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KonstructIQ · 16 hours ago

Software Engineer

Los Altos, CA

Full-time

Onsite

Mid, Senior Level

2+ years exp

KonstructIQ is a company focused on integrating AI into residential construction to enhance efficiency for general contractors. The Software Engineer will collaborate with a team to develop features that improve contractor operations and payment processes, emphasizing speed and quality in coding.

ConstructionFinancePaymentsSoftware

Responsibilities

Build and maintain core product features across frontend (React, NextJS, mobile) and backend (Java, Spring, MySQL, AWS)

Collaborate directly with engineering, design, product, and sales to create seamless experiences for our customers

Write code that balances speed with quality - we ship fast, but we also build for scale

Help shape our tech stack, architecture, and product direction

Jump into everything from UI tweaks to database queries - full stack

Design and ship AI-assisted product features using LLMs and tool/function calling, embedded directly into estimating, document processing, and financial workflows

Build and operate reliable AI workflows and lightweight agents that combine model outputs, external tools, and deterministic business logic to produce accurate, auditable results

Qualification

ReactNextJSJavaAI workflowsMySQLAWSMobile developmentWeb securityAgile practicesCommunicationProblem-solvingOwnership mindset

Required

2–7 years of professional software development experience

Strong frontend development skills with React and NextJS, with working knowledge of backend technologies and APIs

Experience with mobile development (native or cross-platform frameworks like Capacitor or React Native)

Solid understanding of web security principles and performance optimization best practices

Strong understanding of agile development practices and working in fast-moving startup environments

Love working in early-stage chaos — priorities change, solutions evolve, and that energizes you

Can take a vague problem, break it down, and deliver something customers love

Hands-on experience building production AI workflows involving tool/function calling or agent-like orchestration, including prompt design, context selection, and structured outputs

Strong judgment in designing safe, observable, human-in-the-loop AI systems, with an understanding of reliability, failure modes, and when AI is (or isn't) the right solution