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Hi there! I'm Selam Estifanos, a Java and full-stack developer based in Baltimore, MD. I design and optimize end-to-end applications using Java, Spring Boot, Hibernate, and modern front-end tools like React. I thrive in Agile teams, love problem-solving, and take pride in delivering high-quality code on time. From automating data validation across Snowflake and ServiceNow to optimizing backend services and dashboards for better decision-making, I’m always looking for ways to learn, collaborate, and impact users positively.…Hi there! I'm Selam Estifanos, a Java and full-stack developer based in Baltimore, MD. I design and optimize end-to-end applications using Java, Spring Boot, Hibernate, and modern front-end tools like React. I thrive in Agile teams, love problem-solving, and take pride in delivering high-quality code on time. From automating data validation across Snowflake and ServiceNow to optimizing backend services and dashboards for better decision-making, I’m always looking for ways to learn, collaborate, and impact users positively.

Selam Estifanos

Full Stack Developer, Web Developer, Front-End Developer, +4

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Hi there! I'm Selam Estifanos, a Java and full-stack developer based in Baltimore, MD. I design and optimize end-to-end applications using Java, Spring Boot, Hibernate, and modern front-end tools like React. I thrive in Agile teams, love problem-solving, and take pride in delivering high-quality code on time. From automating data validation across Snowflake and ServiceNow to optimizing backend services and dashboards for better decision-making, I’m always looking for ways to learn, collaborate, and impact users positively.…Hi there! I'm Selam Estifanos, a Java and full-stack developer based in Baltimore, MD. I design and optimize end-to-end applications using Java, Spring Boot, Hibernate, and modern front-end tools like React. I thrive in Agile teams, love problem-solving, and take pride in delivering high-quality code on time. From automating data validation across Snowflake and ServiceNow to optimizing backend services and dashboards for better decision-making, I’m always looking for ways to learn, collaborate, and impact users positively.

Available to hire

Hi there! I’m Selam Estifanos, a Java and full-stack developer based in Baltimore, MD. I design and optimize end-to-end applications using Java, Spring Boot, Hibernate, and modern front-end tools like React.

I thrive in Agile teams, love problem-solving, and take pride in delivering high-quality code on time. From automating data validation across Snowflake and ServiceNow to optimizing backend services and dashboards for better decision-making, I’m always looking for ways to learn, collaborate, and impact users positively.

Skills

Experience Level

Expert

Expert

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Expert

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Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Java Developer at Verizon United States

August 1, 2022 - October 28, 2025

Executed meticulous development cycles, delivering defect-free releases that exceeded client expectations. Built end-to-end development frameworks and automated testing protocols, accelerating deployment cycles by about two weeks. Engineered robust full-stack solutions focusing on backend with Java, Spring Boot, and Hibernate, achieving a 40% reduction in server response time. Managed documentation and knowledge transfer, improving handover efficiency by 25%. Integrated React front-ends to enhance UI, reducing load times by 40% and boosting customer satisfaction from 75% to over 90%. Implemented modular design patterns for easier feature enhancements and reduced integration time by about three days per sprint. Led cross-functional collaboration to optimize processes and improve code review turnaround by one day per iteration.

Java Developer at Polytech Asmara, Eritrea

May 1, 2022 - May 1, 2022

Contributed to all SDLC phases, delivering robust software solutions. Streamlined workflows reducing deployment times by an average of two weeks per project. Built solutions using Java, J2EE, Spring, Hibernate, REST API, and microservices-based architectures (Spring Boot). Implemented security features with Spring Security, reducing authentication load times by about three seconds per request. Collaborated in Agile teams to launch three major product updates on schedule, improving user satisfaction by 20% over six months. Enhanced inventory framework with Hibernate/JPA integrations, cutting average order fulfillment from seven to four days. Integrated HTML, CSS, and React for smooth user experiences. Automated environment configurations with Terraform IaC, shortening setup times per instance to around ten minutes.

Full Stack Developer at FreddiMac United State

August 1, 2025 - November 15, 2025

Designed and developed a Python-based utility tool to automate data validation between Snowflake and ServiceNow, including data extraction with Snowflake Python Connector and JDBC, transformation to CSV, and automated data reconciliation with schema alignment; integrated Beyond Compare for visual and automated comparisons; stored results in AWS S3 and automated reporting; collaborated with teams to push results into ServiceNow dashboards; documented reusable modules to improve scalability and reduce manual effort by 40%.

Java Developer at Verizon United State

July 1, 2025 - July 1, 2025

Led end-to-end development cycles delivering high-quality software; implemented automated testing; built full-stack solutions with Java, Spring Boot, and Hibernate achieving a 40% reduction in server response time; developed dynamic front-end components with React and Redux; collaborated with UI/UX to create reusable components and optimize RESTful microservices; improved handover efficiency and reduced feature rollout times; enhanced UI performance resulting in higher customer satisfaction.