Senior Frontend Developer Jobs in Mercer Island, WA

Accelint Holdings LLC Tacoma, Washington, United States

Lyntrisis a defense technology company that connects sensing to action across the connected battlespace.Lyntrisbrings together the talents ofAccelintand Vitesse teams under one mission, with each contributing deepexpertisewithin their domain.Combining differentiated hardware,softwareand missionexpertise, Lyntris helps customers sense threats, make sense of complex conditions and act with greater speed,precisionand confidence in contested environments.

Lyntris supports U.S. and allied defense organizations across every branch — including Navy, Army, Air Force, SpaceForceand allied partners — spanning strategic,operationaland tactical missions and every domain: Space, Air, Land, Sea and Cyber. With more than 200 active defense programs,Lyntrisworks at every level of the mission, from national command authority to the tactical edge.

Solutions are designed by operators who understand the mission, engineered for the conditions that degrade or defeat standard systems, and built on an open, modular architecture that integrates into existing programs without requiring them to start over.Lyntrismoves faster than the traditional defense cycle — with integrated design, build and test capabilities in-house — and delivers systems that sustain and endure long after initial fielding.

*This position requires anactive U.S. national security clearance.To learn more about the security clearance process please access thislink.

**This Position is Hybrid out of a facility in Tacoma, WA

Senior Front End DeveloperFull timeHybrid

We are looking for a Senior Front End Developer to work alongside our balanced agile delivery teams on highly complex DoD projects, specifically the development of command and control (C2) software. Lyntris with its partners is building an innovative cloud-based command and control system that seamlessly integrates existing capabilities and provides automation that improves efficiency and effectiveness of mission planning and execution. A perfect candidate is able to write high-quality code, integrate with partner capability providers, and ensure code and product quality. This position will work alongside our development teamand specifically with our customers, to gain immediate feedback on software features and rapidly prototype candidate solutions.

• Sit with system operators to get feedback on software and ideate on potential solutions
• Push new requirements to development teams and rapidly prototype modifications to React-based web applications
• Contribute to the development and maintenance of reusable component libraries and shared codebase
• Write high-quality code, applying best practices, coding standards, and design patterns
• Participate in the entire software development lifecycle, including requirement gathering, design, development, testing, and deployment, using an agile, iterative process
• Participate in code reviews and ensure code quality through effective testing strategies
• Collaborate with developers, designers, testers, project managers, product managers, and project sponsors
• Communicate tasking estimation and progress regularly to a development lead and product owner through appropriate tools
• Team with other developers, fostering a culture of continuous learning and professional growth
• Performs other duties as assigned.

• At least 8+ years of professional front end / UI development experience (5+ with a STEM B.S.) including 5+ years of experience with React (other Javascript frameworks are a plus)
• Able to develop organized, accessible, and performant apps using JavaScript, typescript, advanced CSS, and HTML
• Solid understanding of application architecture, and concepts like asynchronous programming, closures, types, and ES6
• Familiarity with WebGL based libraries (e.g., ThreeJS, Deck.gl, Mapbox GL JS)
• Experience with CSS in JS solutions such as Styled Components or Emotion
• Proficient with version control systems (e.g., Git) and effective collaborative development workflows
• Experience managing robust build & test tools and implementing workflow automations (e.g., Jest, Rollup, Webpack, Babel)
• Design-minded attention to detail in user interface and user experience implementation
• Must be a US Citizen and currentlsholds an active Secret or Top Secret U.S. national security clearance or be able to receive andmaintainone.
• To learn more about the security clearance process please access thislink.

• Experience in managing, mentoring & coaching development teams in an Agile environment (e.g., leading scrum and agile project management tools & ceremonies)
• Experience in DevOps or deploying web applications
• Experience working in a secure facility or directly with mission operators
• Experience auditing third party dependencies in React ecosystem
• A portfolio of past projects with code samples or GitHub links
• Geospatial information system (GIS) experience
• Penchant for learning new technologies, balanced with strong pragmatic thinking
• Experience with state management libraries like Redux or React Context API
• Ability to travel as needed

• Prolonged periods sitting at a desk and working on a computer.
• Must be able tolift upto 15 pounds at times.
• This position may require the ability to travel up to 5%.

• Some positions willrequire access to U.S. National Security information.
• Positionsthat require this access will berequiredto receive andmaintaina U.S. government personnel security clearance (PCL).
• In order toqualify for this position, the candidate must be a US Citizen and either currentlypossessthis National Security eligibility or be able to complete the investigation application process with a favorable determination andmaintainthat eligibility throughout their employment.
• To learn more about the security clearance process please access thislink.

Lyntriscompanies are Equal Opportunity Employers. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, status as a protected veteran or any other status protected by applicable federal, state, and local law. We ensure that all employment decisions, including hiring, promotion, compensation, and other terms and conditions of employment, are based on merit, qualifications, and business needs. For more information about your rights, please review the "Know Your Rights" poster from the Equal Employment Opportunity Commission (EEOC). Know your Rights:EnglishSpanish

The listed pay scale reflects the broad, minimum to maximum, pay scale for this position for the location for which it has been posted and is not a guarantee of compensation or salary. Other compensation considerations may include, but are not limited to, job responsibilities, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, or other applicable factors.

Benefits include…

• Paid Time Off
• Paid Company Holidays
• Medical, Dental & Vision Insurance
• Optional HSA and FSA
• Base and Voluntary Life Insurance
• Short Term & Long-Term Disability Insurance
• 401k Matching
• Employee Assistance Program

The pay range for this role is:130,861 - 160,650 USD per year(Tacoma, WA)