Tanaka Brian Manyara
Full-Stack Software Engineer
I ship production-grade SaaS and mobile apps trusted by thousands of users. React · Next.js · Node.js · React Native · AWS — building scalable web & mobile products end-to-end.
Introduction
Overview.
Full-stack software engineer and Master's candidate in Information Systems at Northeastern University, specializing in cloud-native applications, scalable backends, and AI-powered SaaS. I've shipped production apps with thousands of active users — from AI-powered iOS apps to multi-tenant web platforms — and self-host 9+ live products on a Linux VPS with full CI/CD. Comfortable across the stack: React, Next.js, Node.js, React Native, PostgreSQL, AWS, and OpenAI/Anthropic integrations.
Full-Stack Web Developer
Mobile App Developer
Chrome Extension Developer
AI / SaaS Builder
What I have done so far
Work Experience
AI & Full-Stack Engineer
Eklan Inc
- Building AI-powered product features end to end, from LLM integration and prompt design to production-ready APIs and UI.
- Developing full-stack web applications with React, Next.js, Node.js and TypeScript.
- Integrating OpenAI and Anthropic models, retrieval pipelines and automation workflows into customer-facing products.
- Owning deployments and CI/CD, shipping iterative releases alongside product and design.
Wordpress & Shopify Developer
Upwork projects
- Design and develop customized Shopify & WordPress themes to meet client and brand requirements.
- Utilizing HTML, CSS, and JavaScript to create visually appealing and intuitive user interfaces.
- Implementing responsive design and ensuring cross-browser compatibility.
- Conducting regular audits to identify and resolve any security vulnerabilities.
- Implementing performance optimization strategies to enhance site speed and SEO.
Web Developer
Jenrec Pty Ltd
- Developing & maintaining Web applications using React.js and other related technologies.
- Demonstrated proficiency in leveraging the React library to create dynamic and interactive components, contributing to the enhancement of overall user experience.
- Collaborating with cross-functional teams including designers, product managers, and other developers to create high-quality products.
- Implementing responsive design and ensuring cross-browser compatibility.
- Implemented websites, mobile applications, and landing pages from concept through deployment.
- Responsible for adding new features such as automated user flows, API integrations,maintenance and optimizations, infrastructure migration and bug fixes on projects.
- Engaged in problem-solving and troubleshooting, identifying and addressing technical challenges to deliver effective solutions.
- Collaborated with UX/UI designers and back-end developers to ensure seamless integration of front-end and back-end components, fostering effective communication within the team.
Jnr Front-end Developer
Blacklamur
- Developed and maintained a logistics platform using React and Redux, ensuring responsive and seamless user experiences across all devices.
- Integrated third-party APIs for Learning Management Systems (LMS).
- Collaborated with a team to build a text-to-speech platform for Infinix, which significantly reduced costs associated with hiring dubbing actors.
- Implementing responsive design and ensuring cross-browser compatibility.
- Worked closely with UX/UI designers to transform design prototypes into interactive and user-friendly web pages.
- Participating in code reviews and providing constructive feedback to other developers.
- Implemented websites, mobile applications, and landing pages from concept through deployment.
- Played a key role in the Agile development process, participating in Scrum ceremonies such as daily standups, sprint planning, and retrospectives, ensuring smooth team collaboration and iterative improvements.
- Partnered with back-end developers to seamlessly integrate APIs, boosting the functionality and performance of web applications.
- Key Achievements: Successfully implemented real-time collaboration features for document editing. Led the development of an internationalized application with multi-language support.
Tech Stack
Tools I reach for daily across web, mobile, and cloud.
Featured Projects
My Portfolio
A selection of my favorite work, demonstrating my skills in web and mobile development, UI/UX, and problem-solving. Click any project to learn more or see it live.
Elite Apply — AI Job Toolkit
Multi-tenant SaaS that auto-applies to jobs at scale. Stagehand browser automation, BullMQ + n8n orchestration, OpenAI + Anthropic for resume tailoring, all on a self-hosted VPS.
#Nextjs
#Typescript
#Stripe
#Rest API
#OpenAI
#Redux
#HTML
#Supabase
#Tailwind CSS
Recipio — Recipe Manager & Meal Planner
AI-powered recipe manager and meal planner. Import recipes from Instagram, TikTok, or any website; auto-generate grocery lists; plan the week; cook with step-by-step guidance. Web + iOS + Chrome Extension. 5.0★ on the App Store.
#Next.js
#TypeScript
#OpenAI
#Supabase
#Stripe
#Tailwind CSS
InvoiceFlowie - Invoice Maker
A Web & Mobile Application That Will Help You Manage Your Invoices and Track Your Expenses.
#Nextjs
#Supabase
#OPENAI
#Tailwind CSS
#Stripe
AppStore Toolkit
A AppStoreToolkit a Web Application That Will Help You Generate App Store Screenshots,icons,Descriptions,Keywords,Tags,etc.
#Nextjs
#Supabase
#Tailwind
#Typescript
#Canva
#OPENAI
#Clerk
#Stripe
Toronto Impact Initiative - Loan Management
A loan management web platform for handling borrower workflows, lending operations, and day-to-day loan tracking.
#Next.js
#TypeScript
#Prisma
#PostgreSQL
GTA VI Landing Page
A cinematic GTA VI inspired landing page with scroll-based animations, pinned sections, and immersive motion effects.
#React
#GSAP
#Tailwind CSS
#Vite
MacBook Pro Landing Page
An Apple-style MacBook landing page focused on premium visuals, smooth motion, and responsive storytelling sections.
#React
#Three.js
#GSAP
#Tailwind CSS
iPhone 15 Website
An Apple iPhone 15 Pro–style site showcasing GSAP scroll choreography and Three.js product reveals.
#React
#Three.js
#GSAP
#CSS
Get in Touch