Need to Build, Improve or Automate Your Business Software?
I help businesses build new software, improve existing applications, automate manual workflows, and connect systems through APIs and integrations — from architecture and development through deployment and ongoing support.
13+ years of professional software development experience, including 6+ years working directly with a UK product company.
Professional Experience
UK Product Company
Architecture to Production
Let's Talk About Your Project
Get a free consultation to discuss your software requirements, technical challenges, or ideas for improving an existing application.
13+ Years
Professional Experience
6+ Years
UK Product Collaboration
End-to-End
Software Delivery
International
Client Experience
About Me
A Senior Developer Who Can Take Ownership, Not Just Complete Tasks.
I'm Vishnu, an independent Senior Full-Stack Developer & Solution Architect with 13+ years of professional software development experience. I work directly with businesses and product teams that need experienced technical support to build, improve or maintain business-critical software.
Whether you have an existing application that needs new features, integrations or technical improvements, or you're planning a new platform from the ground up, I can help from requirements and architecture through development, deployment and ongoing support.
My background includes 6+ years working directly with a UK product company on production software, giving me extensive experience with long-term development, evolving business requirements and maintaining systems that real customers depend on.
How I Can Help
Practical Software Solutions for Real Business Needs
Whether you're replacing manual processes, improving an existing application or building something new, I can help turn the requirement into a reliable software solution.
Replace Manual Processes
Replace spreadsheets, repetitive tasks and disconnected workflows with custom software built around how your business actually operates.
Improve Existing Software
Add new features, fix technical problems, improve performance and modernize applications that your business already depends on.
Connect Your Systems
Integrate APIs, payment platforms, third-party services, AI tools and internal systems so information can move reliably between them.
Build Business Systems
Develop ERP, CRM, WMS, booking, inventory and operational applications tailored to your workflows and requirements.
Build a New SaaS or Platform
Turn a business or product idea into a practical architecture and production-ready web application, from MVP through ongoing development.
Add Senior Technical Support
Bring in experienced development support for architecture, complex features, integrations, production issues or ongoing product development.
Not sure what technical solution you need? Tell me what you're trying to improve.
Tell Me About Your RequirementSoftware Development Services
From new application development to integrations, architecture and production support, I provide hands-on technical expertise across the complete software lifecycle.
SaaS & Custom Software Development
Development of SaaS platforms, customer portals, booking systems, ERP/CRM/WMS workflows, internal tools and custom business applications.
Existing Application Development
New features, bug fixing, code improvements, performance optimization, modernization and ongoing development for existing applications.
APIs, Integrations & Automation
REST APIs, third-party integrations, payment gateways, SSO, webhooks and workflow automation that connect applications and business systems.
AI Integration
Practical AI features for existing or new applications, including assistants, intelligent search, content workflows and LLM-powered functionality.
Cloud & Production Support
AWS and Linux deployment, databases, storage, caching, queues, CI/CD, troubleshooting, performance improvements and ongoing production support.
Architecture & Technical Consulting
System architecture, database and API design, technology decisions, MVP planning and implementation roadmaps based on your business requirements.
Need Help With a Software Project?
Tell me what you're building, what isn't working, or what you'd like to improve.
Discuss Your ProjectSoftware I've Built & Contributed To
Selected production platforms, business applications, APIs, cloud solutions, and engineering projects demonstrating my experience across architecture, development, integrations, deployment, and long-term product support.
Production Platforms & Business Systems
Real-world software developed and supported for UK and international clients, including SaaS, EdTech, APIs, integrations, and business-critical applications.
Language Angels
Language Angels is a comprehensive language-learning platform supporting curriculum content, teaching resources, assessments, school integrations, and digital learning workflows for schools across the UK.
Business Challenge
Supporting a mature education platform required continuous feature development, reliable integrations with external education services, scalable APIs, performance improvements, and dependable production support.
What I Delivered
Developed and maintained core Laravel modules, REST APIs, school integrations, authentication workflows, administrative functionality, AWS-backed services, and ongoing platform improvements.
Outcome
Contributed for more than six years to the continued development and operation of a production EdTech platform serving UK schools and teachers.
Technologies
Laravel PHP MySQL JavaScript AWS REST APIs Webhooks Git6,224+
UK Schools6+ Years
ContributionAWS
Cloud & APIs
Languages CPD Hub
Languages CPD Hub is an online professional development platform providing courses, training videos, certificates, and learning resources for language teachers.
