Senior Full-Stack Engineer — Build Scalable B2B Platform

Morgan Pinnacle Group; San Francisco (CA); Hybrid; USD 200,000 - 240,000; Full time

Benefits offered by this job

Equity participation

Hybrid work schedule

Job summary

Morgan Pinnacle Group in New York City or San Francisco is seeking a Senior Software Engineer to drive full-stack product development. You will own architecture, collaborate with cross-functional teams, and engage directly with customers to shape features.

The role demands 4–9 years of experience, startup background, and a track record of delivering complex products end to end. You will work four days onsite weekly in NYC or SF and contribute to a fast-growing, customer-focused engineering

Qualifications

• 4–9 years of professional full-stack software engineering experience.
• Currently hold, or have recently held, a Senior Software Engineer title or equivalent.
• Experience at a high-growth startup with strong engineering standards.
• Led the end-to-end development of large/complex products.
• Strong frontend, backend, and infrastructure/API capabilities.
• Product-minded with ability to translate user needs into features.
• Excellent communication and collaborative problem-solving skills.
• Onsite four days per week in NYC or San Francisco; US work authorization.

Responsibilities

• Lead design and implementation of complex products from concept to production.
• Own full-stack development across frontend, backend, and infrastructure.
• Collaborate with cross-functional teams on architecture and roadmap.
• Engage with customers to gather feedback and improve functionality.
• Develop blueprints and reusable components to boost efficiency.
• Contribute to engineering quality via code reviews and feedback.
• Participate in strategic decisions with focus on user needs and business priorities.

Skills

Full-stack

Senior title

Startup experience

Product ownership

Customer collaboration

Cross-functional

Ownership mindset

Tools

TypeScript

React

Node.js

MongoDB

Job description

Morgan Pinnacle Group in New York City or San Francisco is seeking a Senior Software Engineer to drive full-stack product development. You will own architecture, collaborate with cross-functional teams, and engage directly with customers to shape features.

The role demands 4–9 years of experience, startup background, and a track record of delivering complex products end to end. You will work four days onsite weekly in NYC or SF and contribute to a fast-growing, customer-focused engineering