Job Description

Senior Full Stack Engineer

About the Role

Expression is seeking an exceptional Senior Full Stack Engineer with deep React and TypeScript experience to join our innovative team. As a technical leader, you'll architect and develop sophisticated spatial data applications that solve complex geographic challenges while working alongside world-class data scientists, DevSecOps engineers, and product designers.

Impact You'll Make

• Architect and develop cutting-edge web-based mapping applications that transform complex spatial data into intuitive user experiences
• Lead the technical direction of feature-focused teams while mentoring junior developers
• Drive innovation in our geospatial technology stack through thoughtful architecture decisions and implementation
• Collaborate with cross-functional teams to deliver robust, scalable solutions that delight our customers

Full Stack Development

• Deep expertise in React (or Angular 2/Vue.js) for frontend development
• Strong command of Express.js and GraphQL/REST APIs
• Experience with modern ORMs and database technologies including PostgreSQL, Redis, ElasticSearch/OpenSearch, MongoDB
• Extensive AWS cloud platform experience, particularly with S3 and spatial services
• Mastery of Git version control and collaborative development workflows

Leadership & Communication

• Proven ability to mentor junior developers and drive technical excellence
• Outstanding written and verbal communication skills
• Experience leading code reviews and maintaining high engineering standards
• Track record of successful collaboration with cross-functional teams

Requirements

• Ability to obtain Secret clearance or higher
• Associates degree or higher in Computer Science, Engineering, or related field
• 10+ years of software engineering experience
• 7+ years of recent full-stack development experience
• Demonstrated experience with big data visualization
• Located in or willing to relocate to the DMV area (Washington DC, Maryland, Virginia)

Work Location

Hybrid work environment (approximately 3 days per week on-site) in the DMV area

Compensation & Benefits

Salary

$140,000 - $200,000 annually, based on experience, locality pay, and work arrangement

Comprehensive Benefits Package

• Competitive 401(k) with employer matching
• Premium health coverage (PPO and HDHP options)
  • Medical, dental, and vision insurance
• Professional development support
  • Education reimbursement program
  • Training and certification opportunities
• Work-life balance
  • Generous PTO and holiday schedule
  • Flexible work arrangements
• Additional perks
  • Complimentary life insurance
  • On-site gym access
  • Commuter benefits plan

About Expression:

Founded in 1997 and headquartered in Washington DC, Expression provides data fusion, data analytics, software engineering, information technology, and electromagnetic spectrum management solutions to the U.S. Department of Defense, Department of State, and national security community. Expression's culture focuses on creating immediate and sustainable value for our clients via agile delivery of tailored solutions built through constant engagement with our clients. Expression was ranked #1 on the Washington Technology 2018's Fast 50 list of fastest growing small business Government contractors and a Top 20 Big Data Solutions Provider by CIO Review.

Equal Opportunity Employer/Veterans/Disabled

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