Backend developer
1 week ago
Kogo 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 Architecture – mile widziane doświadczenie z Kafka lub Redis Streams Time4IT to zespół specjalistów tworzących aplikacje webowe i mobilne dla branży e-commerce – od systemów do zarządzania zamówieniami, przez narzędzia wspierające sprzedaż, aż po platformy komunikacyjne. Rozwijamy własne produkty oraz realizujemy dedykowane wdrożenia, dlatego szukamy doświadczonego Backend Developera (mid/senior), który pomoże nam projektować i rozwijać nowoczesne systemy backendowe oparte na architekturze mikroserwisowej i event-driven. Tech stack, z którym pracujemy: Backend: NestJS (Node.js) Bazy danych: MongoDB Komunikacja asynchroniczna / cache: Redis, Kafka Realtime: WebSocket DevOps: Docker, Kubernetes, GitHub Actions Co oferujemy: Realny wpływ na architekturę i wybór technologii Pracę w doświadczonym, zgranym zespole Hybrydowy lub zdalny model pracy (biuro w centrum Warszawy) Współpracę B2B – wynagrodzenie ustalane indywidualnie, zależnie od doświadczenia Requirements: JavaScript, TypeScript, Nest.js, REST API, MongoDB, NoSQL, GitHub Actions, CQRS, Command Query Responsibility Segregation, Node.js, Kafka, Redis Streams
-
Backend Developer
6 days ago
remote, Praha, Hlavní město, Czechia, Czech Republic Valor Software Full time 40,000 - 120,000 per yearWe are looking for a Backend Developer to join an international team working on large-scale web applications. Requirements: Strong proficiency in Java 11+, Spring Boot, GraphQL, JPA/Hibernate, and RESTful API design Good understanding of SQL (MySQL) and query optimization Experience with OAuth2, JWT, and secure API development ...
-
Senior Backend Developer
2 weeks ago
Warszawa, Czech Republic Link Group Full time6+ 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...
-
Senior Backend Developer @ RemoDevs
2 weeks ago
Remote, Wrocław, Gdańsk, Warsaw, Kyiv, Kraków, Czech Republic RemoDevs Full time5+ years as a professional developer, with strong experience in Backend Development in a SaaS environment. Expert in Python 3.10+ and Django 4.x (REST APIs, ORM, async tasks). Skilled in system design and building distributed systems on AWS. Deep knowledge of PostgreSQL, Redis, and Elasticsearch/OpenSearch. Hands-on AWS experience (ECS, Lambda,...
-
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...
-
Senior Java Backend Developer @ Upvanta
2 weeks ago
Remote, Czech Republic Upvanta Full timeSkills and attributes for success Excellent knowledge of Java supported by 8+ years of professional experience Many years of experience in commercial projects in development and maintain scalable backend services using Java, Spring, Spring Boot, and microservices architecture Experience in design and implementation secure RESTful APIs, Practical experience...
-
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...
-
.NET Backend Developer @ Devire
6 hours ago
Remote, Czech Republic Devire Full timeBardzo dobra znajomość C# (8) i platformy .NET / .NET Standard Doświadczenie w pracy z Entity Framework Znajomość SQL (SQL Server lub PostgreSQL) Umiejętność tworzenia i utrzymania REST API Doświadczenie w pracy z RabbitMQ Znajomość narzędzi i praktyk observability Znajomość systemu kontroli wersji GIT Doświadczenie w pisaniu testów...
-
AWS Backend Developer @ Experis Polska
2 weeks ago
Remote, Czech Republic Experis Polska Full time• Hands-on experience with AWS Serverless Stack: API Gateway, Lambda, SQS, SNS, DynamoDB, EventBridge• Strong proficiency in Python• Working knowledge of Node.js• Excellent communication skills and ability to work in an international team environment Our offer:• MultiSport Plus• Group insurance• ...
-
Senior Backend Node.js Developer @ Shelf
6 hours 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...
-
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...