Software Developer

🏢 Summary: Part-time remote engineering role focused on building and shipping AI-driven workflows for a fast-moving D2C e-commerce product. The position involves owning end-to-end development across the stack, delivering production-ready features, and integrating AI tools into real business processes. Work is async-friendly with partial overlap required with an Asia-based team. 🗂️ Requirements: 5+ years of development experience, Strong JavaScript proficiency, Strong Python proficiency, Production experience with React, Production experience with Node.js, Proven hands-on use of AI coding tools in real projects, Ability to ship production-ready code across the stack, Availability for 20–25 hours per week, Availability for 1–2 morning hours overlap with Asia-based team, Professional working proficiency in English 📃 Skills: JavaScript, Python, React, Node.js, AI, Claude, Codex, Shopify, Playwright, Vitest, API 🏢 Description: 5+ dev engineering team building a D2C e-commerce business out of Hong Kong. We ship fast, with AI inside the workflow. What you'll do Build AI workflows that move real work forward. Own scoping and execution, not just tickets. Curiosity and a maker-do'er mindset are essential. Ship production code across our stack. Skills JavaScript Python Production experience with React and Node.js Demonstrated proficiency with AI coding tools (Claude Code, Codex, or equivalent) — not "I've tried it," but "here's what I built" Nice to have Shopify (apps, Storefront API) E-commerce or D2C background Testing discipline (Playwright, Vitest, or similar) Logistics B2B contract, part-time (~20-25 hrs /week) Remote-first, anywhere in Poland Async-friendly but requires work for at least 1-2 hrs in mornings (AM) with Hong Kong/Asia-hours team. ENGLISH working language. How to apply Send your CV plus ONE paragraph: what's the most interesting AI workflow you've built and what it shipped? NO COVER LETTERS.

🏢 Summary: Early-stage startup seeks a Full Stack Engineer to build the MVP of an agentic AI platform for security compliance using React and FastAPI. You will lead application code development in a small team, contributing to both frontend and backend as well as the foundation of an agent orchestration mechanism. The role offers strong ownership and direct impact on the product architecture. 🗂️ Requirements: Strong experience with React, Strong experience with Python backend development, Ability to work across full stack, Availability for hybrid work in Gdańsk 📃 Skills: React, Python, FastAPI, Django, AWS, Docker, GitHub, CICD, LangChain, PydanticAI, APIs 🏢 Description: We're a funded, early-stage startup building an agentic AI platform for security compliance. The product is new, we're opening an R&D centre in Gdańsk and you'd be one of the first engineers on it, with real input into how it's built. We keep meetings and busywork to minimum to build a culture focused on the needs of developers. The role: You will be part of a 4 people development team focused on the development of the MVP for our main product. React on the frontend, FastAPI on the backend. You will lead the application code, working alongside experienced infrastructure engineer and junior AI engineers. You will also engage in building the foundation of a agent orchestration mechanism. Must Have: Strong experience with React Strong experience with Python backend development FastAPI or Django is a huge plus Comfortable owning features across the full stack Availability for hybrid work in Gdańsk Great to have: Experience with any agentic framework such as Pydantic AI or LangChain AWS Docker GitHub Actions / CI/CD What will happen next? We would like to know you better, so we will invite you for a short call Next, you'll be invited to an interview to discuss your previous projects, skills and where you want to develop Why join: It's a new product, so you're building rather than maintaining. You get real ownership and the chance to work on genuinely new AI, in a calm, focused environment. If you've got the must-haves and the problem interests you, get in touch — you don't need to tick every box.

