Senior Frontend Engineer - REACT
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Sep 18, 2026.
The Role
Great Gray is looking to add a Senior Frontend Engineer on our Technology team. The engineer we seek comes with strong experience with frontend languages and frameworks (ex. Javascript, Angular, React, Vue). You will be working collaboratively within an agile team, contributing to architectural decisions, and championing best practices in software development.
If you believe in DevOps principles, value continuous delivery, and understand that quality is a shared responsibility you will do well here. Our team members are expected to take full ownership of our products as well as embrace efficiency and continuous improvement. We are not looking for a few rock stars, but rather very strong team players that wish to collaborate to create fantastic software.
This is an exciting opportunity to grow alongside Great Gray as we expand, integrate, and build cutting-edge solutions for the retirement services industry. Your ability to mentor, solve complex technical challenges, and drive results will multiply the effectiveness of your team and shape the future of our technology
Location
This position will work from our Boston, MA office. Great Gray currently supports a hybrid work model with 4 days onsite, and 1 day remote.
Visa sponsorship or transfer of an existing visa is not available for this position. Applicants must be authorized to work directly for any employer in the United States without visa sponsorship or transfer.
Responsibilities
- Develop and enhance scalable, maintainable, cost-effective cloud solutions using javascript, using Angular and React frameworks.
- Collaborate closely with cross-functional teams to translate business requirements into efficient, maintainable, scalable, and high-quality solutions.
- Drive technical excellence through thorough code reviews, identifying opportunities for optimization, and enforcing best practices in code quality, security, and performance.
- Proactively monitor and maintain business-critical platforms and services, ensuring high availability and seamless user experiences.
- Diagnose and resolve complex technical issues, minimizing downtime and continuously improving system efficiency.
- Contribute to innovation by exploring emerging technologies, design patterns, and architectural improvements to keep our solutions cutting-edge.
- A problem-solving mindset and the ability to contribute to technical discussions.
- Strong collaboration skills, fostering an environment of shared learning and innovation.
- A passion for best practices, design patterns, and driving excellence in development.
- The ability to balance multiple priorities while maintaining high-quality outcomes.
- Complete other related duties as assigned
Required Qualifications & Experience
- Exhibits our Great Gray attributes: Growth Mindset, Disciplined Curiosity, Grit, Results Ownership, Collaboration.
- Bachelor's Degree in Computer Science or a related field.
- 5+ years of software engineering or development experience with front-end technologies like Angular, React, or Next.js
- Strong experience building responsive, user friendly frontends with excellent user experiences.
- Strong experience integrating web-application frontends with APIs backed by microservices and event driven architectures.
Preferred Qualifications & Experience
- Ability to articulate and implement best practices, design patterns, and software architecture.
- A problem-solving mindset and the ability to lead technical discussions.
- Ability to thrive in a fast-paced, dynamic environment and manage multiple priorities effectively.
- A growth mindset with an eagerness to learn new technologies and adapt to evolving challenges.
- Comfortable navigating ambiguity.
- Entrepreneurial mindset to bring best practice ideas to the team.
Tech Stack
Our current tech stack is a blend of existing and next-gen tools/languages, and like our company itself, our software is always evolving.
- Frontend: Angular, React
- Backend: C# .NET
- Data Layer: MSSQL, Python, Postgres, Databricks
- Infrastructure: Azure cloud
- Tooling: Cypress, Docker, GitHub, Claude Code, SonarQube
Base Pay Range*
$140,000-$170,000
*This base pay range is subject to change and may be modified in the future.
The pay range displayed above is the base pay compensation range that Great Gray expects to pay for this position at the time of this posting. Individual compensation within this range depends on multiple factors, including, but not limited to, candidate’s prior education and relevant work experience and training as well as position location and local market demands. Our pay-for-performance culture also includes participation in an annual incentive bonus plan for this position which is not included in the ‘Base Pay Range’ noted above.