RAJDEEP SINGH

LinkedIn | Github

About

A highly motivated and skilled software engineer with experience in developing and implementing innovative solutions for various industries. Proficient in multiple programming languages and frameworks, with a strong understanding of database systems and serverless architectures.

Work Experience

Software Engineer

Park+ (Earlier Parkwheels)

Dec 2025 - Present

  • Designed and implemented a search feature on the Park+ app that allows users to find nearby parking locations based on their search queries using elasticsearch.
  • Developed and deployed the Parakh App backend using Ruby on Rails, digitalizing owner-tenant verification for 100k users.
  • Designed and implemented a flexible and scalable pricing engine using JSON as the primary data format, capable of accommodating various pricing schemes.

Senior Software Engineer

Topo

Dec 2025 - Present

AI SDR agents for Outbound Strategy

  • Designed and implemented a plug-and-play CRM integration architecture, enabling seamless support for multiple CRMs with minimal code changes.
  • Redesigned the outbound strategy from single-channel (email) to multi-channel, integrating LinkedIn while ensuring smooth sequence management.
  • Optimized codebase for scalability and flexibility, enhancing platform adaptability for future channel additions.

Senior Software Engineer

Rizzle

Dec 2025 - Present

Text/Audio/Video to Video Conversion AI Platform

  • Worked as part of the core engineering team to develop AI-generated audio/video content that is similar to the format of Youtube Shorts.
  • Collaborated closely with ML engineers to integrate an orchestration layer into our core backend systems. Components involved as part of this orchestration were Claude Opus for keyword generation, Getty as image provider, and Eleven labs for TTS, Using AWS SQS with DLQ.
  • Built a fault tolerant orchestration layers which talked to Claude with GPT models as fallback, Image datasource and Elevenlabs to support to core technology of Rizzle.

Founding Engineer

Polkassembly

Dec 2025 - Present

  • Built the governance platform for Polkadot Blockchain
  • Lead multiple small teams averaging 3 developers across 3 products.
  • Built a Backend service harvesting blockchain's data into a postgres db server and exposing a graphql server endpoint for FE.
  • Implemented server-side caching and client-side bundle optimization resulting in 200% improvement in FCP, LCP along with a 10x improvement in SS response times.
  • Led the development of Inscriptions on Polkadot resulting in 3M txns/day beating previous high of 700k in 2021.

Software Engineer

Dhani Loans and Services Limited (Previously Indiabulls Consumer Finance)

Dec 2025 - Present

  • Built and integrated APIs for third-party services such as payment gateways, shipping providers, and order management systems.
  • Implemented search solutions using Elasticsearch, ensuring optimal performance, scalability.
  • Led the development of a micro-feature resulting in revenue generation of 2CR INR in a day.
  • Implemented search relevance strategies, such as boosting, synonyms, or stopwords, to improve search accuracy along with autocomplete api.

Education

Electrical Engineering

Indian Institute of Technology, Patna

Jan 2015 - Jan 2019

Skills

Programming Languages

  • Python
  • Typescript
  • NodeJs
  • SQL
  • GraphQL

Databases

  • MySQL
  • Postgres
  • MongoDB
  • ElasticSearch

Frameworks

  • FastAPI
  • Django
  • Flask
  • Express
  • React

Serverless

  • AWS lambdas
  • Firebase functions (http invocations, pub sub)