Johnkingsley Ezechi Amaechi

JOHNKINGSLEY AMAECHI TEL - Experienced Software Engineer with over five years of experience. Skilled in creating usable products & experiences using TypeScript & JavaScript Github | LinkedIn - EXPERIENCE ConfigCat — Technical Writer OCT 2023 - Present • Budapest, Hungary • Remote I currently work at ConfigCat as a technical writer where I utilize my writing skills and experience in creating user-centric articles around feature flags. My responsibilities are: ● Creating and maintaining technical documentation for the company. ● Crafting out new articles about several use cases of feature flags. ● Collaborating with subject matter experts to gather information for documentation ● Ensuring articles and technical documentation comply with company standards and industry best practices. Languages / Frameworks Utilized: Markdown, Docker, Javascript, JSON, Yml Codementor — Senior Software Engineer / Expert mentor DEC 2021 - Present • San Francisco, California • Remote I currently work at Codementor as a software engineer and mentor. I offer software engineering consultancy, development and mentorship services to several organizations, Businesses and individuals. My responsibilities are: ● Collaborating with various companies, organizations and teams to understand project requirements and goals ● Providing expert guidance in architectural design and decision making for the successful implementation of projects. ● Working closely with several in-house developers and engineers to ensure adherence to architectural principles and design patterns. ● Providing one-on-one guidance to aspiring developers on a variety of programming languages, frameworks, and technologies. ● Conduct thorough code reviews, offering constructive feedback to mentees and junior engineers to improve code quality and best practices. ● Contributing to Open-source projects Languages / Frameworks Utilized: TypeScript, Nodejs, React, NextJs, Vue, Angular, PostgreSQL, MySQL, GraphQl, MongoDB, AWS CAEmate S.r.l — Software Engineer DEC 2022 - AUG 2023 • Bolzano, Italy • Remote I worked on CAEmate’s 3D Digital twins application (Westatix & Westatix SHM) which is used for structural analysis and efficient structural models. ● Contributed to the company's flagship products, Westatix and Westatix SHM, by enhancing the logic and data modeling within the applications. ● Collaborated closely with the CTO to refactor legacy codebases, transitioning from jQuery to modern JavaScript standards. ● Refactored the company's internal time-tracking application, ensuring accurate tracking of daily work activities for team members. ● Developed a new internal tool, Bashlib, which streamlined application deployment processes and server management, improving operational efficiency. ● Enhanced the company's interview application by implementing modern frameworks and designs for improved interactivity. ● Optimized the company website, addressing delayed load times, responsiveness on various devices, and SEO optimization. Languages / Frameworks Utilized: JavaScript, TypeScript, Nodejs, React, Svelte, PostgreSQL, Webpack, Docker, Git & Github. Fidelity Bank PLC — Software Engineer OCT 2021 - FEB 2023 • Lagos, Nigeria • Remote Fidelity Bank is one of the top leading commercial banks in Nigeria. I worked closely with designers and engineers in an agile team to develop and maintain applications used to fasttrack banking activities. ● Refactored and maintained a legacy codebase used for loans processing and financial audit, ensuring code quality and reliability. ● Designed and developed a new interest rate portal, facilitating the interest rate processes within the internal operations department of the bank. ● Created highly secure RESTful APIs with robust authentication mechanisms to enable seamless data exchange and interaction. ● Collaborated with cross-functional team members to refactor a major portal, "Universe," used by all in-house banking operational staff. ● Played an active role in regular team discussions to decide on architecture and tooling for new projects, ensuring that systems are properly architected and meet business requirements. Languages / Frameworks Utilized: JavaScript, Typescript, React, Angular, Vue, AWS Lambda, Nodejs, MongoDB, DynamoDB, Git & Github, RabbitMQ. Software Business Solutions Consulting — Software Engineer OCT 2021 - JAN 2023 • Lagos, Nigeria • Remote I was contracted by SBSC to help in building several client applications and products in areas like Fintech, EdTech, Banking, etc. ● Maintained and continuously improved existing software systems, ensuring their functionality, reliability, and relevance. ● Optimized client's web applications to achieve maximum speed and efficiency, enhancing user experience and performance. ● Collaborated in a multidisciplinary team alongside back-end developers, UI/UX designers, and mobile application developers to deliver comprehensive and integrated solutions. ● Designed and created user-friendly web pages, enhancing the user interface and overall experience. ● Developed and implemented test cases to ensure software quality and compliance with company