App LogoApp name
JM

Joseph Mwanzia

Open to work4 years experience

Software Engineer

Nairobi, KenyaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Software Engineer and Quality Assurance

GitHub
Resume
Email

Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

24 skills
javascriptreact.jsnode.jsruby on railstypescriptpostgresqlrest apistestingnext.jshtml5css3tailwind cssexpress.jsphpsinatrajwtbcryptredismysqlsolidityjestrspecseleniumgit

Work Experience

Product QA

Pitchmatter

Apr 2026 - Present UAE, Dubai (Remote)
  • Conducted manual and basic automated testing for UAE-based startups using Selenium, Jest and Playwright, jmeter.
  • Conducted test case creation, bug reporting, regression testing and performance tests using jmeter.
  • Implement back-end functionality with Node.js and Express.js, handling data capture, processing, and secure user interactions.
  • Worked on UI/IX and functionality validation.
  • Collaborated in creation of web3 designs using AI as a tool for production.
  • Collaborate with cross-functional teams (product, design) to deliver robust, user-centric solutions on tight deadlines.

Consultant / Software Engineer

Riddec

Oct 2023 - Jan 2024 Remote (Europe)
  • Collaborated on the design and implementation of static and dynamic features for the POSTA.
  • Developed full-stack web applications with TypeScript, emphasizing clean, scalable code and improved type safety for complex front-end architectures
  • Contributed to real-world projects involving front-end development with React.js and backend support, working closely with cross-functional teams
  • Ensured seamless integration between frontend and backend systems, meeting project deadlines consistently

Junior Developer

Adje Tech

Apr 2023 - Jun 2024 Remote
  • Designed, developed, and deployed dynamic websites including braincrewtechnologies.com, building responsive user interfaces with React.js
  • Implemented back-end functionality with PHP, handling data capture and processing for efficient user information management
  • Designed and implemented relational database structures supporting data integrity and optimized performance
  • Developed web applications with TypeScript, focusing on clean, scalable code and improved type safety
  • Built native mobile applications with React Native for iOS and Android platforms
  • Collaborated on full-stack projects with React.js and backend support using PHP

Projects

To-Do API

Node.jsExpress.jsPostgreSQLRedisJWTBCryptWinston
  • Full-stack Todo application with user authentication, CRUD operations, search functionality, pagination, and Redis-based session management.

Weather API

Node.jsExpressRedis
  • Weather API with rate-limiting for service stability and Redis caching for improved performance.

Personal Journal (React Native)

React Native (Expo)MySQL
  • Mobile application allowing users to write personal entries with categorization and full CRUD operations.

Jobview

React.jsRuby on RailsPostgreSQL
  • Job board application enabling users to search and apply for jobs while allowing companies to post positions.

BrainCrew Technologies

React.js
  • Client website for Odoo ERP and CRM integration services.

Bueno Market

React.js
  • Online grocery and fruit marketplace with integrated delivery functionality.

PalCON24

React.js
  • Church management website created for an African Pastors Conference in Nairobi.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Client Project Delivery

Successfully delivered 10+ client projects with 100% on-time completion rate.

Client Satisfaction

Achieved 98% client satisfaction rating across all delivered projects.

Performance Optimization

Reduced page load time by 30% through image optimization and code splitting.

About Details

Professional Bio

Certified mid-level Software Engineer with 4+ years of experience in full-stack development, specializing in JavaScript, Node.js, Ruby on Rails, and React. Proven ability to design, develop, and deploy dynamic web applications and RESTful APIs for US-based clients and startups.

Software Engineering Certification

Moringa School ( - Present)

Structural / Civil Engineering Background

The University of Nairobi, Kenya ( - Present)

Languages: English, Hindi
Email: Locked