Senior Backend Software Engineer

Opeirex — United States · Posted ~3 hours ago

Senior Full-time Onsite Visa Sponsored $200000-$400000 annually + competitive equity

Skills

Go/Golang Backend development System design API development Production systems Go Backend APIs

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Summary ✨ AI‑Generated

A fast-growing technology company is hiring a senior backend engineer to own backend features, build reliable services, deliver production solutions, and drive technical improvements.

Highlights

High-impact engineering role with ownership of backend features, opportunities to solve complex technical challenges, and competitive compensation.

Description

Senior Software Engineer, Backend (Go/Golang) Salary: $200,000 - $400,000 annually + competitive equity Employment: Full-time Location: San Francisco, CA - onsite, 5 days per week Visa support: Open to eligible visa transfers About the Opportunity: We are looking for a Senior Backend Software Engineer who enjoys building, takes initiative, and drives projects from idea to production. You will own significant parts of the backend, ship consumer-facing features, and solve technical challenges that directly influence product performance and business growth. This opportunity suits someone who has delivered meaningful results at a fast-growing startup or a company with a high engineering bar and is ready for greater ownership and responsibility. Key Responsibilities: Own backend features end-to-end, from technical design and implementation to launch and ongoing improvement.Build consumer-facing functionality that delivers measurable business impact.Solve data-driven engineering problems, including matchmaking, fraud prevention, and related platform challenges.Develop and improve backend systems supporting real-money consumer experiences.Improve CI/CD pipelines, experimentation platforms, and engineering workflows to help the team ship quickly and reliably.Work independently, navigate ambiguity, and drive projects to completion.Identify opportunities to improve products and systems, taking on broader ownership as you deliver results. Required Experience and Skills: 3–8 years of experience in backend software engineering.Experience at a fast-growing startup or a company with a high engineering bar, with demonstrated initiative and independent ownership.Proficiency in Go (Golang), or strong backend engineering skills with a demonstrated ability and willingness to ramp up quickly in Go.Experience owning and shipping consumer-facing backend features from concept to production, with measurable results.Strong problem-solving skills and the ability to explain technical decisions, trade-offs, and business impact.Ability to work effectively with minimal direction in a fast-paced environment.Availability to work onsite in San Francisco five days per week, or willingness to relocate. Preferred Qualifications: Experience with matchmaking, anti-fraud systems, recommendation engines, or similar data-driven systems.Hands-on experience improving CI/CD pipelines or experimentation platforms.Experience in consumer technology, gaming, fintech, payments, or real-money platforms.A bachelor’s degree in Computer Science or a related technical field. What’s Offered: Annual salary of $200,000–$400,000, plus competitive equity. Significant ownership of backend systems and product features. The opportunity to work on consumer products serving millions of users. Increasing scope and responsibility based on performance and impact. Collaboration with an ambitious team across engineering, product, growth, and creative disciplines. How to Apply: Please share your updated resume and a brief example of a backend feature or system you owned end-to-end, including what you built and the results achieved. Include your current location and confirm your availability to work onsite in San Francisco five days per week.