Senior Software Engineer; Cundinamarca; La Mesa
Listed on 2026-07-07
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Software Development
Software Engineer, Senior Developer, Backend Developer, Full Stack Developer
Finix is building the integral operating system for fintech, starting with payments. From startups to publicly traded companies, Finix processes tens of billions of dollars annually both in‑store and online. Finix was founded in
**** and is headquartered in San Francisco.
Finix has raised over $200M, including a $75M SeriesC led by Acrew Capital and Lightspeed Venture Partners, and is backed by American Express Ventures, Bain Capital Ventures, Homebrew, Inspired Capital, Visa, and others.
The engineering team owns the delivery and stability of our product end to end. The Senior Software Engineer role centers around envisioning superior technical solutions to our customers’ payment needs, leading their implementation and continuously ensuring reliable service. You will have broad autonomy and responsibility for formulating the best solution possible and working with your peers to deliver your vision.
Responsibilities- Deep dive into our customers’ needs and work with product management to define new services.
- Own the technical vision, implementation, best practices, and infrastructure within your domain.
- Develop close relationships with product management and peer engineers.
- Become an expert in your payments domain and mentor junior software engineers.
- Proactively improve our architecture, frameworks, tooling, automation, and best practices.
- Experience designing, implementing, and testing superior software.
- Comfortable continuously delivering code, infrastructure, tests, and features to production.
- Excited about finding new and better ways to make software reliable, scalable, and performant.
- Obsessed with edge cases, understanding requirements and design implications.
- Proactive in monitoring running systems and troubleshooting production issues.
- Able to grow, mentor, and collaborate with peers.
- 4+ years of experience building and designing systems with multiple life cycles.
- Extensive experience implementing secure APIs and highly available, observable services.
- Led and mentored more junior software engineers.
- Strong ability to manage multiple competing priorities.
$150,000 – $220,000 per year, plus equity and benefits.
Location and Role Info- Role:
Software Engineer III/IV - Level: IC3-IC4
- Location:
San Francisco, CA
Finix is an equal opportunity employer and values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other protected class.
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