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marvellous235

Marvellous A

@marvellous235
5.0(1)

Software Engineer, SaaS, Web Apps , Scalable Systems

Nigeria
English, French, Spanish
About me
Hi, I’m a passionate Full Stack developer who genuinely loves building real products and solving complex problems with code. With 5+ years of engineering experience before freelancing, I’ve completed 100+ projects for startups and businesses, including 30+ on Upwork. I build scalable SaaS platforms, web apps, PWAs and mobile apps using Nest.js, Laravel, Next.js, React, Replit, TypeScript, JavaScript, Supabase, Firebase, Lovable and Bolt. My expertise includes API development, REST APIs, database, authentication systems, Stripe integration and deployments via GitHub, VPS, Vercel and CloudFlare.... Read more

Skills

m
marvellous235
Marvellous A
Offline • 
Average response time: 1 hour

See my services

Troubleshooting & Improvements
I will fix and deploy your lovable, replit, bolt, base44 or supabase app
5.0(1)
Custom Websites
I will do website development, full stack developer, PHP laravel react js

Portfolio

Work experience

Upwork

Full-stack Engineer

Upwork • Freelance

Apr 2020 - Present6 yrs 1 mo

- Developed and deployed custom web applications using JavaScript, Typescript, PHP, and MySQL for startups and small businesses. - Built and integrated REST APIs, including AI-powered features such as chatbots and content generation tools. - Designed responsive user interfaces using Tailwind CSS, improving usability across devices. - Fixed bugs and optimized existing websites, improving performance, security, and load times. - Worked directly with clients to understand requirements and deliver scalable, maintainable solutions.

Google

Software Engineer

Google • Full-time

Jul 2021 - Jul 20232 yrs

- Designed and developed scalable full-stack applications used by millions of users globally, improving system responsiveness and user engagement. - Collaborated with cross-functional engineering, product, and UX teams to deliver high-impact features across web and mobile platforms. - Contributed to large-scale distributed systems and cloud infrastructure projects using modern development practices and CI/CD pipelines. - Led code reviews and mentored junior developers, improving code quality, maintainability, and team productivity. - Implemented security best practices and performance monitoring solutions that reduced production incidents and downtime. - Participated in agile development cycles, sprint planning, and technical architecture discussions for enterprise-scale applications.

1 Reviews
5.0

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Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
1-1 out of 1 Reviews
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    D

    dunihdee

    GB

    United Kingdom

    5

    Marvellous honestly saved my project 😭 I had built it with Lovable, but the whole thing became messy really fast, logic errors, deployment issues, broken flows… the app was stressing me out. He came in, figured everything out properly, fixed the problems, cleaned up the Supabase backend, and got it...

    Up to $50

    Price

    3 days

    Duration

    gig

    Troubleshooting & Improvements

    Helpful?
    Yes
    No