Rajdeep Singh

Backend Engineer

Hyderabad, Telangana, India6 yrs 2 mos experience

Key Highlights

  • Led a team of 15+ engineers in product development.
  • Achieved 3M transactions/day with a viral Polkadot app.
  • Designed scalable architectures for rapid client onboarding.
Stackforce AI infers this person is a Backend Engineer with expertise in SaaS and Blockchain technologies.

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Skills

Core Skills

Backend DevelopmentSoftware DevelopmentEngineering Management

Other Skills

API developmentAPI integrationAlgorithmsAmazon Web Services (AWS)BlockchainC++CRM integrationsData StructuresDjango REST FrameworkElasticsearchEngineeringFlaskGraphQLKafkaKibana

About

I have four years of professional working experience, specializing in Python and TypeScript for backend development utilizing popular frameworks such as Django and Flask in the Python ecosystem.

Experience

Deel

Backend Engineer

Jul 2025Present · 8 mos · Remote

Topo (yc w24)

Senior Software Engineer

Oct 2024Feb 2025 · 4 mos · Paris, Île-de-France, France · Remote

  • Spearheaded foundational initiatives at Topo, focusing on CRM integrations and multi-channel outbound strategies.
  • Designed a scalable, plug-and-play CRM integration architecture, enabling rapid client onboarding.
  • Developed an Apollo-like workflow for multi-channel outreach, enhancing campaign flexibility and effectiveness.
CRM integrationsmulti-channel outbound strategiesscalable architectureBackend DevelopmentSoftware Development

Polkassembly

Founding Member

Apr 2023Sep 2024 · 1 yr 5 mos · Remote

  • Held dual responsibilities as a Founding Engineer and Fractional CTO, leading a 15+ member
  • engineering team across multiple product verticals.
  • Led the launch of 3 strategic products, including a viral application built on Polkadot that drove
  • network usage to 3M transactions/day—surpassing the previous all-time high of 700K.
  • Spearheaded platform-wide revamps to improve system performance and efficiency, resulting in a
  • 200%+ boost in web vitals (FCP, LCP) and a 10x improvement in backend response times.
  • Fostered team growth through regular technical sessions and mentorship, driving engineering
  • excellence while ensuring execution remained tightly aligned with business objectives.
Polkadotproduct launchteam leadershipsystem performanceEngineering ManagementBackend Development

Dhani

Senior Software Engineer

May 2021Apr 2023 · 1 yr 11 mos · Mumbai, Maharashtra, India · Remote

  • Core developer for dhani app (E-commerce).
  • Built and integrated APIs for third-party services such as payment gateways, shipping providers
  • and order management systems.
  • Collaborated with cross-functional teams such as frontend developers, designers, and product
  • managers to ensure alignment with business requirements and user needs.
  • Designed and implemented search solutions using Elasticsearch, ensuring optimal performance,
  • scalability, and relevance.
  • Implemented search relevance strategies, such as boosting, synonyms, or stopwords, to improve
  • search accuracy along with autocomplete api.
  • Worked upon migrating the monolith architecture to microservices with contributions to order
  • and refund services.
API integrationElasticsearchmicroservicescollaborationBackend DevelopmentSoftware Development

Park+

Software Development Engineer

Aug 2019May 2021 · 1 yr 9 mos · Gurugram, Haryana, India · On-site

  • 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.
  • Led the development and deployment of the backend system for the Parakh App using Ruby on
  • Rails (ROR) as the primary technology stack. The app aims to digitalize the owner and tenant
  • verification process
  • Worked closely with the Delhi Police team to gather requirements and design the system
  • architecture, data models, and APIs.
  • During my time at the organisation nearly 1 lakh people were verified using this app.
  • Designed and implemented a flexible and scalable pricing engine using JSON as the primary data
  • format, capable of accommodating various pricing schemes for parking locations based on
  • multiple parameters such as location, time, duration, and demand.
search feature designsystem architectureAPI developmentBackend DevelopmentSoftware Development

Education

Indian Institute of Technology, Patna

Bachelor of Technology - BTech

Aug 2015May 2019

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