Jose Manuel B.-Senior PHP / Full-Stack Engineer · Symfony · React · TypeScript · Laravel · LLM Integration
Check rate
Experience
AI Integration Engineer (LLM Connector Developer)
Runware
- Implementing and verifying LLM model connectors for the TPI (Third Party Integration) / Nexus inference infrastructure layer, integrating providers including OpenAI, Anthropic, Google Gemini, Alibaba Qwen, MiniMax, xAI Grok, and DeepSeek.
- Conducting end-to-end QA across 45+ scenario test suites against staging API environments, identifying parameter validation bugs and raising detailed Jira tickets with reproduction steps.
- Deep working knowledge of LLM API patterns: model routing, token limits, temperature, tool/function calling, JSON schema validation, seed handling, and provider-specific quirks.
- Maintaining Confluence parameter reference documentation and Jira tickets as core artefacts of connector work; collaborating with ML engineers on vLLM inference infrastructure.
- Investigated and diagnosed production incidents in distributed infrastructure (Nexus gateway + TPI daemon + RabbitMQ), including Redis TCP failure analysis and ingress log triage.
Senior PHP Laravel Engineer
Bumper UK
- Designed, implemented, tested and deployed a new Laravel-based REST API integrating the company's payments platform with the GoCardless payments API.
- Implemented OAuth, request signing, idempotency handling and failure-recovery to meet GoCardless integration standards.
- Applied clean architecture, SOLID principles and Laravel best practices to ensure maintainability and future scalability.
- Collaborated closely with backend engineers, DevOps and product to align integration flows, testing strategy and launch timelines.
Senior Full-Stack PHP / Laravel Engineer
Sony Computer Entertainment UK Limited
- Built a high-performance CRM in Laravel 11 processing 5,000+ requests/hour with 99.99% uptime, reducing support costs by 25%; backed by MariaDB and AWS RDS.
- Developed and maintained a dynamic Vue.js form creation tool integrated into PlayStation.com, cutting information-gathering setup time by 50%.
- Designed and optimised RESTful APIs for marketing automation, improving campaign delivery efficiency by 30%.
- Collaborated in Agile sprints, delivering features on schedule 95% of the time across cross-functional teams.
Full-Stack PHP Contractor
FusePump
- Modernised legacy PHP systems, upgrading to PSR-12 and Symfony standards, improving maintainability.
- Designed and deployed REST APIs for internal automation, reducing backlog processing time by ~40%.
- Introduced GitLab CI/CD pipelines, cutting release times from days to hours.
- Provided consultancy on Node.js and React integration for upcoming projects.
Sr PHP/Full stack developer contractor
Software Contractor
After more than 10 years of PHP and full stack development, became a full time contractor to help companies develop better quality code and improve legacy code.
Proficient and interested in:
Code design & clean code
Software architecture
Good practices & SOLID principles
PHP (Laravel, Symfony, Cake, Zend)
Javascript, ReactJS
AWS
Docker & CI pipelining
Team Lead / Senior PHP Developer
IsoftBet
- Led a team of 4 developers to refactor and migrate legacy systems to modern Symfony architecture.
- Introduced unit and functional testing, reducing bug reports by 30%.
- Conducted code reviews and training sessions on SOLID principles and Symfony best practices.
Sr. Full Stack Developer
Globant
- Directed SEO and e-learning platform development for Ticketmaster and an educational client.
- Delivered REST APIs with Laravel/Lumen backend and Vue.js frontend, optimised for performance and scalability.
- Mentored junior developers and coordinated multi-location teams.
- Integrated Docker into the development workflow, improving consistency across environments.
Sr Full Stack Developer
Market Tech UK
PHP Developer
3V Transaction Services
Sr. PHP Developer in charge of new and former projects of the company.
Launched a new site for Greece, based on existing deployments, for managing cards online without the need for a bank intermediary.
Technologies used: PHP, HTML, CSS, JS.
Front End Developer
Betsson
Sr. Front end developer for the new responsive casino site.
Used Durandal for building the site, along with HTML, JS & CSS.
Part time developer
NBX
- PHP Developer for specific e-commerce projects.
Semi Senior Development
Globant
PHP web developer for an entertainment based company in USA.
Created pages, blogs and implemented cutting edge ideas to fit client expectations.
