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Senior Backend Software Engineer - API Platform

United States
Visa Sponsorship Relocation
This Job is No Longer Active This position is no longer accepting applications
AI Summary

Design and implement high-performance backend systems, build robust integrations, and contribute to a modern testing, CI/CD, and release pipeline. Collaborate with a founding team to shape core architectural decisions. Work on real infrastructure problems with real-world impact.

Key Highlights
Build and scale high-performance backend systems
Design and implement robust integrations with legacy systems
Contribute to a modern testing, CI/CD, and release pipeline
Collaborate with a founding team to shape core architectural decisions
Technical Skills Required
Backend software engineering API platforms Distributed systems SQL-based systems DLL interfaces External APIs React Authentication Pagination Filtering Caching Rate-limiting
Benefits & Perks
Salary: $130,000–$240,000 base + 0.05–0.20% equity
Visa sponsorship available
Relocation bonus for candidates moving to San Francisco
Health insurance with 90% coverage
401(k) with 100% match up to 4%
Fully equipped on-site gym with Peloton, squat rack, and yoga facilities

Job Description

Software Engineer – API Platform

Full-Time, On-Site San Francisco, CA

Compensation: $130,000–$240,000 base + 0.05–0.20% equity

Visa Sponsorship Available: TN, OPT, H1B Transfer

Location Requirement: Must be based in or willing to relocate to San Francisco

We are partnered with a high-growth construction technology startup that is modernising how a $12T global industry operates. Their platform unifies fragmented legacy construction systems into a single, modern API and automation layer, enabling real-time data flow across tools that were never designed to talk to each other.

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Job Overview
Posted Dec 16, 2025
Employment Full-time
Experience Not Applicable
Location United States
Category Programming
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