51 backend developer English-speaking jobs in Łódź
Backend Software Developer
- Transaction Network Services (TNS)
- Łódź
- April 7
Overview
Seeking an experienced server side software developer who will be responsible for building Common
MitID Backend Developer (m/f/x)
- IN Groupe
- Łódź
- March 22
ABOUT THE ROLE
We are seeking a skilled and dedicated Backend Developer to join our MitID development ... software defects in a timely manner
Troubleshooting, debugging, and enhancing existing services and backend ... MAIN RESPONSIBILITIES
Developing high‑quality backend software and delivering robust application components ... Experience in developing enterprise IT systems and complex software solutions
Solid hands‑on experience with backend
Senior Java Developer - IoT
- IDEMIA Group
- Łódź
- March 24
observability,security mechanisms based on encryption, certificates and credentials,Key MissionsAs a Senior Developer ... , you will:design and evolve backend architecture for IoT systems,implement complex, business‑critical ... backend components,make architectural and technical decisions within the team,ensure system scalability ... support QA team in their activities and many more.You will be working on a real IoT platform, where backend ... with Java 17 / Java 21,commercial experience with Kotlinproven experience in designing and developing backend
Golang Developer for IoT / Industrial Data Platform (f/m/x)
- Sii Sp. z o.o.
- Łódź
- March 19
We are currently looking for a Golang Developer. ... You will design, develop, and maintain the core backend infrastructure that powers the entire platform ... development experience, including work on large-scale, multi-service backend systems Proficient in Go ... troubleshooting, and continuous improvements for deployed services requirements-expected : At least 4 years of backend
Fullstack Developer (backend-focused) (f/m)
- BSH SPRZĘT GOSPODARSTWA DOMOWEGO sp. z o.o.
- Łódź
- April 10
Senior Java IoT Backend Architect
- IDEMIA Group
- Łódź
- March 27
observability,security mechanisms based on encryption, certificates and credentials,Key MissionsAs a Senior Developer ... , you will:design and evolve backend architecture for IoT systems,implement complex, business-critical ... backend components,make architectural and technical decisions within the team,ensure system scalability ... support QA team in their activities and many more.You will be working on a real IoT platform, where backend ... with Java 17 / Java 21,commercial experience with Kotlinproven experience in designing and developing backend
Lead Python Engineer
- HeadHR
- Łódź
- March 27
peer reviews, refinements, and continuous feedback loops across a multi-disciplinary team
Maintain a developer-first ... Responsibilities
Lead and mentor the engineering team
Design, develop, and maintain scalable finance-focused backend
Senior / Staff Backend Engineer | Wroclaw, Poland
- C&D Talent Advisory - Academy
- Łódź
- April 3
Senior Backend Ownership | AI‑Native Accounting Platform
Wrocław, Poland (on‑site, 4–5 days/week)
Full‑time ... What You'll Do
Architect and evolve core backend services and APIs
Design distributed systems supporting ... Daily in‑office meals and premium hardware
Strong product and engineering culture
If you enjoy owning backend ... observability tooling
GitHub, Linear, Slack, Notion
What We’re Looking For
5–10+ years building production backend
MitID Full-Stack Tester (m/f/x)
- IN Groupe
- Łódź
- March 28
A key focus is maintaining and expanding our backend‑focused test automation setup, including API and ... You will own the end‑to‑end testing process across frontend and backend, from test basis identification ... Testing backend components across multiple environments, ensuring data integrity and reliable service ... Validating protocol flows, authentication logic, cryptographic operations, and backend configuration ... execution progress
Maintaining, improving, and expanding our test automation setup, with a focus on backend
Expert Python Engineer (cloud security projects)
- HeadHR
- Łódź
- March 31
Responsibilities:Design and build large-scale, distributed, cloud-native backend systems.Drive architectural ... architecturesMicroservices and event-driven designContainers and serverless patternsProficiency in at least one modern backend
Market and Business Intelligence Analyst (m/f/d)
- Panasonic Europe
- Łódź
- April 7
The role focuses on developing and maintaining analytical tools and backend systems to enable informed
Senior / Staff Product Engineer | Wroclaw
- C&D Talent Advisory - Academy
- Łódź
- April 3
ship intuitive, high-performance full-stack product features
Develop scalable UI components and robust backend ... building and shipping full-stack production web applications
Strong React and TypeScript expertise
Solid backend
Senior Full Stack Engineer - B2B Web
- Parkopedia
- Łódź
- April 9
Strong proficiency in backend development, specifically with Kotlin and Express.js (experience with Java ... How to make an impact
Lead the development of high-quality features across the frontend (React) and backend ... #34; builder - someone who is strong on the frontend but equally competent and willing to dive into backend ... Designers, Product Managers, and Tech Leads to build seamless frontend experiences and manage the robust backend
Lead Developer / Tech Lead, Payments Information Provisioning team
- Nordea Bank
- Łódź
- March 22
You are an experienced and passionate developer always seeking the best solution. ... About this opportunity To strengthen our team we are looking for experienced Lead Developer / Expert ... What you’ll be doing: Working as an Expert Java Developer (with Apache Kafka) in Payments Data Domain ... As the Lead Developer, you’ll engage with many different stakeholders, so the person we are looking for
Tech Lead (Python/AWS + React)
- HeadHR
- Łódź
- March 29
Stay hands-on: contribute to backend development and support frontend work when needed (React).
Model Developer Intern -Risk Models & Calculations - Młodzi w Łodzi 2026
- Commerzbank Digital Technology Centre Poland
- Łódź
- March 23
re in your final year of studies, join our team as Model Developer Intern. ... Join our team as a Model Developer Intern
If you have a strong interest in mathematics or IT and you’
Application Maintenance Engineer
- Fujitsu Poland Sp. z o.o
- Łódź
- March 16
Python Developer (m/f/d)
- Commerzbank Digital Technology Centre Poland
- Łódź
- March 14
Join our team as Python Developer!
Which technology & skills are important for us? ... About The Project
In your role as a Python Developer, you are responsible for the new and further development
Web Designer / UI Developer
- Vistex Poland-CEE Sp. z o.o.
- Łódź
- March 26
.Net Developer
- Hitachi Energy Poland Sp. z o.o.
- Łódź
- March 12
































