992 backend developer English-speaking jobs in Warsaw

Senior Fullstack Developer (Angular & Java) – AI-enabled EnvironmentSenior Fullstack Developer (Angular ... The project combines frontend and backend development, microservices architecture, and AI-enabled tooling ... Will DoDevelop and maintain frontend applications using Angular and TypeScriptDesign and implement backend ... current regulations on gender equality between women and men (Royal Decree-Law 6/2019).Senior Fullstack Developer ... qualityQualificationsWhat We Are Looking ForCommercial experience with Angular and TypeScriptCommercial experience in Java backend

user interfaces in Vue.js, while leveraging your .NET background to build and integrate supporting backend ... from Scratch: Help design and develop a greenfield retail dashboard application using C# / .NET on the backend ... We are looking for a strong Regular Fullstack Developer (Vue.js + .Net) to join us on a freelance basis ... What we’re looking for Commercial Experience: 3+ years of hands-on experience as a Fullstack Developer ... will be part of a focused, self-sufficient two-person engineering team (working alongside a Senior Developer

)Background in QA or testing automation—understanding quality from first principlesContributions to developer ... engineers, deeply integrated with AI tools, can outperform larger traditional teams in speed, quality, and developer ... Our stack runs on AWS with PHP/Laravel and Node.js/NestJS powering the backend services, and React with ... novelties.What You Will Be Responsible ForOwn and deliver features end-to-end across the full stack (backend ... Looking For5+ years of professional software engineering experience with meaningful exposure to both backend

We are looking for a Smart Contract Developer to design, develop, test, and support secure Solidity smart ... architecture, testing, security, deployment, documentation, and collaboration with Web3 frontend and backend ... Collaborate with frontend developers on ABI and contract‑integration requirements Collaborate with backend ... stablecoins or digital‑payment systems Familiarity with Web3 frontend integration Understanding of backend

Backend Developer with Frontend skills as a plus Workplace: An office in Warsaw, possibility to work ... Conduct performance profiling and tuning on backend systems to achieve optimal efficiency. ... Job title: Senior Backend DeveloperLocation: PolandWork mode: 100% remoteType of cooperation: B2B contractSalary ... 100% remotely Responsibilities: Design and implementhighly scalable and performant backend systems, ... Develop complex, scalable backend services from the ground up using cutting-edge technologies such as

As an Angular Developer, you will contribute to modern web applications, focusing on intuitive user experiences ... The project combines modern web technologies, backend services and data engineering to deliver reliable ... and develop scalable, high-quality web applications using Angular Collaborate with UX/UI designers, backend

Backend Integration: Create robust interfaces between the UI and backend Python execution engines (e.g ... Backend Integration: Create robust interfaces between the UI and backend Python execution engines (e.g ... We are looking for a Python Developer to join our growing UI/Visualization team in Wroclaw or Warsaw. ... What you can look forward to as a Python Developer - Interactive Web Applications (Dash/Streamlit) (m ... Your Profile as a Python Developer - Interactive Web Applications (Dash/Streamlit) (m/f/d): At least

Stanowisko: Senior Backend Java DeveloperAs a recruitment company, DCG understands that every business ... for our partners, we are currently looking for:Responsibilities:Design, develop, test and maintain backend ... services for digital banking platformsDrive backend testing activities within an agile teamEnsure delivery ... API and performance testingHands-on experience with Cucumber and WireMockProven experience in driving backend ... cross-functional agile team delivering customer-facing digital banking servicesRequirements:Strong experience in backend

Python Developer, you will work on backend services and APIs that connect the user-facing platform with ... developmentExperience building REST APIs and backend servicesGood understanding of microservices and ... and combines employment with enjoyment.Job DescriptionProject - the aim you'll haveWe are looking for Backend ... a web interface and APIs.The project focuses on extending existing platform capabilities, improving backend ... standards.QualificationsExpectations - the experience you needStrong commercial experience with Python backend

Responsibilities Backend & Pipeline Development: Design and develop scalable backend services and high-performance ... development mindset: Comfortable utilizing AI tools to accelerate delivery, while maintaining strong developer ... Requirements 8 years of professional backend software development experience (with a strong track record

Senior Full-Stack Mobile Developer Salary: $50/hour on B2B 100% Remote We're looking for a Senior Full ... Stack Mobile Developer for an international technology group delivering large-scale digital solutions ... Develop shared cross-platform business logic, primarily with Kotlin Multiplatform Build and maintain backend ... architecture components Advanced Kotlin skills and command of modern mobile architecture patterns Hands-on backend

We are currently looking for an experienced Senior Fullstack Developer to join an international team ... You will work in a hands-on development role across both backend and frontend technologies, contributing ... with expertise in backend and frontend development Excellent knowledge of Java and Spring Boot Proven ... demands: 10 years of professional experience in software development Strong experience as a full-stack developer

Designing developer-facing SDKs used by external customers. ... What we're looking for 4+ years building backend services and public APIs in production. ... Strong in Python and modern backend frameworks (FastAPI or similar), comfortable across TypeScript/Node.js ... The role Every developer who builds on StackAI works through your API, and every customer who wants ... Design, version, and evolve the API and SDKs that StackAI customers build on, and keep the developer

On behalf of AdTech Client #1, SD Solutions is looking for a talented Software Developer to join our ... to the development, enhancement, and maintenance of our main platform by actively engaging in both backend

We are looking for someone who is not only an excellent Python developer, but also thinks architecturally ... robust REST APIs, microservices and backend integrations Own backend features from architecture and ... CyberproAI is looking for a highly experienced Senior Backend Engineer with strong, hands-on Python expertise ... You will work closely with engineering, product and AI teams to design and develop backend services, ... What You'll Do Design, build and maintain scalable backend applications and services using Python Develop

We are looking for an experienced Go Developer who enjoys building scalable applications, developing ... Your responsibilities Design and develop backend services and internal tools using Go. ... Experience designing and developing backend applications, APIs, or engineering tools.

Collaborating closely with Backend Developers, Business Analysts, Test Engineers and EFM users to clarify ... The consultant will join the Sunray team and work together with the current Frontend Developer on the ... support responsibilities during January and February 2027 to ensure continuity while the current Frontend Developer

Responsibilities Design, develop, and maintain backend services using Java 17+, Spring Framework, and ... knowledge sharing are part of daily work Qualifications 3+ years of commercial experience as a Java Backend ... Developer Experience with Nasdaq Calypso software Strong knowledge of Java 17+, Spring Framework, and ... .x Experience with messaging platforms such as ActiveMQ/JMS, Kafka, or RabbitMQ Experience with SQL Developer ... messaging systems such as Kafka, JMS/ActiveMQ, or RabbitMQ Develop and optimize database queries using SQL Developer

GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce ... monoliths or event-driven systems.Public technical communication, open-source maintenance, or experience in developer-focused ... Engineer, you will design, implement, and evolve product capabilities while solving high-scope backend ... Expertise: A strong command of backend architecture, APIs, data systems, and performance tuning in a ... complex product or service environment.Adaptability: Proficiency in modern backend languages and a deep

About The RoleWe're looking for a Senior C# Developer to help design and build robust, scalable backend