José DA COSTA - Portfolio

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: 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.

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In numbers

26years of career

13years as employee

18years of entrepreneurship

11years of trainingincluding 2 Master's degrees

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.

See my journey

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.

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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.

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Featured work

A sample covering my different roles: Engineering Manager, Project Manager, CTO Early-Stage, and Senior Software Engineer.

Engineering Manager

ESB Integration Platform - 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.

Project Manager

AI & Machine Learning Ad Platform

SaaS platform optimizing Google Ads through Machine Learning (alias AdsPower). Azure ML pipelines, 4-freelancer team led as Technical Project Manager.

CTO Early-Stage

Food-Truck Platform

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.

Senior Software Engineer

European B2B Search Engine

European B2B promotional product ecosystem: 15+ sub-applications, 9M+ lines of code, 97 database tables, 7 languages, 26+ supplier connectors.

Project Manager

Bynder Digital Asset Management

Project leadership for the Bynder DAM rollout at Groupe Pichet (1,400 users), replacing the legacy OpenText. Delivered ahead of schedule and within budget.

Senior Software Engineer

Magento E-Commerce Redesign - Fleurance Nature

Full redesign of fleurancenature.fr at Smile: Magento EE 1.10, Solr to ElasticSearch migration, 60 custom PHP modules, 13-month project.

See all my achievements

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.