Rajdeep Singh

Backend Engineer

Hyderabad, Telangana, India6 yrs 3 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.

Contact

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

6 yrs 3 mos
Total Experience
1 yr 4 mos
Average Tenure
10 mos
Current Experience

Deel

Backend Engineer

Jul 2025Present · 10 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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