🏢 Summary: Senior Software Engineer role focused on building a real-time AI platform, owning features end-to-end across frontend, backend, and cloud infrastructure. The position involves developing full-stack solutions and contributing to technical architecture in a remote-first startup environment. 🗂️ Requirements: Strong experience with TypeScript, Strong experience with React, Hands-on experience with AWS, Experience with Docker, Experience with Linux, Experience with Git, Fluent English 📃 Skills: TypeScript, React, AWS, Docker, Linux, Git, Express, Tailwind, WebSockets, LangChain 🏢 Description: 💰 Salary: 25 000 – 28 000 PLN net/month (B2B) + 26 days paid annual leave + equity (ESOP) 📍 Location: Remote (Poland) + meetup in Poznań once per month Our client is an early-stage startup building a real-time AI platform that supports professionals during live conversations. The system processes interactions in real time and delivers contextual insights, knowledge, and guidance while conversations are happening. The founding team has strong experience in distributed systems, AI platforms, and enterprise SaaS and is currently expanding the engineering team to accelerate product development. Role The client is looking for a Senior Software Engineer who enjoys owning features end-to-end, from frontend interfaces to backend services and cloud infrastructure. You will work closely with the founding team on building a real-time AI-powered product , contributing to both product development and technical architecture. Responsibilities Build full-stack features using TypeScript Develop React-based user interfaces Design and maintain backend services and APIs Work with AWS cloud infrastructure Build and run Docker-based services Improve performance and reliability of real-time systems Requirements Strong experience with TypeScript and React Hands-on experience with AWS Experience with Docker and Linux Comfortable working with Git workflows Fluent English Experience working in remote teams Nice to Have Express Tailwind CSS Experience with real-time systems Knowledge of WebSockets / streaming Experience with LLM frameworks (e.g. LangChain) What the Client Offers Opportunity to build a product from an early stage Direct influence on architecture and product direction Work with experienced founders Remote-first environment Competitive salary + equity High level of ownership and autonomy

🏢 Summary: Senior AI-first Engineer role focused on building and modernizing full-stack systems using advanced AI-assisted development workflows. The position involves designing scalable architectures, delivering production-grade .NET and React solutions, and orchestrating multiple AI agents for parallel task execution. Work spans distributed systems, cloud environments, and high-quality engineering practices in client-facing projects. 🗂️ Requirements: Hands-on experience with AI coding assistants (Claude Code, GitHub Copilot, Cursor or equivalent), Ability to build custom AI skills and orchestrate multiple AI agents in parallel, Strong prompt engineering with critical evaluation of AI-generated output, Production experience with .NET and C# for REST APIs and middleware, Deep knowledge of OAuth2, OpenIDConnect, and JWT, Strong proficiency in JavaScript and TypeScript, Minimum 2 years production experience with React, Experience with state management, asynchronous patterns, and frontend testing, Experience designing monolith, microservices, and distributed architectures, Knowledge of DDD, CQRS, EventSourcing, and event-driven systems, Experience with message brokers (Kafka, RabbitMQ, AzureServiceBus or similar), Hands-on experience with Docker and knowledge of Kubernetes, Experience with CI/CD pipelines, Experience with cloud platforms (Azure, AWS, or GCP), Strong knowledge of SQL and ORM tools 📃 Skills: C#, .NET, REST, OAuth2, OpenIDConnect, JWT, JavaScript, TypeScript, React, DDD, CQRS, EventSourcing, Kafka, RabbitMQ, AzureServiceBus, Docker, Kubernetes, GitHubActions, AzureDevOps, Azure, AWS, GCP, SQL, NoSQL, Python, Java, Node.js, Copilot, Claude, Cursor 🏢 Description: We are looking for a Senior AI-first Engineer who combines deep technical expertise with a genuine, hands-on approach to AI-assisted development. You will work across varied client engagements — from modernizing legacy systems to architecting new products — and are expected to contribute at a high level regardless of project context. The ideal candidate has built a real, personalized AI development workflow — including custom skills, reusable prompt templates, and project-level instructions — and continues to refine it. Out-of-the-box tool usage is not sufficient for this role. We follow a remote-first setup with no mandatory regular office visits for this position. From time to time, you may be invited to join in-person meetings in one of our offices (Warsaw, Lodz, Wroclaw, Gdansk, or Bialystok), for example for client visits or team reunions. Responsibilities Design, develop, and maintain full-stack features with high standards of quality, performance, and reliability Apply AI tools throughout the workflow: generation, refactoring, review, testing, and research Contribute to architectural decisions — technology selection, system design, and trade-off analysis Conduct thorough code reviews and uphold engineering best practices across the team Identify risks, bottlenecks, and security concerns proactively and propose solutions Work directly with clients in English — requirements clarification, technical discussions, progress updates Mentor junior and mid-level engineers through day-to-day guidance and knowledge sharing Stay current with AI