Software Engineer

Hi, I'm Joshua Ansah

I am a dedicated software engineer with a passion for creating intuitive and efficient web and mobile applications.. Welcome to my portfolio.

About

Me

Here's where I share my journey through tech, highlighting the experiences and passions that drive my innovative pursuits.

I am a Software Engineer with 3+ years building and scaling production fintech and SaaS products across web and mobile. I specialize in TypeScript, React/Next.js, Node.js/NestJS, Flutter, and React Native, delivering features end-to-end from system design and data modeling through testing, CI/CD, and observability. I have a proven track record improving reliability, automating manual workflows, and leading small cross-functional teams in Agile, remote, fast-paced startup environments.

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My

Skills

Here are some of my skills where I've turned knowledge into expertise, making things happen.

(1)

Programming Languages

Proficient in modern programming languages that power web and mobile applications:

JavaScript
TypeScript
Dart

(2)

Frontend Development

Expertise in creating responsive, interactive, and user-friendly interfaces using modern frameworks and libraries:

React.js
Next.js
TailwindCSS
Material-UI
Bootstrap

(3)

Backend Development

Experience building robust server-side applications and APIs to support web and mobile applications:

Node.js
Express.js
Nest.js

(4)

Mobile Development

Skilled in developing cross-platform mobile applications with a focus on performance and user experience:

Flutter

(5)

Database Management

Knowledge of various database systems for efficient data storage, retrieval, and management:

MongoDB
PostgreSQL
Firebase

(6)

Tools & Platforms

Proficient with industry-standard tools and platforms that enhance development workflow and collaboration:

Git
GitHub
Notion
Figma
Docker
CI/CD

(7)

Methodologies

Experience with software development methodologies and practices that ensure efficient project delivery:

Agile
Project Management
SDLC (Software Development Life Cycle)

(8)

Soft Skills

Essential interpersonal abilities that complement technical skills and facilitate effective teamwork:

Communication
Collaboration
Teamwork
Problem-Solving

My

Projects

Here are some of my projects where I've turned code into cool, functional solutions that solve real-world problems.

Mobile App

CediWise

Smart budgeting tracking and financial literacy mobile app for Ghanaian users. Features income/ expense tracking, savings goals, and financial tips. Cross-platform (Android & iOS).

React NativeExpoTypeScriptSupabase

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API Development

GhanaAPI

The definitive REST API for Ghanaian services - Addresses, Exchange Rates, Locations, Transport & Logistics, and more.

TypeScriptNode.jsNest.jsREST API

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Web Development

Personal Portfolio Website

A personal portfolio to showcase my coding projects, resume, and skills in a beautifully designed format.

Next.jsReactTypeScriptTailwindCSS

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Mobile App

Seymo School

A comprehensive school management mobile app for seamless administration, student tracking, and parent communication.

FlutterDartFirebase

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Web Development

Moyosore Blog Web App

A web app that helps users to read blog posts and listen to its audio recordings for an accessible content experience.

ReactNode.jsMongoDBExpress.js

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Web Development

Shine Energy

Official website for Shine Energy Company Limited. Shine Energy is an oil and gas solutions company that has a wide range of petroleum product and service offerings.

Next.jsTailwindCSSFramer Motion

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My Experience

Here are some of my work experiences where I've turned challenges into accomplishments, making things happen.

Fluid Finance Technologies

Oct 2024 - Present

Full Stack Engineer

Engineered and launched 5+ critical features for customer-facing fintech web apps using Flutter, TypeScript, NestJS, and PostgreSQL.
Reduced production incidents by 30% by architecting a new data sanitation strategy and resolving over 50 critical bugs improving application stability.
Designed and implemented an internal admin dashboard automating major manual workflows, saving the team 15+ hours per month.
Overhauled the CI/ CD pipeline using GitHub Actions, reducing failed deployments and accelerating release cadence.
Collaborate with product managers and designers in Agile/ Scrum sprints, translating requirements into scalable solutions via code review and Git-based workflows.

Verified Global E-Transport

Mar 2025 - Sep 2025

Lead Software Engineer (Contract)

Led a 3-member engineering team delivering logistics and transport management solutions, using React, Node.js/ExpressJS, TypeScript, and PostgreSQL.
Architected a scalable microservices backend for core services (bookings, routing, user management), that maintained a 90% uptime.
Introduced Agile practices and managed sprint planning in Notion, improving the team's sprint completion rate by 25% and increasing delivery predictability for stakeholders.
Established new coding standards and a mandatory code review process that decreased the bug rate in new features by 40% in the first three months.

Seymo

Mar 2023 - Sep 2024

Software Developer

Engineered the platform's core modules including attendance, fee tracking, and push notifications which empowered over 1,000 daily users to manage school operations digitally.
Owned the development of key mobile features in Flutter, delivering a consistent and performant experience for users on both Android and iOS.
Partnered with the design team to build a shared component library that unified our UI and sped up our development cycle, allowing us to ship new features ~20% faster.

Freelance

Feb 2023 - Sep 2024

Full Stack Developer

Partnered directly with clients to build and launch custom web applications, handling the full lifecycle from initial design to deployment and maintenance.
Launched the Green Ghana mobile app on both iOS and Android, collaborating with another developer to deliver a user-friendly Flutter application for a key government initiative.
Developed the Moyosore blogging and audio platform, implementing the Sanity CMS backend that cut the client's content publishing time by half.

Spayces

Sep 2022 - Nov 2022

Front End Developer

Brought a key product feature to life by building its entire front-end, delivering a responsive and pixel-perfect UI in React.js for a critical release.
Partnered with backend engineers to seamlessly integrate REST APIs, ensuring the new feature had smooth data flow and robust error handling for a stable user experience.

Ghana Tech Lab

Sep 2021 - Aug 2022

Flutter Developer

Played a key role in developing 'The Mechanic,' a service marketplace app, where I built the end-to-end user booking and service feedback features in Flutter.
Worked closely with designers to transform Figma mockups into interactive Flutter prototypes, allowing our team to rapidly validate new concepts with stakeholders.
Gained strong foundational web skills by helping build and ship several full-stack projects using HTML, CSS, JavaScript, and collaborative Git workflows.