Binyam SEYOUM
+* -571-***-**** Email: *********@*****.***
Full Stack Developer React, Node.js, TypeScript Business-Focused Scalable System Designer Professional Summary: Experienced Senior Full Stack Developer with over 5 years of expertise in building scalable and maintainable web applications using React, TypeScript, and modern JavaScript frameworks. Strong focus on state management using Redux Toolkit and React Context API, delivering high-performance single-page applications (SPAs) with complex data flows and reusable component libraries. Proven track record of contributing to large enterprise projects across Capgemini, DCNine Web Solutions, and Infosys, with hands-on experience in full SDLC, code quality assurance, and cross-functional team collaboration. Adept in RESTful APIs, cloud integration (AWS), and front-end architecture best practices.
# Core Skills
● Frontend: React, Redux Toolkit, React Context API, TypeScript, JavaScript (ES6+), HTML5, CSS3, MUI, Bootstrap
● State Management: Redux, Redux Thunk, React Context API, Local/Session Storage strategies
● Backend: Node.js, Express.js, Java, Spring Boot
● Architecture: Microservices, API Integration, RESTful Services, System Design
● DevOps: Docker, Kubernetes, OpenShift, Bitbucket, GitHub, CI/CD, Git, GitHub Actions, AWS (Lambda, S3, CloudFront)
● Security: CSP (Nonce-based), JWT, CSRF, RBAC, Checkmarx, Aqua Scan
● Legacy Integration: Embedded React in ASP.NET Web Forms, Session Timeout Management
● Testing: Jest, React Testing Library, Cypress
● Collaboration: Agile, Jira, Team Mentorship
#Professional Experience
Technology Analyst Infosys Ltd (Client: Bank of America) Jun 2022 – Present
● Architected React modules embedded in ASP.NET MVC/Web Forms, ensuring seamless UX and backward compatibility
● Implemented nonce-based CSP handling in Vite-powered React apps, reducing XSS risk and ensuring secure script execution.
● Led MUI Table development with inline editing, dynamic form validation, and permission-based rendering.
● Used Redux Toolkit for workflow-driven state management and Context API for lightweight UI interactions (e.g., modals, themes).
● Integrated optimistic API flows using Axios with error fallback strategies and retry logic
● Applied performance optimizations via memoization, lazy loading, and fine-grained component re-renders.
● Collaborated across frontend/backend teams and coordinated releases with security and infrastructure teams
Consultant Capgemini (Client: Co-op Financial Solutions) Aug 2021 – May 2022
● Built responsive SPAs using React, TypeScript, and MUI, integrating deeply with business workflows.
● Designed global state management using Redux Toolkit to handle role-based access and async flows.
● Developed custom hooks with robust TypeScript typing for UI consistency and safety.
● Applied secure REST API integration patterns with error handling, authentication, and caching.
● Mentored junior developers and conducted code reviews to uphold quality standards.
● Achieved 30% increase in test coverage through unit and integration testing with Jest and RTL. Full Stack JavaScript Developer DCNine Web Solutions Mar 2019 – Aug 2021
● Led frontend architecture for business dashboards using React, TypeScript, and Redux.
● Transitioned class-based components to React Hooks with modular state using Context API.
● Implemented schema-based dynamic forms and deep-nested state trees.
● Created custom Redux middleware for loading indicators, error tracking, and optimistic UI.
● Built backend APIs using Node.js and Express with MongoDB/PostgreSQL.
● Maintained CI/CD pipelines and ensured consistency via ESLint, Prettier, and TypeScript rules.
● Deployed production apps on AWS (S3, CloudFront, Lambda). Bootcamp Instructor Evangadi Tech Mar 2020 – Aug 2021
● Delivered full-stack web development training, focusing on React, Node.js, and deployment practices.
● Guided students through labs and capstone projects, preparing them for job placement. Immersive Student Evangadi Tech Nov 2019 – Mar 2020
● Built several full-stack projects, including a functional clone of Apple.com with React. Lecturer Addis Ababa University May 2007 – Sept 2018
● Designed and led graduate/undergraduate Linguistics courses and co-coordinated the Computational Linguistics program.
● Conducted NLP research in collaboration with the Informatics and Computer Science Departments.
#Education
M.Phil. in Linguistics/Norwegian University of Science and Technology, Norway BA in Linguistics/Addis Ababa University, Ethiopia Certificate in Full Stack Web Development, Evangadi Networks, USA
#Portfolio & Links
GitHub: https://github.com/Binyame/Binyame
LinkedIn: linkedin.com/in/binyam-ephrem
#Citizenship & Clearance
U.S. Citizen
Eligible for Public Trust Clearance
#Portfolio
GitHub: github.com/Binyame/Binyame
LinkedIn: linkedin.com/in/binyam-ephrem