tooling developments and contribute findings to the broader team Requirements Hands-on experience with Claude Code, GitHub Copilot, Cursor, or equivalent AI coding assistants Ability to create custom skills and sub-agents and orchestrate multiple AI agents in parallel for concurrent task execution Strong prompt engineering skills; able to produce reliable, high-quality output and critically evaluate AI-generated results Production-grade .NET / C# (REST APIs, middleware, dependency injection) with solid understanding of OAuth 2.0, OpenID Connect, and JWT Deep proficiency in JavaScript and TypeScript 2+ years of hands-on production experience with React (highly preferable) and/or Angular Strong grasp of state management, asynchronous patterns, and frontend testing Confident designing systems across monoliths, microservices, and distributed architectures Working knowledge of DDD, CQRS, Event Sourcing, and event-driven systems, including message brokers (Kafka, RabbitMQ, Azure Service Bus, or similar) Hands-on use of Docker and working knowledge of Kubernetes, along with CI/CD pipelines (GitHub Actions, Azure DevOps, or similar) Experience with cloud platforms (Azure, AWS, or GCP) and observability practices (structured logging, distributed tracing, alerting) Solid background with SQL databases and ORMs; familiarity with NoSQL is a plus Additional exposure to Python, Java, or Node.js is highly desirable Clear communication skills in English (B2+), both written and spoken; comfortable in client-facing environments Salary ranges B2B 135 - 195 PLN/ hour EC 17000 - 24000 PLN/ month

🏢 Summary: Full-stack developer role working with a UK-based SaaS team using modern .NET and React technologies in an AI-assisted development environment. The position involves building and maintaining microservices and microfrontends, contributing to Azure infrastructure, and collaborating in a remote multicultural engineering team. Offers flexible remote work, modern tooling, and opportunities for architectural and professional growth. 🗂️ Requirements: 1–3 years commercial software development experience, C#, ASP.NET Core, REST APIs, Dependency Injection, React, English, Azure, CI/CD, Azure DevOps, Unit testing, Figma 📃 Skills: C#, ASP.NET, React, Next.js, TypeScript, Azure, Terraform, DevOps, Cursor, CodeRabbit, SonarCloud, xUnit, Jest, Microservices, Microfrontends, Figma, REST, CI/CD 🏢 Description: KC Techworks is young and agile outsourcing software development company based in Krakow, Poland. We provide development services, consultancy and managed resources to businesses operating across numerous sectors, primarily based in the UK. We are currently looking for a team member to work with a UK based SAAS company, to extend their existing development team. The current engineering team consists of around 20 technical heads, all of whom are remote, with occasional meetups in London or Kraków. The team are friendly, welcoming and multicultural operating from many locations including the UK, Sweden, Poland, Montenegro, USA, Spain and Brazil! Responsibilities Feature Delivery: Develop and maintain full-stack features using C#/.NET and React/Next.js , ensuring they meet business requirements and design specifications. Infrastructure & DevOps: Contribute to cloud resource management in Azure using Terraform scripts and maintain existing Azure DevOps Pipelines . Modern Coding Workflow: Utilize Cursor IDE and AI-driven tools to write clean, efficient code and participate in an "AI-first" development culture. Quality & Automation: Monitor and act on feedback from CodeRabbit (AI reviews) and SonarCloud (static analysis) to improve code quality before manual review. Testing: Write and execute unit tests using xUnit (backend) and Jest (frontend) to ensure high code coverage and reliability. Architecture Support: Work within a Microservices and Microfrontend architecture, understanding how different parts of the system communicate. UI/UX Implementation: Translate Figma designs into pixel-perfect, responsive components using the company’s Design System . Collaboration: Participate in Scrum ceremonies (Daily, Sprint Planning, Retro) and provide constructive feedback during code reviews. Required Skills and Competencies Experience: Max 1–3 years of commercial experience in software development. Backend: Solid grasp of C# and ASP.NET Core . Understanding of REST APIs and Dependency Injection. Frontend: Proficiency in React ; familiarity with Next.js and TypeScript is a significant plus. Tools & IDE: Comfort with Visual Studio or VS Code; openness to using Cursor IDE for AI-assisted coding. Cloud & CI/CD: Basic experience with Azure and an understanding of how CI/CD pipelines (Azure DevOps) work. Quality Mindset: Basic knowledge of SonarCloud or similar static analysis tools; willingness to work with CodeRabbit for AI reviews. Testing: Ability to write unit tests (e.g., xUnit , JUnit , or xUnit ). Design: Ability to interpret Figma files and implement styles accurately. Language: Fluent English (written/spoken) for daily collaboration. Why this role is great for a Regular Dev? Modern Stack: You won't be stuck with legacy code; you’ll use the latest .NET, Next.js, and Terraform. AI-First Culture: We encourage the use of Claude Code , Cursor and CodeRabbit —we want you to work smarter, not harder. Architectural Growth: You’ll get hands-on experience with Microfrontends and Microservices , which are highly valued skills in the current market. What we offer Competitive salary. Opportunities for professional growth and development. A collaborative and supportive work environment. Flexible working hours and remote work.

