Roshan Jha profile photo 1 on Tal

Roshan Jha

Engineering at Slice | IIT BHU

India

2+ years of work experience

Stealth
Sep 20251 yr 1 moPresent

Bengaluru

· Integrated Razorpay (Android) and RevenueCat (iOS) with a unified backend entitlement service, abstract- ing webhooks and receipt validation into a single subscription state source. · Built real-time backend pipelines powering three concurrent content feeds (Home, Pulse, Catalyst) with shared caching and push-based state sync. · Designed a device-aware API layer with client-specific payloads/pagination, cutting mobile over-fetching. · Built backend services for on-demand fetching, caching, and streaming of BSE/NSE filings, enabling in-app document rendering at scale. · Implemented a distributed job scheduler for recurring background tasks (data sync, notification dispatch, report generation), with retry logic and dead-letter handling for failed jobs. Languages - Java, Kotlin, C++, Dart, Javascript Technologies - Spring Boot, MongoDB, DynamoDB, SQL, Docker, Android Studio, AWS, Jetpack Compose Dagger-Hilt, Coroutines, Redis, Kafka, PostgreSQL, Kubernetes, ElasticSearch Skills - Multithreading, Concurrency, System Design, RESTful APIs
slice
Jun 20221 y 8 moFeb 2024

Bengaluru

· Optimized service performance with Redis caching, cutting p99 latencies and database load to deliver faster, more reliable user experiences. · Built UPI Rewards, a post-transaction gaming feature that drove user acquisition. · Designed and built the referral incentive system from the ground up, handling concurrency, idempotency, and fraud prevention — driving a 150% increase in user onboarding. · Set up SLO monitoring on Grafana with breach alerts for latency, downtime, and other key metrics, improving incident response and overall service reliability. · Built an in-house experimentation platform with feature flags, staggered rollouts, and cohort-based deployments to power A/B testing and data-driven decisions. · Owned end-to-end development of the Teen Wallet product for Slice's younger user base. · Replaced polling with MQTT, reducing API calls by 90% and significantly lowering server load. · Built an end-to-end NPS platform spanning backend and Android, helping lift the Google Play rating from 3.3 to 4.5.

Roshan’s AI Stack

claude code
claude code
claude
claude
gemini
gemini
langchain
langchain
langgraph
langgraph
notion
notion

Education

Indian Institute of Technology (Banaras Hindu University), Varanasi

Bachelor of Technology - BTech

Indian Institute of Technology (Banaras Hindu University), Varanasi

20184 yrs2022
Somerville School - India

12th

Somerville School - India

Join Roshan and 10k+ other professionals on

Tal Boss

Tal is the app where bosses meet engineers & builders directly, without middlemen

Download Tal Boss

Roshan Jha on Tal

Headline

Engineering at Slice | IIT BHU

Location

India

AI stack

claude code

claude

gemini

langchain

langgraph

notion

Work experience

Co-Founder at Stealth, Sep 2025 - Present · 1 yr 1 mo, Bengaluru, · Integrated Razorpay (Android) and RevenueCat (iOS) with a unified backend entitlement service, abstract- ing webhooks and receipt validation into a single subscription state source. · Built real-time backend pipelines powering three concurrent content feeds (Home, Pulse, Catalyst) with shared caching and push-based state sync. · Designed a device-aware API layer with client-specific payloads/pagination, cutting mobile over-fetching. · Built backend services for on-demand fetching, caching, and streaming of BSE/NSE filings, enabling in-app document rendering at scale. · Implemented a distributed job scheduler for recurring background tasks (data sync, notification dispatch, report generation), with retry logic and dead-letter handling for failed jobs. Languages - Java, Kotlin, C++, Dart, Javascript Technologies - Spring Boot, MongoDB, DynamoDB, SQL, Docker, Android Studio, AWS, Jetpack Compose Dagger-Hilt, Coroutines, Redis, Kafka, PostgreSQL, Kubernetes, ElasticSearch Skills - Multithreading, Concurrency, System Design, RESTful APIs

Software Developer at slice, Jun 2022 - Feb 2024 · 1 y 8 mo, Bengaluru, · Optimized service performance with Redis caching, cutting p99 latencies and database load to deliver faster, more reliable user experiences. · Built UPI Rewards, a post-transaction gaming feature that drove user acquisition. · Designed and built the referral incentive system from the ground up, handling concurrency, idempotency, and fraud prevention — driving a 150% increase in user onboarding. · Set up SLO monitoring on Grafana with breach alerts for latency, downtime, and other key metrics, improving incident response and overall service reliability. · Built an in-house experimentation platform with feature flags, staggered rollouts, and cohort-based deployments to power A/B testing and data-driven decisions. · Owned end-to-end development of the Teen Wallet product for Slice's younger user base. · Replaced polling with MQTT, reducing API calls by 90% and significantly lowering server load. · Built an end-to-end NPS platform spanning backend and Android, helping lift the Google Play rating from 3.3 to 4.5.

Education

Bachelor of Technology - BTech, Indian Institute of Technology (Banaras Hindu University), Varanasi

12th, Somerville School - India

Roshan Jha - Co-Founder in India | Tal