Senior Software Engineer (Full Stack)

Nexamp; Boston (MA); Hybrid; USD 167,000 - 210,000; Full time

Job summary

Nexamp, based in Boston, seeks a Senior Full Stack Software Engineer to help accelerate the clean energy transition. You’ll work on internal financial modeling tools and customer-facing apps using a React/TypeScript frontend and Python backend on a Django/FastAPI stack.

You will collaborate across the squad, drive architecture decisions, mentor juniors, and deliver maintainable code while embracing cutting-edge AI tools to improve quality and speed.

Qualifications

• 7+ years of full stack software development experience.
• Experience with React and TypeScript frontend.
• Experience with Python backend (Django or FastAPI).
• Strong SQL and relational databases.
• Experience with Git and CI/CD pipelines.
• Ability to communicate with users and stakeholders.

Responsibilities

• Deliver value by translating objectives into measurable changes.
• Write production software on React/Django/Azure stack.
• Collaborate in sprint planning, code reviews, demos, and retrospectives.
• Own design decisions and establish scalable patterns for the squad.
• Mentor junior developers and share knowledge across the organization.
• Continuously level up skills and impact within the company.

Skills

React

TypeScript

Python

SQL

AI tools

Ownership mindset

Communication with stakeholders

Problem solving

Tools

Git

CI/CD

Terraform

Django

FastAPI

Job description

Do you want to be a part of the clean energy movement? Are you passionate about improving our environment for this generation and those to follow? Are you ready to take on new challenges and collaborate with a future-focused team leading the way into new markets? Join Nexamp!

This is where you can learn from industry leaders and become one yourself. It's fast-paced, mission-based work that challenges the status quo. Be on the team that's changing the world.

What we’re looking for:

We're looking for a Senior Full Stack Software Engineer to help us build and optimize tech solutions to accelerate our sustainable energy future. At Nexamp, you'll be part of an engineering squad focused on multiplying the efficiency of how we raise and deploy billions of dollars of capital into low-downtime solar power plants. You’ll focus on internal financial modeling tools and will drive impact by writing quality code, steering projects from conception to completion, helping refine our processes, and guiding more junior team members. This role will behybrid, based out of our Boston office, and you will report to the squad’s Tech Lead.

What you’ll do:

• Deliver value: Internalize our objectives and deliver measurable change for Nexamp and our customers.
• Write code: Design, implement, and deploy reliable and efficient production software in our React/Django/Azure stack.
• Elevate your squad: Actively collaborate in sprint planning, execution, code reviews, demos, and retrospectives.
• Architect for maintainability: Own design decisions across the stack. Establish and execute scalable patterns, standards, and best practices for the squad.
• Grow others: Guide and inspire more junior developers across the organization through mentorship and collaboration.
• Grow yourself: Continually seek ways to level-up your own skills and make a bigger impact throughout the company.

What you’ll bring:

• 7+ years of full stack software development experience at companies with 10 or more developers.
• Experience building financial forecasting software is a plus.
• Experience building and optimizing consumer-facing frontend applications in React and TypeScript.
• Experience developing and optimizing web-based solutions in modern Python, ideally using Django, FastAPI, or similar frameworks.
• Robust understanding of web standards, infrastructure (databases, storage, caching, content delivery, etc.), and cloud platform offerings.
• Effectively communicate and collaborate with users and business stakeholders, facilitating software and process requirements.
• Experience leveraging debugging expertise and a proven track record of independently solving problems.
• Solid understanding of SQL and relational databases.
• Familiarity with version control systems like Git, CI/CD pipelines for automated testing & deployment, and infrastructure tools like Terraform.
• Understanding of cutting edge AI tools and a commitment to leveraging them to rapidly deliver high quality software.
• Ownership mentality and initiative to make improvements to code, processes, and user experiences across the organization.
• Commitment to Nexamp's mission and have a passion for solving tomorrow's climate crisis today.
• Demonstrated experience in effectively communicating information, ideas, and perspectives with people inside and beyond your organization.
• Experience in showcasing initiative to make improvements to current work, processes, products, and services across the organization. We value accountability and an ownership mentality.
• Ability to ask appropriate questions, analyze data, identify the root causes of problems, and present creative solutions.
• Expertise in building strong internal and external relationships with customers and stakeholders, instilling trust and loyalty across the industry.
• Eagerness to develop a fundamental understanding of how Nexamp operates and then apply that knowledge effectively to inform business decisions.

At Nexamp, our mission is to build the future of energy so it is clean, simple, and accessible for all. We are committed to providing a work environment free from discrimination. We are proud to be an equal opportunity employer. We do not discriminate against applicants on the basis of race, ethnicity, religion, sex, gender, sexual orientation, gender identity, disability status, veteran status, or any other basis protected by law. By encouraging a culture where ideas and decisions come from all people, we believe it will help us grow, innovate, and be a part of environmental and social change.

You’ll love working here because:

Not only will you get to take part in meaningful work and have the chance to change the world alongside innovative, dedicated, and motivated peers, but you will also have access to all the benefits that Nexamp offers! This include s

• our competitive compensation package
• a 401(k) employer-match
• health, dental, and vision insurance starting day one
• flexible paid time off and holiday PTO
• c ommuter b enefits, and c ell phone r eimbursement

We have headquarters in Boston, MA and Chicago, IL, in addition to growing offices nationwide. We provide healthy snacks, coffee, service days and other volunteer opportunities, company outings, and more!

Compensation:

The reasonably estimated salary for this role at Nexamp ranges from $167,000 - $210,000. In addition to base salary, the competitive compensation package may include, depending on the role, participation in an incentive program linked to performance (for example, annual bonus programs based on individual and company performance, non-annual sales incentive plans, or other non-annual incentive plans). Additionally, you may be eligible to participate in the Company’s stock option plan. Actual base salary may vary based upon, but is not limited to, skills and qualifications, internal equity, performance, and geographic location.