UX Software Engineer

GRVTY

Cambridge, USonsitePosted Jun 25, 2026
Posting intelligenceActively listedReposted 36×, possible evergreen/ghost posting

Skills

elasticsearchkubernetesjavascriptpostgresmongonodespringdockergitlabpythonhtmlredisneo4jmysqlreactmochacssjirajavajestawsc#

About the role

What Impact You'll Have

Charles River Analytics, a GRVTY company, creates solutions and technology to tackle the world's most challenging problems. Our team of technological entrepreneurs works together to push at the forefront of enhanced AI, robotics, smart sensing, and human-centered computing. The resulting research and development help to continuously advance government programs and discover new possibilities in the commercial marketplace. At Charles River, we take great pride in our success at attracting and retaining the most talented and creative problem-solvers in our field.

Now as part of GRVTY, we offer the same trusted capabilities with increased organizational depth and expanded capacity across mission-critical national security domains. Are you ready to accelerate our mission-focused innovations? We'd love to hear from you!

We are looking for an outstanding software engineer candidate with hands-on experience developing responsive user-facing applications with JavaScript and potentially other frameworks. These applications often require the development of scalable back-end services to support business logic so experience developing and integrating with a back-end is required. You should possess expertise or experience in a variety of technologies, as expressed below, and also have exposure to Agile/Scrum development methodologies. In the first year, we expect you to contribute to two or more production-quality user-facing applications by implementing features, fixing bugs, and taking ownership of the quality of the software. You will be working closely with a senior engineer who will define the requirements, wireframes, and expectations, while also providing mentorship and learning opportunities.

What You'll be Owning

Contribute to engineering teams (code development, code reviews, task understanding and refinement, process improvement, etc.) across projects that range in scope and complexity

Work with Principal Investigators to understand and prioritize technical requirements and track them effectively in GitLab

Understand and apply the entire software development lifecycle (requirements management, development, merge requests, testing, deployment) to projects

Develop responsive user-facing applications, whether that be with JavaScript, Unity, or other relevant frameworks

Participate in daily stand-ups and sprint planning sessions to communicate progress, identify blockers, and collaborate with cross-functional team members in an Agile/Scrum environment

Document technical implementations and API specifications using tools like Docusaurus and Markdown to support knowledge sharing and maintan clear communication with team members and stakeholders

The technologies we use (familiarity with a majority is desired)

API/Data Services: HTTP, GraphQL, REST, Swagger, ActiveMQ, gRPC, WebSockets

Back-end: NodeJS, Python, C#, Java Spring

Cloud/Virtualization: Kubernetes, Docker, AWS EC2, VM Ware

Databases: Neo4j, Postgres, MongoDB, ElasticSearch, Redis, MySQL

Development workflow: Webpack, grunt, gulp, npm, yarn, gradle.

Documentation: Sphinx, Docusaurus, JS Doc

Front-end: React, modern Javascript (es6, require, etc.), HTML5, CSS3, Unity/C#, Unreal

Issue Tracking: GitLab, JIRA

Operating Systems: Windows, Linux (RHEL, Ubuntu), OSX

Testing: Jasmine, Mocha, Jest, TapeJS, Protractor, NUnit, Storybook

Version Control/CI-CD: GitLab

Web Mapping APIs: Cesium, GeoJson, Leaflet

XR Hardware: Oculus Quest, Hololens, HTC Vive or other Steam VR HMDs

What You Must Have

Ability to work in a Hybrid (60%, 3x days per week) onsite capacity in Cambridge, Massachusetts

Bachelor's degree in computer science, engineering, or related field, or equivalent work experience

2+ years of professional UX software development experience, with exposure to the full software development lifecycle

5+ years of demonstrated experience preferred. Senior level engineering candidates will also be considered

Willingness to occasionally travel to support customer briefings and integration/test events

U.S. Citizenship

Why Choose GRVTY

The toughest national security challenges demand vision and ingenuity, not just resources. We deliver mission and technical expertise to outpace our adversaries. We're purpose-built to tackle the most entrenched, systemic national security issues around the world.

We partner with our customers to help them overcome challenges in every corner of technology and defense - including the ones still being explored. Our growing capabilities create complementary advantages, giving on-the-ground operations the edge they need to succeed. We muster everything we have to answer every challenge presented, every day of our lives.

At GRVTY, we believe that when our employees thrive, our company thrives. That's why we offer a comprehensive and competitive benefits package designed to support your well-being, growth, and work-life balance.

Robust health plan including medical, dental, and vision

Health Savings Account with company contribution

Annual Paid Time Off and Paid Holidays

Paid Parental Leave

401k with generous company match

Training and Development Opportunities

Award Programs

Variety of Company Sponsored Events

Anyone requiring reasonable accommodations should email recruiting@grvty.com or call 703-544-7930 with requested details. A member of the HR team will respond to your request within 2 business days.

Please review our current job openings and apply for the positions you believe may be a fit. If you are not an immediate fit, we will also keep your resume in our database for future opportunities.

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