Nixon Wandera

Full-stack Developer

  Nairobi, Kenya

   [email protected]

+254 729390591


Innovative Full Stack Developer with a proven track record of 4+ years, currently dedicated to revolutionizing the textile industry through transparency as a service system. Proficient in harnessing the power of JavaScript, NodeJS, ReactJS, and both SQL and NoSQL databases to craft dynamic, scalable, and user-centric applications. Remote contributions have honed my ability to thrive in collaborative environments, ensuring cutting-edge, impactful projects. Let's create the future together!


  • JavaScript
  • Node.js
  • React.js
  • Redux / zustand
  • React Query
  • HTML5 | CSS3
  • PL / Sql
  • PostgreSQL
  • MongoDB
  • Jest | Mocha | Ava  | cypress
  • Docker
  • CI/CD
  • GCP
  • JSON
  • YAML
  • RESTful API
  • Datadog
  • Team work


  • English — Professional

Work Experience

Software Engineer  •  Retraced

June 2022 - Present

  • Boosted development of single responsibility and dependency inversion libraries, achieving a measurable reduction in code complexity and an increase in codebase adaptability.
  • Decomposed monolithic systems into distinct, business services, resulting in unparalleled system scalability and the ability to isolate and contain failures more appropriately.
  • Utilized PL/SQL expertise to design efficient and abstracted procedures and transactions, resulting in improved database response time and streamlined data operations.
  • Improved SaaS dashboard performance through expert implementation of caching, data requests, and interface segregation, elevating user experience to new heights.
  • Propelled product testing through the creation of comprehensive end-to-end tests, resulting in increased adaptability and efficiency, measured by a 25% reduction in critical bug occurrences during early-stage of product releases.
  • Empowered the software development process by actively engaging in daily sprints, epic grooming sessions, and providing valuable contributions during reviews. 

Full stack software developer •  Data Integrated Limited

September  2019 - October 2021

  •  Revamped and implemented highly scalable services for vehicle tracking, route management, and vehicle scheduling, leveraging web-socket and Tcp socket technologies in a team of 4, resulting in: 30% increase in real-time vehicle tracking accuracy.
  • Build back-end components by leveraging ACID compliance, normalization and sub-queries to streamline intricate and expensive queries across multiple tables. Elevated trigger mechanisms for production, resulting in a remarkable efficiency boost.
  •  Enhanced cloud infrastructure on GCP, streamlining connection setup, enhancing scalability, optimizing security, and implementing robust monitoring for IaaS. Achieved a remarkable cost reduction of $70 per month.
  •  Remodeled stakeholders' vision and ideas into captivating experiences through effective translation of designs and patterns into application architectures, resulting in an increase in customer satisfaction and engagement.

Junior software developer  •  Data Integrated Limited

September 2018 -  August 2019

  • Developed a cutting-edge booking solution REST APIs using Express, ES, and MongoDB, seamlessly integrated with a payment service to ensure exceptional performance 
  • Modified React & Redux environments on a prominent enterprise dashboard, implementing MVC architectural patterns tailored for diverse screen sizes within a collaborative team of 3.
  • Developed behavioral react apps with interactive UIs using one-way data flow and virtual DOM concepts. Created reusable components to enhance efficiency and foster code reusability. Effectively utilized props, context, and Redux for efficient state management. Achieved a reduction in rendering time by 20% and increased overall user engagement by 15%.

Nodejs Developer  •  Freelancer

May 2018 - October 2018

  • Delivered a fully functional pilot version Nodejs APIs for the vehicle insurance mobile app within 2 months.
  •  Collaborated with senior developers to conduct comprehensive requirement gathering, enhancing proficiency in collaboration and communication skills


2014 - 2019


Bachelor Of Technology - Computer Technology

Certifications & Awards

Data Protection in the workplace

Datenschutzkanzlei Academy

Issued June 2023

Associate Cloud Engineer


Issued June 2022 

Project Management with Agile, Scrum, Kanban & XP


Credential ID: UC-90d83442-2cd7-4239-8094a71f4053

Issued September 2021

Open coding web application security project certification


Issued October 2020