Praca senior python engineer with react – Warszawa

Capco Poland, a global technology and management consultancy, is hiring a Front-End Developer (React) to deliver modern web applications for the payments domain. You will collaborate with cross‑functional teams, build scalable UI components, and integrate with AWS services to support business-critical payment services.Approximately 5–10 years of...

Box Poland is seeking a Software Engineer to help advance our Automate platform. You will design and build full-stack features with Java on the backend and React/TypeScript on the frontend, delivering scalable automation solutions and intuitive interfaces.You will collaborate with cross-functional teams, participate in code reviews, mentor peers, and...

LeoVegas Group is seeking a Mobile Application Engineer specializing in React Native to drive mobile features for the Dutch market. You will join our frontend team, delivering products end-to-end, collaborating with product managers, designers, backend and QA teams.Essential skills include 5+ years in mobile development, React Native, TypeScript, JavaScript,...

Sigma Software is seeking a Middle/Senior React Native Developer to join a fast-growing international project focused on mobile products used by millions of users worldwide. You will work with a distributed team to deliver high-quality iOS and Android apps with a product-oriented mindset.You will collaborate with experienced engineers, contribute to...

Kake, a remote-first, people-first global community of senior engineers, is seeking a Senior AI/LLM Engineer with strong Python to design, build, and productionize LLM-powered applications at scale. You’ll operate at the intersection of software engineering and applied AI, taking ownership from prototyping through production deployment.You’ll build...

A cloud technology company in Warsaw is looking for an experienced Senior Backend Engineer specializing in Python (FastAPI) or Go (Gin). The ideal candidate should have at least 5 years of commercial experience, especially in building scalable backend systems on AWS. You will design and develop APIs while working closely with AI and product teams to enhance...

Inspekt AI is hiring a Senior Backend Developer to join our team and help build and maintain a leading SaaS platform for property inspection. You will focus on clean, efficient code, robust architectures, and long-term maintainability, avoiding technical debt.We value developers who take pride in quality work and who thrive in an innovative, international...

Scalosoft w Warszawie poszukuje specjalisty Python do pracy nad projektami w obszarze bankowości i finansów. Główne obowiązki obejmują rozwój aplikacji backendowych, projektowanie rozwiązań AI oraz pracę w zespole w hybrydowym modelu pracy, z jedną wizytą miesięcznie w biurze.Idealny kandydat ma minimum 5 lat doświadczenia w programowaniu w...

Diverse CG Sp. z o.o. Sp.k. in Warsaw is seeking an ETL / Integration Developer to design and maintain ETL workflows. The candidate will work with IBM DataStage and Apache Airflow, integrating banking applications using APIs.Minimum 5 years of experience in data engineering is required, along with strong SQL skills and proficiency in Python. The role also...

Agentica Sp. z o.o. in Warsaw is hiring a Full-time Full-Stack Developer (Python / TypeScript) to own client projects and ship new features across the stack.The role emphasizes Python backends (80%) and TypeScript frontends (20%), with a focus on quality, reliability, and production readiness. You will design data models, work with PostgreSQL, Kafka, and...

DCG Poland is seeking an experienced ETL / Integration Developer in Warsaw, Poland. The role involves designing and maintaining ETL workflows, integrating banking applications using APIs, and ensuring data quality and compliance with regulations.The ideal candidate should have over 5 years of experience in data engineering, strong SQL and Python skills, and...

Trinetix is hiring a Senior AI Engineer to design and build production-grade AI applications using Python. You will turn business use cases into scalable technical solutions, building backends, APIs, and workflows that incorporate LLMs and enterprise systems.You will implement evaluation frameworks, improve reliability of AI outputs, and collaborate with...

Hi, we're glad you're here! We are hiring to our Aviva Services Excellence Centre! Take a look at our job description - maybe it suits you or one of your friends? As a (Senior) Software Engineer you will be is responsible for building and supporting high-performance microservices and APIs that provide secure access to enterprise operational data. Working...

Belvedere Recruitment seeks an experienced Full Stack Developer to join their Warsaw-based team on a 2-month contract, hybrid work setup. You will design backend APIs with .NET/C#, and deliver frontend features using React and TypeScript.You’ll model data across SQL/NoSQL databases and ensure secure API design while integrating cloud services. The role...

Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh's global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored...

Vention приглашает инженера ПО для разработки глобальных .NET-решений с упором на производительность и масштабируемость. Требуется опыт в REST API, React и TypeScript, знание баз данных и AWS. Ви есть активный рост и...

Atos is seeking a Senior Software Engineer (Full Stack) to join an international team on the SIMPL Programme, building a secure, modular data space platform. The role covers frontend and backend, API integration and cloud-to-edge solutions, with collaboration across Architects, Product Owners and DevOps.You will work on backend services with Java 21, Spring...

Role OverviewAs a Senior Software Engineer you will be responsible for building and supporting high-performance microservices and APIs that provide secure access to enterprise operational data. Working within a cloud-native architecture, you will develop containerised services using Spring Boot and Python, enabling real-time integration between business...

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...

HelloFresh in Warsaw, Poland, is seeking a Senior Mobile Engineer for its HelloTech unit. You’ll help migrate a white-labeled multi-brand app from native React Native toward a scalable greenfield architecture, building robust mobile software with a strong focus on performance, tooling, and reliability.Join a team delivering core mobile platforms across iOS...