Java Software Engineer (AWS)

Java

Java Software Engineer (AWS)

Java
Zabłocie 43A, Kraków

Spyrosoft

Full-time
B2B
Senior
Remote
32 - 47 USD
Net per hour - B2B

Job description

About the role:

We’re building a nationwide EV charging platform that integrates multiple charging networks and vendors into a single, scalable system - and we’re looking for a Senior Java Developer to help us solve the hard parts.

You’ll join a mid-sized engineering team working closely with the client’s technical stakeholders. Expect real ownership, architecture discussions, and the opportunity to influence how the platform evolves.

Role start date: April 2026

Requirements:

  • Senior commercial experience in backend development.

  • Senior-level skills in Java.

  • Expert-level skills in AWS, particularly serverless services (Lambda).

  • Very good command of English, enabling daily communication with the client.

  • Good knowledge of SQL and time-series databases.

  • Solid understanding of the HTTP protocol and REST API design.

  • Knowledge of design patterns, programming principles, and unit/integration testing.

Nice to have:

  • TypeScript

  • Redshift

  • DynamoDB

  • WebSockets

Main responsibilities:

  • Design, develop, and maintain backend services using Java within a cloud‑native environment.

  • Build and optimize serverless applications based on AWS services, ensuring high performance and scalability.

  • Collaborate with a multi‑member engineering team on architectural decisions and best development practices.

  • Ensure code quality, reliability, and alignment with the project's technical roadmap.

  • Communicate effectively with the client in English to clarify requirements and present progress.

Tech stack

    Polish

    B2

    English

    B2

    AWS

    advanced

    REST API

    advanced

    Java

    advanced

    SQL

    advanced

    HTTP

    advanced

Office location

About the company

Spyrosoft

Spyrosoft is a leading technology company specializing in software development and IT services. The company provides a wide range of expertise including artificial intelligence, cloud services, cybersecurity, digital pro...

Company profile
Java Software Engineer (AWS) - Spyrosoft