Senior Staff Engineer

Senior Staff Engineer - Java

Seniority : Senior

Location :   Warsaw, Poland

Contract type : Full-time, employment contract or B2B

Work Environment :   Hybrid, 2 or 3 days in the office in Warsaw

At Evooq, we are building an ecosystem of solutions that combine data, technology, and investment expertise to empower financial professionals to make smarter decisions and deliver better outcomes for their clients. Our platform helps users identify opportunities, manage risk, and optimize investments across the entire lifecycle. We work in highly autonomous teams grounded in trust, collaboration, and responsibility.

As part of our growth, we are launching a new technology hub in Warsaw. The new team in Warsaw will be a direct extension of our engineering teams in Lausanne, Zurich, and Singapore. This expansion will strengthen our global capabilities and accelerate innovation across Evooq’s product ecosystem.

Job Description

As a Senior Staff Engineer, you’ll act as a senior technical leader, shaping the long-term technical direction and ensuring engineering excellence across the organization. You’ll contribute to the technical vision, oversee complex projects end-to-end, and guide architectural decisions that scale. Beyond execution, you’ll be a mentor, helping other engineers grow by teaching, reviewing, and unblocking. You’ll bridge technical teams and leadership, ensuring decisions balance pragmatism and ambition.

Shape and communicate the strategic technical direction.

Lead large-scale projects from design to delivery, ensuring quality and efficiency.

Make key architectural and technical decisions that impact multiple teams and systems.

Inspect and debug complex problems across any codebase, stepping in where needed.

Review pull requests with a sharp eye for technical and architectural issues.

Provide actionable solutions across teams and domains, including upstream fixes in open-source libraries when required.

Mentor engineers by teaching problem-solving approaches, not just solutions.

Act as a trusted technical partner to engineering management and product leadership.

You will need :

Must-Have Skills & Qualities

Proven ability to quickly diagnose and resolve issues in unfamiliar codebases.

Proven ability to troubleshoot bugs or performance issues in JVM stacks and relational databases.

Proven ability to troubleshoot problems within unfamiliar infrastructures such as bank's premises.

Strong technical judgment to identify risks and opportunities in designs and implementations.

Deep knowledge of software engineering principles, system design, and distributed systems.

Strong communication skills, able to explain complex issues clearly to different audiences.

Demonstrated ability to mentor and elevate engineering teams.

Nice to Have

Experience driving cross-scope, company-wide technical initiatives.

Experience common infrastructure stack and DevOps practices

Container orchestration (Docker, Nomad, Kubernetes, etc..)

Network middle-wares (Consul, Kong, Traefik, Istio, etc..)

Observability (Prometheus, OpenTelemetry, Jaeger, Grafana, etc..)

Authentication (OAuth2, OIDC, etc..)

CI / CD (Github Actions, Jenkins, etc..)

Flexibility to support critical issues, including occasional overtime when necessary.

Additional information

Evooq is a global provider of technology-driven solutions for wealth and asset managers. We aim to radically simplify the investment process and make investments more accessible and more understandable for professional investors and their clients.

Our clients include some of the world’s largest banks, as well as wealth management companies and pension funds across Europe and Asia.

We are headquartered in Lausanne and have offices in Zurich, Geneva, Fribourg and Singapore.