8532 backend developer English-speaking jobs in Poland
Backend Engineer – Validator Engine Specialist (Poland)
- KOR Financial Inc.
- Poland
- March 21
About the role
As a Backend Engineer in our Validator Team, you’ll focus on maintaining and enhancing
Backend Engineer | Remote
- Multibank Group
- Poland
- March 21
Write and maintain technical documentation for backend systems and integrations. ... Test, debug, and optimize backend applications to ensure stability and responsiveness. ... Role Overview
We are seeking an experienced Backend Engineer with a strong background in fintech and ... Key Responsibilities
Design, develop, and maintain scalable backend solutions for CFD, FX, and crypto ... Qualifications & Skills
5+ years of experience in backend development, proficient in Java Spring Boot
Backend Engineer
- Point72
- Województwo mazowieckie
- March 21
business.What you’ll doDesign, develop, and maintain scalable, high‑performance C#/.NET Core APIs and backend ... requiredBachelor’s degree in computer science, engineering, or a related field.10+ years of experience in backend
Senior Software Engineer, Backend
- Nutrient
- Kraków
- March 14
We are looking for a developer who finds satisfaction in architecting high-performance solutions, optimizing ... system reliability, and creating efficient backend services that handle complex document processing ... Your Role at Nutrient
We're looking for someone passionate about building robust and scalable backend ... What You’ll Bring
have experience in backend services and distributed systems
know how to code — it
Engineering Team Leader
- XTB
- Warsaw
- March 14
Requirements Several years of experience as a software developer. Experience as a team manager. ... Technologies We Work With Backend: Microservices mainly in Java 17+ with Micronaut . ... Our team is multi-skilled and delivers complete solutions - including analysis, architecture, backend ... On the backend, we use Micronaut, Reactor, gRPC in a Kubernetes/Rancher environment, while frontend technologies
Frontend Developer
- Brightstar Lottery
- Warszawa
- March 13
Role Overview
As a Frontend Developer, you will play a pivotal role in the design, development, and maintenance ... Qualifications
Bachelor’s degree in Computer Science or related field, plus 5 years professional backend ... development experience; or
Master’s degree in Computer Science or related field, plus 3 years professional backend ... enterprise environments
Experience working in Agile teams (Scrum/Kanban)
Nice To Have
Experience with Java backend
Senior Java Developer (Microservices)
- Luxoft
- Kraków
- March 10
The project focuses on building and evolving a set of mission-critical backend services that support ... Responsibilities
Design, develop, and maintain enterprise-grade backend services using Java 11+ and
Senior Backend Engineer (Blockchain Integrations & Wallet Infrastructure)
- Reap
- Poland
- March 24
AWS Certified Solutions Architect or Developer. ... The Role
We’re looking for a Senior Backend Engineer who’s fluent in TypeScript/Node.js and excited to ... You’ll lead the buildout of the core backend and infrastructure behind our multi‑chain platform—powering ... Experience
What We’re Looking For
Minimum of 6 years in backend development, with at least 2+ years ... This role blends hands‑on backend engineering with Web3‑native systems work: integrating across EVM chains
Remote Full-Stack Developer (Kotlin/Java/React + AI Focus)
- Scanz
- Poland
- February 25
Job Description
We are seeking a versatile Full-Stack Developer with strong backend foundations to join ... This isn't a typical backend position. ... Maintain and enhance our user accounts backend APIs. ... You will primarily work with Kotlin/Java on the backend and TypeScript on the frontend, with significant ... Tech Stack
Backend
Kotlin, Java
Spring Webflux, Kotlin Coroutines
RSocket
PostgreSQL (mostly R2DBC or
Senior FullStack Developer (Java + Azure)
- Luxoft
- Kraków
- March 25
Project Description
We are looking for a Senior Java Developer to help design and build a cutting-edge ... You will be responsible for architecting, developing, and optimizing core backend functionalities while
Senior Software Engineer (AI/ML)
- AIDA projektai, MB
- Warszawa
- March 17
Expert‑level Python developer (5+ years) with strong knowledge of TensorFlow, PyTorch, Scikit‑learn, ... Experience with scalable ML infrastructure and backend engineering (API design, cloud integrations, ML
Senior Fullstack Engineer (.NET + React/Angular)
- Spyro Soft
- Wrocław
- March 9
We are looking for a Senior Fullstack Developer to design and develop new features and modules for our ... Engineering, or a related field
Proven experience as a Software Engineer with a significant focus on backend
Senior Java Developer
- EPAM Systems
- Wrocław
- March 20
Strong proficiency in Java, Spring, and Hibernate for backend development Knowledge of caching and indexing ... We are seeking a highly skilled Senior Java Developer to join our team. ... As a Java Developer, you will be responsible for designing, developing, and maintaining high-quality ... least 3 years of relevant experience in software development Proven commercial experience as a Java Developer
Frontend Developer
- ALTIMI
- Gdańsk
- April 1
Role Overview As a Frontend Developer , you will play a key role in designing and building the userfacing ... You’ll work closely with product, design, and backend teams to translate intricate workflows into simple ... Work closely with backend engineers to integrate GraphQL APIs and ensure efficient data loading and clientside
Frontend Developer
- ALTIMI
- Warszawa
- April 1
Role Overview As a Frontend Developer , you will play a key role in designing and building the userfacing ... You’ll work closely with product, design, and backend teams to translate intricate workflows into simple ... Work closely with backend engineers to integrate GraphQL APIs and ensure efficient data loading and clientside
Frontend Developer
- ALTIMI
- Wrocław
- April 1
Role Overview As a Frontend Developer , you will play a key role in designing and building the userfacing ... You’ll work closely with product, design, and backend teams to translate intricate workflows into simple ... Work closely with backend engineers to integrate GraphQL APIs and ensure efficient data loading and clientside
Frontend Developer
- ALTIMI
- Poznań
- April 1
Role Overview As a Frontend Developer , you will play a key role in designing and building the userfacing ... You’ll work closely with product, design, and backend teams to translate intricate workflows into simple ... Work closely with backend engineers to integrate GraphQL APIs and ensure efficient data loading and clientside
Frontend Developer
- ALTIMI
- Katowice
- April 1
Role Overview As a Frontend Developer , you will play a key role in designing and building the userfacing ... You’ll work closely with product, design, and backend teams to translate intricate workflows into simple ... Work closely with backend engineers to integrate GraphQL APIs and ensure efficient data loading and clientside
FullStack Net Developer React
- Optiveum
- Warszawa
- March 20
We are currently looking for a Senior FullStack .NET Developer for our client—a fast-growing US-based ... Requirements Backend Expertise: 5 years of experience in .NET (.NET 6/8) and C#. ... You will bridge the gap between robust, high-scale backend services and modern, highly interactive user
Python Developer pharma; 100% remote
- 7N
- Warszawa
- March 20
About the Project We are looking for Python Developer (with the knowledge of Spark) who will lead a critical ... MongoDB and SQL (PostgreSQL) High proficiency in Spark and Python is required to navigate the existing backend ... Expectations At least 3 years of experience as a Software Engineer, with a minimum of 2 years focused on Backend



















































