I will be your senior full stack developer for custom web and software development


About this gig
Building a site is easy, building a secure, scalable software infrastructure requires senior expertise. With 8 years as a Senior Engineer, I build high performance web applications using WordPress latest version, MERN stack, and Python.
Technical Capabilities:
I develop custom RESTful APIs and server-side architecture designed for high traffic. My frontend work focuses on high-fidelity, responsive UI using modern JavaScript and React. I specialise in complex database design, ensuring your data is structured, optimised, and secure.
The Professional Standard:
Every project is built with hardened security and full UK-GDPR and WCAG compliance. I focus on long-term maintainability using version controlled Git workflows. Your application will achieve 90+ Page Speed scores with clean, documented code and native AI-ready infrastructure.
I solve complex technical challenges with precision. Please message me to discuss your software requirements before ordering.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Simon R
UK Based Senior Developer
- FromUnited Kingdom
- Member sinceApr 2026
- Avg. response time2 hours
Languages
English, German
Other Website Development Services I Offer
FAQ
Do you provide the source code and documentation?
Yes. You will have full ownership of the clean, version-controlled source code. I also provide technical documentation so any developer can manage or scale the system in the future
Will my application be secure and GDPR compliant?
Absolutely. I build with a security-first mindset, including data encryption and hardened server settings. All systems are designed to meet UK-GDPR and international privacy standards.
Can you integrate my software with third-party APIs?
Yes. I specialise in connecting applications to external services like payment gateways, shipment tracking databases, CRM tools, and AI services using secure RESTful APIs.
What tech stack do you use for development?
I choose the best tools for your specific needs, typically using the MERN stack (React, Node.js), Python for complex logic, or WordPress for high-performance business sites.
Do you offer support after the project is finished?
Yes. I provide a handover period to ensure everything runs smoothly. I also offer ongoing maintenance packages to keep your software updated, secure, and compatible with new web standards.
