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Dorian Lupu

CTO / Lead Dev Ruby on Rails (+13 ans XP)

Peut se déplacer à Paris

  • 48.85661400000001
  • 2.3522219000000177
  • Tarif indicatif 1 150€ / jour
  • Expérience 7 ans et +
  • Taux de réponse 100%
  • Temps de réponse 12h
Proposer un projet La mission ne démarrera que si vous acceptez le devis de Dorian.
Proposer un projet La mission ne démarrera que si vous acceptez le devis de Dorian.

Localisation et déplacement

Localisation
Paris, France
Peut travailler dans vos locaux à
  • Paris et 50km autour

Préférences

Durée de mission
Préfèrerait :
  • entre 3 et 6 mois
  • ≥ 6 mois
Préfèrerait éviter:
  • ≤ 1 semaine
  • ≤ 1 mois
  • entre 1 et 3 mois
Taille d'entreprise
Préfèrerait :
  • 11 - 49 personnes
  • 50 - 249 personnes
  • 250 - 999 personnes
  • 1000 - 4999 personnes
  • ≥ 5000 personnes
Préfèrerait éviter:
  • 1 personne
  • 2 - 10 personnes

Vérifications

Charte du freelance Malt signée
Consulter la charte

E-mail vérifié

Influence

Langues

  • Anglais

    Capacité professionnelle complète

  • Roumain

    Bilingue ou natif

  • Français

    Bilingue ou natif

Catégories

Compétences (38)

Dorian en quelques mots

Serial-entrepreneur et freelance senior Ruby on Rails (+13 ans expériences), je comprends les challenges essentiels des entrepreneurs ainsi que les enjeux des produits web Saas.

  • Vous cherchez un partenaire technique capable de mettre en pratique votre vision ?
  • Vous êtes en phase de prototypage avec un budget serré ?
  • Vous préparez une phase de levée de fonds et vous souhaitez ajouter des fonctionnalités critiques à votre produit rapidement ?
  • Vous faites face à une croissance qui soumet votre produit à rude épreuve aux niveaux performance et sécurité ?
  • Vous avez déjà une solution en place mais souhaitez être accompagné dans une refonte optimisée pour vos utilisateurs (Ux/Ui) ?

Je suis en mesure de répondre à tous ces besoins parce que je les comprends ! Je sais être force de proposition et j'analyse et anticipe vos enjeux stratégiques et techniques (à court, moyen et long terme.).

Je suis à votre écoute pour en discuter, n'hesitez pas à me contacter!

Qui suis-je ?
  • Développeur sénior full-stack - Expert Ruby on Rails - React Js
  • Fondateur et co-fondateur de 3 sociétés pérennes
  • Tech-curieux
  • Passionné par de developpement depuis l'age de 13 ans
  • Père de 2 enfants

Mes valeurs :

  • La transparence
  • La bienveillance
  • La loyauté
  • La confiance

Expériences

The DeepCore

Banque & assurances

Chief Technology Officer

Paris, Île-de-France, France

novembre 2020 - Aujourd'hui (1 an et 6 mois)

The DeepCore is the association of physical commodities brokers and a web development team.

The objective of this collaboration is to offer our clients the best trading experience.

From price discovery to trading, our ambition is to modernize, thanks to our innovations, the old-school trading process, and match our digitalization era. We also provide brokers, traders, and agents with tailored-mode software to develop their business in any available market.

Our team has designed and implemented many different solutions that solved our customers’ most critical business needs.

Kundigo

Edition de logiciels

Founder  - En tant que freelance

France, Paris Area

avril 2015 - Aujourd'hui (7 ans et 1 mois)

Main services:

  • Build tailored web & mobile applications
  • Consultancy services as a freelance
  • Team reinforcement as a freelance

You can hire me directly or via Toptal and Malt. See the projects section for more information about past work for clients like Finexkap, Effilab or Node Trading.

