410 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.

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

: 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

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

We are currently looking for a Golang Developer. ... We are currently looking for a Golang Developer. ... At least 5 years of backend development experience, including work on large-scale, multi-service backend ... You will design, develop, and maintain the core backend infrastructure that powers the entire platform ... You will design, develop, and maintain the core backend infrastructure that powers the entire platform

- 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.

Join Our Tech Team as a Senior Back-end Developer! ... and secure backend systems. ... We are looking for a highly skilled Back-end Developer who can design and deliver scalable, reliable, ... Practical experience with Node.js and Express.js for building secure, fault-tolerant, and scalable backend ... Frameworks: • Excellent proficiency in TypeScript, with experience designing and implementing scalable backend

Step into RedStone – the fastest-growing blockchain startup – as a Backend Developer About Us RedStone ... As a Senior Backend Engineer at RedStone , you’ll take ownership of core components powering our oracle

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.

Introduction & Summary We are seeking a Senior Full Stack .NET Developer with a proven track record in ... Main Responsibilities The main duties of the Senior Full Stack .NET Developer include: Develop full stack ... applications utilizing Vue and React for the frontend and .NET Core for backend APIs. ... The ideal candidate will have extensive experience in both frontend and backend technologies, particularly ... is essential for this role, along with the ability to deliver responsive user interfaces and robust backend

Familiarity with Spring Boot or similar backend frameworks. ... Track and improve test coverage metrics across backend and frontend codebases. ... Build and integrate Angular components with backend APIs using HAL/HATEOAS patterns. ... -A clear, structured growth path from testing specialist to full-stack developer. ... Mid-Level Full-Stack Developer Miejsce pracy: Łódź Technologies we use Expected Google Cloud Platform

We are looking for a React Developer with solid .NET/C# knowledge to join our team for a project in the ... Your tasks Develop and maintain advanced frontend applications using React Implement backend functionalities ... technologies, including React, TypeScript, and JavaScript Solid working knowledge of .NET / .NET Core for backend ... improvement initiatives Requirements Minimum 3 years of professional experience as a Frontend or Fullstack Developer

kubernetes familiarity with agile/scrum practices communicative and collaborative mindset senior java developer ... contributing to product roadmap delivery You can be the perfect match for us, if you have: regular java developer ... 3 years of experience in backend development with java good knowledge of rest apis and microservices ... You Miquido = design, develop, and optimize backend services in java work with postgres/google spanner ... 7 years of backend experience, including 3 with java deep understanding of high-load, high-uptime production

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

technologies-expected : React.js .NET C# about-project : We are looking for a React Developer with solid ... responsibilities : Develop and maintain advanced frontend applications using React Implement backend ... technologies, including React, TypeScript, and JavaScript Solid working knowledge of .NET / .NET Core for backend ... initiatives requirements-expected : Minimum 3 years of professional experience as a Frontend or Fullstack Developer

Senior Typescript Developer – Node.js / AWS (Home Connect Ecosystem, IoT) (f/m) – BSH Sprzęt Gospodarstwa ... Solid understanding of RESTful APIs and complex backend integrations. ... Optional interest in learning Go (Golang) and expanding backend technology skills. ... Requirements 5+ years of backend development experience with strong hands‑on skills in Node.js and

About the Role We are seeking a skilled SAP HANA Developer to join our team at a global leader in semiconductor ... role, you will be responsible for designing and maintaining cutting‑edge data models, pipelines, and backend ... HANA native models, such as Calculation Views, CDS Views, Stored Procedures, and SQLScript to support backend ... business processes with custom analytics, KPI tracking, and actionable insights, all powered by SAP HANA backend

Senior Typescript developer– Node.js / AWS (Home Connect Ecosystem, IoT) Miejsce pracy: ŁódźTechnologies ... React.js Docker Optional Go Operating system macOS Linux About the project We are looking for a developer ... mostly focused on backend working on the Home Connect IoT platform — a mature and widely adopted solution ... and able to drive initiatives independently Optional Interest in learning Go (Golang) and expanding backend ... cloud-native applications Production experience with MongoDB Solid understanding of RESTful APIs and complex backend

Join our team as a .NET Developer at Kruko, a software house specializing in creating modern web and ... for companies in Poland and around the world.Responsibilities:Designing, developing, and maintaining backend