Semi-Senior Programmer
Thales Information Systems
- Programmer for various company clients.
Programmer
EYAC
PHP & JS developer for the sites used by SENASA & PROSAP.
Maintained these sites and started building a new one with Flex 3 and PHP5 backend.
Freelance Developer
- Built and maintained high-traffic applications using Symfony, CodeIgniter, AngularJS and Laravel.
- Responsive casino site for Betsson (HTML5, KnockoutJS, Durandal); Camden Market management system (Symfony 2, MySQL); financial services apps for O2 Money Card (Symfony, AngularJS).
- Led cross-border teams and coordinated enterprise-level projects.
Senior Software engineer
Safecharge
- Built and maintained high-traffic applications using Symfony, CodeIgniter, AngularJS and Laravel.
- Responsive casino site for Betsson (HTML5, KnockoutJS, Durandal); Camden Market management system (Symfony 2, MySQL); financial services apps for O2 Money Card (Symfony, AngularJS).
- Led cross-border teams and coordinated enterprise-level projects.
Web Developer
Ministerio de Planificación
Web development, system testing and system design.
Database design for the systems.
Solved a range of system-related problems.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, Retail, Media and Entertainment, Government and Administration, and Education.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Project Management, and Quality Assurance.
Summary
Senior PHP engineer with 10+ years of experience delivering backend systems, REST APIs and full-stack web applications across contract and permanent roles. Strong recent Symfony expertise, combined with hands-on React and TypeScript in personal and professional projects. Currently working at Runware (April 2026–present) integrating LLM APIs and building AI inference infrastructure, giving practical knowledge of LLMs, prompt engineering and OpenAI-compatible API patterns. Proven track record in Agile SME and enterprise environments, clean code practices, and cross-functional team collaboration.
Skills
- Backend: Php 8, Symfony 3/4, Laravel 11, Lumen, Restful Apis, Node.Js (Express)
- Frontend: React (Hooks, Router), Typescript, Next.Js (Working Knowledge), Vue.Js, Tailwind Css, Javascript Es6+
- Databases: Mysql, Mariadb, Postgresql, Mongodb, Sql Query Optimisation
- Ai & Llms: Llm Api Integration (Openai-Compatible), Prompt Engineering, Ai Inference Infrastructure, Runware Ai Platform
- Cloud & Devops: Aws (S3, Cloudfront, Ec2), Docker, Github Actions, Gitlab Ci/Cd, Vagrant
- Testing: Phpunit, Pest, Tdd, Bdd, Solid, Clean Code
- Nice To Have: Graphql (Working Knowledge), React Native / Expo (Familiar), Agile/Scrum, Jira, Confluence
Languages
Education
University of Buenos Aires
Engineer · Computer Science · Argentina
Statistics
Experience
Global experience
Expertise
Frequently asked questions
Have questions? Find more information here.
Jose Manuel is based in London, United Kingdom and can operate in on-site, hybrid, and remote work models.
Jose Manuel speaks the following languages: Spanish (Native), English (Advanced).
Jose Manuel has at least 21 years of experience. During this time, Jose Manuel has worked in at least 17 different roles and for 15 different companies. The average length of individual experience is 1 year and 3 months. Note that Jose Manuel may not have shared all experience and actually has more experience.
Based on recent experience, Jose Manuel would be well-suited for roles such as: AI Integration Engineer (LLM Connector Developer), Senior PHP Laravel Engineer, Senior Full-Stack PHP / Laravel Engineer.
Jose Manuel's most recent position is AI Integration Engineer (LLM Connector Developer) at Runware.
In recent years, Jose Manuel has worked for Runware, Bumper UK, Sony Computer Entertainment UK Limited, and Software Contractor.
Jose Manuel is most experienced in industries like Information Technology, Banking and Finance, and Retail. Jose Manuel also has some experience in Media and Entertainment, Government and Administration, and Education.
Jose Manuel is most experienced in business areas like Information Technology, Product Development, and Project Management. Jose Manuel also has some experience in Quality Assurance.
Jose Manuel has recently worked in industries like Information Technology, Automotive, and Banking and Finance.
Jose Manuel has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.
Jose Manuel attended University of Buenos Aires for Computer Science.
Jose Manuel is immediately available for suitable projects.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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