Helvy Mjumbe
@helvymjumbe
Front‑end engineer focusing on React and TypeScript to build performant, user‑centric web applications.
KenyaWhat I'm looking for
I am a creative, detail‑oriented Front‑End Engineer with hands‑on experience building scalable, performant, and user‑friendly products using modern web technologies.
I have built React and Node.js applications, real‑time dashboards, and data validation tools, and I have contributed to AI‑driven financial screening and AML monitoring projects.
I collaborate closely with product and design teams, advocate for high code quality, efficient debugging, and developer‑friendly abstractions, and I have experience in Agile environments and enterprise implementations.
I hold a BSc in Computer Science from Maseno University, contribute to open‑source projects, and maintain a strong GitHub portfolio while freelancing for international clients.
Experience
Work history, roles, and key accomplishments
QA & Software Developer
Upwork Freelancers Network
Jan 2023 - Present (2 years 8 months)
Delivered custom React and Node.js web applications and built data validation and cleaning dashboards with schema validation, logging, and analytics for international clients while maintaining open-source contributions.
Software Developer
Innovative Software Technologies Ltd.
Feb 2025 - Aug 2025 (6 months)
Collaborated on AI-driven financial screening tools that reduced false positives in transaction monitoring and supported KYC integrations to enhance compliance and AML detection. Assisted SAP BPC configuration, testing, and report automation while contributing to solution documentation and deployment support.
Intern
Fintech Group
May 2023 - Nov 2023 (6 months)
Built real-time financial dashboards with React and Node.js and debugged/optimized front-end and back-end code to improve performance and reliability; collaborated with product and design teams and participated in Agile sprints.
Education
Degrees, certifications, and relevant coursework
MUMaseno University
Bachelor of Science, Computer Science
2020 - 2024
Activities and societies: Participated in auctioning of science projects; voluntary services around the school.
Bachelor of Science in Computer Science completed at Maseno University with participation in science project auctions and voluntary campus service.
Segero Adventist National School
High School Diploma, Secondary Education
2016 - 2019
Grade: B+
Activities and societies: Environmental prefect.
Secondary education completed with an average grade of B+ and served as Environmental Prefect.
Kamagambo Adventist Primary School
Primary School Certificate, Primary Education
2012 - 2015
Grade: 371
Activities and societies: School president.
Primary education completed with an average score of 371 marks and served as school president.
Availability
Location
KenyaAuthorized to work in
Job categories
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