2799 backend developer English-speaking jobs in Poland

Role (Senior) Backend Developer (Node.js) – Join a team of engineers transforming final‑mile logistics ... Requirements 3+ years (6+ years for senior position) of backend development experience with a strong ... Key Responsibilities Develop, optimize, and maintain backend services and APIs that power our logistics ... Design and implement scalable, high‑performance solutions using Node.js and other modern backend technologies

Spring Boot SQL PostgreSQL MySQL MongoDB AWS Azure about-project : We are looking for a Senior Java Developer ... Proven experience building and maintaining backend services and APIs at scale. ... requirements-expected : 5 -15 years of professional backend development experience. ... responsibilities : Design and develop backend architecture for fintech products and platforms. ... Work closely with US-based teams to translate product requirements into robust backend solutions.

2 days at the office, full-time For our Client from banking industry we are looking for Senior Java Developer ... The role will: Participate in a design of backend for ‘home journey’ applications Engage with business ... We are looking for a Strong Senior and Tech Lead skilled in Backend development for Java based applications ... and understand their expectations, needs and business logic Develop new features in backend applications

Develop and enhance Java applications for taxation, account management, and investment processing in the banking sector.

The opportunity As a Senior Kotlin Backend Developer in Consulting, you will participate in various streams ... Your key responsibilities Work as a Senior Kotlin Backend Developer in creating a new application based ... Skills and attributes for success Excellent knowledge of Kotlin especially in the context of creating backend

The opportunity As a Senior Kotlin Backend Developer in Consulting, you will participate in various streams ... Your key responsibilities Work as a Senior Kotlin Backend Developer in creating a new application based ... Skills and attributes for success Excellent knowledge of Kotlin especially in the context of creating backend

Job Description As a Senior Backend Developer give support to the Technical Lead & Junior developers, ... Developer with more than 7 years in IT, specializing in designing and implementing scalable backend ... Work together our “technical leads” helping them in the adoption of modern backend architecture. ... We need somebody like you to help us in different fronts: Design, develop, and maintain backend systems ... inside the product: Software delivery, best practices WHAT WE ARE LOOKING FOR Highly experienced Backend

Senior Node.js Developer – Digital Advertising and Backend SolutionsMiejsce pracy: WarszawaTechnologies ... You will join a dynamic team focused on developing and maintaining cutting-edge backend applications ... forward-thinking environment fostering growth and innovation.Your responsibilitiesDevelop and maintain backend ... useExpectedNode.jsTypeScriptNestJSFastifyMongoDBRedisAWSS3JavaScriptGitGitHubBashOptionalReact.jsJenkinsDatadogJestJasmineKarmaCypressAbout the projectAs a Senior Node.js Developer

As a Mid-Level Java Backend Developer , you will be working for our client to support critical shared

You will join the team and take responsibility for the development and maintenance of backend applications ... almost fully remote work model (only 1 day in the office/month)responsibilities :Develop and maintain backend ... development of the advertising ecosystem (R&D).Shape the Future of Digital Advertising as a Senior Node.js Developer ... Node.jsTypeScriptNestJSMongoDBRedisAWSJavaScriptGitGitHubBabeltechnologies-optional :React.jsNoSQLUnixJenkinsJestJasmineKarmaCypressabout-project :As a Senior Node.js Developer

Role overview: Design and implement backend modules, including services and APIs Build software that ... For our client we are looking for candidates for the position of Senior Java Developer (M/K). ... documentation Conduct and participate in code reviews Share best practices through internal and external developer

Angular TypeScript JavaScript Git RxJS about-project : We are looking for an experienced Angular Developer ... focused on building clean, responsive and user friendly frontend solutions, working closely with design, backend ... designs based on Figma materials Write and maintain frontend tests Collaborate with UX/UI designers, backend

architectures) and are highly willing to work as a full-stack developer by actively learning and writing ... leveraging specialized AI agents to automate UI generation and layout logic, effectively redefining how Developer ... requirements-expected : Are Polyglots at Heart: Have a strong background coding in Kotlin (and backend ... responsibilities : We are looking for a Software Engineer with a strong background in Kotlin and backend ... Are Life-long Learners: Want to constantly develop their knowledge, not only regarding backend software

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

A Day in the Life of Our Senior Backend Developer Work with a tech stack that includes Java and .NET ... About the Role As a Senior Backend Developer, your primary role will be product development for complex

Location : Kraków / Hybrid/ Remote from Poland Your daily work will include: Develop and maintain backend

Previous experience building internal AI platforms or developer tooling. ... Backend & Architecture: Strong understanding of backend systems, APIs, database management (Postgres) ... Exposure to Kotlin and building/maintaining Kotlin backend services. ... Scale Backend Infrastructure: Deploy containerized ML services using Kubernetes on GCP, integrating them ... Technologies: Work seamlessly in a polyglot environment, bridging Python‑based ML services with Kotlin backend

Previous experience building internal AI platforms or developer tooling. ... Backend & Architecture: Strong understanding of backend systems, APIs, database management (Postgres) ... Exposure to Kotlin and building/maintaining Kotlin backend services. ... Scale Backend Infrastructure: Deploy containerized ML services using Kubernetes on GCP, integrating them ... Technologies: Work seamlessly in a polyglot environment, bridging Python‑based ML services with Kotlin backend

Previous experience building internal AI platforms or developer tooling. ... Backend & Architecture: Strong understanding of backend systems, APIs, database management (Postgres) ... Exposure to Kotlin and building/maintaining Kotlin backend services. ... Scale Backend Infrastructure: Deploy containerized ML services using Kubernetes on GCP, integrating them ... Technologies: Work seamlessly in a polyglot environment, bridging Python‑based ML services with Kotlin backend

at scale Experience with multi-cloud deployments and cost optimization Track record of improving developer ... We need a Senior Backend Engineer with a strong focus on Go who can architect scalable systems, ship ... What You'll Do Design and implement high-performance backend services in Go Build and maintain cloud ... You'll have direct impact this isn't a cog-in-the-machine role Own the entire backend architecture and ... Join early, grow with the company, and help define engineering excellence To Apply Tell us about a backend