FINARY

fintech

StaffSoftwareEngineer(Rust)

€80–95k Paris, France FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Lead candidates.

The Brief

“Staff Software Engineer (Rust) at FINARY. Skills: Rust, Distributed systems, API design, PostgreSQL. Design backend systems. Build backend systems”

What You'll Achieve.

shipping products that genuinely improve people's financial lives; balance scalability; quality; execution speed

Industry & Context.

fintech
Problems you'll solve

Problem-solving; diagnose complex issues; devise effective solutions

What They're Looking For.

Must Have

Rust expertise, SQL, async systems, PostgreSQL skills, message queues, Distributed systems, API design, Problem-solving, Communication

Nice to Have

performance optimization, profiling, mentoring peers, personal finance, investing

What You'll Do.

Design backend systems

Build backend systems

Drive technical direction

Shape architecture decisions

Define engineering standards

Lead technical initiatives

Collaborate with teams

Deliver pragmatic solutions

Contribute to culture

How You'll Work.

Team & Collaboration

Collaborate closely with product and engineering teams; knowledge sharing; technical guidance

Communication Scope

Communication; English fluency

Full Job Description

ABOUT FINARY We're building a one-stop shop for investing that gives power back to individual investors. Finary lets users track their assets, manage budgets, invest money, and learn about finance, all in one place. Launched in 2021, we've grown to 800,000+ users. In September 2025, we closed a €25M Series B led by PayPal Ventures, with backing from Y Combinator, Hedosophia, Speedinvest, and founders from Qonto, Photoroom, Bitpanda, UBS, and Wise. We care deeply about user experience, performance, and shipping products that genuinely improve people's financial lives. TL;DR You'll design and build high-performance backend services in Rust for a fintech platform serving 800,000+ users. You'll join a team of 10 Rust engineers across multiple squads, with flexibility to work on investment products, crypto, or life insurance infrastructure. WHAT YOU'LL DO - Design and build scalable, reliable, and high-performance backend systems using Rust and distributed systems best practices. - Drive technical direction across teams by shaping architecture decisions, defining engineering standards, and aligning technology with business goals. - Lead complex technical initiatives end-to-end, from system design and implementation to rollout and long-term maintainability. - Collaborate closely with product and engineering teams to deliver pragmatic solutions that balance scalability, quality, and execution speed. - Mentor engineers and contribute to a strong engineering culture through knowledge sharing, technical guidance, and continuous improvement initiatives. WHAT WE'RE LOOKING FOR - Rust expertise: You understand Rust's memory safety and concurrency model, and have shipped production-quality code - SQL and async systems: Strong PostgreSQL skills and experience with message queues for resilient systems - Distributed systems & API design: You can architect scalable systems that meet fintech-grade reliability demands - Problem-solving: You diagnose complex issues and devise effective

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