I am a software developer with 3+ years of experience building scalable applications using React.js, Node.js, and Spring Boot, delivering high-volume systems handling 1M+ API requests. I focus on reliable, efficient back-ends and responsive frontends to create seamless user experiences. I have hands-on experience with AWS (EC2, S3, Lambda), MongoDB, PostgreSQL, and Redis, and I integrate AI/ML capabilities using Python, NLP, and OpenAI APIs. I thrive in agile teams, design REST APIs and microservices, and emphasize CI/CD and secure software development to support production healthcare and insurance platforms.

Kello Guteta

I am a software developer with 3+ years of experience building scalable applications using React.js, Node.js, and Spring Boot, delivering high-volume systems handling 1M+ API requests. I focus on reliable, efficient back-ends and responsive frontends to create seamless user experiences. I have hands-on experience with AWS (EC2, S3, Lambda), MongoDB, PostgreSQL, and Redis, and I integrate AI/ML capabilities using Python, NLP, and OpenAI APIs. I thrive in agile teams, design REST APIs and microservices, and emphasize CI/CD and secure software development to support production healthcare and insurance platforms.

Available to hire

I am a software developer with 3+ years of experience building scalable applications using React.js, Node.js, and Spring Boot, delivering high-volume systems handling 1M+ API requests. I focus on reliable, efficient back-ends and responsive frontends to create seamless user experiences.

I have hands-on experience with AWS (EC2, S3, Lambda), MongoDB, PostgreSQL, and Redis, and I integrate AI/ML capabilities using Python, NLP, and OpenAI APIs. I thrive in agile teams, design REST APIs and microservices, and emphasize CI/CD and secure software development to support production healthcare and insurance platforms.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Software Developer at BCBS
November 1, 2023 - Present
Developed scalable web applications using React.js, Node.js, Express.js, and MongoDB to support 85K+ active users across healthcare platforms. Built RESTful services and API integrations processing 1.2M+ API requests daily for patient and claims workflows. Deployed cloud-based apps on AWS (EC2, S3, Lambda, API Gateway) to manage 20+ production services in secure healthcare environments. Integrated AI-driven features using Python, Scikit-learn, NLP, and OpenAI APIs to automate 18K+ daily text classifications for claims and support workflows. Optimized data storage and caching with MongoDB and Redis, reducing response times on high-traffic endpoints handling 900K+ requests. Led cross-functional delivery in Agile (Scrum), coordinating 6 engineers and product teams to deliver 14 production features.
Jr. Software Engineer at Liberty Mutual
October 1, 2022 - October 1, 2023
Developed backend services using Java, Spring Boot, and REST APIs to handle 650K+ policy transactions monthly. Built frontend components using Angular, TypeScript, HTML, and CSS, delivering 12+ UI modules for claims and policy management. Integrated PostgreSQL workflows and data mapping, managing 400K+ structured records supporting underwriting and reporting. Implemented messaging with RabbitMQ and an event-driven architecture, processing 300K+ daily messages across distributed services. Validated quality with JUnit and API testing (Postman), executing 120+ test cases for stable releases. Collaborated in Agile (Scrum) with Jira and SDL C practices to deliver 10+ production features.

Education

Bachelor’s in Information Systems at Addis Ababa University
October 1, 2015 - December 1, 2020
Bachelor's in Information Systems at Addis Ababa University
October 1, 2015 - December 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Healthcare, Professional Services, Financial Services