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Payments Backend Engineer (Ruby/PHP/Scala) – Hybrid London
Build and maintain scalable payment integrations using Ruby on Rails, PHP, or Scala to support BigCommerce’s ecommerce platform.
Architect & Ship Greenfield React Native B2B Mobile
Build and own a new React Native B2B mobile app from scratch, collaborating with Ruby on Rails backend engineers to define architecture, testing, and CI/CD pipelines.
Backend Engineer (Ruby on Rails) — Growth, Hybrid, Stock Options
Mid-level backend engineer building customer decisioning and third-party integrations in Ruby on Rails, collaborating with product and frontend teams in a hybrid setup.
Intermediate Backend Engineer (RoR), Security Risk Management: Platform Management
Builds backend services in Ruby on Rails to power GitLab’s AI-driven DevSecOps security platform, focusing on enterprise security posture management and scalable APIs.
Remote Ruby on Rails Backend Engineer, AI-Powered Features
Build and maintain Ruby on Rails backend services, integrate APIs, and enhance distributed systems with AI-powered features in a fully remote environment.
Software Developer (Ruby on Rails/React)
Build and maintain secure, citizen-facing digital services using Ruby on Rails and React, integrating with Java Spring Boot microservices and AWS serverless components for a UK government agency.
Senior Software Engineer - Ruby React AWS
Builds and scales a SaaS product using Ruby on Rails, React, TypeScript, and AWS in a hands-on, autonomous engineering team.
Backend Engineer (Ruby/PHP/Scala) – Hybrid London
Builds and maintains payment integrations for an ecommerce platform using Ruby on Rails, PHP, or Scala.
Senior Backend Engineer, Payments Platform (Kotlin/Java)
Builds and maintains high-scale payment rails in Java/Kotlin with Spring Boot, designing RESTful APIs for Wise’s global customer base.
Senior Ruby on Rails Backend Engineer for Scalable Ops
Senior Ruby on Rails engineer building and scaling backend systems for live production environments, optimizing databases and integrations to ensure reliability.
Senior Mobile Engineer (React Native)
Build and own a new greenfield React Native B2B app for iOS and Android that integrates with a Ruby on Rails backend, setting architecture, CI/CD, and mobile performance standards.
Senior Ruby on Rails Backend Engineer — AWS, AI — Remote
Senior backend engineer building and scaling a Ruby on Rails e-commerce platform on AWS, using MySQL and RSpec in an Agile team.
Senior Backend Engineer, AI Platforms — Remote
Maintains and scales AI-powered event triggers in GitLab’s Rails monolith, integrating events with third-party tools and AI workflows while ensuring high availability.
Senior Backend Engineer - AI Coding (Remote UK)
Builds the backend trigger system that links GitLab events to AI workflows using Ruby on Rails and integrates large language models in a remote-first environment.
Remote Senior Backend Engineer - NALA
Build and scale NALA’s Go-based payment rails API, integrating with global partners and implementing core financial logic like KYB, AML, and fraud monitoring to expand services across Africa and Asia.
Senior Backend Engineer — Acquisition & Growth (Remote)
Senior backend engineer building signup funnels, referrals, and landing pages in Ruby on Rails, PostgreSQL, and GraphQL to drive customer acquisition and growth.
Remote RoR Backend Engineer for Security Platform
Builds secure backend services and APIs in Ruby on Rails and PostgreSQL to power GitLab’s security management platform for enterprises.
Senior Backend Engineer - Remote UK (Kotlin Microservices)
Build and own Kotlin microservices and Postgres-backed systems in a cross-functional team, mentoring junior engineers while collaborating with product and design.
Full Stack Node.js/React Developer - Fintech Innovation Team
Build and modernize secure, compliant financial applications using Node.js and React, migrating legacy Ruby systems to a new API-first architecture for a regulated payments provider.
Mid-level Backend Engineer
Build and scale Ruby on Rails backend services, GraphQL APIs, and Sidekiq job processing to power Raylo’s subscription platform and customer experiences.