🏠 Melbourne, Victoria
📞 0498133670
🔗 LinkedIn Profile
✉️ manujovarghese@gmail.com
Senior Full Stack Engineer (5+ years) delivering secure, scalable web apps and APIs across React/TypeScript frontends and Node.js backends on AWS. Designs clean BFF/API layers aligned to UX needs, champions CI/CD, observability and secure-by-default practices (OAuth2.0/OIDC, JWT, OWASP). Experienced across relational and NoSQL stores (PostgreSQL, DynamoDB, MongoDB) and containerised/cloud-native delivery (Docker, ECS Fargate, Lambda). Collaborative mentor who lifts team capability and cares deeply about accessible (WCAG), reliable services for the Victorian public.
**Mediality Racing — Full Stack Software Engineer (Nov 2023 – Present)** | Melbourne, VIC
Designed and maintained event-driven services on AWS (Lambda, SQS, Step Functions, API Gateway, S3) supporting high-volume racing data workloads and digital products.
Built and iterated on admin and customer-facing UIs (React/Vue) and Node.js/TypeScript services; aligned API contracts to UX, added consistent error handling, input validation, and rate limiting.
Delivered Silks jersey SVG pipeline processing 2,400+/day; reduced render time 1.3 s → 320 ms, improved cache hit rate 86%, and reduced mismatch defects by 70%.
Implemented CI/CD with GitHub Actions and Amplify; IaC with AWS CDK v2 and CloudFormation custom stacks; introduced automated checks (lint, tests) before deploy.
Owned observability for critical paths: structured logging, dashboards/alerts (CloudWatch/Grafana), and performance tuning across API and database layers (PostgreSQL, DocumentDB).
Championed secure-by-default practices (OAuth2.0/OIDC, JWT, least privilege IAM, secret management) and accessibility improvements aligned with WCAG guidance.
Mentored junior engineers through pairing and reviews; improved team delivery practices and documentation.
**Pioneera Pty Ltd — Full Stack Software Engineer (Jul 2021 – Oct 2023)** | Remote, Sydney NSW
Delivered Microsoft Teams–integrated product on the MERN stack (MongoDB, Express, React, Node.js) adopted by enterprise customers.
Designed and shipped REST APIs and webhooks; collaborated with frontend to fine-tune API surfaces for usability and performance; exposure to GraphQL patterns.
Containerised services with Docker and orchestrated cloud workloads; reduced operational toil through CI/CD (GitHub Actions) and infrastructure automation.
Implemented monitoring and alerting (Grafana/Prometheus, CloudWatch) and improved runtime performance with profiling and caching.
**Infosys Ltd — Software Engineer (Jan 2018 – Jun 2019)** | Mysore, India
Developed Python and Django/REST services and optimised PostgreSQL access patterns for enterprise applications.
Automated data processing workflows in Python and contributed within Agile ceremonies (planning, stand-ups, retros).
Contributed to Django and REST-based enterprise data platforms, focusing on secure API design and implementation.
Participated in Agile development processes including sprint planning, daily stand-ups, and retrospectives.
📣 Reach out to me via email for collaboration or inquiries.