Senior Full-Stack / Backend Engineer — Construction Technology Infrastructure

Nxt Level • San Francisco Bay Area

Remote Visa Sponsorship Relocation

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AI Summary

Build and scale the financial infrastructure layer for construction tech, unifying fragmented systems into a high-performance API platform. Own end-to-end development, from cloud infrastructure to customer-facing products, while driving reliability, observability, and rapid delivery. Join a profitable, cash-flow-positive startup with direct founder access and equity upside in a $12T global market.

Key Highlights

Unify fragmented construction systems via a single API/data model

Scale cloud-native platform handling millions of daily API requests

High ownership culture with direct customer and founder collaboration

Key Responsibilities

Design and implement a unified API/data model to integrate fragmented construction systems

Build and scale cloud infrastructure (AWS) to handle millions of API requests daily

Optimize performance, caching, reliability, and observability for production systems

Develop customer-facing products leveraging the company’s proprietary APIs

Collaborate directly with customers and founders to deliver high-impact features

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Technical Skills Required

TypeScript PostgreSQL Amazon Web Services

Benefits & Perks

Competitive salary ($140K–$285K annual)

Equity (0.05%–0.25%) and performance bonuses

Visa sponsorship available

Relocation assistance for exceptional candidates

Profitability, cash-flow positivity, and $20M+ funding

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Nice to Have

Prior experience with construction tech or B2B SaaS

Familiarity with Redis and AWS CDK

Experience with legacy system integrations

Job 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

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