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Craig W.
@craigofthecrop
Senior Full Stack Engineer, AI Expert, Java, React, Saas Specialist
United States
English
About me
Hi, I’m Craig, a senior full-stack engineer with 7+ years of industry experience,
including work with major banks and Fortune 500 companies.
I specialize in building modern web applications using Lovable, Supabase, React,
TypeScript, PostgreSQL, and Stripe. I’ve shipped 2 production SaaS applications
and built 10+ MVPs and prototypes for founders and businesses.
My focus: clean architecture, secure databases, reliable functionality
Whether you’re validating an idea, building a SaaS product, or replacing a manual
business workflow, I bring production-level engineering to every project.
Skills
Craig W.
Offline •
See my services
Full Stack Web Applications
I will build your saas application with lovable and supabase
Portfolio
Work experience
Senior Software Engineer
Wells Fargo • Full-time
Dec 2024 - Jul 2026 • 1 yr 7 mos
Built a Java API client integrating third-party middleware services into a core banking workflow — HTTP layer, request/response serialization, retry logic, and error handling Developed Splunk logging, monitoring, and dashboards for a production banking application Mentored interns, new contractors, and junior engineers through onboarding and code reviews Supported cloud modernization on OpenShift/OCP, including build pack upgrades for deployments Represented the team in stakeholder delivery updates Top 3 finish in an internal hackathon, presenting technical work to leadership Used GitHub Copilot and other AI tools to improve development efficiency
Full-Stack Java Developer
UBS • Full-time
Oct 2019 - Oct 2024 • 5 yrs
Designed and built a REST API application supporting a large enterprise customer base, significantly reducing manual data-handling effort Integrated Spring Boot and Spring Security with HashiCorp Vault for secure financial data transfer Migrated legacy applications to Microsoft Azure with Vault-based encryption management Implemented microservices architecture with SSL and Mutual TLS Containerized legacy applications with Docker and Kubernetes Designed and implemented AWS architecture using EC2, S3, and RDS Built file-watching automation using Java, Angular, Spring Boot, and SFTP
7 Reviews
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Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
1-5 out of 7 Reviews
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jannesong
New Zealand
Ongoing collaboration
Thank you Craig, I really appreciate all the work you put into the track (not to mention the multiple drafts along the way) and how you kept the lines of communication open throughout. Highly recommended - this is a seller who keeps their word. :)
$50
Price
Seller's Response
Helpful?
heartbreakkid
United States
Did a great job creating a track based on what I was looking for. Did a great revision based on feedback!
$50
Price
Helpful?
roimagecreator
Romania
Well, the instrumental was for my daughter which is very pretentious. But he managed to make a good instrumental and she likes it. You can feel he is passionate about his work. I'll hire him again soon. Thank you!
$50
Price
Seller's Response
Helpful?
jannesong
New Zealand
Ongoing collaboration
My best experience on Fiverr yet! Craig has huge talent and skill, and amazing communication to boot. I definitely recommend you to work with him; you'll be in very capable hands.
$50
Price
Seller's Response
Helpful?
rowdysolomon
United States
Outstanding Experience!
$50
Price
Seller's Response
Helpful?
