Senior Backend Developer
2 weeks ago
6+ years of experience in backend software development. Strong expertise in Java and Scala. Proven track record in designing and building systems with large data volumes and high scalability. Solid skills in SQL development and debugging relational databases. Hands-on experience with cloud platforms (preferably AWS) and containerized microservice architectures. Strong problem-solving skills and excellent communication abilities. Nice to Have Knowledge of Python. Previous experience in the financial sector. We are seeking a Senior Backend Engineer to join our technology team and take part in building advanced, large-scale systems supporting financial data processing and analytics. The role combines architecture design, backend development, and cloud-native engineering, with a focus on scalability, performance, and modern development practices. ,[Define and influence the architecture and technical roadmap of backend platforms., Design and implement reliable, high-performance applications capable of handling large datasets., Build and maintain cloud-native services leveraging AWS and containerized platforms such as Kubernetes., Apply best practices in clean coding, automated testing, code reviews, and CI/CD pipelines., Collaborate with business stakeholders to translate requirements into working solutions using Agile and test-driven approaches., Ensure system resilience through upgrades, monitoring, automation, and performance optimization., Partner with DevOps teams to streamline deployments and operational workflows., Stay up to date with emerging technologies to continuously improve system efficiency and reliability.] Requirements: Java, Scala, Backend, Large Data Volumes, SQL, AWS, Microservices architecture, Problem-Solving, Communication skills, Python
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Remote, Warszawa, Czech Republic Makeitright Sp. z o.o. Full timeWymagania – must have: Minimum 3–5 lat doświadczenia jako Backend Developer (preferowane środowisko eCommerce). Doświadczenie w pracy z Docker i Kubernetes. Znajomość zagadnień wydajnościowych, bezpieczeństwa i skalowalności systemów. Praktyczna wiedza z zakresu integracji systemów (REST API, SOAP, itp.). Dobra znajomość języków...
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Backend .NET Developer @ Staffbit
5 days ago
Remote, Warszawa, Czech Republic Staffbit Full timeRequirements At least 7 years of experience working with .NET / .NET Core. Hands-on experience with Azure Cloud services. Strong knowledge of design patterns. Experience with multithreaded programming. Solid understanding of SDLC and Gitflow workflows. Familiarity with testing techniques (e.g., BDD) and writing/executing test cases. Experience...
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Senior Backend Node.js Developer @ Shelf
1 day ago
Remote, Wrocław, Warszawa, Kraków, Czech Republic Shelf Full timeOver 5 years of professional software engineering experience, including more than 3 year specializing in Node.js Deep understanding of distributed systems, concurrency patterns, and event-driven architectures Hands-on experience with AWS or Azure cloud primitives - you've personally provisioned resources, configured services, and built scalable systems using...
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Senior Backend Engineer @ SD Solutions
1 week ago
Warszawa, Czech Republic SD Solutions Full timeSignificant real-world experience developing software for production systems Extensive Can-Do attitude Hands-on experience and proficiency in Go (or Java/Python with a desire to switch to Go development) Experience with Cloud infrastructure and services Exposure and experience to CI/CD/DevOps, Kubernetes, Docker, and monitoring technologies Ability to...
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Senior Fullstack Developer
7 days ago
Warszawa, Czech Republic Link Group Full time5+ years of professional experience in front-end engineering, with excellent command of JavaScript and TypeScript. Strong proficiency in React and Angular, with practical experience in building enterprise-grade applications. Hands-on experience with Node.js for backend services and API integrations. Solid understanding of REST APIs, asynchronous programming...
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Backend developer
1 week ago
Remote, Warszawa, Czech Republic TIME4IT Full timeKogo szukamy? Bardzo dobrej znajomości JavaScript / TypeScript Doświadczenia w NestJS Umiejętności tworzenia i dokumentowania REST API Znajomości MongoDB i baz NoSQL Umiejętności pisania testów jednostkowych (Jest) Znajomości podstaw CI/CD (GitHub Actions) Zrozumienia architektur: CQRS (Command Query Responsibility Segregation), Event-Driven...
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Senior Fullstack Java Developer @ Devire
5 days ago
Warszawa, Czech Republic Devire Full time5+ years of professional experience as a developer. You are more backend oriented (it’s 70% of work). You have strong skills in Java (17+), Spring Framework (Boot and Batch), Angular 15+, SQL. Database expertise: Oracle or PostgreSQL. Experience with hexagonal architecture. You are familiar with CI/CD/Dev tools: GIT, Docker/Kubernetes, GithubActions....
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Senior Software developer @ eeedo inc
5 days ago
Remote, Tampere, Wrocław, Warszawa, Czech Republic eeedo inc Full timeWhat we expect from you: -passion to software development -interest & experience in some of our techniques – If there is something you don’t know, you learn it and continue Who we hire: -a great new member who complements our team -a person who wants to be part of our product and to develop it -Don’t overengineer your application – we are interested...
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Warszawa, Czech Republic T-Mobile Polska Full time3+ years’ experience as Python Backend Developer / AI Engineer Knowledge of LLMs Knowledge of OOP programming in Python Experience with Linux and Bash Strong knowledge of Docker Understanding of RAG / Agentic architectures Knowledge of Cloud platforms (AWS, Azure, GCP) Taking responsibilities of products and driving their development Problem solving...
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Senior Java Developer @ Experis Polska
2 weeks ago
Remote, Warszawa, Czech Republic Experis Polska Full timeMust have: 5+ years of commercial experience with Java, experience with Spring Boot and Kubernetes, good command of English. At least one of: AWS (e.g., Glue, S3, messaging), Postgres / DocumentDB, Payara migration experience, authorization configuration (OIDC), infrastructure knowledge (EKS, running microservices in the cloud). Nice to have: GitHub Actions,...