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# Lead Software Engineer

- **Company:** Apex Systems LLC
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Flutter, Application Programming Interfaces (APIs), Architectural Patterns, Code Review, PostgreSQL, MongoDB, Node.Js, Next.js, Software Engineering, TypeScript, Real Time Systems, ReactJS, Kotlin, Graphql, React Native, Software Coding, Restful APIs, Devsecops
- **Published:** August 7, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/lead-software-engineer-new-york-ny-usa-58830166

## About the Role

a * 10+ years of professional software development experience * Proven success delivering large-scale platforms in production * Experience building B2B APIs, portals, and assessment/transaction systems * Hands-on with real-time or near real-time systems (video/communication) * Experience building and operating mobile apps with proven adoption and quality * Partnership with product, design, and business stakeholders * Expert proficiency in modern app development: TypeScript, Node.js, Next.js, React, React Native, Flutter * Swift and Kotlin; GraphQL and REST APIs; PostgreSQL and MongoDB Key requirements * Competitive compensation * Comprehensive healthcare coverage * 401(k) with employer match * Generous paid time off and holidays * Tuition reimbursement and training support * Mental health and wellness programs

## Description

Experteer Overview Lead Software Engineer to modernize the Assessment platform, guiding architecture, scalability, and security. You will mentor teams, drive engineering excellence, and shape long-term platform health. You'll work closely with product and cross-functional partners to deliver a production-grade solution for B2B and B2C use cases. This role offers impact at scale, owning technical decisions and platform reliability. Compensation / Benefits * Architect and implement a modern Assessment platform using TypeScript, React, React Native, Flutter, and GraphQL * Champion engineering best practices to ensure modular, scalable, and resilient systems * Define coding standards, architectural patterns, and quality metrics * Lead design discussions, perform code reviews, and provide hands-on guidance * Design and implement CI/CD pipelines and contribute to DevSecOps practices * Oversee platform hosting, deployment, and runtime strategies for reliability and performance at scale Tasks * 10+ years of professional software development experience * Proven success delivering large-scale platforms in production * Experience building B2B APIs, portals, and assessment/transaction systems * Hands-on with real-time or near real-time systems (video/communication) * Experience building and operating mobile apps with proven adoption and quality * Partnership with product, design, and business stakeholders * Expert proficiency in modern app development: TypeScript, Node.js, Next.js, React, React Native, Flutter * Swift and Kotlin; GraphQL and REST APIs; PostgreSQL and MongoDB Key requirements * Competitive compensation * Comprehensive healthcare coverage * 401(k) with employer match * Generous paid time off and holidays * Tuition reimbursement and training support * Mental health and wellness programs


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