Senior Staff Software Engineer (Java)

TL;DR

Senior Staff Software Engineer (Java): Shaping the future of investment technology, driving strategic projects, and guiding architectural decisions. Focus on quality, efficiency, and solving complex problems across different codebases, including on-premises systems and contributing to open-source fixes when necessary.

Location: Full Remote • Warszawa (Poland)

Company

hirify.global is an IT consultancy firm that helps startups, mid-sized and large corporations to create and deliver innovative technologies.

What you will do

• Define and share the long-term technical direction.
• Lead big projects from start to finish, ensuring high quality and efficiency.
• Make important architectural and technical choices affecting multiple teams.
• Diagnose and fix complex problems across different codebases.
• Review code carefully to catch technical or design issues.
• Guide and mentor engineers, teaching problem-solving skills.

Requirements

• Ability to quickly understand and fix issues in unfamiliar codebases.
• Experience troubleshooting bugs and performance problems in JVM environments and relational databases.
• Ability to diagnose issues in unfamiliar infrastructures, including on-premises systems like banks.
• Strong technical judgment to spot risks and opportunities in designs and implementations.
• Deep understanding of software engineering, system design, and distributed systems.
• Clear communication skills, able to explain complex issues to different audiences.

Nice to have

• Experience leading large technical initiatives across teams.
• Familiarity with DevOps practices, container orchestration (Docker, Kubernetes, Nomad), and network middleware (Consul, Kong, Istio).
• Knowledge of authentication protocols (OAuth2, OIDC) and CI/CD pipelines (GitHub Actions, Jenkins).
• Flexibility to support critical issues, including occasional overtime.

Culture & Benefits

• Employment Type: UoP or B2B contract
• Work Mode: Hybrid, 2–3 days in the office per week
• Collaboration: Long-term opportunity