Praca dla javascript back-end developer w Warszawa

Databases: PostgreSQL AirHelp is a global travel tech company on a mission to make every journey smoother. We built our name helping millions of travellers claim the flight compensation they're owed - and that's now the foundation of a broader platform of travel protection and convenience products spanning the entire journey. As we continue to scale our...

Joining Moderna means advancing mRNA science to transform medicine. Work with exceptional global teams on a broad pipeline and build a career that makes a real difference for patients. Moderna is strengthening its international business services hub in Warsaw, supporting our growing global operations. We welcome professionals ready to help advance our...

Polcode is a Poland-based software house delivering web, mobile, and eCommerce products for clients worldwide. You will independently own the implementation of payment modules for PrestaShop and WooCommerce as the sole developer on this project—driving REST API integration, security, and end-to-end delivery.We offer a short, clearly scoped engagement...

INFUSE in Warsaw is seeking a Team Lead Full Stack Developer to drive end-to-end solution delivery within our PMO department—leading a cross-functional team, shaping architecture, and ensuring high-quality, on-time releases.You will architect scalable frontend and backend systems, design APIs, and collaborate across teams to translate business needs into...

Infuse is seeking a Mid-to- Senior Full Stack Developer to drive end-to-end solution delivery within our PMO department, leading cross-functional teams, shaping architecture, and ensuring high-quality, on-time releases.Your role will involve building responsive frontend components (React/Vue), designing scalable backend APIs, and integrating third-party...

A cutting-edge AI technology firm in Warsaw is seeking a seasoned software developer with over 5 years of experience. You will be responsible for developing sophisticated AI-driven business solutions using Python and JavaScript, along with cloud platforms and containerization technologies. Strong understanding of relational and KV databases is essential....

Sii Poland is seeking a Senior Front-end Developer with Angular to join our team responsible for developing and maintaining business-critical applications across multiple countries. The role focuses on modernization, scalability, and high operational standards in the vehicle leasing and fleet management domain.You will design, develop, and maintain modern...

SimCorp is seeking a skilled .NET Developer to join our Investment Operations product area in Warsaw. You will contribute to enterprise products, collaborating with colleagues across Ukraine, Poland, Denmark and Germany, and grow expertise in applied finance and modern software engineering practices.You will work in a self-organized Scrum team, developing...

5Blue Software is seeking a hands-on Full-Stack Developer to join our core R&D team and help build an AI-powered B2B SaaS platform. You will work across the stack, shaping architecture, implementing features, optimizing performance, and mentoring teammates to uphold high standards.This is your chance to contribute to an IT auditing platform for SaaS...

Harvey Nash Poland is seeking a Full Stack Developer for an international financial company in Warsaw, requiring 3 days in the office weekly. You will build and own integrations between enterprise systems and HR SaaS platforms, lead end-to-end delivery, and design robust RESTful APIs for modern and legacy interfaces.The role demands 5+ years in software...

Job DescriptionPoszukujemy samodzielnego Developera, który przejmie odpowiedzialność za realizację zadań w modelu end-to-end – od analizy problemu i zaprojektowania rozwiązania, przez implementację, aż po testy i wdrożenie. To rola dla osoby, która lubi pracować blisko produktu, sprzętu i użytkownika końcowego, a także potrafi skutecznie...

voize is seeking an Android developer to own the development of our Android apps using Kotlin and Jetpack Compose. You will collaborate with product and engineering to turn ideas into launches, delivering features that simplify frontline workflows.Join a mission-driven team building AI companions to ease daily tasks. Excellent English is required, and you...

Us3 Consulting is seeking a Senior Full-Stack .NET Developer to deliver end-to-end business features across backend APIs, frontend applications, databases, and cloud-connected services.You will work across the full application stack, building robust solutions with C#, .NET, ASP.NET Core, React, TypeScript, SQL/NoSQL databases, and cloud services. This is a...

AirHelpis aglobal travel tech companyon a mission to make every journey smoother. We built our name helping millions of travellers claim the flight compensation they're owed - and that's now the foundation of a broader platform of travel protection and convenience products spanning the entire journey.As we continue to scale our products and services, quality...

Location: Warsaw, PolandFormat: On-siteSeniority level: Senior At EPC Network, we're not just a digital marketing company, we're a platform for career transformation and personal growth. Our people-first approach shapes our corporate culture, fostering a team of passionate, smart, and energetic individuals who strive to grow professionally in an...

Base.com in Warszawa seeks a Business Intelligence Developer to lead end-to-end BI development, turning data into insights that shape growth. You will own requirements, data ingestion, warehousing, and reporting, delivering robust dashboards and data models for strategic decisions.The ideal candidate has deep SQL expertise, advanced Power BI skills, and...

EPAM Systems, Inc. is seeking an experienced Senior React Native Developer to join our team in Poland. You will build high-quality cross-platform mobile apps, leveraging Expo/EAS for builds and submissions and implementing robust state management.You will work in a hybrid setup (3 days in office) across multiple Polish offices, collaborating with designers,...

DXC Technology Inc. in Poland is seeking a Senior SAP HCM Full-Stack Developer to join their BizDevOps team. The role involves designing, testing, and maintaining SAP HCM systems, focusing on full-stack development using SAPUI5 and JavaScript.Candidates should have at least 5 years of experience in SAP software development, with expertise in OO-ABAP and...

Citi in Warsaw is seeking an experienced Java developer to join the Risk Technology Team. You will contribute to the end-to-end delivery of risk solutions for rates and derivatives, collaborating with a global client base.The role requires 8+ years of Java with Spring Boot and microservices, plus hands-on experience with Kafka, Docker, Kubernetes, SQL and...

Polcode is seeking a strong Mid/Senior Full-Stack Developer (.NET + React) to join an ongoing project for an Israel-based client in the insurance domain. The role covers backend-heavy development, REST APIs, and cloud migration to a SaaS model, with frontend work in React and RTL/Hebrew support as needed.Remote within Poland or in Warszawa office. You will...