Nadjib BELLOUNDJA

Tech Lead / Full Stack Developer

3 recommandations

Salaire / Taux journalier

3 personnes recommandent

Paris, France

Freelance

Peut venir sur site

Expertises

NextSpring BootJavan8nDockerReact NativeJavascriptNestTest Driven DevelopmentClean CodeClean ArchitectureScrapingDéveloppement BackendDéveloppement FullstackDevOpsKubernetesWebflowAWSScrumBase de données SQL

Langues

Français (Maternelle)Arabe (Maternelle)AnglaisEspagnolAllemand

Recommandé par

Antoine Thoreau

Sendō Agency

Cofounder, B2B Lead Generation Expert

A recommandé le 23 juillet 2025

Raphaël Tourenq

Sendō Agency

Co-founder, GTM engineer 🥷

A recommandé le 22 juillet 2025

Romain Le Quellec

Perso

Ingénieur Full Stack

A recommandé le 22 juillet 2025

À propos

Introduction

CTO & Tech Lead with 8+ years leading full-stack development and growth automation. Built scalable platforms serving 100k+ users, raised €2M, and scaled teams from 1 to 15. Expert in Java Spring Boot, React, AWS, and B2B automation tools. I deliver end-to-end solutions from MVP to enterprise scale.

Liens

Expérience de travail

Tech Lead

Qaptur

août 2024 - Présent

2 ans 3 mois

France · Remote

We support Natural Capital, Carbon Investors & Project Developers to source new project opportunities and streamline their screening process. As the only developer and CTO at Qaptur, my main goal is to provide the required platform and functionalities for the investors, project developers and our admin team. My responsibilities : - Built the full-stack MVP from scratch (Java Spring Boot & Next JS) - Integrated third-party tools and services (Sendgrid, Airtable, Softr) - Documented and implemented a lightweight product development process tailored for early-stage iteration and solo development - Deployed and maintained the MVP infrastructure using Docker, Heroku, and GitLab CI/CD

Tech Lead

Sendō Agency

août 2024 - Présent

2 ans 3 mois

France · Remote

Sendo is a B2B lead generation agency specializing in automated outbound outreach : ▪️ Go-To-Market Strategy ▪️ B2B Outreach Lead Generation ▪️ Growth Engineering, CRM operations & Automations 💼 +15 clients: Xerfi, Avizo, Inkivari, Abilways, MySkillFactory... 🏢 Sectors: SaaS, Industry, Sport Tech, Climate Tech, Ed Tech, Enterprise Services... 🛠️ Tools: In-house workflows, Open AI, Perplexity, Hubspot, Brevo, Lemlist, Apollo, LinkedIn Sales Navigator, PhantomBuster, BetterContacts, Zapier/Make/n8n... As the only developer and CTO, my role at Sendo focused on building internal tools and workflows to scale campaign delivery through automation. My responsibilities : - Designed and implemented the scraping infrastructure using Python scripts and external platforms (Octoparse, BrightData, PhantomBuster) - Developed internal no-code/low-code automation workflows to streamline lead enrichment: n8n, DropContact, BetterContact etc.

CTO

Retreeb

août 2021 - août 2024

3 ans 1 mois

Geneva, Switzerland · Hybrid

Retreeb is a decentralized, ethical payment network redistributing one-third of its fees to fund social and solidarity-based projects. The company raised €2M in 2021 and grew to a team of 15. My responsibilities: - Designed and deployed infrastructure for a microservice-based architecture using Docker, Kubernetes (EKS), Terraform, AWS and gitlab CI/CD / Implemented Kafka (with the help of DevOps engineer) - Managed the development & technical strategies of core services: consumer wallet (api & front-end), retailer wallet (api & frontend), payment processor microservice, ethical project financing microservice (Java Spring Boot & MobX React Native) - Managed side-project delivery: hubspot integration microservice (Nest JS), showcase websites (Webflow), Staking platforms (Heroku, smart contracts) - Set up technical management, recruitment policies, and product development processes (Scrum, Asana, sprint process etc.) - Built and scaled a technical team (4 developers, 1 DevOps engineer + external contractors) - Maintained a 30–60% coding involvement, adapting to project phases (MVP, scaling, maintenance) - Used APIs : Sendgrid, Sentry, Twilio, Intergiro (banking as a service api) etc.

