Vaibhav Sachan — Software Engineer

🚀 Engineering Scalable Systems that Power Millions and Keep Growing Throughout my 5+ years journey as a software engineer, I’ve architected and delivered high-impact, production-grade systems that seamlessly scale to support millions of users. In one notable project, I led the backend redesign of a core service, improving system reliability by 40% and enabling horizontal scaling that handled a 5x surge in traffic with zero downtime. 💡 Passionate About Solving Hard Problems That MatterI specialize in designing resilient, high-performance backend systems using modern technologies like Node.js, TypeScript, and AWS. From microservices to event-driven architectures, I’ve tackled latency issues, optimized infrastructure costs, and shipped features that directly impacted user growth and engagement. 🛠 Tech Stack & Engineering Toolkit Languages: Node.js, TypeScript, JavaScript Cloud & DevOps: AWS, Docker, CloudFormation Databases: PostgreSQL, MongoDB, DynamoDB Architecture: Microservices, Distributed Systems, RESTful & Event-Driven APIs Practices: CI/CD, System Design, Code Reviews, Agile Development 🌱 Growth Mindset & Engineering Leadership Beyond just shipping code, I’m committed to code quality, team collaboration, and mentoring. I thrive in high-performance teams and contribute not just as an IC but also by fostering engineering best practices and knowledge sharing. 🎯 What’s Next My goal is to drive system architecture and backend excellence at a world-class product company—where performance, scale, and user impact matter. I'm excited to work alongside talented engineers, solve complex problems, and help build the next generation of products used by millions globally. If you're hiring or building something exciting, let’s connect.

Stackforce AI infers this person is a Backend-focused Software Engineer with expertise in Fintech and Healthcare industries.

Location: Gurugram, Haryana, India

Experience: 5 yrs 3 mos

Skills

Backend Development
Microservices
Api Development
Software Architecture

Career Highlights

Led backend redesign improving reliability by 40%
Architected scalable systems for millions of users
Passionate about mentoring and engineering best practices

Work Experience

Xoriant

Software Engineer (1 yr 9 mos)

Studio Graphene

Software Engineer (1 yr 11 mos)

Tata Consultancy Services

Software Engineer (1 yr 2 mos)

Associate Software Engineer (5 mos)

Rail Vikas Nigam Limited

Internship Trainee (1 mo)

Education

Spanish as a Foreign or Second Language at Instituto Cervantes de Nueva Delhi

French as a Second or Foreign Language at Alliance Française de New Delhi

Bachelor of Technology - BTech at Dr. A.P.J. Abdul Kalam Technical University

Vaibhav Sachan

Software Engineer

Gurugram, Haryana, India5 yrs 3 mos experience

Key Highlights

Led backend redesign improving reliability by 40%
Architected scalable systems for millions of users
Passionate about mentoring and engineering best practices

Stackforce AI infers this person is a Backend-focused Software Engineer with expertise in Fintech and Healthcare industries.

Contact

Skills

Core Skills

Backend DevelopmentMicroservicesApi DevelopmentSoftware Architecture

Other Skills

Node.jsTypeScriptGraphQLREST APIsExpress.jsDockerAWSPostgreSQLDynamoDB.NetSimulinkMATLABJavaScriptCloud Infrastructure (AWS)Product Development

About

Experience

Xoriant

Software Engineer

Jul 2024 – Present · 1 yr 9 mos · Gurugram · Hybrid

Worked with Nomo Fintech, a fintech subsidiary of BLME bank, built on a microservices architecture delivering secure, scalable, and user-friendly onboarding experiences.
Led the design and lifecycle of APIs for user onboarding, including KYC, identity verification, and risk scoring, enabling seamless customer activation and reducing onboarding time.
Spearheaded security enhancements, blocking 90% of spam signups by integrating hCaptcha, Auth0, and rate-limited endpoints, strengthening fraud prevention.
Build features and backend services using Node.js with TypeScript, Express.js, and serverless architecture on AWS.
Develop GraphQL and REST APIs for scalable and maintainable microservices.
Collaborate with cross-functional teams to analyze user requirements and enhancements that directly influence product direction and stakeholder decisions.

Node.jsTypeScriptBackend DevelopmentMicroservices

Studio graphene

Software Engineer

Aug 2022 – Jul 2024 · 1 yr 11 mos · Gurugram, Haryana, India · Hybrid

Worked with Canopy, a UK based Fintech application.
Shipped bi-monthly project releases for a mono-repo microservices architecture.
Built new microservices, REST and GraphQL based APIs and features in Node.js/Express.js and server-less on AWS.
Provided maintenance and modifications on existing microservices.
Worked with PostgreSQL & DynamoDB database and Redis cache.
Integrated third-party APIs for payment, open banking, credit reporting and credit score improvement.
Day-to-day tasks included but were not limited to, product management with Product Managers, Product Owners and other business stakeholders, to provide technical expertise on UI, UX and product enhancements.
Lead the team to implement technical requirements provided by the stakeholders.
Worked with Atlassian JIRA for project management, issue tracking and workflow.
Developed the back-end for a sports user-acquisition game for clients in UK’s gambling market.
Hosted and maintained the application on AWS using Terraform.
Integrated third party APIs for real-time sports feed.

Express.jsDockerBackend DevelopmentMicroservices

Tata consultancy services

2 roles

Software Engineer

Promoted

Jun 2021 – Aug 2022 · 1 yr 2 mos · Remote

As a Project Analyst within the TrackWise team, a Supplier Quality Management (SQM) tool, for Eli Lilly, a US based pharmaceutical company,I fulfilled a multi-faceted role.
Developed object-oriented code in Node.js/Express.js and .Net with accordance to industry and company standards.
Developed APIs for company's TrackWise environments.
Performed manual testing using HP ALM.
Developed two automated tools for log crawling and detecting missing file attachments using Powershell.
Lead the reporting team and developed reports using SAP Crystal Reports and performed maintenance on existing reports.
Assisted TrackWise Administrators with tasks such as FCV reports, etc.
Worked with ServiceNow for project management, issue tracking and workflow.

Express.jsAPI DevelopmentSoftware Architecture

Associate Software Engineer

Jan 2021 – Jun 2021 · 5 mos · Remote

Rail vikas nigam limited

Internship Trainee

Jun 2019 – Jul 2019 · 1 mo · New Delhi, Delhi, India

Explored railway infrastructure development at RVNL, India.
Leveraged Simulink and MATLAB for electrification projects on new railway lines.
Gained hands-on experience in project management and technical problem-solving.

SimulinkMATLAB