Senior Software Engineer - Full-Stack Product Development

Senior Software Engineer – Full-Stack Product Development

Location: New York City, NY or San Francisco, CA
Work Arrangement: Hybrid – 4 days onsite (Monday–Thursday)
Employment Type: Full-Time
Compensation: 200,000–240,000 base salary + equity

About the Opportunity

We are recruiting for a rapidly growing, Series B-backed B2B software company developing modern technology solutions for the construction and field services industries.

The company is transforming how businesses manage critical HR, financial, and operational functions through modern software, AI, and embedded payments.

This is an opportunity to join a collaborative, high-performing engineering team where engineers take meaningful ownership of products, contribute to technical and product decisions, and work directly with customers to solve complex business problems.

The engineering culture emphasizes technical excellence, autonomy, thoughtful collaboration, and building scalable products that deliver measurable customer value.

What You'll Do

• Lead the design and implementation of complex technical products and systems from concept through production.

• Own full-stack development across frontend interfaces, backend APIs, and supporting infrastructure.

• Collaborate with cross-functional teams to shape product architecture and the technical roadmap.

• Work directly with customers to understand their needs, gather feedback, and improve product functionality.

• Develop technical blueprints and reusable components that improve engineering efficiency and scalability.

• Contribute to engineering quality through detailed technical feedback, code reviews, and collaborative problem-solving.

• Participate in product and strategic decision-making, bringing a strong understanding of user needs and business priorities.

Required Qualifications

• 4–9 years of professional full-stack software engineering experience , including developing and delivering complex production products.

• Currently hold, or have recently held, a Senior Software Engineer title or equivalent Senior-level engineering title.

• Current or recent experience at a high-growth startup (Series A–D) with a strong engineering culture and high technical standards.

• Demonstrated experience leading the development of large or complex technical products from end to end.

• Strong, balanced technical capabilities across frontend UI development, backend API development, and infrastructure or service architecture.

• Expertise in technical problem-solving, data modeling, and API development.

• A product-oriented mindset, with the ability to understand user needs and contribute to product and strategic decisions.

• Strong communication skills, including the ability to explain complex technical concepts to nontechnical stakeholders.

• A collaborative, ownership-driven approach, with sound judgment, adaptability, and a willingness to provide and receive thoughtful technical feedback.

• A consistent employment history demonstrating meaningful tenure and sustained contributions.

• Ability to work onsite four days per week, Monday through Thursday, in New York City or San Francisco.

• Existing U.S. work authorization without the need for visa sponsorship. Visa sponsorship is not available for this position.

Technology Stack

The engineering environment includes:

• TypeScript

• React and React Native

• Node.js / Express

• MongoDB

• Render

• Check

• Stripe (Issuing and Treasury)

Engineers are encouraged to work across the full stack and take ownership of projects from technical design through deployment and customer feedback.

Compensation and Work Environment

• Base Salary: 200,000–240,000

• Equity: Equity participation

• Schedule: Hybrid, with onsite collaboration Monday through Thursday in NYC or San Francisco

• Employment: Full-time

The company offers a collaborative engineering environment, meaningful product ownership, and the opportunity to contribute to a growing software platform serving essential industries.

Who Will Thrive in This Role

This opportunity is particularly well suited to a Senior Software Engineer who has helped build and scale products in a fast-growing startup environment.

Successful candidates will combine strong frontend and backend engineering skills with a genuine interest in product development, customer needs, and technical ownership.

The team values engineers who are decisive, resourceful, highly collaborative, and comfortable taking responsibility for complex technical challenges from beginning to end.