Software Developer Engineering

YASWANTH NATH MADDELA

Carbondale, IL +1-618-***-**** *************@*****.*** LinkedIn GitHub PROFESSIONAL SUMMARY

Software Developer with hands-on experience delivering scalable, cloud-ready applications across frontend, backend, and DevOps environments. Skilled in designing React.js interfaces, Node.js/Express.js microservices, and SQL/NoSQL databases, improving performance and reliability for enterprise-scale systems. Experienced in deploying and managing workloads with AWS, Docker, and Kubernetes, ensuring fault-tolerant, highavailability operations. Proficient in CI/CD pipelines, GraphQL APIs, and API-driven integrations, accelerating release cycles and enhancing crosssystem interoperability. Strong foundation in algorithms, data structures, and software engineering practices, with proven ability to translate complex requirements into secure, efficient, and user-focused solutions aligned with modern full stack, backend, cloud, and DevOps engineering roles. TECHNICAL SKILLS

Programming & Scripting: JavaScript (ES6+), TypeScript, Python, Java, C++, SQL. Frontend Development: React.js, Next.js, Redux, HTML5, CSS3, Tailwind CSS, Bootstrap, Responsive Web Design. Backend Development: Node.js, Express.js, RESTful APIs, GraphQL, Microservices, Authentication & Authorization. Databases: MySQL, MongoDB, PostgreSQL, Firebase.

Cloud & DevOps: AWS (EC2, S3, RDS, Lambda), Docker, Kubernetes, GitHub Actions, Jenkins, CI/CD Pipelines. Tools & Platforms: Git, GitHub, GitLab, VS Code, IntelliJ, Linux. Software Engineering Practices: Agile (Scrum), Test-Driven Development (TDD), SDLC, Design Patterns, Version Control.

PROFESSIONAL EXPERIENCE

Software Developer Jan 2023 - Dec 2023

Propel Technology Solutions Chennai, TN

• Delivered React.js task management and address book apps with full CRUD capabilities, reducing postrelease defect rates by 25% and giving end-users smoother navigation.

• Tuned MySQL indexing and queries to handle large datasets efficiently, cutting response times by 18% and allowing dashboards to load analytics almost instantly.

• Leveraged React Hooks and Context API to centralize state, removing duplicate logic across modules and enabling the team to roll out new features 20% faster.

• Investigated rendering bottlenecks with Chrome DevTools and optimized component lifecycles, boosting front-end responsiveness by 15% during heavy user interactions.

• Crafted responsive UIs with Bootstrap and CSS3, ensuring layouts adapted seamlessly to mobile devices and improving accessibility scores by 30% in client audits.

• Integrated secure REST APIs with JWT authentication, protec ting sensitive records and enabling seamless data synchronization across multiple internal systems.

• Established automated tests with Jest and React Testing Library, lifting code coverage to 85% and reducing regression incidents during releases by nearly half.

• Automated deployments using GitHub Actions and Docker, which shortened release cycles by 35% and gave consistent builds across dev, staging, and production. Virtual Software Engineering Intern Jun 2022 - Dec 2022 Remote

• Built microservice-based applications with React.js and Node.js, improving modularity and enabling more efficient scaling of individual services.

• Enhanced front-end responsiveness by integrating RESTful APIs, reducing page reload delays and increasing user engagement by 30%.

• Applied GitHub version control and conducted peer code reviews, which minimized merge conflicts and accelerated delivery timelines.

• Performed unit and integration testing on service modules, ensuring 95% defect-free deployments in staging environments.

• Optimized backend reliability by refining Express.js APIs and database queries, lowering latency and strengthening system stability.

• Implemented Docker-based containerization for deployment pipelines, reducing environment setup issues and cutting preparation time by 15%.

PROJECTS

E-Commerce Platform with Microservices Architecture

• Built a React.js storefront with reusable components, guarded routes, and REST/GraphQL integrations for cart, checkout, and payments, sustaining 50K+ concurrent users and improving Core Web Vitals to 90+ across pages.

• Implemented Node.js/Express microservices with JWT auth, API gateway, rate limiting, and idempotent order handling over MongoDB, cutting checkout failure rates by 30% and holding p95 API latency under 250 ms.

• Containerized services with Docker and deployed on AWS EKS using HPA, Pod Disruption Budgets, and blue- green via GitHub Actions + CodePipeline, maintaining 99.9% uptime and reducing release time by 40%. Real-Time Chat & Collaboration App

• Developed a React UI with WebSockets for real-time messaging, presence, typing indicators, and read receipts, supporting 10K+ simultaneous sessions and delivering sub-150 ms message latencies in load tests.

• Optimized Node.js services with Redis pub/sub and PostgreSQL partitioned tables, adding backpressure and rate limits that lowered retrieval latency by 35% and kept p99 under 300 ms during spikes.

• Deployed Dockerized services on AWS (EC2, RDS, S3, CloudFront) with auto-scaling groups and GitHub Actions CI/CD, achieving fault-tolerant scaling and a 30% infrastructure cost reduction. Cloud-Native Online Banking System

• Engineered Spring Boot REST APIs for accounts, transfers, and statements with Spring Security JWT, ACID transactions, and audit trails on MySQL, reducing reconciliation errors by 40% and improving data integrity.

• Delivered a React dashboard with secure forms, role-aware views, and lazy-loaded charts, enabling real- time balance and activity insights while cutting page load times by 25% on typical client devices.

• Leveraged AWS Lambda with API Gateway for event-driven notifications and idempotent transfers, integrated Dockerized services on ECS, boosting reliability and trimming operational costs by 20%. EDUCATION

Master of Science in Computer Science Jan 2024 - Dec 2025 Southern Illinois University Carbondale

Bachelor of Technology in Computer Science Jul 2019 - May 2023 Parul Institute of Engineering and Technology University Gujarat CERTIFICATIONS

• IBM Full Stack Software Developer Professional Certificate - Coursera

• AWS Cloud Practitioner Essentials - Coursera

• Full Stack Web Development - ShapeAl

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