API Developer

1550 - 1700 PLN/ dzień./ dzień.B2BB2B (netto)

MidHybryda·KrakówFull-time·B2B

#465113·Dodano 2 dni temu·0

Źródło: nofluffjobs.com

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Tech Stack / Keywords

Java Spring Boot MavenService designAPIREST API GraphQL SOAPAPI testingPostmanSwaggerUIOpenAPISoapUIJSONXMLXAMLKafkaAWS CloudAmazon EKSAWS FargateAmazon RDSRouteCI/CD

Podsumowanie oferty

As an API Developer, you’ll design, build, and run secure, scalable APIs for clients’ digital products and internal platforms. You’ll work in a cross-functional engineering team on cloud-native services built with Java and event-driven architecture principles.

Wymagania

Hands-on experience building APIs and backend services in Java.
Solid experience with Spring Boot and build tools such as Maven.
Strong understanding of backend architecture, including data access, caching, resilience, and service design.
Excellent knowledge of API design standards: REST, GraphQL, and SOAP.
Familiarity with API testing and documentation tools: Postman, Swagger UI, OpenAPI, and SoapUI.
Experience with data formats such as JSON, XML, and XAML.
Ability to diagnose and resolve issues, improve performance, and enhance reliability.
Great communication and collaboration skills, including working effectively across teams.

Nice to have:

Experience with event-driven architecture at scale, including Kafka Streams, schema registry, and idempotency.
Exposure to AWS cloud infrastructure, including EKS, Fargate, RDS, and Route 53.
Familiarity with CI/CD and observability tools for metrics, logging, and tracing.
Strong analytical thinking and a pragmatic, delivery-oriented mindset.

Obowiązki

Design, build, and evolve high-performing APIs and backend services using Java, Spring Boot, and Maven.
Collaborate with product owners, architects, and testers to deliver high-quality, business-aligned solutions.
Create and maintain API documentation using OpenAPI and Swagger, and define standards for API consumption.
Design APIs using REST, GraphQL, and SOAP, focusing on versioning, backward compatibility, and consumer experience.
Integrate with internal and third-party APIs, ensuring resilience, observability, and robust error handling.
Build event-driven services with Kafka or similar technologies, including topic design, schema management, and reliability patterns.
Deploy cloud-ready applications on AWS, including EKS, Fargate, S3, RDS, and Route 53.
Write automated tests, perform API testing, and troubleshoot production issues following the “you build it, you run it” principle.
Collaborate on engineering standards emphasizing security, maintainability, and continuous improvement.

Benefity

Continuous development: access to training platforms and growth opportunities.
Comprehensive benefits: Interpolska Health Care, Multisport card, Warta Insurance, and more.
High quality equipment: laptop and essential software provided.

Opieka zdrowotna

Karta sportowa

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