Praca senior javapython engineer with react – Bydgoszcz

We are looking for an experienced Senior Full Stack Engineer to work for our client. This role requires a seasoned professional who can work independently and deliver high-quality solutions. Responsibilities Design, develop, and maintain full-stack applications using Python, JavaScript, and ReactBuild and optimize cloud infrastructure on AWSImplement...

Xebia is a global AI-first, digital transformation, and engineering partner. With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions. We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital...

W Scalo zajmujemy się dostarczaniem projektów software'owych i wspieraniem naszych partnerów w rozwijaniu ich biznesu. Tworzymy oprogramowanie, które umożliwia ludziom dokonywanie zmian, działanie w szybszym tempie oraz osiąganie lepszych rezultatów. Wykorzystujemy szerokie spektrum usług IT, aby wspierać naszych klientów w realizacji ich celów...

#6009 N-iX is a software development service company that helps businesses across the globe develop successful software products. During 20 years on the market and by leveraging the capabilities of Easter Europe talents, the company has grown to 2000+ professionals with a broad portfolio of customers in the area of Fortune 500 companies as well as...

Atos is seeking a Senior Software Engineer (Full Stack Developer) to join the SIMPL Programme for a 6-month B2B contract. You will work on secure, modular data platform integrations with Java, Spring, Spring Boot, React and Kafka in an international team.The role is fully remote with access to all required tools and equipment. Requirements include 5+ years...

Remote 100% (POLAND) Here at Ntaitive, we are hiring a language-agnostic Backend Software Engineer to architect the core engine behind our client's EM massive-scale simulation platform You will own the compute layer that bridges on-prem High-Performance Computing (HPC) clusters with elastic AWS infrastructure, handling massive, distributed compute workloads...

We are looking for a Senior Security Software Engineer to implement the baseline Cedar policy library and policy authoring standard for our Enterprise Agent Development Platform. This production-grade cloud-native ecosystem enables engineering teams to define orchestrate deploy and observe AI agents at scale using LangGraph and Strands Agents on AWS...

We are looking for an experienced Senior Data Engineer to join our team and work on innovative data engineering projects. You will play a key role in building and maintaining data pipelines, implementing data orchestration workflows, and creating curated data products for analytics and business reporting. This position offers flexibility with remote, hybrid,...

We are building a new multi-cloud product and need a Senior Full-stack Developer to deliver Python/FastAPI services and React/TypeScript UI at scale. You will work with PostgreSQL, OpenSearch, and Databricks, improving performance and integrations across the stack. Apply now. Responsibilities Build and support web applications using Python/FastAPI and...

We are launching a new multi-cloud product and need a Senior Full-stack Developer to own full-stack delivery from Python/FastAPI APIs to React/TypeScript UI. You will optimize PostgreSQL and OpenSearch performance and collaborate in a Databricks-heavy environment. Apply today. Responsibilities Develop and enhance web applications using Python/FastAPI and...

  Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory...

INTechHouse is hiring a senior full-stack engineer to build modern IT solutions for international clients. You will own features end-to-end from UI in React/TypeScript to Python/FastAPI on the backend, including API design, data modeling, and cloud deployment.You will work with REST and GraphQL, PostgreSQL, and testing in a fully remote-capable role or from...

We are looking for an experienced Senior Data Engineer to join our team and work on innovative data engineering projects. You will play a key role in building and maintaining data pipelines, implementing data orchestration workflows, and creating curated data products for analytics and business reporting. This position offers flexibility with remote, hybrid,...

We are seeking a Solution Architect specializing in React Native and mobile technologies to own end-to-end architecture and technical strategy for enterprise-scale mobile applications, starting with an iOS-first delivery approach and extending to Android. The working schedule for this role includes availability until 8:00 PM CET. Responsibilities Own...

freelance contract - duration 6 months, with possibility to extend Tech Stack: C#, .NET 8+, ASP.NET Core, REST APIs Azure, Azure OpenAI, Azure AI Search LLM, RAG, Semantic Kernel AI development tools: Claude Code, Codex CI/CD, Bicep / Terraform Project Description: We are looking for a strong Senior .NET Backend Developer to lead the development of AI...

Full Stack Developer with React, Java and Kafka - 6-months contractPublication Date: Oct 28, 2026Ref. No: 548168Location: Bydgoszcz, PL Łódź, PL Gdansk, PL Opole, PL Warszawa, PL Krakow, PL Bydgoszcz, PL Wroclaw, PLAtos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical...

Why Join Us At Cloudfide, we engineer solutions where data truly becomes an accelerator for innovation. We build and evolve large-scale Big Data and cloud-native platforms for global clients, including leaders in retail and the Fortune 500. We process massive, complex datasets, operate fully in the cloud ecosystem, and work with the latest technologies,...

We are looking for a Senior DevOps Engineer to join our team! You will own and evolve Mailtrap's production infrastructure — a multi-region AWS platform powering high-volume email sending and testing. You will keep it reliable, secure, and cost-efficient day-to-day. Our engineering team thrives in an agile, continuously improving, and automation-oriented...

N-iX is a global software development service company that helps businesses across the globe create next-generation software products. Founded in 2002, we unite 2,400+ tech-savvy professionals across 40+ countries, working on impactful projects for industry leaders and Fortune 500 companies. Our expertise spans cloud, data, AI/ML, embedded software, IoT, and...

The Senior AI Engineer is an individual contributor who defines technical direction while driving the quality, scalability, and reliability of next-generation AI-powered systems. This role operates at the intersection of research, software engineering, and advanced testing, transforming cutting-edge ideas into robust, production-ready platforms. This is a...