design and software guidelines, maintaining consistency throughout the development process. Languages / Frameworks Utilized: Angular, GraphQL, PostgreSQL, Sequelize, RabbitMQ, Express.js, React.js, JavaScript, Vue.js, Node.js, TypeScript Alida School — Backend Engineer / Instructor JULY 2021 - DEC 2021 • London • Remote Alida school is a coding school that centers its aim and vision to teach Africans how to code and also help increase the tech productivity in Africa. ● Taught students the principles and practical skills of backend development, providing a strong foundation in software engineering. ● Enlightened students on how to leverage their acquired skills to create innovative and impactful software products. ● Guided students along their software engineering career paths, offering insights into specialization areas and career development. ● Mentored aspiring developers in various areas of specialization, including website development, progressive web apps, desktop application development, and REST API design. ● Conducted regular project check-ins and evaluations to monitor progress and ensure timely project deliverables. Languages / Frameworks Utilized: JavaScript, Typescript, ExpressJs, NodeJs, MongoDB, MySQL, PostgreSQL,, Git & Github Upwork — Software Engineer (Freelance) AUG 2020 - JUNE 2021 • Remote ● Successfully operated as a freelance software engineer, collaborating with clients from Africa, Asia, Europe, America, and other regions. ● Assisted clients in developing tailored solutions to address their unique challenges and business needs. ● Provided expert advice on how technology could be effectively integrated into clients' businesses, contributing to their growth and success. Languages / Frameworks Utilized: Javascript, React.js, Vue.js, Node.js, MongoDB, Sequelize.js, PostgreSQL, MySQL, TypeScript, Redis, RabbitMQ. Grid Data Manager Ltd (in affiliate with Code Cradle innovations) — Full Stack Developer MAY 2019 - JULY 2020 • Lagos, Nigeria • Remote ● Redesigned and rebuilt the company's website, enhancing its user experience and visual appeal. ● Crafted and improved the design, accessibility, and overall user experience of the existing website, ensuring a user-friendly interface. ● Enforced healthy codebases, coding style, and coding standards to maintain code quality and consistency. ● Developed a series of online management systems, which were successfully delivered to clients both within and outside Africa. ● Managed and led a team of other members to ensure that all projects under your supervision were delivered with minimal bugs and within the specified timelines. Languages / Frameworks Utilized: JavaScript, Typescript, NodeJs, React, VueJs, NextJs, NuxtJs, MongoDB, MySQL, PostgreSQL, Git & Github Ken Saro Wiwa Innovation Hub — Full Stack Developer SEP 2017 - JULY 2019 ● • Port Harcourt, Nigeria • Remote Designed, developed, and maintained the full architecture of cross-platform applications, spanning web, mobile, and desktop, ensuring cohesive and efficient solutions. ● Oversaw and manage the system flow and structure of the applications developed by the team, ensuring robust and scalable software. ● Assisted learners in overcoming challenges they encountered during their skill acquisition, fostering their growth and proficiency. ● Regular check-ins on their projects and deliverables Languages / Frameworks Utilized: JavaScript, NodeJs, React, VueJs, NuxtJs, MongoDB, Git & Github SELECTED PROJECTS Electronic Shop - E Commerce application to purchase several household and electronic items and also reach out to artisan Ogabassey - An ecommerce application that allows you buy gadget and pay in installment EDUCATION RIVERS STATE UNIVERSITY, Port Harcourt, Nigeria — BSC, Computer Science SEPT 2015 - OCT 2019 Programming Coursework: Data structure and algorithm, Compiler construction, Project Management, System analysis and design, Relational databases, Artificial Intelligence SKILLS Language & Framework: JavaScript, TypeScript, React, VueJs, Angular, HTML, CSS, CSS-in-JS, NodeJS, NextJS, NuxtJS Database & Storage: MySQL, Redis, MongoDB, PostgreSQL, Firebase, Prisma, GraphQL Others: Object oriented design, Functional programming, Design System, Open Source, Serverless, Version control,, Docker, Performance Optimization, Webpack, PWA, GitHub Actions PUBLICATIONS ● MongoDB Aggregation - A beginner guide (Author) Link: https://kizito917.hashnode.dev/mongodb-aggregation-a-beginner-guide ● Practical approach to unit testing in React Using Jest (Author) Link: https://kizito917.hashnode.dev/practical-approach-to-unit-testing-in-react-using-jest ● Signup and Login Implementation with JWT in Node Js (Author) Link: https://medium.com/@kizito917/sign-up-and-login-implementation-with-jwt-in-node-js-using-po stgres-and-sequelize-b080f ● Common Websites performance mistakes (Contributor): Link: https://www.linkedin.com/advice/3/what-most-common-website-performance-mistakes-ywqje?contr ibutionUrn=urn%3Ali%3Acomment%3A%28articleSegment%3A%28urn%3Ali%3AlinkedInArticle%3A-%2C-%29%2C-%29&trk=rtyc Other of my publications can be found mostly on my Hashnode and Medium blog profile