Senior Java/Angular Full-Stack Developer

The Role

We’re looking for a Java/Angular Full-Stack Developer to join a team maintaining and evolving a large, long-lived monolithic platform (15+ years). You’ll work across backend services and frontend features, build and consume REST APIs, and make changes carefully with a strong focus on stability, regression impact, and performance.

About You

You’re comfortable working in legacy enterprise systems where clean incremental changes matter. You can navigate a big codebase confidently, collaborate through Git/GitHub workflows, and you care about quality, reliability, and clear engineering practices. You’re also pragmatic: you can ship improvements without breaking what already works.

Requirements

• Strong Java backend development experience
• Angular frontend experience
• SQL Server proficiency, including: complex queries performance optimization understanding transactional constraints
• Experience developing and consuming RESTful APIs
• Experience working with monolithic codebases and making careful changes in large legacy systems
• Understanding of regression testing implications when modifying existing functionality
• Solid Git/GitHub workflow experience
  
  

Bonus Skills

• Snowflake experience (or willingness to learn)
• Experience with enterprise multi-tenant architectures
• Familiarity with bit-set data structures (optional)
• Observability/monitoring experience with Datadog and/or Elasticsearch
• Familiarity with Cypress for automation testing
• MarTech/SaaS background (audience segmentation, email marketing, subscription management)
• Experience integrating AI/LLM capabilities into existing apps (e.g., MCP layer, agentic UI patterns)
• Fluent English with 9am-5pm EST availability
• Flexible schedule - ability to work extra hours for sprint deadlines
  
  

Why This Matters

• First Engineering Hire - Shape the technical foundation of a rapidly growing startup
• Massive Market - Tech debt affects $3 trillion globally with 41% created by AI
• Real Impact - Help companies save millions in development costs
• Cutting-edge Tech - Latest AI/ML technologies solving real business problems
• Growth Opportunity - Lead digital transformation in the modernization market
  
  

Benefits & Compensation

• Fully Remote with flexible working arrangements
• Growth Opportunity - Direct path to technical leadership
• Competitive Paid PTO Package - Company-paid time off
• Be an early employee at a growing startup
  
  

To Apply

SEND YOUR RESUME IN ENGLISH, please.

Include

• LinkedIn Profile URL
• GitHub Portfolio - Show us your best work
• Live Project Examples - Applications or tools you've built
• Cover Letter - Why you're excited about CodeOpps
• Any other references highlighting your qualifications
  
  

About OneSeven Tech

Founded by James Sullivan, who built OneSeven Tech - a premier digital product agency serving startups and enterprises. OneSeven has partnered with startup clients who have collectively raised over $100M in VC, with enterprise clients including 2000+ person hospitality groups and NASDAQ companies.

Having experienced firsthand how tech debt can destroy startups, we're on a mission to turn the "invisible tax" of bad code into actionable business intelligence. We work remotely, move fast with 1-week sprints, and focus on elegant solutions to complex problems.