Full-Stack / Backend Engineer

Nxt Level Recruiting — United States · Posted ~8 hours ago

Senior

Skills

Backend engineering Full-stack development API development Systems integration Data modeling Performance optimization Caching Reliability engineering Testing Observability APIs Data models

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Summary ✨ AI‑Generated

Take ownership of backend and full-stack engineering for a rapidly scaling financial technology platform serving a complex legacy industry. You will unify fragmented systems through clean APIs and data models, build integrations, scale high-volume services, improve reliability and observability, and ship customer-facing features quickly.

Highlights

High-ownership role with the opportunity to build 0-to-1 products, solve complex infrastructure problems, scale high-volume APIs, improve reliability and performance, and work directly with customers and leadership.

Description

Full-Stack / Backend Engineer — Construction Technology The Opportunity Our client is building the financial infrastructure layer for construction, a $12T global industry still powered by fragmented, legacy software. Fresh off a $15M Series A led by Accel, with $20M+ in total funding, the company is profitable, cash-flow positive, and serving 550+ customers. They’re hiring a high-ownership Full-Stack / Backend Engineer who enjoys simplifying complex systems, building 0→1 products, and solving hard infrastructure problems. What You’ll Work On Unify dozens of fragmented construction systems behind one clean API and data modelBuild integrations with legacy and on-prem systems that may have limited APIs or documentationScale a platform handling millions of API requests per dayImprove performance, caching, reliability, testing, and observabilityBuild customer-facing products that run on top of the company’s own APIsShip production code quickly and work directly with customers and founders What We’re Looking For Roughly 1–10 years of software engineering experienceStrong backend or full-stack engineering abilityFamiliarity with cloud infrastructure such as AWSStrong systems thinking and comfort with ambiguityHigh ownership, low ego, and a bias toward shippingExceptional new grads with strong internships, co-ops, or projects may be considered Prior experience with construction tech, B2B SaaS, APIs, or the exact stack is not required. Tech Stack TypeScript, React, PostgreSQL, Redis, AWS, CDK, EC2 Location Bay Area: In-office in San Francisco 5 days/weekOutside Bay Area: Remote available for exceptional candidatesRelocation and visa sponsorship available Why Join? You get the ownership and upside of an early-stage startup with much less early-stage risk: 550+ customersProfitable and cash-flow positive$20M+ raisedBacked by Accel and Y CombinatorMassive, underserved marketSmall, highly technical teamDirect access to experienced founders This is a strong fit for an engineer who wants to solve durable technical problems, simplify messy systems, and help build a category-defining company.