Senior Full-Stack Engineer (Java / Angular)

Project overview

SNI is serving as a trusted IT Outsourcing partner in line with the needs of World's most prestigious firms and carried out successful projects worldwide.

Responsibilities

Skills:

Follow us on Linkedin! http://linkedin.com/company/snisourcing/Nice to have

• Design, build, test, and maintain robust, scalable full-stack software applications and enterprise systems.
• Architect and implement performant frontend interfaces in Angular and resilient backend services using Java and Spring Boot.
• Lead and actively participate in code reviews, automated unit and integration testing, and continuous performance optimization.
• Drive cloud migration and modernization initiatives by leveraging native AWS services and infrastructure best practices.
• Collaborate closely with cross-functional product, UX/UI, and DevOps teams to refine requirements and deliver high-value technical solutions.
• Design and document clean, decoupled RESTful APIs aligned with microservice and event-driven architecture standards.
• Minimum 5 years of commercial hands-on software development experience across the full stack (Java, Angular, and AWS).
• Strong frontend expertise in Angular and TypeScript (5+ years), with practical knowledge of RxJS, state management, and modern UI/UX implementation principles.
• Proven backend proficiency in Java and the Spring Boot ecosystem (minimum 4 years).
• Hands-on production experience with Amazon Web Services (AWS) (minimum 2–3 years).
• Solid database design and query optimization skills with relational databases, preferably PostgreSQL.
• In-depth understanding of enterprise design patterns, REST API design standards, and comprehensive unit testing frameworks (e.g., JUnit, Mockito, Jasmine/Karma).
• Practical grasp of microservice architectures, event-driven architecture, and Service-Oriented Architecture (SOA).

Project details

• Start: flexible
• Remote: hybrid
• Location: Wrocław, -, PL
• Rate: 120-130 EUR/h