new high-load platform built with modern Python
• Real impact on architecture and technical direction
• Challenging engineering problems at scale
• Strong technical team and engineering culture
• Competitive compensation
• Long-term, stable project
• Remote-friendly environment

Location: Wrocław, Poland (hybrid, preferred 1–2 days per week in the office)
Employment Type: b2b
Project Duration: long-term
Experience Level: 4+ years

Overview
We are looking for a Senior Software Engineer / Tech Lead with strong Angular expertise and leadership experience. This role combines hands-on development with team coordination and technical ownership.

Key Requirements

• Strong commercial experience with Angular (Senior level)
• Proven background as a Tech Lead or Senior Developer with leadership responsibilities
• Solid understanding of software architecture, clean code principles, and design patterns
• Experience working in Agile/Scrum teams
• Upper-intermediate or higher English level (both written and spoken)
• Strong sense of ownership and accountability

Nice to Have

• Full-stack experience with .NET
• Experience working on enterprise-level systems
• Previous collaboration in international environments
• Exposure to energy, utilities, or industrial domains

Tech Stack
Angular, Agile, Scrum

Responsibilities

Technical Leadership & Delivery

• Ensure high-quality code and adherence to best practices across the codebase
• Review and approve pull requests focusing on performance, maintainability, and security
• Evaluate and challenge technical and business decisions to achieve optimal outcomes
• Identify and communicate potential risks proactively

Team Leadership

• Take ownership of the technical delivery in collaboration with stakeholders
• Define scope and requirements, especially during initial project phases
• Ensure timely delivery aligned with agreed estimates and quality standards
• Mentor and support team members in their day-to-day work
• Distribute tasks and coordinate team activities
• Proactively address and resolve team conflicts
• Share progress updates with other Tech Leads and the Architect

Agile & Collaboration

• Facilitate Agile ceremonies: daily stand-ups, estimations, refinements, sprint planning, retrospectives, demos
• Work closely with QA, UX, and occasionally Mobile teams to ensure end-to-end delivery quality
• Maintain transparent communication with all stakeholders