🏢 Summary: B2B full-stack engineering role for a remote AI-powered SaaS platform serving video and digital-content professionals. The position owns end-to-end delivery of new React.js and Node.js features, from concept through deployment, while contributing to engineering practices and mentoring teammates. 🗂️ Requirements: 5+ years of Full Stack Engineering experience, React.js proficiency, Node.js proficiency, Independent end-to-end solution delivery, Modern web technologies and full-stack architecture knowledge, Full SDLC experience, including deployment and maintenance, CI/CD and version-control experience, Mentoring experience, Cross-functional communication skills, English at B2 level or higher 📃 Skills: React.js, Node.js, ReactQuery, Tailwind, Fal, AWS, MongoDB, CI/CD 🏢 Description: Employer: US video production company Salary: 24,050–38,850 PLN on B2B Cooperation model: B2B Start date: ASAP Recruitment process: 3 online steps: Async Loom Screen, Behavioral interview with SVP, Live Case Study Technology stack • React.js/Query • Tailwind • Node.js • Fal (most image models) • AWS • MongoDB Description Join an innovative product team building an AI-powered platform for professionals in the video and digital-content industry. The platform simplifies and accelerates the journey from idea to production, helping teams collaborate, plan, and execute creative projects more effectively. The product uses advanced image, text, and video AI models in intelligent workflows for real-world collaboration. Beyond content generation, it addresses planning, coordination, and execution challenges. This role suits someone who enjoys ownership, moves quickly, and wants to influence both the product and engineering practices. Responsibilities • Design, develop, and deploy full-stack features for an AI-driven SaaS platform. • Partner with product stakeholders to define solutions and deliver measurable business impact. • Own the full development lifecycle, from idea to production. • Build and iterate on new product features from 0 to 1. • Own testing, validation, and release to ensure high-quality solutions. • Improve development processes, increase delivery speed, and reduce friction. • Mentor engineers and share best practices across the team. • Collaborate in a fast-moving environment focused on experimentation and continuous improvement. Requirements • 5+ years of experience as a Full Stack Engineer. • Proficiency with React.js and Node.js. • Proven ability to independently deliver end-to-end solutions. • Experience in product-oriented environments with a strong focus on delivery and impact. • Solid understanding of modern web technologies and full-stack architecture. • Ability to work across the SDLC, from development through deployment and maintenance. • Experience with CI/CD, version-control systems, and modern development workflows. • Strong ownership and accountability for delivered solutions. • Experience mentoring others and contributing to team growth. • Strong communication skills and ability to work in cross-functional teams. • English proficiency at B2 level or higher. Nice to have • Experience with AI/ML products or external model API integrations. • Familiarity with building or scaling early-stage, 0-to-1 products. • Background in media, video, or digital-content industries. • Experience with prompt engineering or chaining AI models. • Knowledge of DevOps or Product Operations practices. • Ability to improve team delivery speed and efficiency. • Interest in product thinking and experimentation. • Basic design sense or experience working closely with UI/UX. Benefits • Personal development opportunity in a stable, friendly, large multinational company. • Career growth and additional education.

