--- title: "Engineering Manager CEO/CTO of ACCENSĒO Senior Software Engineer - Full-Stack" description: "Professional portfolio of José DA COSTA - Full Stack Developer" locale: "en" canonical: "https://portfolio.josedacosta.net/en" source: "https://portfolio.josedacosta.net/en/index.md" html_source: "https://portfolio.josedacosta.net/en" author: "José DA COSTA" type: "home" generated_at: "2026-06-02T15:38:14.456Z" --- # Engineering Manager CEO/CTO of ACCENSĒO Senior Software Engineer - Full-Stack 26 years of career, 7 positions held, 4 companies founded. Tomorrow, CTO of an early-stage startup or scale-up. **Engineering Manager** passionate about Software Engineering, **CEO and CTO of ACCENSĒO**, my own consulting and software development company founded in 2024 (4 people). A **deliberate** **dual track**: one foot in team operations, one foot in technical leadership. Growing Engineering Teams, carrying a strategic vision, shipping ambitious products, tackling technical challenges: that is what drives me. To understand the genesis of my journey, head over to the page dedicated to [**Celiane**](celiane-founder): my very first company, launched at **18 years old**, my true beginnings in software and entrepreneurship - and an early success that laid the foundation for everything that followed. ## In numbers - **26** years of career - **13** years as employee - **18** years of entrepreneurship - **11** years of training ## My three hats today - **Engineering Manager** - Leading cross-functional teams, roadmap, hiring, individual and collective performance. Open to any Engineering Manager or CTO opportunity in a company. - **CEO/CTO of ACCENSĒO** - My consulting and software development company (4 people). I support SMEs and mid-market companies in trade, industry, and real estate: CTO advisory, custom development, IaC. - **Senior Software Engineer - Full-Stack** - Software architecture, system design, building and shipping technical products. I code, I design, I review. Also available for Senior Software Engineer engagements. ## Featured work A sample covering my different roles: Engineering Manager, Project Manager, CTO Early-Stage, and Senior Software Engineer. - **ESB Integration Platform - Engineering Manager** _(Engineering Manager)_ - Led a team of 1 to 7 developers managing 100+ data flows and 20+ business applications on Tibco BusinessWorks ESB. Capacity planning, 300K EUR annual budget. - **AI & Machine Learning Ad Platform** _(Project Manager)_ - SaaS platform optimizing Google Ads through Machine Learning (alias AdsPower). Azure ML pipelines, 4-freelancer team led as Technical Project Manager. - **Food-Truck Platform** _(CTO Early-Stage)_ - Redesigned a WordPress site into a Next.js 16 + Payload CMS platform for a French food-truck manufacturer. 129K LOC, 78 pages, delivered in 41 days. - **European B2B Search Engine** _(Senior Software Engineer)_ - European B2B promotional product ecosystem: 15+ sub-applications, 9M+ lines of code, 97 database tables, 7 languages, 26+ supplier connectors. - **Bynder Digital Asset Management** _(Project Manager)_ - Project leadership for the Bynder DAM rollout at Groupe Pichet (1,400 users), replacing the legacy OpenText. Delivered ahead of schedule and within budget. - **Magento E-Commerce Redesign - Fleurance Nature** _(Senior Software Engineer)_ - Full redesign of fleurancenature.fr at Smile: Magento EE 1.10, Solr to ElasticSearch migration, 60 custom PHP modules, 13-month project. ## Where do you want to start? Depending on what you are looking for, here are the most direct paths. - **Are you hiring an Engineering Manager or a CTO?** - My resume, journey, and skills give you a structured, evidence-backed view. - **Are you leading an ambitious project?** - My achievements span the different roles I can take on alongside you. - **Want to learn more about me?** - My about page details who I am, what guides me, and how I work day to day. ## Want to talk? If you are leading an ambitious project - an early-stage startup to launch, a scale-up to structure, a SaaS product to industrialize - and you are looking for an Engineering Manager or a CTO to build the team, secure delivery, and carry the technical vision at the executive table, do not hesitate to contact me.