1594 backend developer English-speaking jobs in Warsaw

About position: We are currently building our talent pool for future Senior Frontend Developer (React ... TL;DR • Who: Senior Frontend Developer (React) • Contract Type: B2B Framework Agreement • Salary range ... You will be the best fit if you have: • 5 years of experience as a Frontend Developer, with strong expertise ... defining project requirements, to designing, building, and deploying software applications for web, backend ... approaches (e.g., Redux, Zustand, or similar). • Experience with RESTful APIs and integration with backend

developer frontend developer fullstack developer technical leader automated test programmer This is ... In this role, you will design and develop APIs and backend services that support everything from instructor ... planning tools, and platform integrations Ensure high performance, reliability, and scalability of backend ... including CI/CD, automated testing, logging, and monitoring Translate UI/UX requirements into reliable backend ... influence on the technological solutions applied you have influence on the product agile Team members backend

The Role We are looking for a Senior .NET Developer to join a high-performing delivery team supporting ... Build scalable backend solutions powering the next generation of digital trading experiences. ... You will play a key role in designing, developing, and maintaining backend services and integrations ... This role is ideal for someone with strong backend engineering expertise, solid database development ... What You’ll Do Design, develop, and maintain backend services and APIs using .NET Framework technologies

We are looking for a Senior Java Developer to join our team in Poland and contribute to the development ... Requirements 5 -15 years of professional backend development experience. ... Design and develop backend architecture for fintech products and platforms. ... Proven experience building and maintaining backend services and APIs at scale. ... Participate in code reviews and continuously improve backend quality and engineering standards.

Solid experience with Java and Spring Boot in backend development. ... Responsibilities Design scalable backend solutions using Java and Spring Boot. ... Position Regular Software Developer / Implementation Engineer (Java) – join our long‑term development ... Qualifications 1–3 years of commercial experience as a Software Developer or Implementation Engineer

This role is ideal for an experienced Go developer who enjoys building distributed systems, solving complex ... international technology environment where you will contribute to the development of scalable, high-performance backend ... (depending on candidate availability) Your responsibilities: Design, develop, and maintain scalable backend

We are looking for an experienced Python Developer responsible for developing and maintaining backend ... Key Responsibilities Design, develop, and maintain scalable backend applications using Python Build and ... related fields, or equivalent experience Nice to have: Experience in creating, testing, and maintaining backend

We are looking for a performance-driven backend Senior Node.js Developer who can help us bring our client's

You are A seasoned backend developer with at least 4 years of experience in Node.js and TypeScript. ... Your impact zone Design, develop, and maintain backend services in Node.js and TypeScript Build and scale ... reviews, and tech discussions Key responsibilities Collaborate with the team on designing scalable backend ... years of experience in Node.js, JavaScript/TypeScript Strong command of Express.js, REST APIs, and backend

Google Apigee Developer (Apigee Edge / Apigee X) Miejsce pracy: Warszawa Technologies we use Expected ... Build scalable RESTful APIs and integrate them with backend services. ... Platform Google Analytics Apigee Edge OAuth 2.0 OAuth About the project We are looking for an Apigee Developer ... The role involves developing scalable API solutions using Google Apigee, integrating backend systems, ... You will work closely with architects, backend developers, DevOps engineers, and business stakeholders

Solid understanding of backend web development with Node.js; relational databases (PostgreSQL preferred ... programming skills in TypeScript, JavaScript, and Node.js—with full-stack experience across frontend and backend ... responsibilities : Collaborate with a global development team to build and support our internal developer ... Experience working with or building Internal Developer Portals (IDPs); experience building custom custom ... Passion for developer experience—you care about making other engineers’ lives easier through great tooling

Location : 100% remote Tasks Integrate AI and LLM APIs into backend services while managing data flow ... Development, Software Engineering, or Systems Architecture Hands-on experience with Python and backend ... Computer Science, Software Engineering, or a related technical field At least 2 years of experience in Backend

We're seeking an experienced & energetic Backend Developer specializing in TypeScript/JavaScript/.NET ... This role focuses on transforming backend systems, emphasizing proactive development and team empowerment ... Key Requirements: At least 5-6 years of experience as a Node.js Developer. 2-3 years of experience

Your Role As a Mid Java Developer, you’ll work on real-world backend systems used by thousands of users ... Responsibilities -Develop and maintain backend services in Java (11) using Spring Boot -Implement and ... work from our office near the Plac Wilsona metro station 3–5 years of commercial experience as a Java Developer

developer frontend developer fullstack developer technical leader automated test programmer This is ... You will work hands-on with backend services, cloud infrastructure, model serving, observability, and ... Professional experience building backend services in Python; experience with Java, Kotlin, Go, C, or ... Partner with ML Engineers to integrate models into scalable backend services and real-time recommendation ... influence on the technological solutions applied you have influence on the product agile Team members backend

We are looking for Senior Backend Developers with strong Java backend expertise to join the team and ... reliable, and maintainable backend solutions. ... support development of scalable, reliable, and maintainable backend solutions. ... The role includes backend development, system integrations, API design, event-driven architecture, and ... Senior: 6+ years of commercial backend development or Mid: 4+ years Strong Java 21+ and Spring Boot 3

Your responsibilities Design, implement and maintain backend services using modern Java (versions 17– ... Senior Fullstack Developer Miejsce pracy: Warszawa Technologies we use Expected Java Spring Boot Kafka ... principles - Version control with Git and CI/CD with GitLab CI (required) - Familiarity with Kafka in both backend ... Angular SQL Git GitLab Jira Confluence Operating system Windows About the project Senior Fullstack Developer ... experience, with senior-level, hands-on delivery on large-scale applications. • Strong fullstack background; backend-only

build and enhance next-generation trading and backend platforms . ... We are looking for an experienced Senior C++ Developer to join our client’s engineering team and help

MapReduce Oozie Git Ansible Bamboo Jenkins Optional Java Flink Kafka Your responsibilities Work within the Backend ... Growth Opportunity: Potential to evolve into an Expert IT Developer role. ... Senior Hadoop Big Data Developer Miejsce pracy: Warszawa Technologies we use Expected Hadoop Scala Linux

requirements-expected : minimum 4 years of commercial experience as a Fullstack Developer experience ... Vue, JavaScript, TypeScript, HTML, CSS) experience with backend development (e.g. ... Our work focuses on developing modern, scalable applications across both frontend and backend layers, ... in both frontend and backend development experience with infrastructure and deployment environments ... responsibilities : We are looking for engineers who are comfortable working end-to-end, from UI to backend