Summary
Overview
Work History
Education
Skills
Timeline
Projects
Work Preference
Vikas Jain
Open To Work

Vikas Jain

Gurugram

Summary

Senior Backend Engineer specializing in distributed systems, microservices, and AWS-based architectures. Experienced in building high-throughput systems (1M+ users, 100+ RPS), optimizing performance (15ms → 2ms), and delivering resilient, zero-downtime deployments. Strong focus on event-driven systems, system reliability, and GenAI-powered backend workflows.

Overview

6
6
years of professional experience

Work History

Senior Software Engineer

Publicis Sapient
Gurugram
11.2024 - Current
  • Built backend services for Verizon telecom platform using Java and Spring Boot microservices, supporting 1M+ users and ∼100 RPS.
  • Contributed to GenAI-powered eCommerce migration (monolith → microservices) using Domain-Driven Design, improving service modularity.
  • Developed scalable services using reactive programming and multithreading, improving throughput and responsiveness.
  • Resolved production issues impacting promotional accuracy via RCA (Kibana) and Elasticsearch reindexing.
  • Implemented resilience patterns (retry, circuit breaker) to ensure reliable service communication.
  • Integrated Helm-based deployments into GitLab CI/CD, enabling environment specific releases.
  • Assisted zero-downtime deployments using Canary, Blue-Green, and Shadow strategies on Kubernetes.
  • Mentored team for enhancing code quality from 20% code coverage to 95+% and release stability using Mockito testing and SonarQube checks.

Senior Backend Developer(Freelance)

Ibotix LLP
Noida
08.2023 - 08.2024
  • Architected AWS-based scalable backend systems with optimized caching layers, enabling 10x growth in user traffic.
  • Built Elasticsearch-powered search systems, improving accuracy by 40% and reducing latency by 50%.
  • Designed distributed services with high observability (Zipkin tracing) and improved debugging efficiency.
  • Conducted vendor performance evaluations (POCs), reducing system bottlenecks and improving reliability.

Senior Back-End Developer

SpryPt
Pune
05.2023 - 08.2023
  • Built backend services for healthcare workflows handling 100K+ daily requests.

Backend Developer

Tartan
Remote
09.2021 - 04.2023
  • Built event-driven microservices using AWS SQS for financial workflows, improving system scalability and decoupling.
  • Engineered APIs handling 5K+ requests/hour for financial verification systems with high availability.
  • Developed payroll data integration platform, enabling seamless data exchange across multiple providers.
  • Optimized database performance using indexing and caching (Redis), reducing latency from 15ms to 2ms.
  • Integrated CIBIL and KYC APIs, ensuring secure and compliant financial workflows.

Systems Engineer & Analyst

Infosys
Remote
12.2019 - 09.2021
  • Executed GST data extraction and query optimization for huge 2TB+ multi shard relational database with Apache Spark , enhancing data accessibility for Indian GST systems.

Education

Bachelor of Engineering - Computer Science Engineering

ITM Group of Institutions, Gwalior
07-2019

Skills

  • Languages: Java Backend Spring Boot, Reactive Programming, REST, GraphQL
  • Architecture: Microservices, Domain-Driven Design (DDD), Kubernetes, Helm, Docker, GitLab CI/CD
  • Cloud: AWS (EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, SQS, SES)
  • Databases: Postgres, DynamoDB, Elasticsearch, Redis

Timeline

Senior Software Engineer - Publicis Sapient
11.2024 - Current
Senior Backend Developer(Freelance) - Ibotix LLP
08.2023 - 08.2024
Senior Back-End Developer - SpryPt
05.2023 - 08.2023
Backend Developer - Tartan
09.2021 - 04.2023
Systems Engineer & Analyst - Infosys
12.2019 - 09.2021
ITM Group of Institutions - Bachelor of Engineering, Computer Science Engineering

Projects

  • Built non-custodial Web3 intent based payment gateway for blockchain-based stable coin transactions.
  • Designed backend systems using state-machine workflows, idempotent transaction handling, and caching strategies.
  • Integrated GenAI-assisted workflows for transaction validation and user interaction improvements.
  • Implemented 2FA , Oauth2 authentication and authorization for supporting multi-tenant users.

Work Preference

Job Search Status

Open to work
Desired start date: 2 weeks notice

Desired Job Title

Senior Backend Developer(Freelance)Senior Back-End DeveloperBackend DeveloperSystems Engineer & AnalystSenior Software Engineer

Work Type

Full TimePart TimeContract WorkGig WorkConsulting

Location Preference

On-SiteRemoteHybrid
Open to relocation: Yes

Salary Range

₹3500000/yr - ₹4500000/yr

Important To Me

Career advancementPersonal development programsWork from home optionCompany CultureWork-life balance
Vikas Jain