senior fullstack engineer

At KraftCode, we value independence, flexibility, and technical excellence. We’re looking for an experienced Senior Fullstack Engineer with a strong backend focus to join a project for a large US-based technology company. You’ll work on a high-scale digital platform, developing new functionality and gradually migrating existing Elixir-based services to...

Proven experience in software engineering and application development Strong understanding of backend services, APIs, databases, and system integrations Experience with CI/CD pipelines , automated testing, and version control (Git) Ability to troubleshoot production and non-production issues Understanding of secure development practices and operational...

What You'll Need: 5 years of professional software engineering experience Strong experience with Node.js, JavaScript and TypeScript Solid experience with React.js and modern web development Experience designing and integrating REST APIs and GraphQL Strong understanding of modern application architecture, scalability and performance Experience with AWS and...

Location: Warsaw Tappz is building AI-native applications powered by large language models. We’re moving fast in a highly competitive space and need an engineer who is fully focused on AI systems and agent development. We’re looking for someone who enjoys high ownership, working hard, and shipping real AI products. Tasks Design and build backend systems...

Nomtek is seeking a Senior Fullstack Developer (Node.js + React.js) to strengthen our web development capabilities. The role leans toward backend with AWS experience, collaborating across product, design and QA to deliver scalable solutions.You will build and maintain RESTful and GraphQL APIs, ensure performance and security, and contribute to agile...

Location: Warsaw Tappz is building AI-native applications powered by large language models. We’re moving fast in a highly competitive space and need an engineer who is fully focused on AI systems and agent development. We’re looking for someone who enjoys high ownership, working hard, and shipping real AI products. Tasks Design and build backend systems...

Senior AI Fullstack Engineer Capco is seeking experienced and motivated AI Engineers to help design, build, and deploy AI-enabled solutions for clients in the financial services industry. As part of this engagement, you will work on complex business, technology, and data challenges, applying modern AI engineering practices to create scalable, reliable, and...

ALTEN - A Global Leader in Engineering and IT Services Founded in France in 1988, the ALTEN Group is a leading technological partner serving the world’s largest clients. In 2023, it achieved revenues exceeding 4.07 billion euros and employs over 57,000 people, 88% of whom are engineers and IT experts. ALTEN Polska has been operating for 13 years,...

We are looking for a strong backend and cloud engineer with deep experience in IoT and distributed systems who wants to shape and scale modern cloud-native platforms. You will design and evolve IoT and cloud architectures at OBI Smart Technologies Poland, working across device communication, telemetry processing and automation workflows. You act as a...

Team Up Recruitment in Poland is seeking an experienced Fullstack Developer to build and evolve large-scale systems across backend Java/Spring and frontend React.You will work in distributed teams on microservices, REST APIs and CI/CD with Docker/Kubernetes, emphasizing testing, performance and code quality. The role also values collaboration, pair...

Reply is seeking a Senior Fullstack Engineer with a backend focus in Python to design and scale digital solutions within the insurance domain. You will own backend services and system design, while contributing to frontend applications where needed, building robust APIs and integrations with cloud-based distributed systems.The role emphasizes architecture...

Nomagic in Warsaw is seeking a Full stack engineer to join our mission of teaching robots in the real world. You'll develop a cutting-edge programming platform, playing with robots daily in a dynamic, English-speaking team.We value creativity and invite engineers with over 5 years’ experience in React and Python to empower our development and enhance user...

Reply is seeking a Senior Fullstack Engineer with a backend focus in Python to design and scale digital solutions within the insurance domain. You will own backend services and system design, while contributing to frontend applications where needed, building robust APIs and integrations with cloud-based distributed systems.The role emphasizes architecture...

We are looking for an experienced Full Stack Engineer to join an international team working on a modern Agentic Data Processing Solution. The role focuses primarily on backend development using Python and TypeScript, with frontend development in Vue.js (React.js is also accepted).The ideal candidate has experience building scalable,...

Unleash innovation — design the future of intelligent advertising ecosystems! Warszawa-based opportunity with hybrid work model. As a Senior Fullstack Engineer – React and Kotlin Specialists, you will be working for our client, a leader in building advanced advertising tools, focusing on creating intelligent recommendation systems and automating campaign...

- 7+ years of professional software development experience in enterprise environments - Strong expertise in ReactJS, Redux, TypeScript, HTML5, CSS3, and modern JavaScript - Deep understanding of React Hooks, Context API, Redux Toolkit, routing, and frontend performance optimization - Hands-on experience with Vite and/or Webpack - Strong experience with Java...

- strong commercial experience with Java and Kotlin, - proven experience designing, building, and maintaining REST APIs, - hands-on experience with API-first design and OpenAPI / Swagger, - very good knowledge of React and TypeScript, - solid understanding of distributed systems and system-to-system integrations, - practical knowledge of OAuth 2.0 and OpenID...

- strong commercial experience with Java and Kotlin, - proven experience designing, building, and maintaining REST APIs, - hands-on experience with API-first design and OpenAPI / Swagger, - very good knowledge of React and TypeScript, - solid understanding of distributed systems and system-to-system integrations, - practical knowledge of OAuth 2.0 and OpenID...

- strong commercial experience with Java and Kotlin, - proven experience designing, building, and maintaining REST APIs, - hands-on experience with API-first design and OpenAPI / Swagger, - very good knowledge of React and TypeScript, - solid understanding of distributed systems and system-to-system integrations, - practical knowledge of OAuth 2.0 and OpenID...

Do you want to work for one of the world’s largest global banks? Want to be part its exciting digital transformation? Do you want to engineer incredible products for millions of customers? Well, our Client offers just that ☺︎ It’s a leader in digital transformation of banking services and Cracow is one of the most important technological centers –...