494 backend developer English-speaking jobs in Łódź Voivodeship

We are looking for a Senior Backend Developer to join our Optimization Team at Programmers Force. In this role, you will focus on optimizing backend systems for performance, scalability, and efficiency while working on large-scale, high-traffic workloads. Your responsibilities will include refactoring backend code, improving database queries and indexing, troubleshooting bottlenecks, and collaborating with cross-functional teams to scale backend architecture. You will ensure systems remain secure, reliable, and efficient while mentoring junior team members and enhancing test coverage. The ideal candidate has 4+ years of backend development experience with strong expertise in PHP (Laravel), Node.js, Python, MongoDB, and relational databases (MySQL, PostgreSQL). You should also be proficient in API development (REST/GraphQL), performance optimization, Docker, Git, and CI/CD practices. Experience with Redis, RabbitMQ, AWS/Azure, and backend security best practices will be considered a plus.

: from 18000 pln to 24000 pln brutto JAVA DEVELOPER BACKEND Gdańsk/ Lodz/Warsaw What you’ll be doing ... SENIOR JAVA DEVELOPER LOCATION: GDYNIA, GDAŃSK, ŁÓDŹ, WARSZAWA TYPE: HYBRID (4 time a month) SALARY ... as Senior Java Developer: -Developing code and assuring code quality, -Cooperating with your team: developers ... PLEASE SEND YOUR CV TO [email protected] with title „SENIOR JAVA DEVELOPER'' In accordance

Job Description We are looking for a Regular Backend Developer to join our team.

Lead Full Stack Developer As a Lead Full Stack Developer at Mozaiq, your role will be both strategic ... Solid backend development experience with API development. ... Utilize GraphQL, and REST API for integration with the backend. ... high-quality web solutions, with a focus on developing the frontend using Next.js & React and managing the backend ... scalable headless web applications using React, and Next.js for the frontend and WordPress for the backend

As Backend Developer, you will contribute to development and buildout of components of our customer' ... enter new markets, and improve customer experiencesAbout the RoleWe seek a highly skilled and motivated Backend ... resolve issues, bugs, and performance bottlenecks, ensuring the reliability and scalability of the backend ... Telecommunication and/ or similar.At least 4 years of commercial experience in developing cloud based, backend ... documentation and quality.What You Will DoDesign, architect, and develop robust, scalable, and high-performance backend

an Expert IT Developer role. ... You will join the Backend Application Capability Team, which supports key initiatives within the IT/Technology ... Overview We are looking for an experienced Hadoop / Big Data Developer with the potential to grow into

Backend Developer (Node.js/typescript) Location: 100% remote (EU-based) Contract type: B2B Working time ... About the role We’re looking for a Node.js Developer to join our international, cross-functional team ... Your responsibilities Design, develop, and maintain backend applications using Node.js and TypeScript ... Collaborate with frontend developers to integrate user-facing elements with backend logic Develop and ... You’ll work closely with product managers, designers, and engineers to develop and maintain backend services

- Familiarity with Spring Boot or similar backend frameworks. ... A clear, structured growth path from testing specialist to full-stack developer. ... This position offers a structured growth path toward becoming a proficient full-stack developer with ... Track and improve test coverage metrics across backend and frontend codebases. ... Build and integrate Angular components with backend APIs using HAL/HATEOAS patterns.

Fullstack Developer (Backend-focused) Miejsce pracy: Łódź Technologies we use Expected PostgreSQL MongoDB ... developer frontend developer fullstack developer devOps product owner This is how we work on a project ... or full stack developer). ... Extensive experience in building backend applications using Node.js. ... Proven experience working with RESTful APIs and integrating complex backend systems.

We are looking for a Backend Developer to join our experienced and agile team on a long-running, backend-intensive ... Senior Backend Developer SKILLS: GO | Rust | NoSQL | PostgreSQL | .NET B2B: PLN 130 - 170 / Hour LOCATION ... Here’s a set of skills we require: Strong experience in backend development, ideally using .NET . ... and Requirements: A Roadmap to Your Professional Success Scope of responsibilities: Own and evolve backend

We’re looking for a Senior Backend Developer to join our Order Management team. ... Our requirements: 5 years as a Backend Developer , including 3 years with Golang.

Join to apply for the Fullstack Developer (Backend-focused) role at BSH Sprzęt Gospodarstwa Domowego ... or full stack developer). ... Extensive experience in building backend applications using Node.js. ... Proven experience working with RESTful APIs and integrating complex backend systems. ... minimum of 3 years of experience in software development focusing on the TypeScript tech stack (as a backend

Responsibilities Design and implement backend services and APIs in Go Build CLI tooling with Cobra to ... Go Developer (with DevOps skills) - Smart City We are currently working with Arrive, a leading global ... Join us and play a key role in shaping services, developer tooling, and platform practices. ... Overview Are you a passionate Go Developer who thrives on building performant APIs and tools, and enjoys ... improve developer workflows Write clean, maintainable, and well-tested code Ensure performance, scalability

Innovate online banking and join the team as a Senior .NET Developer! ... As a Senior .NET Developer you will be working for our client, a leading company in the online banking ... You will play a key role in developing and implementing backend systems that ensure high performance ... Your main responsibilities: Implement backend solutions using .NET Core, .NET Framework, and MS SQL Ensure ... technical leadership You're ideal for this role if you have: At least five years of experience in backend

We are looking for a full-stack developer with a backend focus, but frontend skills will come in handy ... necessary data What you bring: Hands-on development experience in Java or Kotlin, with a focus on backend

We are looking for a full-stack developer with a backend focus, but frontend skills will come in handy ... necessary data What You Bring Hands-on development experience in Java or Kotlin, with a focus on backend ... Developer (Java + React) - Smart City (Junior) Back-end Developer (.NET) | Deloitte | Poland Software ... Software Developer (.NET + Node.js) - Smart City Software Developer (Java + React) - Smart City Software ... Engineer (relocate to London) Software Engineer Intern (relocate to Milan) Senior Full Stack Developer

Join Our Tech Team as a Senior Back-end Developer with E-commerce Expertise! ... Core Tech Expertise: At least 3 years of professional experience as a Back-end Developer with Node.js

or full stack developer). ... Extensive experience in building backend applications using Node.js. ... Proven experience working with RESTful APIs and integrating complex backend systems. ... minimum of 3 years of experience in software development focusing on the TypeScript tech stack (as a backend

-A clear, structured growth path from testing specialist to full-stack developer. ... Familiarity with Spring Boot or similar backend frameworks. ... Track and improve test coverage metrics across backend and frontend codebases. ... Beyond: Become a proficient full-stack developer with deep system knowledge and a quality-first mindset ... Build and integrate Angular components with backend APIs using HAL/HATEOAS patterns.

Good working knowledge of Java for backend and integration work. ... transformation for the insurance and financial sectors, we are looking for an experienced Senior Python Developer ... transformation for the insurance and financial sectors, we are looking for an experienced Senior Python Developer ... services and APIs using Python., Contribute to Java-based integrations and backend components., Design ... Recruitment process: HR Interview – 30min Client Interview (Technical) – 1,5 h ,[ Develop and maintain backend