Avatar of Nixon Wandera.

Nixon Wandera

Full stack Developer
Full stack developer with 5 years of experience implementing backend systems in Node.js and front-end applications in React.js; contributed to re-architecture of a key notifications service reducing message failures by 80%; Became go-to staff for migrating test cases in several services to jest due to compatibility necessities, commended for creating robust tests facilitating confident code refactoring. Honed by remote contributions to thrive in collaborative environments ensuring impactful solutions.
Retraced
THE TECHNICAL UNIVERSITY OF KENYA
Nairobi, Kenya

Skills

JavaScript
Nodejs
reactjs
Redux
HTML5 & CSS3
SaaS
PostgreSQL
MongoDB
Jest | Mocha
CI/CD
RESTful API
Technical Leadership
PL/SQL
ReactQuery
AVA
Datadog
Cypress
OpenAPI
Docker
Cypress Testing
Microservices
TDD
Figma
Fastify
Github
JIRA
ES6
DDD

Languages

English
Professional

Work experiences

Software Engineer

Retraced
Contract

Jun 2022 ~ Oct 2023
1 yr 5 mos
Düsseldorf, Germany
1. Transformed a major monolithic system into several scalable business services using fastify; enhanced fault isolation resulting in a 100% increase in system capacity. 2. Streamlined a complex notification service by transitioning from class-based to functional JavaScript; decreased code coupling, fostering a flexible architecture and simplifying integration of new message handlers by 70% 3. Implemented over 20 reusables React.js components, optimized Forms, Router, Animations, and robust Redux store for a high-traffic SaaS application. 4. Employed advanced PL/SQL features, such as tables and object types, to streamline database operations, resulting in a substantial reduction in resource consumption.

Full Stack Developer

Data Integrated Limited
Full-time

Sep 2019 ~ Oct 2021
2 yrs 2 mos
Nairobi, Kenya
1. Spearheaded the successful implementation of scalable vehicle tracking and scheduling services, leveraging web-socket and Tcp socket technologies in a cross-functional team of 4; achieved an impressive 90% realtime tracking accuracy and enhanced route planning 2. Development of robust and efficient scripts for database tables, views, and procedures using pgAdmin; implemented optimized indexing strategies and enabled seamless full-text searches, leading to a remarkable 0.4x improvement in data read performance. 3. Transformed stakeholder vision and ideas into captivating experiences by translating designs and patterns into application architectures on Microsoft Visio, lead to a remarkable surge in engagement levels.

Software Developer

Data Integrated Limited
Full-time

Sep 2018 ~ Oct 2019
1 yr 2 mos
Nairobi, Kenya
1. Build a SACCO management dashboard using MERN stack, leveraging semantic HTML5, CSS3, and JavaScript; integrated reusable components and custom API layer to streamline CRUD transactions. 2. Developed RESTful APIs supporting Json and Xml data formats; streamlined system integration and ensured compatibility across diverse platforms, resulting in a 15% reduction in data transfer errors and improved data consistency

Node.js Developer

Freelancer
Freelance

May 2018 ~ Sep 2018
5 mos
Nairobi, Kenya
1. Collaborated with a team of 2 to architect and deliver fully functional APIs for an insurance mobile app prototype; achieved the project objective within a tight 2-month deadline, while ensuring optimal performance and reliability. 2. Teamed up with a senior developer to execute comprehensive requirement gathering, streamlining collaboration and communication across teams.

Educations

THE TECHNICAL UNIVERSITY OF KENYA

Engineer’s Degree
Bachelor Of Technology - Computer Technology

2014 - 2019

Licenses & Certifications

Data protection in workplace

Datenschutzkanzlei Academy, Germany

Issued Jul 2023
No expiration

Project Management with Agile, Scrum, Kanban & XP

Udemy

Credential ID: UC-90d83442-2cd7-4239-8094a71f4053
Issued Sep 2021
No expiration

Open coding web application security project certification

OWASP

Issued Oct 2020
No expiration
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