Technical Lead

RMA - Royale Marocaine d'AssuranceFreelance

oct. 2020 - mars 2021

6 mois

Prefecture of Casablanca, Casablanca-Settat, Morocco · On-site

RMA is a major Moroccan insurance company. As part of a strategic digital transformation led by McKinsey and Nimbleways (Theodo MEA), I was hired to help design, build, and deploy their new digital platform. My responsibilities : - Led DevOps setup and CI/CD environments using Docker, Podman, OpenShift, GitLab CI, and Jenkins - Managed and coached a 9-person dev team, composed of Nimbleways consultants and internal RMA developers - Contributed to the technical architecture and product specifications - Contributed hands-on to back-end and front-end development (Java Spring Boot, React.js) - Worked closely with the OracleDB/data teams and product stakeholders for feature delivery and data integration

Technical Lead

NimblewaysFreelance

oct. 2020 - mars 2021

6 mois

Prefecture of Casablanca, Casablanca-Settat, Morocco · On-site

Nimbleways is the Moroccan branch of Theodo. Nimbleways helps Moroccan corporate clients to achieve high-scale digitalisation projects. Nimbleways unites mixed teams, with people from both Nimbleways and the end client. The teams apply work modes inspired by startups and accelerate the digital transformation of companies. Please check my experience at RMA below to get a full view of my role and responsibilities.

Technical Lead / Web Developer

Theodo

août 2020 - mars 2021

8 mois

Paris, France

Theodo develops digital solutions for its clients, to increase their market share and productivity. Theodo unites mixed teams, with people from both Theodo and the end client. The teamps applies work modes inspired by startups and accelerates the digital transformation of companies. My missions at Theodo vary from a client to another as the needs are different. But mainly I have been working as a senior back-end developer in clients' offices, with the clients' teams.

Back End Developer

ekWateurFreelance

août 2020 - oct. 2020

3 mois

Paris, France

Ekwateur is a French green energy provider (electricity, gas, wood). BAM (a Theodo group company) hired me to support key back-end development efforts. My responsibilities : - Built and maintained new features using Symfony, PostgreSQL, and API Platform Wrote unit and functional tests with phpunit, and maintained pipelines via GitLab CI/CD - Participated in agile ceremonies, including product discussions and task estimation (Scrum)

Cofounder & CTO

AllSessions

janv. 2017 - août 2020

3 ans 8 mois

Greater Paris Metropolitan Region · Hybrid

AllSessions is an online sports platform dedicated to improving wellness and team cohesion in corporations (HappyTech label) - Acquired in 2020 My responsibilities : - Designed and built features in Symfony, PostgreSQL, jQuery, and Bootstrap - Integrated 3rd-party APIs: Mandrill, Google, Facebook, and others - Led remote developers and designers using agile methodologies (Scrum) - Wrote and maintained a full suite of unit and functional tests - Participated to agile ceremonies, including product specifications and task estimation (Scrum)

Youtuber

YouTube

janv. 2018 - mars 2019

1 an 3 mois

7620 Paris, Danemark

I decided to follow my passion for self-improvement this year by starting my Youtube channel about the topic. :) I try to post two videos a month. Please follow me on youtube & social media : Youtube: https://www.youtube.com/NadjibCoaching?sub_confirmation=1 Instagram: https://www.instagram.com/nadjib.coaching/

Back End Developer

Incenteev

janv. 2016 - mars 2018

2 ans 3 mois

Greater Paris Metropolitan Region · On-site

Incenteev is a collaborative platform focused on sales team performance management. My responsibilities : - Developed and maintained features using Symfony, PostgreSQL, jQuery, and Bootstrap - Integrated various APIs (Mandrill, Google Maps, etc.) - Wrote comprehensive unit and functional tests (phpunit) - Participated to product workshops and sprint planning (Scrum)

Intern Equity Derivatives Trader Assistant

BNP Paribas

déc. 2013 - mai 2014

6 mois

Greater Paris Metropolitan Region · On-site

- Monitored Flow on Warrants and Certificates products and the electronic contribution on Exchange-Traded Notes - Assisted traders on the daily management of their books (Pricing, Delta/Gamma/Vega Hedging) - Priced light exotic products upon launching of new strategies - Developed new systematic hedging strategies: generated signals from intraday volatility estimates & market conditions such as spreads/volumes/screen prices to adjust stop-loss levels, aggressivity and choice of the hedging instrument

Intern in Structured Finance, Loan Syndication and Export Finance

Banque Palatine

juin 2013 - déc. 2013

7 mois

Greater Paris Metropolitan Region · On-site

- Analyzed country risks and foreign banks (Bankers & Fitch databases) - Analyzed credit applications for "Mid Cap and Large Corporate" customers (International Syndications) - Carried out reporting and sales action plans - Filled export L/C (letter of credit).

Cofounder

Goforeat

mai 2012 - oct. 2013

1 an 6 mois

7620 Paris, Danemark

- Took part in the conception of the business model and the website - Worked out the company’s communication and development strategies - Launched and developed the business


Formation

42 Paris

Bachelor's Degree

2014 - 2017

3 ans 1 mois

HEC Paris

Master's Degree

2011 - 2016

5 ans 1 mois

Pierre and Marie Curie University

Bachelor's degree

2013 - 2014

1 an 1 mois

Lycée Janson de Sailly

Business "Classe préparatoire"

2009 - 2011

2 ans 1 mois

Lycée Louis Massignon

French Baccalauréat

1997 - 2009

12 ans 1 mois

Le meilleur endroit pour trouver votre prochaine opportunité

© 2026. Tous droits réservés.