Sai Sathvik Reddy Loka
Professional Summary
Software Engineer with 4.5+ years of experience designing and delivering full-stack applications, scalable backend services, and event-driven microservices across insurance, healthcare, aviation, and retail technology domains. Proficient in React, TypeScript, Java, and Spring Boot for building production-grade APIs and responsive interfaces that serve thousands of concurrent users. Experienced with AWS-native architectures including Lambda, Step Functions, DynamoDB, and EKS, alongside Kafka for asynchronous distributed workflows. Applied LLM-powered RAG and agentic AI techniques to reduce response latency and operational cost in real production systems. Practiced in securing services with OAuth2, JWT, and Okta SSO, and in sustaining reliability through OpenTelemetry, Dynatrace, Prometheus, and Splunk observability. Consistently takes end-to-end ownership from system design and implementation through automated testing, CI/CD deployment, and production monitoring.
Technical Skills
Work Experience
- Architected full-stack product creation features using React and TypeScript on the frontend and Node.js with Fastify on the backend, supporting over 1,000 internal users across global merchandising teams.
- Optimized React rendering pipelines by introducing debounced search, shared component libraries, and targeted data-fetching patterns, measurably improving responsiveness across interaction-heavy catalog workflows.
- Designed REST APIs and orchestrated multi-step business processes with AWS Lambda and Step Functions, covering sequential execution, parallel branching, human approval gates, and rejection recovery flows.
- Built data access services against DynamoDB using GSIs, TTL-based expiration, and Redis-layer caching to serve millions of product records with low-latency retrieval.
- Integrated OpenSearch to power full-text and filtered product discovery across a large catalog, enabling fast attribute-based searches previously handled by expensive database scans.
- Delivered an agentic AI knowledge assistant backed by LLMs, RAG pipelines, embeddings, hybrid search, and semantic caching, reducing assistant response latency by 30% and infrastructure cost by 20%.
- Engineered versioned Java and Spring Boot REST APIs for the order management platform, sustaining peak throughput of up to 300,000 requests per minute under production load.
- Strengthened platform reliability by implementing Okta and JWT authentication+ JUnit test coverage, and building failed-order recovery tooling that saved hundreds of developer hours each month.
- Built modular Spring Boot microservices and REST APIs covering insurance policy quoting, claims adjudication, and renewal workflows, improving service reliability across interconnected policy administration domains.
- Developed customer and agent-facing dashboards with React and Redux Toolkit, applying Tailwind CSS for a consistent design system that improved user engagement by 30%.
- Secured all service endpoints with OAuth2 and Okta SSO, enforcing role-based access for agents, customers, and internal administrators across the policy platform.
- Containerized microservices using Docker and deployed them to EKS with Helm charts, standardizing release packaging and enabling reliable rollbacks during policy processing incidents.
- Implemented asynchronous claims and policy event streaming with Kafka, decoupling downstream services and eliminating synchronous bottlenecks in high-volume renewal cycles.
- Instrumented services with Prometheus and Grafana dashboards alongside Splunk alerting, reducing incident mean-time-to-resolution for production policy processing issues.
- Delivered patient portal and EHR scheduling workflows using Angular on the frontend and Spring Boot on the backend, ensuring HIPAA-aligned handling of protected health information throughout each data flow.
- Refactored legacy monolithic healthcare modules into discrete Spring Boot microservices, reducing inter-service coupling and enabling independent deployment of patient registration and clinical documentation features.
- Implemented OAuth2, JWT, and role-based access control to enforce clinical and administrative access boundaries across patient, provider, and billing personas.
- Tuned PostgreSQL queries and Hibernate data-access patterns for EHR data retrieval, cutting average database query execution time by 30% during peak clinical-hours load.
- Automated CI/CD build and deployment pipelines using Jenkins, Git, and Docker, reducing manual release steps for healthcare application updates and enabling consistent environment parity.
- Partnered with QA, product, and clinical stakeholders on Agile sprint delivery, translating compliance requirements into testable acceptance criteria and maintaining production stability across regulated EHR data.
- Developed customer-facing flight booking interfaces and internal operations modules using Angular, delivering maintainable, component-driven frontends aligned with airline UX standards.
- Designed Spring Boot microservices integrated with Apache Kafka to handle asynchronous order and flight-status events, decoupling downstream airline services from synchronous API dependencies.
- Built an event-driven notification system that consumed Kafka order and status-change topics to trigger timely email and in-app updates across booking and operations downstream services.
- Secured airline REST endpoints with Spring Security and JWT role-based access control, protecting passenger data and internal operations APIs from unauthorized access.
- Optimized MySQL query plans and MongoDB aggregation pipelines for flight inventory and booking data, reducing service response time by 25% during high-traffic booking windows.
- Authored JUnit and Mockito unit and integration test suites covering core booking and notification services, reducing post-deployment production defects.
- Automated deployment workflows using Jenkins, Docker, and AWS, enabling repeatable release cycles and faster rollback for time-sensitive airline operations updates.
Education
Achievements
- 1st Place — Inter-College Programming Competition: Ranked first among 1,500+ participants in a competitive inter-college programming contest.
- Top 10 Finalist — National FinTech Hackathon: Selected as a top 10 finalist in a national-level FinTech hackathon out of a large competitive field.
- Graduate Merit Scholarship: Awarded a merit-based scholarship during graduate studies at Wright State University.
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