Full Stack Engineer (Java, Angular)
OneSeven Tech (OST)Argentina21 hours ago
Full-timeRemote FriendlyEngineering, Information Technology
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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
SEND YOUR RESUME IN ENGLISH, please.
Include
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.
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
- 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
- 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
- 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
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
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.
Key Skills
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