Available to hire
I’m Sunil Patel, a Senior Java Backend Engineer based in Dallas, with 4+ years of experience designing and scaling cloud-native, high-performance enterprise applications for Fortune 500 financial institutions. I focus on building robust backend services and distributed systems that handle high traffic, ensure security, and support real-time data processing.
I specialize in Java Spring Boot, microservices, AWS, and full-stack collaboration with frontend teams. I thrive in Agile environments, champion CI/CD, infrastructure as code, and strong observability to deliver reliable solutions end-to-end.
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Language
English
Fluent
Javanese
Fluent
Work Experience
Software Developer at Fidelity Investments
June 1, 2022 - PresentExtended an existing Angular application (Small Change Project) by developing a fully enhanced front-end interface that exceeded Fidelity’s UI/UX and performance standards. Built a complete Angular application from scratch as part of the FidZulu Project, collaborating with multiple cross-functional teams to deliver a fully integrated full-stack solution. Led coordination with three additional teams to ensure seamless integration of front-end components with back-end and middleware services for end-to-end delivery. Presented completed front-end solutions to LEAP associate teams across multiple locations, demonstrating strong communication and demo skills. Contributed to key architectural decisions, documentation, and knowledge transfer processes to support long-term maintainability and scalability of newly implemented features. Gained hands-on experience with JIRA, Agile methodologies, and self-managed workflows to deliver high-quality solutions within sprint timelines.
Software Developer at Capital One
June 1, 2021 - June 1, 2022Managed containerized applications on AWS ECS (Fargate and EC2 launch types), ensuring high availability, optimal performance, and cost-efficient resource utilization. Configured autoscaling policies to dynamically handle varying traffic patterns and maintain consistent service performance. Set up end-to-end monitoring and alerting systems using CloudWatch, Splunk, and New Relic, improving observability and proactive issue identification. Conducted performance and load testing to validate system scalability, identify bottlenecks, and implement improvements for better service reliability. Partnered with development teams to build and maintain CI/CD pipelines using AWS CodePipeline and Jenkins for rapid and stable deployments. Applied best practices for Infrastructure-as-Code (IaC) using CloudFormation to provision, manage, and version infrastructure consistently. Ensured alignment with security, compliance, and governance standards in a regulated financial environment. Contributed to bu
Software Developer at Capital One
January 1, 2021 - June 1, 2021Engineered backend data pipelines for Capital One Card processing thousands of files daily using AWS, Python data validation, and automated safety checks while contributing to the build-out of a next-generation cloud-based data platform. Designed, implemented, and optimized high-volume digital messaging systems that support real-time communication between Capital One and customers, leading multiple feature deliveries and providing expertise in performance tuning and cloud-cost optimization. Developed and enhanced the React-based front end for Slingshot Tech’s cloud warehouse management platform, creating reusable UI components, improving overall UX, and collaborating closely with backend and product teams. Built a real-time communication stream using Java Spring Boot and Apache Kafka, integrating with internal APIs and databases to deliver customer-specific dispute status updates, significantly improving system responsiveness and reliability. Conducted integration, functional, and un
Software Developer / Full Stack Engineer at Fidelity Investments
June 1, 2022 - PresentDelivered full-stack enterprise features across two major programs (Small Change Project and FidZulu) in a mission-critical investment platform. Built backend services with Java, Spring Boot, and REST APIs to support high-traffic, scalable systems. Designed and integrated microservices and API layers to enable seamless communication across frontend, middleware, and backend components. Optimized data processing to reduce latency. Led frontend work by delivering a fully enhanced Angular UI for Small Change and a greenfield FidZulu Angular app, coordinating across teams for end-to-end integration.
Software Developer / Cloud & Platform Engineer at Capital One
June 1, 2021 - June 1, 2022Managed containerized infrastructure, observability, and CI/CD operations for Capital One's digital banking microservices platform, ensuring high availability, cost efficiency, and regulatory compliance. On AWS ECS (Fargate/EC2), implemented autoscaling to handle traffic spikes. Built end-to-end observability pipelines with CloudWatch, Splunk, and New Relic, reducing MTTR. Implemented CI/CD with CodePipeline and Jenkins; applied IaC via CloudFormation for repeatable deployments. Resolved production incidents involving container orchestration, networking, and security under governance.
Software Developer / Backend & Data Engineer at Capital One
January 1, 2021 - June 1, 2021Engineered mission-critical backend data pipelines for Capital One Card Services and real-time messaging systems, processing thousands of daily file transactions and supporting the next-generation cloud data platform. Built a real-time streaming solution using Java Spring Boot and Apache Kafka integrated with internal APIs and databases to deliver customer dispute status updates. Also contributed to frontend work with reusable React UI components for Slingshot Tech's cloud warehouse platform.
Education
Associate of Science in Computer Science at Collin College
January 1, 2018 - May 1, 2020Associate of Science — Computer Science at Collin College
January 11, 2030 - May 1, 2020Qualifications
Industry Experience
Financial Services, Software & Internet, Professional Services
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Experience Level
Expert
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