senior python engineer with react

LeoVegas Mobile Gaming Group is seeking a Mobile Application Engineer (React Native) to build and enhance our mobile apps for the Dutch market. You will join the frontend team, collaborating with product managers, designers, backend and QA to deliver end-to-end features.The role focuses on high-quality React Native apps for iOS and Android, cloud...

Sii Ukraine LLC in Katowice is looking for a developer to work on an advanced planning platform, building and integrating backend and frontend layers to deliver a cohesive, scalable solution across multiple markets.The project is in active development with a strong focus on performance, reliability, and architectural direction, including the use of AI and...

Inetum Polska is seeking a Senior Fullstack Software Engineer to join a team building a large-scale digital commerce platform based on microservices and micro-frontends. You will work end-to-end with Java 25, Spring Boot 4, Spring WebFlux, React, TypeScript and Kubernetes, driving feature delivery and platform modernization.The role emphasizes AI-driven...

Senior Full-stack Software Engineer (NestJS/Node.js + React)Greenfield project building scalable screening solutions for a global talent-management platform serving 33,000+ clients. You will build full-stack features in TypeScript with a NestJS/PostgreSQL microservice backend and accessible React UI.Remote, Poland.ResponsibilitiesRequirements5+ years of...

S-PRO, a top-tier Digital Innovation and Software Engineering company, is seeking a motivated Full-Stack Developer for its cutting-edge fintech project. You will build end-to-end features across backend (Node.js, NestJS) and frontend (React, MUI), working with PostgreSQL and Kafka in a cloud environment.Join a team of 200+ professionals delivering innovative...

A leading solar technology company in Warsaw is seeking a Senior Software Engineer to enhance their solar design and sales platform. The ideal candidate will have over 5 years of software engineering experience, preferably with Ruby on Rails, and possess strong communication and collaboration skills. This hybrid role requires engagement in building scalable...

Boeing Poland sp. z o.o. EFS is seeking an Experienced Frontend Software Engineer in Gdańsk, Poland. The role focuses on building scalable, accessible frontend apps using modern JS/TypeScript frameworks in a hybrid work setting.You will own end-to-end frontend features, write tests, review code, and collaborate across product, UX, backend, and QA teams to...

Scalo w Gdyni poszukuje doświadczonego Fullstack Developera do projektowania i rozwijania nowoczesnych rozwiązań w branży morskiej. Praca obejmuje backend (.NET/C#, Web API, GraphQL) i frontend (React, TypeScript) oraz migracje do architektury mikroserwisowej w Azure.Wymagane 8 lat doświadczenia, silna znajomość Azure i chmurowych rozwiązań, praca w...

We're partnering with a leading financial services organisation that is transforming its next-generation portfolio management platform used by Portfolio Managers and Analysts across Equity, Fixed Income, and Multi-Asset teams.As a Senior Frontend Engineer, you'll play a key role in building modern, high-performance front-end applications, helping modernise...

Yalantis Limited is seeking a Senior Full-Stack Developer to join an international product team. The role focuses on backend development with Node.js (≈70%) and contributes to a cross-platform mobile app built with React Native (≈30%).You will work closely with clients and internal teams, helping deliver scalable solutions and shaping technical...

We are seeking a Senior Full-Stack Engineer with strong expertise in Java, Spring Boot, Kafka, microservices, and modern software architecture to deliver scalable solutions across enterprise banking and financial services environments. The ideal candidate brings valuable Financial Services experience spanning Investment Banking, Commercial Banking, Digital...

Sensor Tower is seeking a Frontend Engineer to build and define features that enhance user experience. In this role, you will take ownership of major technical components and lead the development of scalable applications, mentoring fellow engineers and driving best practices in React and TypeScript.The ideal candidate will have over 4 years of experience, a...

We are seeking a Senior Full-Stack Engineer with strong expertise in Java, Spring Boot, Kafka, microservices, and modern software architecture to deliver scalable solutions across enterprise banking and financial services environments. The ideal candidate brings valuable Financial Services experience spanning Investment Banking, Commercial Banking, Digital...

Fujitsu is seeking an experienced software professional to join our global team. You will design and develop enterprise web applications using .NET Core, C#, React, and SQL Server, while guiding 2nd/3rd line support and deployment through modern pipelines.You will lead technical teams, establish coding standards, and ensure quality through testing and...

Cześć! Poznaj możliwości współpracy ze Scalo!Zakres współpracy obejmuje:uczestnictwo w projekcie z branży fintech w którym będziesz rozwijać nowoczesne rozwiązania wspierające obszary KYC, Anti-Financial Crime,Fraud Operations oraz AI-powered support systems dla ponad miliona klientów platformy inwestycyjnej,wykorzystywany stos technologiczny...

DCG in Warsaw is seeking a Senior Frontend Developer to design and build advanced front-end features using React and TypeScript. You will translate complex UI/UX designs into robust, scalable components while ensuring accessibility and performance across enterprise applications.You will collaborate with UI/UX specialists and back-end teams, integrate with...

Scalo w Gdyni poszukuje partnerów do projektów z branży morskiej. Zakres obejmuje analizę wymagań biznesowych, proponowanie i implementację rozwiązań oraz rozwój i utrzymanie mikroserwisowych aplikacji w Azure.Praca hybrydowa: 3 dni w biurze tygodniowo. Wymagania: .NET/C#, React/TypeScript, Web API, GraphQL, Azure, Agile. Budżet projektu do 160...

KZ INSPIRE w Polsce poszukuje Senior Full Stack Developera, który połączy kompetencje backendowe (Python) z frontendowymi i samodzielnie dostarczy kompletne funkcjonalności — od API po interfejs użytkownika.Wymagane jest 4–5 lat doświadczenia, znajomość Django/FastAPI/Flask, React, PostgreSQL oraz Docker i Git, a także angielski na poziomie min....

Type of contract: Employment contract Salary range: 17400-26700 PLN gross What will you do? You will design and develop production-grade AI and GenAI solutions built primarily in Python, contributing to a large-scale enterprise technology transformation. You will work on LLM-based capabilities, RAG solutions and agentic workflows, ensuring secure...

AI Software Engineer (Python & React)Your responsibilities Design, develop and maintain full-stack applications using React, TypeScript and Python. Build and integrate LLM-powered applications using the OpenAI API, including RAG pipelines, prompt engineering and structured...