Sangita Gupta
IT
London,United Kingdom
Summary
Accomplished full stack developer with expertise in Vue.js, HTML5, CSS3, JavaScript, and .NET Core. Proficient in backend development using C#, Web API, and RESTful services. Skilled in cloud architecture with AWS technologies such as Lambda, EC2, and S3. Adept at designing scalable microservices and serverless solutions following clean architecture principles. Experienced in database management with MS SQL Server and performance tuning. Strong background in DevOps practices including CI/CD pipelines and infrastructure as code using Docker and Terraform. Committed to quality through code reviews, unit testing, and secure API contracts. Proven leadership in agile environments with a focus on cross-functional collaboration and mentoring.
Overview
10
10
years of professional experience
1
1
Certification
Work history
Full stack developer
Experian
Nottingham, United Kingdom
2025.02 - Current
- Client: Experian
- Duration: Feb 2025 – Till Date
- Role: Full Stack Developer
- Location: United Kingdom
- Environment: AWS (Lambda, EC2, S3, DynamoDB), .NET Core/C#, Microservices, Serverless, API Gateway, SNS, SQS, EventBridge, REST APIs, SQL Server, Docker, Clean Architecture, CI/CD
- Project: Ascend Bureau and ROD : The Ascend Bureau platform and RoD(Retro on Demand) capability work together to give organisations fast, flexible access to past Bureau data for analytics, strategy testing, and regulatory purposes. Ascends provides the platform, while RoD provides the service that retrieves and orchestrates historic Bureau data.
- These are Ascend components that RoD uses to:
- Accept a retrospective request
- Validate configurations
- Orchestrate data retrieval
- Transform and output Bureau data
- Key Responsibilities & Contributions
- Worked closely with product owners and stakeholders to analyse requirements, refine user stories, and define technical solutions aligned with business goals.
- Designed and developed cloud-native microservices and serverless workflows using .NET Core and AWS services, enabling scalable and resilient backend systems.
- Built and enhanced REST APIs integrated with internal systems and cloud services (AWS), ensuring performance, reliability, and clean interface contracts.
- Took ownership and drove work independently without waiting for direction, ensuring continuous progress and timely delivery.
- Created and maintained shared Bruno API collections to streamline API testing and improve team collaboration.
- Instrumented and profiled applications using dotTrace and dotMemory to identify performance bottlenecks and memory issues.
- Delivered end-to-end features across UI and API layers, including:
KYC/KYB workflows
Error Threshold implementation across UI & reports
PCI status endpoint - Improved delivery execution by creating clear sub-tasks, removing blockers, managing dependencies, and coordinating effectively with QA and DevOps teams.
- Facilitated daily stand-ups and actively participated in requirement/design clarifications with cross-functional teams (FinCrime/QA).
- Refactored reporting modules using a factory pattern, improving scalability, maintainability, and code reuse.
- Resolved code quality and test issues including Sonar violations, Cypress failures, and unit test defects.
- Successfully promoted multiple changes across environments (DEV / TEST / STAGING / PROD) with stable deployments and minimal defects.
- Performed regular code reviews, ensuring adherence to development standards, secure coding practices, and performance optimisation.
- Maintained a strong focus on continuous learning, adapting quickly to changing requirements and evolving cloud-native best practices.
Senior Developer
easyJet
Luton
2023.05 - 2025.01
- Client: easyJet
- Duration: Aug 2023 – Sep 2024
- Role: Senior Developer
- Location: United Kingdom
- Environment: AWS (Lambda, EC2, S3, DynamoDB), .NET Core/C#, Microservices, Serverless, API Gateway, SNS, SQS, EventBridge, REST APIs, SQL Server, Docker, Clean Architecture, CI/CD
- Project: CORE – Commercial & Merchandising Platform Transformation : CORE is a strategic initiative aimed at enhancing easyJet’s commercial capabilities by modernising the technology landscape and improving business agility. The programme focuses on enabling new and improved merchandising features to unlock measurable commercial value through a multi-phase delivery approach.
- Key Responsibilities & Contributions
- Worked closely with product owners and stakeholders to analyse requirements, refine user stories, and define technical solutions aligned with business goals.
- Designed and developed cloud-native microservices and serverless workflows using .NET Core and AWS services, enabling scalable and resilient backend systems.
- Built and enhanced REST APIs integrated with internal systems and third-party services, ensuring performance, reliability, and clean interface contracts.
- Implemented event-driven architectures using SNS, SQS, and EventBridge, supporting asynchronous processing and decoupled communication between services.
- Developed data integrations using DynamoDB and SQL Server, ensuring efficient data modelling, query performance, and secure access patterns.
- Followed Clean Architecture principles, creating maintainable codebases with separation of concerns and strong testing practices.
- Containerised services with Docker for consistent development, testing, and deployment across environments.
- Conducted unit testing, debugging, and defect resolution, ensuring stable releases and reduced production issues.
- Actively participated in Agile delivery, including sprint planning, refinement, daily stand-ups, and sprint demos.
- Supported peers through pair programming, technical guidance, and collaborative problem-solving to improve delivery speed and code quality.
- Performed regular code reviews, ensuring adherence to development standards, secure coding practices, and performance optimisation.
- Maintained a strong focus on continuous learning, adapting quickly to changing requirements and evolving cloud-native best practices.
Dot Net Developer
London Stock Exchange Group
London
2022.05 - 2023.05
- Project: LSEG
- Client: London Stock Exchange Group
- Duration: 17-May-2022 to 12-May-2023
- Role: Net Developer
- Environment: Visual Studio 2015, C#, SQL Server
- Location: London
- Project Description: PRIME is a web-based application (.Net MVC) with SQL Server RDBMS back end. PRIME manages predominately Equities data with some Fixed Income data. PRIME stores data in 3 levels – Entity (The Issuer), Security (The type of Issue) & Instrument (The exchange where the security is listed). PRIME addresses the reference data like entity, security, instrument, corporate actions, dividends, free float etc and manages indices.
- Responsibilities:
- Code development and unit testing.
Education
M.C.A - Master of Computer Application
Heritage Institute of Technology
Kolkata, WBSkills
- Full Stack Development: Vuejs, HTML5, CSS3, JavaScript, NET Core / ASPNET Core
- Backend Development: C#, Web API, NET Minimal APIs, MVC, RESTful Services
- Cloud Architecture (AWS): Lambda, EC2, S3, DynamoDB, API Gateway, SNS, SQS, EventBridge
- Architecture & Design: Clean Architecture, Scalable Microservices, Serverless Solutions
- Database & ORM: MS SQL Server, Entity Framework (EF Core), Query Optimization, Performance Tuning
- DevOps & Automation: CI/CD, Docker, Terraform, AWS CloudFormation (IaC)
- Quality & Best Practices: Code Reviews, Unit Testing, Sonar Fixes, Secure & Reliable API Contracts
- Agile & Leadership: Agile/Scrum delivery, cross-functional collaboration (QA/DevOps/Product), mentoring
Certification
AWS Certified Solutions Architect – Associate
Disclaimer
I hereby declare that all the information furnished above is correct to the best of my knowledge and belief. Place: Date: (Sangita Gupta)
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