Senior Staff Software Engineer (Java, WealthTech)

TL;DR

Senior Staff Software Engineer (Java, WealthTech): Shaping the future of investment technology by driving strategic projects, guiding architectural decisions, and inspiring engineering teams to excel with an accent on defining long-term technical direction and leading high-quality, efficient projects. Focus on making important architectural and technical choices across multiple teams and diagnosing complex problems across different codebases.

Location: Hybrid, 2–3 days in the office per week in 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 large, high-quality projects from start to finish.
• Make important architectural and technical choices that affect multiple teams.
• Diagnose and fix complex problems across different codebases.
• Review code carefully to catch technical or design issues and offer practical solutions, including contributing to open-source fixes.
• Guide and mentor engineers by teaching how to solve problems.

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.
• 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.
• Experience mentoring and helping engineering teams grow.

Nice to have

• Experience leading large technical initiatives across teams.
• Familiarity with DevOps practices, container orchestration (Docker, Kubernetes, Nomad).
• Knowledge of network middleware (Consul, Kong, Istio) and observability tools (Prometheus, Jaeger, Grafana).
• Knowledge of authentication protocols (OAuth2, OIDC) and CI/CD pipelines (GitHub Actions, Jenkins).

Culture & Benefits

• Employment Type: UoP or B2B contract.
• Long-term collaboration opportunity.
• Make a real impact in autonomous, trust-based teams.
• Help shape a cutting-edge platform for finance professionals.
• Flexibility to support critical issues, including occasional overtime.