2814 backend developer English-speaking jobs in Warsaw

Data Processing Layer: Advanced C# codebase, including patterns inspired by functional programming Backend ... architectures Ability to operate across the full stack and understand interactions between frontend, backend ... frontend built with React and state management solutions, communicating via GraphQL with a Node.js-based backend

WHAT YOU WILL DO Execute manual and automated tests across APIs, backend pipelines, and analytics outputs ... engineering teams, you’ll balance hands‑on testing with automation to strengthen quality across APIs, backend ... Apache NiFi, S3, or AWS Lambda; Experience testing Looker, Power BI, MicroStrategy, or similar BI tools; Backend

Currently, the Client develops backend API solutions and enterprise integrations for large corporate ... Currently, the Client develops backend API solutions and enterprise integrations for large corporate

happen.Founded by world leaders in communications technology, Aduna opens mobile networks worldwide to the developer ... in an agile, innovative environmentCollaborate with world-class expertsShape industry standards and developer ... on dataWhat We're Looking For8–10 years in product management (API platforms, infrastructure, or developer ... Telecom knowledge (network slicing, exposure, KYC, fraud prevention)Experience with API monetization, developer ... signalsDrive prioritization across a portfolio of APIsCollaborate with engineering on API requirements and developer

Prior experience in a developer enablement, DevEx, or productivity engineering role. ... Desirable Familiarity with Kubernetes, CI/CD, developer portals, and internal platform tools. ... This role is instrumental in unlocking developer productivity, enhancing internal tooling, and embedding ... Identify and prioritize use cases that drive measurable improvements in productivity, quality, and developer ... initiatives and influence without direct authority. 5+ years of experience in software engineering, developer

Join our Financial Crime Product Development team as a Software Developer or Senior Software Developer ... The level (Software Developer or Senior Software Developer) will be determined based on experience, technical

or Senior Software Developer (Java). ... or Senior Software Developer) will be determined based on experience, technical depth, and scope of ... and turns it into actionable insightsJoin our Financial Crime Product Development team as a Software Developer ... engineers who value clean design, thoughtful problem-solving, and technical excellence.The level (Software Developer

Software Engineer (Cloud / Backend)Skills: Java, Go, Python, microservices, GCP SDKsCore Responsibilities

actively involved in the design of various components behind scalable applications, from frontend UI to backend

actively involved in the design of various components behind scalable applications, from frontend UI to backend

Software Engineer (Cloud / Backend)Skills:Java, Go, Python, microservices, GCP SDKsCore Responsibilities

RequirementSoftware Engineer (Cloud / Backend)Skills: Java, Go, Python, microservices, GCP SDKsCore Responsibilities

This role involves both backend and frontend development tasks, with a focus on enhancing security features

high-quality software delivery and enterprise solutions.We are seeking an experienced OutSystems Senior Developer ... improving performance, and maintaining code qualityJob DescriptionSeeking an experienced OutSystems Senior Developer ... tools for multiple environments.Maintain and update technical documentation.Participate in internal developer

You will be responsible for implementing new backend features, developing AWS Lambda functions, designing ... , architects, and product owners, and participation in Agile methodologies.Main tasks:Implement new backend ... Qualifications Must have requirements:Minimum 3 years of experience in Python backend development,Experience ... The candidate should have a strong background in backend development, particularly with Python, and experience

You will be responsible for implementing new backend features, developing AWS Lambda functions, designing ... , architects, and product owners, and participation in Agile methodologies.Main tasks:Implement new backend ... Qualifications Must have requirements:Minimum 3 years of experience in Python backend development,Experience ... The candidate should have a strong background in backend development, particularly with Python, and experience

stability, scalability, and performance of the user interfaceImplement advanced improvements to the backend ... Excellence: Strong experience with ReactJS and state management libraries (specifically MobX or Redux)Backend

infrastructure across AWS, GCP, or Azure Build and maintain CI/CD pipelines supporting frontend and backend ... environments Implement and maintain monitoring, logging, and alerting systems Collaborate closely with backend

Crystal's platform;Active participation in development and maintenance of our data pipelines and backend ... review, assistance and feedback for other team members.Required:8+ years of experience developing Python backend

engineers who want depth, ownership and influence.You will work across the stack using Java on the backend ... longevityRequirements:• Strong commercial experience with at least 5 years of experience using Java in large scale backend