🏢 Summary: B2B Full Stack Engineer role focused on building and scaling an AI-powered SaaS platform for the video and digital content industry. The position involves end-to-end ownership of features, from design to deployment, within a fast-moving product environment leveraging advanced AI models. You will develop full-stack solutions that streamline planning, collaboration, and execution workflows. 🗂️ Requirements: 5+ years experience as Full Stack Engineer, Proficiency in React.js, Proficiency in Node.js, Experience delivering end-to-end solutions independently, Strong knowledge of modern web technologies, Understanding of full-stack architecture, Experience across full SDLC, Experience with CI/CD pipelines, Experience with version control systems, Experience in product-oriented environment, Ability to deploy and maintain production systems, English B2 level or higher 📃 Skills: React, Node.js, JavaScript, TypeScript, Tailwind, AWS, MongoDB, CI/CD, Git, Fal, REST, AI, SaaS 🏢 Description: Employer: US video production company Location: Remotely from Poland Salary:  24 050 - 38 850 PLN on B2B Cooperation model: B2B Start date: ASAP Recruitment process: 3 online steps (Async Loom Screen, Behavior with SVP, Live Case Study) Technology stack: React.js/Query, Tailwind, Node.js, Fal (most image models), AWS, MongoDB Join an innovative product company building an AI-powered platform that supports professionals in the video and digital content industry. The solution focuses on simplifying and accelerating the journey from idea to production, helping teams collaborate, plan, and execute creative projects more effectively. The product leverages advanced AI models (image, text, and video) and combines them into intelligent workflows designed for real-world collaboration. Instead of focusing only on content generation, the platform addresses key challenges in planning, coordination, and execution. We are looking for someone who enjoys ownership, moves fast, and wants to have a real impact on both product and engineering practices. Your role is: Design, develop, and deploy full-stack features for an AI-driven SaaS platform; Work closely with product stakeholders to define solutions and deliver measurable business impact; Take ownership of the full development lifecycle — from idea to production; Build and iterate on new product features (0→1 development); Ensure high quality by owning testing, validation, and release of your solutions; Contribute to improving development processes, increasing delivery speed, and reducing friction; Mentor other engineers and share best practices across the team; Collaborate in a fast-moving environment focused on experimentation and continuous improvement. Your skills and experiences: 5+ years of experience as a Full Stack Engineer; Proficiency with React.js and Node.js; Proven track record of delivering end-to-end solutions independently; Experience working in product-oriented environments with a strong focus on delivery and impact; Solid understanding of modern web technologies and full-stack architecture; Ability to work across the entire SDLC — from development to deployment and maintenance; Experience with CI/CD, version control systems, and modern development workflows; Strong ownership mindset and ability to take responsibility for delivered solutions; Experience mentoring others and contributing to team growth; Strong communication skills and ability to work in cross-functional teams; English proficiency at B2 level or higher. Nice to have: Experience working with AI/ML-based products or integrating external model APIs; Familiarity with building or scaling early-stage (0→1) products; Background in industries related to media, video, or digital content; Experience with prompt engineering or chaining AI models; Knowledge of DevOps or Product Operations practices; Proven ability to improve team delivery speed and efficiency; Interest in product thinking and experimentation; Basic design sense or experience working closely with UI/UX. Our client offers: Great opportunity for personal development in a stable and friendly large multinational company; Career growth and additional education.

