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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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
6 days ago
Warszawa, Czech Republic Link Group Full time7+ years of experience in backend development. Strong skills in C#/.NET Core, SQL Server, MongoDB. Knowledge of Redis, Kafka, CI/CD tools, observability platforms (e.g., Datadog). Experience with AWS or another cloud platform. Good communication skills and ability to work in dynamic teams. Bonus: basic knowledge of Angular or React. We are looking for a...
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Senior Backend Engineer
1 week ago
Remote, Wrocław, Kraków, Białystok, Łódź, Warszawa, Gdynia, Czech Republic Spyrosoft Full timeStrong professional experience with Kotlin and Java Expertise with Spring Boot framework Solid understanding of microservices architectures Hands-on experience with Kubernetes and containerization technologies Proficiency in Git, CI/CD, and modern DevOps practices Familiarity with database design and management Passion for renewable energy and...
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Senior Fullstack Developer
1 week 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
6 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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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,...
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Warszawa, Czech Republic Efigence SA Full timeWho Are We Looking For: Experience as a senior front-end developer (8+ years of professional experience) Experience with Headless CMS like Magnolia (additional plus) Ability to create responsive interfaces Experience building applications with React and/or Angular (2+ JavaScript ES6+) Knowledge of web technologies (HTML,HTML5 CSS, CSS3, SCSS, SEO...