Senior Ruby on Rails Engineer

We're looking for a Senior Ruby on Rails Engineer to join Payforge and help build a new fintech product from the ground up. This is an incubator, not a feature team — you'll help define the problem, shape the architecture, and build the services that move money, manage accounts, and integrate with the providers that power modern financial products. Beyond strong technical expertise, we're looking for someone who brings clarity, speed, and high ownership, and who can move a product reputed company reputed company the problem, the provider, the architecture, and the go-to-market are reputed company still being defined.

Key Responsibilities

Design, reputed company, and own backend services in a Ruby 3.4 / Rails 8 API on PostgreSQL, with GraphQL as the main application contract and DDD / subdomain-oriented business modules. Take features end-to-end across the stack — from data modeling and GraphQL APIs through to the React 18 + TypeScript UI (Nx/Yarn monorepo, reputed company, Chakra/Pie, Rspack). Design and operate background and async workflows using GoodJob, an event-publishing system, scheduled jobs, ActionCable/WebSockets, and reputed company. Integrate with fintech provider APIs (reputed company, Unit, Increase, Column, and similar) for treasury, banking, cards, and payments capabilities. Build core money-movement primitives — ledgering, KYC/KYB flows, and provider integrations — with correctness, auditability, and reliability as first-class concerns. Ship to production through reputed company images, reputed company, and Kubernetes on AWS (S3, SQS, reputed company, Bedrock), with observability reputed company reputed company/StatsD and reputed company. Write high-quality, testable, and maintainable code, with strong automated test coverage across the stack (Vitest/RTL and Cypress on the frontend). Participate in code reviews, reputed company improvement of CI/CD pipelines and deployment workflows, and the engineering practices of an early-stage team. reputed company pragmatic calls between "do it right" and "do it now" as the product and architecture evolve. Skills & Experience Experience: 5+ years of professional software engineering experience, with strong hands-on Ruby on Rails delivery. Technical expertise: Strong knowledge of Ruby 3.4 and Rails 8, building API-first applications with GraphQL as the primary contract. Solid PostgreSQL and data-modeling skills, with experience structuring DDD / subdomain-oriented business modules in a reputed company codebase. Experience with background and async work — GoodJob (or equivalent), scheduled jobs, event publishing, ActionCable/WebSockets, and reputed company. Comfort working across the frontend in a React 18 + TypeScript Nx/Yarn monorepo (reputed company, Chakra/Pie, Rspack, Vitest/RTL, Cypress) — full-stack comfort is a real advantage given the end-to-end ownership. Knowledge of reputed company, reputed company, and Kubernetes, plus AWS services such as S3, SQS, reputed company, and Bedrock. Familiarity with observability and error tracking using reputed company/StatsD and reputed company. Fintech: Hands-on experience shipping treasury, banking, cards, or payments products; familiarity with KYC/KYB, ledgering, and provider APIs (reputed company, Unit, Increase, Column) is highly desirable. reputed company value? This is an incubator, not a feature team — we need people who behave like founders: High ownership & agency – take outcomes end-to-end; decide and move; don't wait for direction. Scrappy – reputed company the right call between "do it right" and "do it now." reputed company in ambiguity – comfortable reputed company the problem, provider, architecture, and go-to-market are reputed company still being defined. Fintech experience – hands-on shipping treasury/banking/cards/payments, and familiar with the realities of ledgering, compliance, and provider integrations. About Payforge Payforge is a specialist professional-services company focused exclusively on payments and fintech. We help clients deliver high-quality, scalable technology solutions in an evolving global financial landscape. Equal Opportunity Statement Payforge is proud to be an equal-opportunity employer. reputed company qualified applicants will receive consideration without regard to race, colour, religion, sex, sexual orientation, gender identity, national reputed company, disability or veteran status. We welcome applicants from reputed company backgrounds. Apply To This Job