Languages
JavaCC++PythonGo (Golang)TypeScript
Software Engineer Portfolio
I’m Varun,
Software Engineer focused on backend systems, distributed platforms, and AI-driven automation.
Building production software across enterprise platforms, developer tooling, and data-intensive systems.
Tech Stack
Technologies I use across backend systems, distributed services, data platforms, and AI-driven tooling.
Core tools and platforms used across backend engineering, platform automation, data-intensive systems, and applied machine learning work.
Databases & Warehousing
MySQLPostgreSQLMongoDBRedisMSSQLTeradataDatabricks
Backend Development
Spring BootFastAPIFlaskNodeJSExpressJS
AI / ML & MLOps
Scikit-learnTensorFlowMLflowAWS BedrockAWS SageMakerStreamlit
DevOps & Cloud
DockerKubernetesOpenShiftJenkinsGitLab CI/CDHelmGrafanaAWS
System & Tools
LinuxGitSeleniumMS Power PlatformSonarQubeVeracode
Professional Experience
Experience
A timeline of software engineering roles across enterprise platforms, backend services, automation, and applied AI systems.
August 2024 - PresentBarclays Execution Services Ltd. | Knutsford, United Kingdom
Technology Developer
Working across customer communications and wholesale lending platforms on backend services, CI/CD, observability, performance testing, and cloud-native deployment workflows in an enterprise engineering environment.
- Designed health, security, and cost dashboards tracking latency, throughput, concurrency, and traffic metrics for platform services.
- Built and maintained GitLab CI/CD pipelines with automated quality checks using unit tests, integration tests, JMeter, SonarQube, and Veracode.
- Developed containerized deployment workflows with Docker, Helm, and OpenShift for scalable service and ML delivery.
- Built a FastAPI-based automation service to scale non-production Kubernetes environments, reducing infrastructure costs by 20%.
- Contributed to Java 21 and Spring Boot 3 microservice upgrades and document-generation workflows integrated with AWS S3.
- Delivered ML-assisted incident triage and monitoring automation that reduced manual effort by 180+ hours per month.
JavaSpring BootPythonFastAPIDockerKubernetesHelmOpenShiftGitLab CI/CDGrafanaMSSQLTeradataSonarQubeVeracodeDatabricksAWS
January 2024 - June 2024JK Paper Ltd. | New Delhi, India
Data Science Intern
Delivered internal automation and portal workflows supporting digital transformation initiatives across operational teams.
- Built internal tools and dashboards to reduce manual operational work.
- Developed Python and Streamlit workflows backed by MySQL for business visibility and reporting.
PythonStreamlitMySQLPower Platform- June 2023 - August 2023
Barclays Execution Services Ltd. | Knutsford, United Kingdom
Developer Analyst Summer Intern
Contributed to enterprise API onboarding, monitoring, and service documentation within Barclays engineering teams.
- Supported API onboarding and monitoring improvements for internal engineering workflows.
- Worked in Java and Spring Boot services to improve delivery readiness and maintainability.
JavaSpring BootGradleMongoDBREST APIs 
June 2022 - July 2022Hero MotoCorp Ltd. | Gurugram, India
Information Systems Summer Intern
Automated internal workflows and built data extraction utilities to streamline repetitive business processes.
- Built web-scraping utilities for supplier data collection and processing.
- Automated internal data-entry tasks to reduce repetitive manual effort.
PythonSeleniumXPathBeautifulSoupAutomation Anywhere
November 2021 - January 2022The Wipe Hotwire India Thermal Equipments Private Ltd. | Neemrana, India
Software Engineer Intern
Built an internal IT portal to support asset and content management workflows for operational teams.
- Developed maintainable backend and UI flows for internal administrative use cases.
- Structured the portal around day-to-day operational workflows and usability.
PHPMySQLHTMLCSSBootstrap
Projects
Selected work with emphasis on system behavior, implementation choices, and the engineering problems each project was built to solve.
GateKeeper
Built a low-latency feature flag and dynamic configuration platform using a control plane and data plane architecture. Implemented deterministic rollouts, Redis-backed evaluation caching, RBAC, audit logging, and SDK-side local caching to model production platform behavior.
- Java
- Spring Boot
- PostgreSQL
- Redis
- React
Decrypto
Built a Python utility that detects and decrypts multiple cipher formats from ambiguous inputs. The pipeline combines candidate generation and language-based filtering to narrow outputs to likely plaintext.
- Python
- Flask
- Cryptography
- JavaScript
Shippr
Developed an ecommerce platform with separate customer and admin workflows for catalog, order, and product management. Covered application development alongside testing strategy and Selenium-based automation.
- MongoDB
- Express
- React
- Node.js
- Selenium
iDAS
Implemented a computer vision pipeline for traffic sign and signal detection using YOLO models on PyTorch. Focused on dataset preparation, model training, and inference quality for real-world scenarios.
- PyTorch
- YOLOv5
- YOLOv7
- Computer Vision
ManageX
Built an IT operations portal that consolidates asset and content workflows into a single internal system. Structured the application around maintainable backend logic, administrative workflows, and role-based access.
- PHP
- MySQL
- Bootstrap
- Admin Workflows
Contact
Open to internships, full-time roles, and conversations around software engineering, data, and product development.
