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I am a backend systems engineer with over a decade of experience building scalable, high-performance backend services and cloud-native apps. I specialize in Java (Spring Boot) and Node.js, crafting microservices and event-driven architectures that handle high-throughput workloads on AWS and Azure. I also design real-time data pipelines, integrate ML-powered forecasting into production systems, and lead architecture decisions with a strong ownership mindset. I thrive in fast-paced environments and mentor teams to deliver reliable software.…I am a backend systems engineer with over a decade of experience building scalable, high-performance backend services and cloud-native apps. I specialize in Java (Spring Boot) and Node.js, crafting microservices and event-driven architectures that handle high-throughput workloads on AWS and Azure. I also design real-time data pipelines, integrate ML-powered forecasting into production systems, and lead architecture decisions with a strong ownership mindset. I thrive in fast-paced environments and mentor teams to deliver reliable software.

KEVIN LEE CROWDER

Back-End Developer, Full Stack Developer, Web Developer, +3

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I am a backend systems engineer with over a decade of experience building scalable, high-performance backend services and cloud-native apps. I specialize in Java (Spring Boot) and Node.js, crafting microservices and event-driven architectures that handle high-throughput workloads on AWS and Azure. I also design real-time data pipelines, integrate ML-powered forecasting into production systems, and lead architecture decisions with a strong ownership mindset. I thrive in fast-paced environments and mentor teams to deliver reliable software.…I am a backend systems engineer with over a decade of experience building scalable, high-performance backend services and cloud-native apps. I specialize in Java (Spring Boot) and Node.js, crafting microservices and event-driven architectures that handle high-throughput workloads on AWS and Azure. I also design real-time data pipelines, integrate ML-powered forecasting into production systems, and lead architecture decisions with a strong ownership mindset. I thrive in fast-paced environments and mentor teams to deliver reliable software.

Available to hire

I am a backend systems engineer with over a decade of experience building scalable, high-performance backend services and cloud-native apps. I specialize in Java (Spring Boot) and Node.js, crafting microservices and event-driven architectures that handle high-throughput workloads on AWS and Azure.

I also design real-time data pipelines, integrate ML-powered forecasting into production systems, and lead architecture decisions with a strong ownership mindset. I thrive in fast-paced environments and mentor teams to deliver reliable software.

Skills

Experience Level

Expert

Expert

Expert

Expert

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Expert

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Expert

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Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer (Lead) at Eagleanalytix

January 1, 2022 - March 1, 2026

Led development of multi-tier applications using C# (.NET / ASP.NET Core), Java (Spring Boot), and Python, building scalable backend services and full-stack web solutions with JavaScript (React/Angular). Designed and implemented event-driven architectures and distributed systems processing millions of events daily, improving system throughput by 3× and enabling real-time workflows. Built and optimized high-performance APIs using C#, Java, and Node.js, reducing latency by ~35% through efficient service design, caching strategies, and optimized data access. Developed secure and scalable backend systems leveraging AWS services (Lambda, API Gateway, DynamoDB, S3) and adaptable to Microsoft ecosystems (ASP.NET Core, Azure-ready architectures). Implemented database engineering practices across PostgreSQL, SQL Server, and Oracle, including indexing, partitioning, and query optimization, improving query performance by up to 60%. Delivered full-stack web solutions using ASP.NET Core, React/Ang

Java Developer at Gibmedia

April 1, 2019 - December 1, 2021

Built high-concurrency, API-driven microservices using Java (Spring Boot), C# (ASP.NET Core), and Python, supporting scalable distributed systems across multi-tier architectures. Developed and optimized RESTful services in C#, Java, and JavaScript (Node.js), reducing latency by ~25% and improving overall system throughput. Implemented asynchronous workflows and distributed processing patterns (event-driven, queue-based) to enhance scalability, resiliency, and fault tolerance. Integrated backend systems with PostgreSQL and SQL Server (Entity Framework Core), applying indexing and query optimization to improve database performance by ~40%. Supported cloud-native deployments across AWS and Azure, building CI/CD pipelines (GitLab, Jenkins) to improve release stability and uptime. Applied software engineering best practices including unit/integration testing, code reviews, and validation frameworks, reducing defects. Led cross-functional collaboration using Jira, GitLab, and modern dev tool

Java Backend Developer at Actagan

January 1, 2018 - March 1, 2019

Developed scalable backend systems using C#, Java (Spring Boot), and ASP.NET Core, delivering high-performance RESTful APIs and microservices. Designed event-driven, asynchronous architectures to improve reliability and support distributed processing at scale. Built and integrated secure services using C++, Python, and Java, ensuring robust transaction handling and data integrity. Optimized relational (SQL Server) and NoSQL (DynamoDB, MongoDB) databases, reducing query latency and improving throughput. Deployed cloud-native applications on AWS (Lambda, API Gateway) with secure, scalable infrastructure design. Implemented CI/CD pipelines (GitLab, Jenkins) to automate builds, testing, and deployments. Practiced unit/integration testing, code reviews, and version control, diagnosing complex issues and improving reliability. Collaborated in Agile teams using Jira.

Frontend Developer at ThunderSMS

August 1, 2013 - December 1, 2017

Developed responsive web applications using JavaScript (React/Angular) integrated with backend API-driven microservices (C#, Java, Python). Built real-time features and interactive components to enhance responsiveness and user experience. Automated business workflows and backend processes using Python, C#, and Java to reduce manual effort and improve efficiency. Optimized frontend performance and ensured cross-browser compatibility while improving API efficiency. Collaborated with backend engineers to debug and improve reliability across C++, C#, Java, and Python services. Contributed to full-stack development using ASP.NET Core, JavaScript frameworks, and relational databases (SQL Server).