Backend Engineer

THEMIS Waste Recovery Technology

Backend Engineer designing and maintaining backend systems on a modern Rails stack for Themis compliance platform. Collaborating closely with product and frontend teams to ensure reliability and performance.

Posted 6/26/2026full-timeRemote • New York • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

PostgresRedisRubyRuby on Rails

About the role

Key responsibilities & impact

Design, build, and maintain backend systems on a modern Rails stack
Work with Ruby on Rails, PostgreSQL, Redis, background jobs, APIs, and service integrations
Own features end to end, from design and implementation through testing and deployment
Build secure, reliable APIs and backend workflows that support complex GRC use cases
Design data models and database structures that prioritize integrity, performance, and long-term maintainability
Collaborate with frontend engineers to design clean, well-documented APIs
Write clean, well-tested, maintainable Rails code
Contribute to architecture decisions as the platform scales
Identify and address performance bottlenecks, reliability risks, and data integrity issues
Participate in code reviews and help raise the engineering bar
Improve backend patterns, tooling, and development practices over time
Apply security and data-handling best practices appropriate to a regulated domain
Partner with product to translate customer needs into thoughtful technical solutions
Support audit, compliance, and data-integrity requirements relevant to our customers
Help maintain systems that customers can trust for critical governance, risk, and compliance workflows.

Requirements

What you’ll need

Strong professional experience building production applications with Ruby on Rails or a similar modern backend framework
Experience working with PostgreSQL or another relational database, including data modeling and query performance
Experience with Redis, background jobs, caching, queues, or similar backend infrastructure
Strong experience designing and building APIs
Experience writing tested, maintainable, production-grade code
Strong understanding of security, reliability, performance, and data integrity fundamentals
Ability to own backend systems end to end and manage complexity thoughtfully
Strong communication skills and comfort working closely with product, frontend, and other engineering team members.

Benefits

Comp & perks

Flexible working hours
Remote work options
Asynchronous work support

ATS Keywords

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Hard Skills & Tools

Ruby on RailsPostgreSQLRedisAPIsdata modelingbackground jobscachingquery performanceproduction-grade codesecurity fundamentals

Soft Skills

strong communication skillscollaborationproblem-solvingattention to detailcomplexity management