Senior Full Stack Software Engineer in Boston

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Job DescriptionJob DescriptionAbout the Role

A growing technology startup is hiring a Senior Full Stack Software Engineer to help build and scale its core product. This engineer will work across the frontend and backend, contributing directly to customer-facing features as well as internal systems. The role offers a high level of ownership and influence over technical decisions in a fast-paced environment.

This position is well-suited for an engineer who enjoys working closely with product and design, shipping quickly, and improving systems over time.

What You’ll Do

• Build and maintain full stack web applications used by customers and internal teams

• Develop scalable backend services and APIs to support product features

• Implement modern, responsive frontend interfaces with a focus on usability and performance

• Collaborate with product managers and designers to define requirements and deliver solutions

• Contribute to architectural decisions and technical roadmap planning

• Write high-quality, well-tested code and participate in code reviews

• Help improve engineering processes, tooling, and system reliability

• Mentor junior engineers and contribute to a strong engineering culture

Tech Environment

The engineering team works with a modern startup stack, including:

• Frontend: React, TypeScript, Next.js

• Backend: Node.js (Express or NestJS) and/or Python (Django or FastAPI)

• Databases: PostgreSQL, Redis

• Cloud & Infrastructure: AWS or GCP, Docker, CI/CD

• APIs: REST and GraphQL

• Tools: Git, GitHub, modern monitoring and logging tools

What We’re Looking For

• 5+ years of professional software engineering experience

• Strong full stack experience with modern JavaScript/TypeScript

• Proven experience building and maintaining backend services and APIs

• Solid understanding of relational databases and data modeling

• Experience deploying and operating applications in cloud environments

• Ability to work independently and take ownership of projects

• Prior experience in a startup or fast-moving product team is a plus

Compensation & Benefits

• Base Salary: $160,000 – $210,000 (San Francisco senior-level range)

• Equity: Competitive equity package

• Benefits: Medical, dental, vision coverage; flexible PTO; standard startup benefits

• Work Model: Hybrid or remote-friendly depending on location and team needs

Equal Opportunity

This role is with an equal opportunity employer. Qualified applicants will be considered without regard to , , , , , , , , or veteran status.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.