Siddharth Gelera
Developer and Open Source Enthusiast specialising in web and tooling development
contact@reaper.is | reaper.is | Bangalore, IN | +91 98853 17891
Skills
Frontend React.js, Angular, Preact, Vue.js, SASS, TypeScript, JavaScript
Backend Node.js, Fastify, LoopBack.io, Express, GraphQL, REST APIs, Golang, Microservices
Testing & Quality Jest, Vitest, Mocha, Playwright, Unit Testing, Integration Testing, Custom Testing Utilities
Security Auth, JWT, OWASP, Auth0, API Security, Opaque Tokens
Architecture Microservices, Event-Driven Architecture, Message Queues, Kafka, Caching Strategies
DevOps & Monitoring Docker, CI/CD, GitHub Actions, Infrastructure Automation, Grafana, Dynatrace, Azure Monitoring, Build Systems
Databases PostgreSQL, MySQL, MongoDB, Redis, Performance Optimization, Sharding, Foreign Data Wrappers
Cloud AWS, GCP, Azure
Project Management Kanban, JIRA, Code Reviews, Technical Mentoring
Side Projects
Ping
A non intrusive and simple uptime status check
preact-island-plugins
Low Level plugins to help build island based frameworks and build servers for preact
Goblin
Builds Go binaries on demand for users without Go installed
mark
Quick web markdown editor with settings sync and raw mode support
commitlog
Generate changelogs straight from Git commit history
Open Source
tRPC Migration codemods in the upgrade CLI: TypeScript program scanner for import paths, AST walker fixes (3 merged PRs)
zustand Core collaborator on build tooling and ESM/CJS interop fixes across v4 releases
jotai Helped fix dual ESM/CJS package exports as a core collaborator
eslint-plugin-valtio Maintainer: AST rules, performance fixes, and releases (2nd top contributor)
jotai-form Long-time maintainer of form atoms for the jotai ecosystem
Work Experience
Bruno
Staff Software Developer, May 2026 - Present
- Own the org's AWS infrastructure and SOC2 compliance work
- Self-hosted AWS CI that scales with PR load
- Lead security across the app and infrastructure, including threat surface, access control, and hardening
- Keep CI and test coverage reliable so regressions surface before release
- Tighten the merge-to-production path for consistent feature releases
Bruno
Senior Software Developer, Oct 2025 - May 2026
- Shipped WebSocket support in the OSS desktop app for real-time workflows
- Hardened core product features for reliability under load and edge cases
- Improved UI consistency and release automation across OSS drops
NearForm
Senior Software Developer, Jan 2024 - May 2025
- Contributed to Mercurius (Fastify's GraphQL plugin) and @fastify/send
- Drove performance initiatives for a high-scale production product
- Improved reliability of Redis and search workflows built on top of it
- Published on NearForm's blog about JavaScript memory management and garbage collection
- Maintained applications at scale and kept infrastructure design practical to work with
Fountane
Principal Developer, Nov 2019 - Jan 2024
- Led engineering for Parkpoolr and Trunkdrop; shipped Impowered and Connecting Outdoors from architecture through launch
- Owned tech stack, architecture, and CI/CD across web and hybrid mobile client projects
- Standardised dev processes and org-wide automation so teams could ship under tight studio deadlines
- Rolled out GraphQL/Hasura and internal DIY frameworks to cut API and scaffolding time on new builds
- Built mobile release tooling: version sync across npm, Gradle, and iOS; Fastlane/Xcode CI on Mac runners
- Mentored developers and maintained multiple production codebases for studio clients
Valuefy
Full Stack Developer, Sep 2018 - Sep 2019
Fintech is hard, number crunching, maintaining curation engines and handling wealth management based transactions all with the help of some code and making sure it worked
Cartisan
Full Stack Developer, Apr 2018 - Sep 2018
Worked with talented individuals on getting the simple car service and invoicing platform for the Indian market. This involved managing sequences of operations and avoiding race conditions, keep data clean, and refactoring some old code
RetailIO
Frontend Developer, Jan 2018 - Apr 2018
Built UI for SuperTax (React) and RetailIO (Angular); created shared components and a small internal UI library
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