I want to build and scale distributed systems in an engineering culture that values high ownership. Having scaled architectures to 15M+ operations and migrated core systems to Temporal, I thrive on taking complex bottlenecks, designing fault-tolerant solutions, and owning deployments end-to-end. I seek backend-heavy roles at scale-ups where reliability is mission-critical.
Looking for a job
Sandeep H M
@akasandy
Backend Engineer (Node.js/AWS). Scaled URL engines to 15M+ ops and platforms to 10k+ concurrent users. I build unbreakable, fault-tolerant systems.
IndiaWhat I'm looking for
I've built scalable payment, workflow, and assessment systems at Talview, including a URL shortener that handled 15M+ redirects and a multi-provider checkout abstraction that reduced payment failures by 18% across 10K+ daily transactions.
I engineered Temporal-based refund, booking, capacity-management, and AI assessment workflows, while improving proctoring stability for 1,800+ concurrent sessions. My work has reduced no-shows by 25%, saved $12,000 annually in AWS costs, and cut client onboarding time by 70%.
As an independent consultant, I've re-architected Django/Celery platforms, built React and Firebase document systems, and delivered TypeScript payment webhook services that eliminated manual receipt generation. I also mentor junior engineers through pair programming and code reviews.
Experience
Work history, roles, and key accomplishments
SE
Current
Software Engineer
Self Employed
Jan 2026 - Present (8 months)
Partnered with global startups (Paris, India) to architect and scale full-stack applications. Re-architected a Django/Celery platform to scale concurrent sessions from 1K to 10K. Engineered a TS webhook microservice automating PayU payments and PDF receipts. Designed a React/Firebase RBAC document management system and an operational dashboard integrating Google Sheets API.
Software Engineer
Talview
Apr 2025 - Jan 2026 (9 months)
Architected and built a URL shortening service end-to-end, scaling to 15M+ redirects with a cache-aside strategy on Redis and eliminating 100% of external provider costs. Migrated payment processing to Verifone alongside Stripe and LemonSqueezy, building a multi-provider checkout abstraction that cut payment failure rates by 18% across 10K+ daily transactions.
Associate Software Engineer
Talview
May 2023 - Mar 2025 (1 year 10 months)
Enhanced LiveKit/Twilio proctoring service maintaining stability for 1,800+ concurrent sessions. Integrated Caveon as an external proctoring provider by engineering secure webhook callbacks and extending the core API to handle session cancellations.
Software Intern
Talview
Jan 2023 - May 2023 (4 months)
Built a comprehensive notification module leveraging iCal integration with RSVP negotiation functionality, streamlining event management.
Education
Degrees, certifications, and relevant coursework
Jain University
Bachelor of Computer Applications, Web Applications
Pursued a Bachelor of Computer Applications with a focus on Web Applications.
Availability
Looking for a job
Location
IndiaAuthorized to work in
Website
sandeephm.devSalary expectations
75k-110k USD
Social media
Job categories
Skills
NodeTypeScriptJavaScriptGoPythonHTMLCSSJavaReactReact VueGraphQLRESTHasuraServerlessJestPostgreSQLElasticsearchFirebaseRedisMongoDBAWSAWS LambdaGCPAWS CDKKubernetesDockerTemporalKafkaGrafanaMixpanelSentryLiveKitTwilioStripeVerifoneOpenAIGraphiteDjangoCelerySheets APIPayUCI CDMicroservicesEvent Driven ArchitectureNodeJSGoogle SheetsGitHubNx (Monorepo)
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