Backend developer

Requirements 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...

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...

Wymagania – 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...

Skills 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...

3+ 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...

Over 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...

•    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•  ...

Check below what we expect: has broad general technical knowledge — and knows specific subjects in-depth; has experience leading architecture of a large system; is focused on team and company goals and their effective delivery; feels accountable for the team performance; builds trust by showing and admitting their vulnerabilities; debates productively...

Experience building and maintaining globally distributed systems. Knowledge of event-driven architectures (Kafka). ~2+ years of experience in product engineering, developer tools, or infrastructure at scale. A pragmatic generalist who thrives on learning new frameworks and tackling complex challenges. Familiarity with languages such as Elixir, Ruby, or...

Required skills: Professional Java experience 5+ years OOP/design patterns proficiency Experience building complex systems SQL/NoSQL database experience Familiar with AWS or GCP Experience in the AdTech domain. Nice to have: Experience with big data  Experience with OLAP DB (Cassandra, Clickhouse)  Experience with Neo4J  English: B1 Who we are Xenoss...