Lead full‑stack TypeScript UI engineering for a greenfield, mobile‑first web front end using Apollo GraphQL and AWS. Design reusable components, optimize performance and resilience, implement telemetry and tests, and collaborate with designers, product, and engineering teams to deliver production applications.
Company Description
Ten Mile Square Technologies is a high-end technology consulting firm based in the Northern Virginia area. Our customers routinely call upon us to solve some of the largest scale and hardest problems in computer science and software development. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Ten Mile Square is the place to be!
Job DescriptionOVERVIEW
Ten Mile Square is looking for a talented senior UI engineer with full-stack TypeScript software engineering chops to join our growing team of product, technology, and software professionals. The initial assignment for this new position is to develop a greenfield web front-end for a personal loan platform implemented using a modern GraphQL back-end. This is a technical leadership role with organizational responsibilities and impact. The successful candidate will work closely with our highly experienced team leads while continuing to learn new technologies and refine fundamental skills.
Salary (Base + Standard Bonus at plan): $184K ($160K + $24K).
JOB RESPONSIBILITIES
- Design and implement a high-performance mobile-first, browser-based customer journey through complex multi-step wizard flows that are resumable, stateful, tolerant of refresh, back navigation, intermittent connectivity, and are driven by server-side journey decisions
- Design composable, reusable component patterns and author-friendly experiences that let UI, marketing, and content teams build pages quickly and accurately
- Optimize for low-bandwidth and constrained device environments (e.g., Core Web Vitals, prefetching strategies, cache management, graceful degradation, rapid screen presentation)
- Working knowledge of responsive design principles and experience with production graphics, image manipulation, typography, layout and color
- Translate UI/UX design wireframes, mockups, and prototypes (from tools like Figma, Adobe XD) into clean, maintainable, and responsive code using modern front-end technologies
- Collaborate directly with UX/UI designers to provide feedback on design feasibility, suggest improvements for better usability/performance, and iterate on prototypes
- Enforce contract-driven UI development, including typed APIs, schema validation, principles of reuseable software, and clean separation between screen components and journey orchestration logic
- Implement operationally observable UI with client-side instrumentation that captures step performance, abandonment signals, and failure modes to support continuous optimization and inform stakeholders
- Write unit, integration, and UI‑automation tests.
- Leverage AI/agentic tools (Figma MCP, Code Connect, v0, Claude Code) to accelerate iteration and automation
- Understand context, domain, technical requirements, and constraints in order to recommend UI technologies
- Work effectively with Apollo GraphQL back-end services
- Work with tech leads, designers, and product managers to help determine functional requirements for the system
- Contribute as member of an Agile team and promote effective Agile practices
- Proactively collaborate with the greater Ten Mile Square team on development and knowledge sharing
- Always represent yourself and Ten Mile Square with integrity, expertise, and value
- Maintain the confidentiality of our clients on an ongoing basis
- 5 years of software development experience including 2 years of modern UX frameworks
- 1 year of experience working with GraphQL
- 1 year of experience developing and deploying on AWS
- Working knowledge of SQL
- Working knowledge of Github Actions
- Full application stack development experience: front-end to persistence
- Full software lifecycle participation: requirements to post-implementation
- Linux command line
More importantly,
- Be passionate about what you do
- Demonstrate the ability to learn new technologies and concepts quickly
- Be always alert and detail-oriented
- Express high integrity and quality of work ethic
- Be self-motivated to proactively identify and solve problems
- Have excellent communication skills – within the team and with clients
EXCEPTIONAL PEOPLE DESERVE EXCEPTIONAL BENEFITS
Ten Mile Square Technologies benefits package currently includes:
- 100% company paid medical, dental, and vision insurance (including family)
- 100% company paid individual short- and long- term disability
- 100% company paid vision insurance
Top Skills
Adobe Xd
Amazon Web Services (Aws)
Apollo
Claude Code
Code Connect
Core Web Vitals
Figma
Figma Mcp
Github Actions
GraphQL
Linux
SQL
Typescript
V0
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