542 backend developer English-speaking jobs in Masovian Voivodeship

Mid Java Developer We are looking for a Mid Java Developer (3–5 years of experience) to design and build ... scalable, high-performance backend services and APIs within a modern tech environment. ... Requirements: Experience: 3–5 years of commercial backend development with strong proficiency in Java ... Tech Stack: Backend: Java 21, Spring Boot, PostgreSQL, Kafka, OpenAPI, Vault DevOps & Cloud: Kubernetes ... Responsibilities: Backend & API Development: Design and build scalable microservices and RESTful APIs

sports card Constant support of dedicated consultant Employee referral program8+ years of professional backend ... services and RESTful APIs using .NET, Build scalable, reliable, and high-performance backend solutions ... Constant support of dedicated consultant Employee referral program ,(Design, develop, and maintain backend

As a Backend Developer, you will work with modern technologies including Kotlin, Kafka, REST APIs, relational ... Your responsibilities: Design, develop, and maintain backend applications supporting customs and logistics ... troubleshooting, performance optimization, and operational excellence Our requirements Experience in backend

We are seeking a skilled Backend Developer to join our innovative team focusing on Risks & Inspections

Developer - 4+ years of commercial experience building and maintaining production-grade backend systems ... Altoros - a leading IT services provider is looking for a Senior Python Developer. ... timely triage and resolution within agreed SLAs Perform root cause analysis (RCA) Investigate and fix backend ... Observability gaps remediation Runbook refinement Minor DevOps improvements Requirements Senior Python Backend

You will work closely with the Senior Design/Developer and backend teams to deliver modular, maintainable ... Integrate front-end applications with REST APIs / backend microservices. ... Hybrid work model: 2-3 days per week from Warsaw's office We are seeking UI/UX Developer with strong ... Collaborate with the Senior Design/Developer to ensure pixel-accurate, design-faithful implementation

They're looking for an experienced Full Stack Developer to join their team in Warsaw on a contract basis ... Position Overview As a Full Stack Developer, you'll take ownership of delivering complete business features ... They're looking for an experienced Full Stack Developer to join their team in Warsaw on a contract basis ... Position Overview As a Full Stack Developer, you'll take ownership of delivering complete business features ... Location: Warsaw Contract Type: 2 MonthsJob Type: Hybrid Build complete business features across backend

Familiarity with a backend language like Java, Go, or Python is a plus. ... Requirements: Python, TypeScript, Backend, Golang, Go, Java, UI, AI, Design system Additionally: Private ... across teams, from system design to deployment., Make impact across all layers of the software stack: backend ... This role is key to how we build the tools and experiences that game developers rely on - from developer-facing ... set direction for how the tools and the shared services behind them come together into a cohesive developer

Qualification HERE’S WHAT YOU’LL NEED: 3 years of commercial experience as a Java Backend Developer Experience ... THE WORK: Design, develop, and maintain backend services using Java 17, Spring Framework, and Spring ... .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

We are looking for a Java Fullstack Developer for our client to enhance and develop business applications ... We are looking for a Java Fullstack Developer for our client to enhance and develop business applications ... This role combines backend development using Java & Spring Boot with creating user interfaces in Angular ... This role combines backend development using Java & Spring Boot with creating user interfaces in Angular ... user interfaces using Angular and TypeScript., Design and develop REST APIs., Integrate frontend with backend

Position: C# .NET Junior Developer trainee (Frontend/Backend/Full-stack)Program: No-Code Lab - IT Trainee ... Position: C# .NET Junior Developer trainee (Frontend/Backend/Full-stack)Program: No-Code Lab - IT Trainee ... Whether you're more into backend, frontend, or full-stack development, this is your chance to gain hands-on ... Whether you're more into backend, frontend, or full-stack development, this is your chance to gain hands-on ... low-code development with traditional coding, Write C# code to enhance platform functionality, Build 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

The Backend Developer (.NET) will have the opportunity to: Design, develop and support backend services ... Tickmill is looking to hire a Backend Developer (.NET) to join our rapidly expanding team.

Contribute to platform tooling that improves developer experience and reduces infrastructure toil. ... Participate in the on-call rotation alongside backend engineers. ... Own infrastructure together with a strong team of backend engineers. ... Python and/or Go familiarity - backend is Python, edge services are Go.

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

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

Senior Full-Stack Developer We are seeking an experienced and versatile Senior Full-Stack Developer to ... What You’ll Do Backend Development: Design and develop server-side applications using Node.js and C#/

Implement backend components using the .NET 4.6.2 stack and C#. ... Implement backend components using the .NET 4.6.2 stack and C#. ... Senior Dynamics 365 Developer Location: Kraków or Warsaw, Poland (hybrid: 6 days/month onsite) B2B ... Contract: 200 – 240 PLN / hour We are looking for an experienced Senior Dynamics 365 Developer to ... Contract: 200 – 240 PLN / hour We are looking for an experienced Senior Dynamics 365 Developer to

We are seeking a Senior Design/Developer to act as the design and front-end technical lead for client ... Partner with backend/API teams to ensure front-end designs are technically feasible within service and ... Nice-to-Have: working knowledge of Java or .NET (for backend collaboration/awareness — not a core build ... Stability High level of autonomy and independence Senior role: The chance to act as a Senior Design / Developer

You will be: designing, developing, and enhancing backend services using Scala, optimizing the performance ... Your profile: 5+ years of commercial experience in Scala backend development, strong experience building ... and maintaining scalable backend applications, solid background in system performance tuning and optimization ... delivery, ability to analyze, troubleshoot, and resolve complex technical issues, strong understanding of backend