2763 backend developer English-speaking jobs in Warsaw

security of applications at all times requirements-expected : Minimum 5 years of experience as a Java developer ... services implement and optimize frontend and backend code for performance and scalability, ensuring ... robust RESTful APIs with Java and Spring technologies, ensuring smooth data flow between front and backend

Developer - Power the Engine of Next-Gen Payments Senior Java Software Engineer - Full Stack Java Backend ... Engineer (L4/5) - Enablement Apps Team Java Software Engineer - Engineering - Associate - Warsaw Java Backend

SQL and ORM technologies (JPA2, Hibernate), PostgreSQL You are open to the approach of a full-stack developer ... (incl. testing, web frontend, backend, monitoring, DevOps thinking, data) and have experience with test ... technologies requirements-expected : You have sound professional experience in Java development in the backend

SQL and ORM technologies (JPA2, Hibernate), PostgreSQL You are open to the approach of a full-stack developer ... (incl. testing, web frontend, backend, monitoring, DevOps thinking, data) and have experience with test ... areas and technologies Your Profile: You have sound professional experience in Java development in the backend

developer Availability to visit office sites, subject to necessity Nice to have Experience with monitoring ... From building a new financial backend to creating an innovative app, there’s nothing our Tech team can ... databases (e.g., Postgres, MySQL) Experience with continuous delivery using Kubernetes Experience as a backend

On behalf of NDA, Manufacture (Smart Plants) , SD Solutions is looking for a talented Full-Stack Developer ... , Sentry ) Own performance, observability, and reliability of the frontend experience Contribute to backend

Developer background would be nice to have. ... Requirements 5+ years of backend QA engineering experience. ... Experience testing backend services such as APIs, Databases, distributed services (non-monolithic). ... QA Engineer (mid to senior level) to drive and support Integration Testing of our high-performance backend

You’re an experienced Rust developer or systems architect who: Builds reliable, fast, and secure services ... Must-haves: 4+ years in systems/backend engineering, 2+ years in Rust. ... We’re moving away from legacy regional stacks and designing a global backend infrastructure that’s modular ... What We Offer Critical role in shaping the system’s backend from scratch Direct architectural ownership ... Our growing team includes frontend and backend engineers, designers, and product managers many with experience

Why Is this role open? Our client needs a seniorengineer who lives and breathes SQL performance to get them ahead of that curve (I. e. prep &plan to scale up data volumes immensely! ).

Hybrid role based in Warsaw, Poland Join Our Mission Help ambitious founders scale their businesses through innovative financing solutions. We value curiosity, continuous learning, and impactful problem-solving. Tech You’ll Use Core : Java 21, Spring Boot/Cloud 3. 3 Infra : GCP, Kubernetes Databases : SQL/NoSQL (picked per use case) Your Impact ️ Build secure microservices for financial systems.

B2B Contract position, working remotely from Poland What You'll Be Doing We're looking for Backend ... business goals, ensuring everyone's on the same page and moving forward together Our Tech Stack Backend

This is a Permanent EoR role and not a B2B Contract YOUR ROLE & MISSION As a Senior Backend Software ... DAILY ADVENTURES & RESPONSIBILITIES Design and implement highly scalable backend endpoints Gather product ... stack is React.js/Redux/Node.js on the front end, Ruby/Ruby on Rails/MongoDB/Redis/Elasticsearch on the backend ... bringing creative ideas to the hands of our users QUALIFICATIONS Minimum 5 years of industry experience in backend

Ensure backend services are secure, reliable, and high-performing. ... What You Bring 5+ years of professional backend development experience. ... Optimize backend systems for high-throughput and low-latency performance. ... Responsibilities Architect, develop, and maintain scalable backend services using Node.js. ... About the Role Our client is looking for an experienced Backend Engineer (JavaScript/Node.js) to join

In this role, you’ll be responsible for developing microservices in a distributed deployment environment with an emphasis on containerisation with Docker and K8S. You won’t just be writing simple CRUD applications, but instead will be working on the core logic of complex systems that are accessed millions of times a day.

ABOUT THE ROLE We are looking for a Backend Engineer in our Payments domain. ... framework ● Experience with MySQL and Kafka ● Familiarity with microservice architecture ● Being not only a developer

Position: Backend Software Engineer Location: Gdańsk, Poland | Remote About the Role: Atlassians can ... Your background: 4+ years of experience in building and developing backend applications; Experience in ... sharing your expertise; Ensure complete visibility, error reporting, and monitoring of high-performing backend

Developer (all genders) Full-Stack Software Engineer (L4/5) - Enablement Apps Team Software Engineer ... Software Engineer, Early Career, 2025 Start Software Engineer (L5) — Developer Platform Internship: Front-End ... You Will Enjoy Working With Us If You Are passionate about building top-tier, robust, and scalable backend ... Love brainstorming with fellow backend and UI engineers, product designers, product managers, and directly ... Your Day-to-Day Work cross-functionally to build, test, deploy, and launch backend services that operationalize

Python Backend Junior Software Engineer - Remote 4 days a week (Europe) Warsaw, Mazowieckie, Poland $30,000.00 ... models to optimize system performance Requirements: 3+ years of professional experience as a Python Developer ... Referrals increase your chances of interviewing at Astek by 2x Sign in to set job alerts for “Python Developer

Design and develop a web platform that meets web-performance requirements; ️Close collaboration with Backend ... We're looking for a Senior Front-End Developer (React) to join our team at the office in Warsaw. ️ ... 5 years commercial experience in web development; ️3+ years of commercial experience as a frontend developer

Backend Collaboration: Collaborate closely with backend engineers to determine required APIs and backend ... Engineer (with TCP/IP networking experience) Senior Frontend Engineer, Launchpad (React) Senior Frontend Developer ... Collaborating closely with product managers, designers and backend engineers, you will bring innovative ... Maintain clear communication channels to ensure smooth integration of frontend and backend components