Always looking for talent
Great products are built by great people, and we work hard to find the best and brightest. If you’re a curious and creative problem solver who loves what they do, apply for our openings.
Senior Python Developer
Senior lvl.
- 5+ years of experience in Python backend development and strong expertise in software architecture.
- Experience in building and maintaining scalable systems with asynchronous programming, cloud platforms (AWS/GCP/Azure), Docker, and Kubernetes.
- Skills in designing and managing data pipelines, implementing CI/CD processes, and demonstrating autonomy and ownership in startup environments.
Node.js Developer
Mid+ to Senior lvl.
- 4+ years of experience building robust backend systems that power modern, data-driven applications in the crypto and Web3 space.
- Experience designing scalable APIs, serverless AWS Lambda services, and integrating with fiat-to-crypto payment systems and blockchain platforms.
- Skilled in Node.js, TypeScript, DynamoDB, and serverless architectures to power secure, scalable crypto and Web3 backend systems.
Senior Full Stack Developer
Senior lvl.
- 7+ years of experience designing and developing scalable, enterprise-grade applications with a strong focus on performance, quality, and reliability.
- Proven expertise in building and maintaining robust backend services using Node.js, TypeScript, and PostgreSQL, as well as front-end applications with React.
- Solid background in cloud-native development, CI/CD automation, and system optimization, with hands-on experience delivering high-performance solutions in dynamic startup environments.
Senior Go Developer
Senior lvl.
- 6+ years of experience building high-performance Go backend services that power large-scale, automation-driven security platforms.
- Hands-on work designing scalable APIs, distributed services, and cloud-native components built to move fast and stay resilient.
- Skilled in Go, microservices, Kubernetes, Docker, and performance-focused engineering that drives next-generation SecOps automation.
Senior Windows Agent Engineer
Senior lvl.
- 8+ years of hands-on experience developing production-grade Windows components across complex, system-level environments.
- Strong background in designing secure agent architectures, building low-level modules, and integrating deeply with OS internals to support advanced security workflows.
- Skilled in C/C++, Windows internals, kernel-adjacent development, and crafting high-performance agent systems that deliver speed, resilience, and reliability for modern endpoint security platforms.
Senior Mac Agent Engineer
Senior lvl.
- 8+ years of hands-on experience building production-grade macOS components across complex, system-level environments.
- Strong background in designing secure agent architectures, developing kernel/system extensions, and integrating deeply with OS internals to support advanced AI-driven workflows.
- Skilled in Objective-C, Swift, C++, macOS internals, performance tuning, and crafting resilient endpoint agent systems that deliver speed, reliability, and security at scale.
Why join Fifth
Collaborative innovation
Apply your skills in new and interesting ways while working on challenging and innovative projects. Fifth’s clients become partners, and you have the chance to form long-term relationships with exceptional people from all over the world who are working on products and services that improve businesses and lives.
A team culture based on collaboration, mutual respect, and creative problem solving. We practice a flat hierarchy management style, where you can approach anyone with ideas and concerns and be heard. We encourage open communication and a supportive environment where autonomy and teamwork go hand in hand.
A nurturing workplace
Thrive as a professional in a working environment with clear production processes and strong project management experience. Learn in a culture of collaboration and mentorship that ensures continuous growth and improvement. Connect through team building events, sports, socials, professional development workshops, and more.
Do your best work in a bright and spacious modern office fully equipped with comfort and amenities. Meditate, play, or enjoy the view on our rooftop patio. You’ll enjoy equal and equitable benefits, including a competitive salary, training courses, health insurance, and other perks that reward good work and initiative.
