senior python engineer with react

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...

OANDA Krakow is seeking a Senior React Native Engineer to join our tight-knit mobile team. You will work on a production, high-performance React Native codebase embedded in native iOS and Android hosts, taking features from concept to production.You will design robust REST contracts, mentor teammates, and contribute to engineering standards in a fast-paced,...

Luxoft Poland is seeking a senior Full-Stack Developer (Java + React) to join our client's team in a hybrid mode across Kraków and other Polish cities. You will help build a new AI-enabled application platform for investment banking, focusing on clean code, agile methods and high-quality delivery.You will design back-end services with Java Spring Boot,...

Fresha in Warsaw is seeking an AI-augmented Frontend Engineer to own and evolve the core booking and scheduling engine, delivering scalable, consumer-facing features in React + TypeScript.You will collaborate across Product, Design, Backend, and Infra, build with the Fresha Design System, write tests with Cypress/Jest, and explore AI tools to accelerate...

Building the Future of Open FinancePayward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms in the industry, built to advance an open, global financial system.Building the Future of...

📍 Client & contract: lead international bank | B2B | FTE 🗣️ Recruitment: phone screen with our recruiter, technical test, 2 on-line meetings with hiring managers 🗺️ Hybrid work: 6 days per month from the office in Cracow Verita HR is an international company providing recruitment support within #Fintech, #Finance and #Banking market in EMEA. We...

Inetum Polska is hiring a Senior Fullstack Software Engineer (Java & React) 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, delivering new features, integrating backend services and modernizing...

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...

Cerebre is seeking a Senior Frontend Engineer with strong React and TypeScript experience. You will work on a large enterprise-grade frontend that handles complex, interconnected data across modules and visualizations.You will collaborate with backend engineers, product, and design to shape solutions and push performance boundaries. The role emphasizes deep...

HelloFresh in Warsaw invites a senior React Native engineer to join HelloTech, building mobile experiences that power our global brands. You will own mobile architecture, ship features across iOS and Android, and mentor mid-level engineers in a fast-paced, AI-driven environment.This role emphasizes end-to-end ownership, high-quality testing, observability,...

HelloFresh is seeking a senior React Native engineer in Warsaw to own pricing and plan surfaces across HelloTech brands. You will work with React Native and TypeScript, shipping updates to iOS and Android and collaborating with international teams in a modern tech stack.In this role, you’ll drive mobile architecture, ensure price correctness across...

We’re building technology platforms that improve the engineering experience and help teams deliver safely to production. A key focus is automating compliance controls and evidence collection, reducing manual effort and allowing engineers to focus on delivering value. As part of this initiative, we’re developing a Platform Control Automation service that...

Our client is a fast-growing company in the food and gastronomy sector, focused on products and services for home and professional food production: smokers, distillers, yeasts, processing accessories, industry calculators and gift cards. The company runs a retail showroom and customer service office, provides smoking services by the hour, equipment rental,...

Fliff is seeking a Senior Python Engineer to join the Integration team, owning backend features and critical integrations with KYC, geolocation, payments, and other services. You will design, build, and maintain scalable Python/Django components, ensuring reliability and performance across production systems.Ideal candidates bring 5+ years of development...

Senior w zespole AI — projekty obejmują backend oparty na LLM do zamiany dokumentów technicznych w graf wiedzy, rozwiązanie analityczne dla branży automotive oraz systemy AI wspierające inżynierię oprogramowania. Będziesz rozwijać skalowalne systemy AI (LLM, GenAI, agenci), budować komponenty backendowe w Pythonie/FastAPI i wdrażać rozwiązania...

Build and improve data pipelines supporting business reporting and analytics.Automate data processing, validation and reconciliation to improve data quality.Investigate data inconsistencies and optimise existing workflows.Develop tools that turn complex datasets into useful business insights.Work with business and technical teams to deliver reliable,...

Zakres obowiązków:Zaprojektowanie od podstaw hurtowni danych lub lakehouse, z uwzględnieniem środowiska i wymagań klientaZaprojektowanie i wdrożenie warstw bronze, silver i gold w architekturze medallionOpracowanie modelu wymiarowego: tabel faktów, wymiarów i relacji w schemacie gwiazdyAnaliza taksonomii biznesowej klienta, ocena jej dojrzałości...

We are looking for a Senior Automation QA Engineer to join our team in Poland. The role will primarily focus on API testing (80%) with UI testing (20%). You will help design, enhance, and maintain automation frameworks, ensuring efficient and scalable testing. Key Responsibilities: Contribute to designing and improving automation testing strategies. Develop...

Integral Solutions - Data & AI in Warsaw is looking for a Machine Learning Developer with over 3 years of experience. The role includes creating MLOps pipelines and automating CI/CD processes dedicated to machine learning solutions.Ideal candidates will have technical education in Computer Science or Mathematics, excellent Python skills, and experience with...

Who We AreVML is a global creative company that combines brand experience, customer experience, and commerce to create connected brandsthat drive growth. Guided by a Human First philosophy, VML is known for its innovative work for brands and consistently ranks among the world’s leading creative companies, including the WARC Creative 100.VML’s global...