Chief Architect-ROR

Role : Chief Architect – Ruby on Rails

Experience : 9 to 12 years

Notice Period : 0 to 30 days

Education :

B.Tech / M.Tech in Computer Science or related field

About Presto

Presto is a leading digital commerce SaaS platform that empowers businesses to go online and scale. Businesses engage and transact with their consumers through web, mobile or physical channels - Presto powers all these channels through its state-of-the art platform. Presto is growing at a phenomenal pace, from one store to multi-stores, from 10 transactions per second to 10,000 TPS and from less than 100 users to currently millions of users! Over a billion USD worth of transactions have been enabled, with customers across the UK, Canada, South Africa, Middle East and India. Presto is a recognised thought leader and domain expert in digital commerce in both B2B and B2C spaces, continuously innovating and bringing new technology to its customers. This technology leadership is driving the roadmap, BE and FE technology and AI & ML applications, thanks to its team's in-depth experience in past companies like Nokia / IBM / Akamai, in Cloud, Open-Source, Ux, React-Native, etc. technologies.

Responsibilities

As Chief Architect – Ruby on Rails, you will play a strategic and hands-on leadership role in designing and delivering scalable backend architecture. You will work closely with cross-functional teams and lead engineering best practices across backend systems.

Architect, design and implement robust, scalable backend systems using Ruby on Rails

Lead and mentor engineering teams; contribute as a senior hands-on developer

Own the full software lifecycle : requirement analysis, design, development, deployment, and monitoring

Break down complex tasks, provide technical effort estimates, and manage timely delivery

Define and evolve system architecture to support high availability, scalability, and performance

Collaborate with DevOps to manage and optimize production and staging infrastructure

Drive code quality through TDD / BDD practices using RSpec and related tools

Ensure efficient schema design, indexing, and query optimization for large-scale applications

Monitor system performance, diagnose issues, and implement solutions proactively

Contribute to open-source projects and foster an engineering culture of innovation and excellence

Required Experience

9–12 years of hands-on experience in backend development, primarily Ruby on Rails

Proven track record of designing scalable architecture and leading engineering teams

Strong understanding of MVC design pattern and web fundamentals (HTTP, REST, etc.)

Deep expertise in database design and performance optimization

Hands-on experience with CI / CD pipelines, automated deployments, and system monitoring

Excellent knowledge of Git, Linux, and agile development practices

Experience managing AWS infrastructure or other cloud platforms

Open-source contributions and technical leadership in backend communities

Preferred Skills

Familiarity with microservices and event-driven architectures

Exposure to containerization (Docker) and orchestration tools (Kubernetes)

Strong communication and cross-functional leadership skills

Working knowledge of frontend technologies (HTML, CSS, JS, React / React Native)