🏢 Summary: Senior Frontend role in a scaling legal tech startup focused on AI agents, with strong ownership over frontend architecture and product direction. You will build and refine user-facing interfaces using modern React-based technologies, collaborating closely with product, design, and backend teams. The role requires delivering clean, scalable code at high pace with AI-assisted development tools. 🗂️ Requirements: C1+ English proficiency, Experience building scalable and robust applications, Strong experience with React ecosystem, Ability to work in fast-paced startup environment, Experience collaborating with cross-functional teams 📃 Skills: React, TypeScript, Next.js, Tailwind, shadcn/ui, Zustand, JavaScript, HTML, CSS 🏢 Description: About us comm1t is a specialist IT recruitment agency delivering top engineers across Poland and Europe 🇪🇺. We combine experienced recruiters with autonomous AI agents and an obsessive focus on quality — sourcing 24/7 across LinkedIn, GitHub, and beyond to reach engineers who aren't actively job hunting but are open to the right move. We don't flood you with CVs. We get to know each candidate's skills, values, and goals, then send only the best-matched people — and we stay close through onboarding and the first months to make sure the placement lasts. About the role You'll be a senior voice on the frontend, working hand in hand with the product and shaping where it goes next. This is legal tech in the AI agents space, and the team is squarely in scaling mode — so the bar is high: clean, dependable code, shipped fast, with AI tools like Claude Code and Cursor part of how you work every day. What you'll do Build and maintain interfaces people actually enjoy using — designing, developing, and refining them Work across teams, partnering closely with designers, product managers, and backend engineers Take full ownership of your craft: code quality, maintainability, and the overall shape of the frontend codebase Move fast and experiment boldly, with a real say in how the platform evolves Must-have Excellent English communication (C1+) Experience building scalable, robust applications within (or close to) the stack Up for the pace of a dynamic, international startup Tech stack React, TypeScript, Next.js, Tailwind CSS, shadcn/ui, Zustand

🏢 Summary: Build scalable backend systems for an AI-native legal platform that automates complex document workflows, including review, drafting, analysis, anonymization, translation, and semantic search. The role offers close product collaboration, ownership over technical direction, and work in a fast-paced international startup environment. 🗂️ Requirements: English communication at C1+ level, Experience building scalable, robust backend systems, Hands-on daily use of AI tooling, Ability to work in a fast-paced, international startup environment 📃 Skills: Python, FastAPI, Redis, SQL, NoSQL, Celery, Azure, React, Next.js, TypeScript, shadcn, Zustand, Claude, Cursor 🏢 Description: About the role You'll work on an AI-native platform for the legal industry, building agentic AI workflows that let legal teams delegate complex, multi-step work. This goes beyond chat-based assistance to end-to-end document execution, including review, drafting, analysis, anonymization, translation, and semantic search. The product is highly scalable and performant, handling large volumes of large legal documents. You'll work closely with the product team, with real ownership and impact on its direction. The role is suited to top-tier engineers who deliver high-quality code and challenge decisions rather than simply execute tickets. Tech stack • Python • FastAPI • Redis • SQL • NoSQL • Celery • Azure Cloud • React • Next.js • TypeScript • shadcn/ui • Zustand Must-have • Strong English communication skills (C1+) • Experience building scalable, robust backend systems within, or close to, the listed stack • Hands-on experience using AI tooling in daily work, such as Claude Code or Cursor • Comfort working in a fast-paced, international startup environment Nice to have • Experience building LLM-powered features or workflows using OpenAI or Anthropic APIs, LangChain, or agentic systems

🏢 Summary: Build scalable backend systems for an AI-native legal platform that automates complex document workflows, including review, drafting, analysis, anonymization, translation, and semantic search. The role offers close product collaboration, ownership of technical direction, and work in a fast-paced international startup environment. 🗂️ Requirements: English communication at C1+ level, Experience building scalable, robust backend systems, Hands-on daily use of AI tooling, Comfort working in a fast-paced, international startup environment, Ability to deliver high-quality code and challenge technical decisions 📃 Skills: Python, FastAPI, Redis, SQL, NoSQL, Celery, Azure, React, Next.js, TypeScript, shadcn/ui, Zustand, Claude, Cursor 🏢 Description: About the role You'll work on an AI-native platform for the legal industry, building agentic AI workflows that let legal teams delegate complex, multi-step work. This goes beyond chat-based assistance to end-to-end document execution, including review, drafting, analysis, anonymization, translation, and semantic search. The product is highly scalable and performant, handling large volumes of large legal documents. You'll work very closely with the product, with real ownership and impact on its direction. We're looking for top-tier engineers who deliver high-quality code and challenge decisions rather than just execute tickets. Tech stack Python, FastAPI, Redis, SQL, NoSQL, Celery, Azure Cloud, React, Next.js, TypeScript, shadcn/ui, Zustand Must-have • Strong English communication (C1+) • Experience building scalable, robust backend systems within (or close to) the stack above • Hands-on experience with AI tooling in daily work (Claude Code, Cursor, etc.) • Comfort in a fast-paced, international startup environment Nice to have • Experience building LLM-powered features or workflows (OpenAI/Anthropic APIs, LangChain, agentic systems)