Business Challenge
The platform required reliable delivery of training content and large media files while maintaining secure access, scalable cloud storage, and good application performance.
What I Delivered
Implemented Laravel functionality, AWS S3 storage, CloudFront-backed content delivery, large-file upload workflows, APIs, and production performance improvements.
Outcome
Delivered a maintainable cloud-backed learning platform capable of supporting professional development content, video resources, and large media workflows.
Technologies
Laravel PHP AWS S3 CloudFront MySQL REST APIs JavaScriptVideo
LearningAWS
S3 + CloudFront2GB+
File Uploads
Glurbs
Glurbs is a UK-based digital learning and engagement platform designed to provide interactive educational experiences and online learning functionality.
Business Challenge
The product required ongoing backend development, new business functionality, API support, database improvements, and reliable deployment and production operations.
What I Delivered
Developed Laravel backend modules, REST APIs, business logic, database functionality, integrations, and AWS-supported production workflows.
Outcome
Supported the ongoing development and production operation of the platform while expanding backend capabilities and improving maintainability and reliability.
Technologies
Laravel PHP MySQL REST APIs AWS JavaScriptLaravel
BackendREST
APIsAWS
CloudArchitecture & Technical Demonstrations
Hands-on projects demonstrating Laravel architecture, SaaS development, REST APIs, authentication, AWS, database design, and modern engineering practices.
BookingFlow
BookingFlow is a Laravel 12 travel booking application demonstrating structured application architecture, booking workflows, role-based access control, seat selection, and administrative functionality.
What I Delivered
Designed and developed the application architecture, authentication, RBAC, booking workflow, passenger management, seat selection, administrative functionality, and responsive user interface.
Technologies
Laravel 12 PHP MySQL Vue.js Bootstrap 5 ViteLaravel 12
FrameworkRBAC
Access ControlBooking
Workflow
Laravel AWS S3 Multipart Upload
Laravel demonstration project implementing scalable multipart uploads to Amazon S3 using presigned URLs, chunked transfers, retry handling, and upload progress tracking.
What I Delivered
Designed an upload workflow that allows large files to be transferred directly to Amazon S3 in multiple parts while Laravel manages authorization and multipart upload coordination.
Technologies
Laravel 12 PHP AWS S3 JavaScript REST API Presigned URLs2GB+
Large FilesAWS S3
StorageMultipart
Upload Design
Laravel JWT Authentication API
Laravel 12 REST API project demonstrating JWT-based authentication, protected endpoints, token refresh, logout, middleware protection, and standardized API responses.
What I Delivered
Created a reusable Laravel authentication structure with JWT guards, protected routes, token lifecycle handling, middleware, and consistent JSON response patterns.
Technologies
Laravel 12 PHP JWT REST API MySQLJWT
AuthenticationREST
APIBearer
Token AccessAdditional Professional Projects
Selected commercial applications from earlier in my career, covering custom PHP development, database-driven systems, business workflows, and web application development.
BrokersADDA
Real estate platform supporting property listings, broker management, lead tracking, property discovery, and related business workflows.
Technologies
PHP MySQL JavaScript AJAX
addCar Rental
Online car rental platform supporting vehicle search, booking, reservation management, and rental-related business operations.
Technologies
PHP MySQL JavaScript AJAXAdditional Experience: ERP & CRM systems, warehouse management, payment integrations, REST APIs, AWS cloud infrastructure, learning platforms, booking systems, workflow automation, third-party integrations, and custom business applications delivered across 13+ years of professional development.
Discuss a Similar ProjectWhat Clients Say About Working With Me
Feedback from clients I've worked with on software development, product delivery, long-term development and technical projects.
Thank you sincerely for all the excellent work you have done for us, Vishnu. It has been a privilege to work with you, and I genuinely hope we will have the opportunity to do more together in the future.
I will absolutely recommend you. Also, if any work at all comes up from us, I will give it to you right away.
I feel like we really making nice progress. You are very professional.
Nice job! Very neat and understandable code. Easy and fluent communication and fast in understanding tasks. We can recommend Vishnu!
Very impressed with Vishnu's programming skills. He easily managed to help me create a sophisticated calculator in the time I needed it done and exactly to my specification. Programming/math skills, communication and his willingness for revisions puts him at the top of my list here on Upwork. Highly recommend.
