Now booking new projects

Build software that ships and scales.

Senior engineers for US founders - SaaS, AI, and web products shipped on clear milestones and weekly delivery.

Verified on

120+
Products shipped
38
AI systems live
US
Primary market
4.9
Client rating

Selected work

Products people stay obsessed with.

A selection of recent work. Every engagement is an exercise in obsession, craft, and measurable impact.

View full portfolio
React NativeAndroidMobile App
2025

RekBook

FintechPaymentsWalletSaaS
2025

Nigerian Fintech Platform

RAGAI AgentsCustomer Support
2025

AI Avatar Support Agent

Why Nexum

The premium standard
for AI-native software.

We exist because the gap between great design and great engineering is too big. We close it - every project, every detail.

120+
Products shipped
38
AI systems live
70%
Retention rate
4.9/5
Avg. NPS

Founder-led teams

Every project is led by a senior - never offshored to juniors. The people you meet are the people who ship.

Weekly velocity

We demo working software every Friday. No multi-month silence, no slide-only updates.

Production-grade

Security, observability, evals, and uptime - built in from day one, not retrofitted at the end.

Speed without shortcuts

We move faster than most agencies because our craft, taste, and tools compound. Quality is the speedup.

Awwwards-level craft

Pixel-perfect interfaces, motion-rich UX, and copy that earns clicks.

Long-term partner

70% of clients renew. We stay embedded as you scale - strategy, design, engineering, AI.

Client reviews

66+ five-star reviews.
Trusted on Fiverr & Upwork.

Every review is from a real client - 5.0 stars across Fiverr and Upwork.

Fiverr

“I can give 6 stars to Muhammad I would. He delivered excellent work and communication was always at best. Muhammad is highly skilled and communicated in English very well. Since coming to Fiverr he is by far the best developer I have hired. Definitely recommended for all kinds of PHP work whether simple or complex.”

DJ
David J.
Repeat client · Saint Vincent and the Grenadines
Fiverr

“Muhammad Anas delivered exceptional work, showcasing his professionalism and attention to detail. His language fluency and willingness to go above and beyond made the entire experience seamless and enjoyable. Great work as always! Pleasure to work with!”

P
Prolam
Repeat client · United States
Fiverr

“He did an awesome job as always and he went above and beyond to resolve the issues.”

RU
Rigers Uta
Repeat client · Albania
Fiverr

“Amazing! Fantastic work great delivery +++++”

I
Impevia
Sweden
Fiverr

“The work delivered was truly exceptional, showcasing mastery in the craft. The code was flawless, contributing significantly to the growth of my business. I would undoubtedly give it a 10/10 rating and would not hesitate to place another order.”

MA
Mohamad Aloma
Germany
Fiverr

“The developer solved the issue in a very fast way, and all the things work very well and very stable. I tested the function many times, and it didn't get any errors again. Hope to cooperate again.”

SC
Sarah Councell
Thailand
Fiverr

“He is a backend genius, unmatched problem-solving skills and elegant code.”

FU
Faizan Ur Rehman
Pakistan
Fiverr

“I just enjoyed working with Anas. He is so experienced and professional. His communication skills are amazing. He also works very hard and fast. He always delivered quality work.”

E
ExamSC
European Union
Fiverr

“I'm very happy with Anas's work on my project. He was professional, understood my requirements well, and delivered a high-quality solution. His attention to detail and responsiveness were impressive.”

DD
Davion Da Costa
United States
Upwork

“Another great experience with Muhammad. I highly recommend him for any dev work, in any tech stack you may have. He goes above and beyond to find solutions even after delivery.”

DJ
David J.
Repeat client · Saint Vincent and the Grenadines
Upwork

“Muhammad delivered good work on this PHP project and I enjoyed working with him. His communication is always top-notch and his skills are strong. I will most definitely have additional work for him.”

DJ
David J.
Repeat client · Saint Vincent and the Grenadines
Upwork

“Absolute pleasure to work with. Always up to the task with proficiency and within budget. I enjoyed working with Muhammad and will definitely have additional work for him in the future.”

DJ
David J.
Repeat client · Saint Vincent and the Grenadines
Upwork

“Muhammad has delivered excellent work once more. I enjoyed working with him and will no doubt have additional jobs for him in the future.”

DJ
David J.
Repeat client · Saint Vincent and the Grenadines
Upwork

“Always gets the work done to satisfaction and high quality. I will never stop recommending Muhammad. He is a pleasure to work with and a very nice and genuine person.”

DJ
David J.
Repeat client · Saint Vincent and the Grenadines
Upwork

“Muhammad is hands down the best Laravel developer on Upwork. He completes all tasks without issues and advises accordingly.”

DJ
David J.
Repeat client · Saint Vincent and the Grenadines
Upwork

“Awesome work done by Muhammad as usual.”

DJ
David J.
Repeat client · Saint Vincent and the Grenadines
Upwork

“SOOOO GOOD”

DJ
David J.
Repeat client · Saint Vincent and the Grenadines

Frequently asked

Answers to the
questions worth asking.

Don't see what you need? Email hello@nexumbuilds.com - we reply within 24 hours.

  • We're a focused studio, not a big agency. You work directly with the people building your product - weekly demos, clear communication, and no layers of account managers.

Next step

Book a discovery call

30 minutes-minute call - scope, timeline, and how we'd ship your product.

Times are shown in your local timezone. We're remote-first and timezone-flexible - pick any slot that works for you.