Siddharth Mahajan – Freelance Web Developer, Solution Architect & Cloud Engineer
Hi, I'm Siddharth Mahajan (also known as siddharth-mhjn and siddharthmhjn). I'm a freelance web developer, solution architect, and cloud engineer based in India with 3+ years of experience.
About Me
Cloud Engineer, Full-Stack Developer, and Software Architect with expertise in building scalable, secure cloud-native systems. Skilled in Kubernetes, Istio, Spring Boot, Spring Cloud, Keycloak, and observability tools like OpenSearch, Prometheus, and Grafana. Experienced in designing API Gateways, automating infrastructure, and building real-time data pipelines across enterprise environments.
Technical Skills
- Cloud & DevOps: Docker, Podman, Kubernetes, Rancher, Istio, Azure/AKS, AWS, VMware, Nginx, CI/CD
- Programming: Java, C/C++, Python, Bash, Shell, PowerShell
- Frameworks: Spring Boot, Spring Cloud, Spring Security, Vue.js, Quasar, HTML, CSS, Tailwind CSS
- Data & Security: MySQL, PostgreSQL, OpenSearch, Prometheus, Grafana, Kafka, APISIX, Keycloak
Professional Experience
Software Engineer I – Astreya (June 2025 – Present)
Developed a reactive API Gateway with Spring Cloud Gateway. Implemented multi-tenant authentication with Keycloak and OAuth2 across distributed Kubernetes environments. Set up centralized logging with OpenSearch.
Member Technical Staff – NEC India (April 2025 – June 2025)
Built 4+ real-time data pipelines for smart city projects. Deployed EFK logging with Istio on Kubernetes, cutting root cause analysis time by 50%.
Software Engineer – LTIMindtree (July 2022 – March 2025)
Managed 5+ enterprise Kubernetes clusters with Istio service mesh. Built a custom API Gateway and telemetry platform processing terabytes of monitoring data.
Featured Projects
Protofolio_
A collection of 6 professionally designed portfolio templates with a retro terminal-style landing page. Technologies: HTML, Tailwind CSS, JavaScript, JSON.
API Gateway Solution
Scalable API gateway with rate limiting, authentication, and analytics dashboard. Technologies: APISIX, Keycloak, Docker.
Freelance Services
Siddharth Mahajan is available for freelance web development, cloud architecture consulting, Kubernetes solutions, and platform engineering. He is one of the best freelance web developers specializing in modern cloud-native technologies.
Contact Siddharth Mahajan