Senior Software Engineer – Backend (Java, Microservices)

About the role

Staq is a leading Banking‑as‑a‑Service platform that enables businesses to embed financial services. We are looking for a Senior Software Engineer to design, build, and maintain high‑performance backend systems that power our core banking and financial APIs.

Key responsibilities

• Design, develop, and maintain scalable micro‑services and RESTful APIs using Java.
• Write clean, well‑tested, and performance‑focused code.
• Collaborate with cross‑functional engineers to define new features and architectural improvements.
• Participate in code reviews, technical design discussions, and security assessments.
• Identify and resolve bottlenecks, performance issues, and security vulnerabilities.
• Contribute to CI/CD pipelines and automated testing frameworks.
• Stay current with emerging technologies and best engineering practices.

Required profile

• 5+ years of professional software development experience, preferably in fintech or platform environments.
• Strong proficiency in Java and experience building micro‑services.
• Hands‑on experience with cloud platforms (AWS, GCP, or Azure) and container orchestration (Docker, Kubernetes).
• Solid understanding of SQL and NoSQL databases and data modeling.
• Familiarity with CI/CD tools, Git version control, and automated testing.
• Collaborative mindset with a passion for building impactful products.

Required skills

• Java
• Microservices architecture
• RESTful API development
• AWS, GCP or Azure
• Docker
• Kubernetes
• SQL databases
• NoSQL databases
• CI/CD pipelines
• Git
• AI development tools (Claude, GitHub Copilot, Cursor)
• Event‑driven systems (Kafka, RabbitMQ) – nice to have