Recommend without reservation. Was quickly responsive to all requests, suggested good ideas, stayed on schedule, a productive, good communication style, no sideline issues presented themselves, just focused on the job, well done.
Vishnu delivered good work on this optimisation project and I enjoyed working with him. His communication was top-notch, he met all deadlines, and his skills were reasonably strong. I enjoyed working with Vishnu and will likely have additional jobs for him in the future.
Looking for an experienced developer you can work with directly?
Discuss Your ProjectMore Than Just Writing Code
I work directly with clients to understand the requirement, make practical technical decisions, deliver the solution, and support it beyond the initial development.
Direct Communication
You work directly with the developer responsible for understanding your requirements and delivering the solution — without unnecessary layers of communication.
End-to-End Ownership
I can take responsibility from requirements and architecture through development, integrations, deployment and ongoing technical support.
Comfortable With Existing Systems
Not every project starts from scratch. I can understand existing codebases, troubleshoot problems, add features and improve systems already running in production.
Business Before Technology
I focus on solving the business requirement first, then choose a practical technical approach that balances delivery time, complexity, maintainability and cost.
Production-Focused Development
Development doesn't stop when a feature works locally. I consider security, performance, testing, deployment, reliability and maintainability for production systems.
Long-Term Support
I can continue supporting your software as requirements evolve — from new features and integrations to maintenance, troubleshooting and ongoing improvements.
Technology for Building Reliable Business Software
My strongest background is in Laravel/PHP and backend development, supported by modern frontend technologies, databases, integrations, AI capabilities and cloud infrastructure for complete application delivery.
Backend & Architecture
Laravel
PHP
REST APIs
API Integrations
Webhooks
Authentication & RBAC
System Architecture
Business Workflows
Frontend & Databases
React
Vue.js
JavaScript
Bootstrap
PostgreSQL
MySQL
Integrations & AI
Third-Party Integrations
Payment Integrations
SSO
AI Integration
AI Assistants
Workflow Automation
Cloud & Production
AWS
EC2
S3
CloudFront
Redis
Linux
Git & GitHub
Docker
Solutions & Platforms
SaaS Platforms
ERP / CRM Workflows
Warehouse & Inventory
Booking Platforms
Learning Platforms
Business Applications
13+ Years Building & Supporting Production Software
13+ years of professional software development experience, progressing from hands-on PHP development to senior full-stack development, solution architecture, and independent software consulting.
Independent Senior Full-Stack Developer & Solution Architect
Independent Software Development & Consulting
Working independently with businesses and international clients to build, improve and support SaaS platforms, custom business applications, APIs, integrations and cloud-based systems.
Providing hands-on development and technical ownership from requirements and architecture through implementation, deployment and ongoing production support.
Senior Full-Stack Developer
Nubridge Publishing Ltd. — UK Product Company
Worked remotely for more than six years with a UK product company, developing and supporting long-running production platforms including Language Angels, Languages CPD Hub and Glurbs.
Responsible for application development, REST APIs, third-party integrations, database and performance improvements, AWS services, production troubleshooting and ongoing product development.
Full-Stack PHP Developer
Cyber Infrastructure Pvt. Ltd.
Developed custom web applications and business software for international client projects across multiple industries, working on backend systems, business workflows, APIs, integrations, databases and frontend functionality.
PHP Developer
Syscraft Information System Pvt. Ltd.
Began my professional software development career building PHP/MySQL web applications, backend functionality and database-driven solutions for client projects.
Let's Discuss What You're Trying to Build or Improve
Whether you're planning new software, improving an existing application, automating a business process, or connecting systems, tell me what you need. I'll help you identify a practical way forward.
Let's Discuss Your Software Project
Have a new software idea, an existing application that needs improvement, or a technical challenge you'd like to solve? Share a few details and let's explore the best way forward — no obligation.
Tell Me About Your Project
Get a free initial consultation. No detailed technical specification required — a short description is enough to get started.
Prefer to Contact Me Directly?
Reach me directly through WhatsApp or email, or view my professional profiles and engineering work.
Start a project conversation
monu91sikarwar@gmail.com
View my professional experience
GitHub
View my code & engineering projects
Available for freelance projects, contract development, technical consulting and long-term development partnerships.