6169 backend developer English-speaking jobs in Poland

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.

Senior Backend Developer (Python) IRC267772 Join to apply for the Senior Backend Developer (Python) IRC267772 ... Join to apply for the Senior Backend Developer (Python) IRC267772 role at GlobalLogic Description Our ... role at GlobalLogic Senior Backend Developer (Python) IRC267772 2 days ago Be among the first 25 applicants ... (Junior) Back-end Developer (.NET) | Deloitte | Poland Senior Full Stack Developer (Remote, Contract) ... Frontend Developer (Angular) – Remote @ ViaBill Junior Software Engineer - Cross-platform C++ - Multipass

Join to apply for the Tech Lead Backend Developer role at NATEK Continue with Google Continue with Google ... Join to apply for the Tech Lead Backend Developer role at NATEK Get AI-powered advice on this job and ... Job Description We are looking for Tech Lead Backend Developer who is going to join project within banking ... Developer who is going to join project within banking industry. ... with Google Continue with Google Continue with Google Job Description We are looking for Tech Lead Backend

On behalf of NDA, Mobile Payment Platform , SD Solutions is looking for a talented Senior Backend Developer ... We are looking for a highly skilled Senior Backend Developer with solid experience in Java (primary) ... Stay up to date with backend trends and best practices. ... Requirements: 5+ years of backend development experience in production environments. ... You will be responsible for designing, building, and maintaining backend systems that power our web and

The team As a backend developer at Kahoot! ... The team As a backend developer at Kahoot! ... Description Are you a skillful backend developer with experience building scalable backend services used ... 5+ years experience as a Backend developer Experience with building scalable, high-performance backend ... developer with experience building scalable backend services used by a worldwide community?

Overview Join to apply for the Backend Developer with Go, Python role at Sii Poland . ... We are seeking a motivated Backend Developer to join our remote Financial Crimes Risk Management team ... Responsibilities Build and maintain efficient, scalable backend systems Design and manage high-performance ... control Requirements Bachelor’s or Master’s in Computer Science or related field 5-8 years of backend

Join to apply for the Senior Backend Java Developer role at Citi 1 week ago Be among the first 25 applicants ... Join to apply for the Senior Backend Java Developer role at Citi Get AI-powered advice on this job and ... Software Engineer (m/f/d) Java Backend Senior Consultant Software Engineer Senior Full Stack Developer ... Senior Software Engineer (with TCP/IP networking experience) Treasury Python and Low Code Developer - ... Warsaw, Mazowieckie, Poland 10 months ago Senior Java Software Engineer (Poland Remote) Senior or Mid Backend

Join to apply for the Senior Backend Java Developer role at Threecolts 1 day ago Be among the first 25 ... applicants Join to apply for the Senior Backend Java Developer role at Threecolts This range is provided ... Base pay range $90,000.00/yr - $90,000.00/yr Senior Backend Engineer – Java / Data Systems Senior Backend ... - 5G Physical layer Senior Software Java Engineer (Poland/Remote) Senior Java Developer – Security & ... Engineer, hybrid, Assistant Vice President Software Development Lead (eazle Customer) Senior Fiori Developer

working with Frontend, Backend and DevOps tasks. ... who has experience working with Frontend, Backend and DevOps tasks. ... For the pharmaceutical company we're looking for a multi-talented Fullstack Developer who has experience ... models like Anthropic Claude 3.5 (Sonnet) - nice to have Certifications (nice to have): AWS Certified Developer ... Solutions Architect For the pharmaceutical company we're looking for a multi-talented Fullstack Developer

Role:Python Developer (LLMs)Location:Wroclaw, Poland (Remote – Twice or Thrice in a Month)Duration:Long ... Term ProjectKey Responsibilities:Design, develop, and maintain scalable backend services and APIs using ... and well-documented code following best practices.Continuously monitor, optimize, and troubleshoot backend ... systems for performance and reliability.Qualifications:Extensive experience with Python and popular backend ... high-performance solutions for complex business requirements.Integrate with databases, third-party APIs, and other backend

Developer with Java and Python to AI projects. ... requirements-expected : Proven experience in backend development using Java and Python. ... responsibilities : Designing, developing, and optimizing AI-driven backend solutions utilizing advanced ... LlamaIndex Agno Pydantic TensorFlow Azure Cloud Services about-project : We are looking for experienced Backend

Developer (.NET) - (Ref. code: 5950/BD/ESS/PO****L)Key Responsibiliti**es:Design, build, and maintain ... , on behalf of its client, a leading Global Fintech, is seeking an experienced and motivatedBackend Developer ... robust backend services with a strong focus on system integration.Support and enhance the development ... through best practices and automation.Keep up with emerging technologies, frameworks, and trends in backend ... object-oriented programming principles and design patterns.At least 3 years of hands-on experience in backend

Developer with a passion for learning and a desire to contribute to a rapidly growing startup. ... technologies-expected : PHP Laravel technologies-optional : Python about-project : We are looking for a Backend ... Laravel framework (must have), Node.js/Python (nice to have) Backend (API development): GraphQL or REST ... Eagerness to learn and adapt to new technologies, with the ability to work independently once trained Backend

proactive, quality-focused solutions.Introduction & SummaryThis role is focused on transforming the backend

TripleTen for Businessempowers companies to achieve their business goals by bridging talent gaps in Data Science, AI for professionals, Python Development, and Management. We are looking for a colleague to join the new b2b direction team and together we will have to test hypotheses and build new products.

Developer (BPMN:Flowable/Camunda) ready to join our adventure.What you will be doingAs a Backend Developer ... deliver on our promisesCollaboration - we can achieve more with othersWe are currently looking for a Backend ... support proof-of-concept demos for prospects.Skills you should haveCore Engineering:5+ years of Java backend

SummaryAndersen is seeking an Experienced Java Backend Developer in Poland to join a project developing ... ceremonies, working in two-week sprints, and delivering monthly product releasesRequirementsExperience in 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

Experience building scalable, low-latency backend systems for AI or data platforms. ... AI agents for data collection, labeling, and intelligent analysis — and we’re looking for a Senior Backend ... Responsibilities Build performant, production-grade backend APIs and services using AWS Lambda, EC2, ... Requirements 4+ years of backend development experience, with strong programming skills (Python, Node.js

Social network you want to login/join with: The IT company Andersen invites an experienced Backend Developer