401 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.

Backend Developer to join our remote Financial Crimes Risk Management team. ... Join to apply for the Backend Developer with Go, Python role at Sii Poland We are seeking a motivated ... Referrals increase your chances of interviewing at Sii Poland by 2x Sign in to set job alerts for “Back End Developer ... Your tasks Build and maintain efficient, scalable backend systems Design and manage high-performance ... version control Requirements Bachelor’s or Master’s in Computer Science or related field 5-8 years of backend

As Backend Developer, you will contribute to development and buildout of components of our customer’s ... At least 4 years of commercial experience in developing cloud based, backend oriented services. ... What You Will Do Design, architect, and develop robust, scalable, and high-performance backend systems ... new markets, and improve customer experiences About the Role We seek a highly skilled and motivated Backend ... resolve issues, bugs, and performance bottlenecks, ensuring the reliability and scalability of the backend

responsible for the development and maintenance of our new backend products. ... Developer (NodeJS + ReactJS) - Smart City Fullstack Developer with Java and Angular Senior Fullstack ... Developer - Java with Angular Full Stack Developer (Java + React/React Native) We’re unlocking community ... (Java + React) - Smart City Software Developer (Java + React) - Smart City Java Developer Intern - Document ... Direct message the job poster from Payair Technologies We are looking for a Java Developer who will be

from 18000 pln to 21000 pln brutto JAVA DEVELOPER BACKEND Gdańsk/ Lodz/Warsaw What you’ll be doing as ... BACKEND Gdańsk/ Lodz/Warsaw What you’ll be doing as Senior Java Developer: -Developing code and assuring ... BACKEND Gdańsk/ Lodz/Warsaw What you’ll be doing as Senior Java Developer: -Developing code and assuring ... SENIOR JAVA DEVELOPER LOCATION: GDYNIA, GDAŃSK, ŁÓDŹ, WARSZAWA TYPE: HYBRID (4 time a month) SALARY: ... Senior Java Developer: -Developing code and assuring code quality, -Cooperating with your team: developers

: 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

We are looking for an Embedded Backend & Frontend Developer to join our team working on the EV Charging ... In this role you will be: Tech Stack: Backend: Java 17, Spring Boot, ActiveMQ, MySQL, H2, WebSocket ... Frontend: Vue.js Platform: Embedded Linux Scope of Work: Backend Development Requirements: Database ... developing advanced charging solutions for electric vehicles, combining embedded systems with modern backend ... applications to support specific business logic changes, ensuring flexibility in UI adjustments based on backend

We are seeking a motivated Backend Developer to join our remote Financial Crimes Risk Management team ... Developer to join our remote Financial Crimes Risk Management team. ... Bachelor’s or Master’s in Computer Science or related field 5-8 years of backend development experience ... DevOps, and secure web development principles Residing in Poland required We are seeking a motivated Backend ... solutions using Golang, Python, and modern web technologies. ,[Build and maintain efficient, scalable backend

. :) We are looking for a candidate for the position of Full Stack Developer for a team developing 2D ... Our gaming platform is developed by compact teams of experienced and agile backend developers solving

(relocate to London) Backend Developer - Node.js - Smart City Full Stack Developer (Java + React/React ... Senior Full Stack Developer (Remote, Contract) Senior Fullstack Developer (NodeJS + ReactJS) - Smart ... Proficiency in .NET Core/.NET 6+ (C#) for backend development. ... This role requires a strong technical background in both frontend and backend development, cloud-based ... design, develop, and maintain scalable web applications with high-quality user experience and robust backend

with Node.js – Telco project Full Stack / Backend Developer (DataCoP) We’re unlocking community knowledge ... Senior Fullstack Developer (NodeJS + ReactJS) - Smart City Senior Fullstack Developer (NodeJS + ReactJS ... ) - Smart City Software Developer (.NET + Node.js) - Smart City Full Stack Developer (Java + React/React ... ) - Smart City Front-end Developer (Angular) I Poland I Deloitte Digital Software Developer (.NET + Node.js ... Contribute to both backend development and, when needed, frontend development using React.

We are seeking an experienced Regular/Senior Node.js Developer to join a team focused on transforming ... This role involves developing and maintaining scalable, high-performance backend services using Node.js ... This role involves developing and maintaining scalable, high-performance backend services using Node.js ... Requirements: Min. 4 years of experience as Node.js Developer Proficiency in TypeScript and Node.js Strong ... schema design and contribute to API best practices, Identify and implement improvements across the backend

s expertise in backend technologies. ... 25 applicants Join to apply for the Senior Java Developer - Smart City role at Incubly Hey! ... Join to apply for the Senior Java Developer - Smart City role at Incubly 23 hours ago Be among the first ... Senior Frontend Engineer, Customer Value Track Senior C++ Developer with MacOS and Windows Desktop App ... Are you a passionate backend engineer looking to make a significant impact?

Join as a .NET Developer to Innovate Digital Banking Solutions! ... Łódź based opportunity with hybrid work model (2 days in the office/month) As a .NET Developer you will ... The project centers on developing the backend of the transfers area, ensuring robust architecture, and ... Internal number #7269 ,[Minimum 3 years of experience in backend development with .NET technologies, ... The project centers on developing the backend of the transfers area, ensuring robust architecture, and

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

Overview As Speechify expands, our AI team seeks a Senior Backend Engineer. ... Salesforce B2C Commerce Cloud Senior Developer / Architect Senior Fullstack Developer (NodeJS + ReactJS ... These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft ... Low latency and cost effective text to speech An Ideal Candidate Should Have Proven experience in backend ... Engineer (B2B) Senior Embedded Network Software Engineer (UOP) Senior .NET Developer/Tech Lead with

C++) Migrate existing business logic into well encapsulated service-oriented modules Develop robust backend ... (PostgreSQL, SQL Server) Good communication skills in English (written and spoken) Experience with backend ... Developer (.NET + Node.js) - Smart City Software Developer (Java + React) - Smart City Qt Application ... Software Developer (Java + React) - Smart City Software Developer (.NET + Node.js) - Smart City Software ... - Lodz, Poland Software Developer (Java + React)- Smart City Senior Fullstack Developer (NodeJS + ReactJS

As a Senior Front End Web Developer at Mozaiq, your role will be focused and impactful. ... solutions, specializing in front-end development with Next.js while also managing headless WordPress as a backend

(Poland Remote) Back-end Developer (.NET Developer with WinForms) Deloitte | Poland Senior Software ... , Fullstack/Backend Technologies (Poland Remote) Senior Software Engineer, Fullstack/Backend Technologies ... Engineer, Fullstack/Backend Technologies (Poland Remote) We’re unlocking community knowledge in a new ... Technologies (Poland Remote) Senior Software Engineer, Backend (Poland Remote) Senior Software Engineer ... (JAVA + ANGULAR) .NET Software Engineer - Desktop Applications Senior Fullstack (Node.js + React) Developer

Node.js Strength: Solid experience in building backend applications with Node.js. ... API Development: Extensive experience working with RESTful APIs and integrating with complex backend ... (NodeJS + ReactJS) - Smart City Software Developer (.NET + Node.js) - Smart City Software Developer ... (Remote, Contract) Senior Fullstack Developer (NodeJS + ReactJS) - Smart City Senior Fullstack Developer ... Join to apply for the Senior FullStack Developer (Typescript, React, NodeJS) role at BSH Sprzęt Gospodarstwa