Hivebrite

Réseaux sociaux

Senior Back-End Developer  - En tant que freelance

Paris, Île-de-France, France

novembre 2019 - février 2021 (1 an et 3 mois)

I’ve worked with the internal development team as a senior back-end developer on:

  • developing new features for the in-house applications (stack: Ruby on Rails + React JS)
  • improving performance issues under heavy traffic
  • reinforcing best practices related to testing by increasing test coverage
  • reducing technical debt and refactor legacy code

Hexagonal Consulting

Edition de logiciels

Chief Operating Officer

Paris Area, France

juin 2017 - octobre 2019 (2 ans et 4 mois)

Hexagonal Consulting is a rapidly growing French software and consulting company with proven expertise as a Solutions Integrator. The company's clients are large key-accounts like SNCF Reseau, Thales Group and Accor Group. My main activities as the responsible of the development team

  • Manage a team of 8 developers - working remotely :
  • Conceive several in-house tools that increase the productivity of our development process
  • Build knowledge bases that reduce the learning curve process.

As a senior project manager, I've managed several projects for one of our most important clients, SNCF Reseau ( see Projects section below).

Dimelo, a RingCentral Company

Réseaux sociaux

System Integration Project Manager (Professional Services Team)

Paris Area, France

août 2012 - mars 2015 (2 ans et 7 mois)

Dimelo is a SaaS software company offering 2 SaaS multitenant Products.

  • Customer Communities - powers branded communities that drive traffic, lift customer lifetime value, foster innovation, and significantly reduce the cost of customer care by enabling peer care and self-care
  • Social Customer Service - unifies interactions across digital channels like social networks (Facebook, Twitter ...) , the web (forums, blogs, ...) , email, SMS , etc. It enables marketing and customer service departments to combine effective customer service with operational efficiencies.

As System Integration Project Manager I have a deep understanding of the products architecture and integration capabilities :
  • Single Sing On: OAuth, OpenID, JWT, CAS, Custom SSO protocols
  • REST-ful APIs, Data exports for BI integration
  • Third party integrations: SalesForce (CRM), Microsoft Dynamics (CRM), Netino (Message Moderation), Survey Monkey (determine the Net Promoter Score using surveys), Akio (Email Management), iAdvize (Chat Solution)

My main responsibilities are :
  • to lead developments, to recruit and train developers in the Professional Services Team
  • to help partners and integrators to make the most of products' integration capabilities to achieve client requirements and use cases
  • to identify use cases that are relevant from a product perspective and present them to the product manager as integration feature requests

Additionally, as a Security Interlocutor :
  • I respond to all inquiries from our clients related to infrastructure and application security
  • I make sure security audits unfold smoothly (up to 6 significant audits per year) and that the product team fixes quicky any relevant findings Last but not least, as the Technical Adviser of the pre-sales team :
  • I clarify and dialog on project scope/context to identify technical risk factors and provide more accurate estimations
  • I do basic product / feature demos

Self-Employed

Ruby on Rails freelance developer  - En tant que freelance

Paris Area, France

juin 2011 - août 2012 (1 an et 2 mois)

I’ve helped young startups to deliver Minimum Viable Products. I’ve also helped a mid-size company to reduce the technical debt of an internal CRM tool. Keywords: Ruby on Rails, Web applications, MVP, Startups, SAAS, ETL, System Integration

Easy Marketing SRL

Founder / CEO / CTO  - En tant que freelance

Timis County, Romania

juin 2010 - janvier 2012 (1 an et 7 mois)

SuperEveniment.ro was a Romanian online event planning marketplace with an original approach. Unlike other marketplaces, customers didn't have to waste time searching for options. Instead, they described what they were looking for. Service providers (photographers, videographers, DJs, bands, florists, hair stylists, etc.) bid on the job and the client received up to 5 quotes, could compare reviews and then only picked the right person. My primary responsibilities as CEO : • Outline scoping: marketing research, drawing up the budget, business plan drafting • Setting-up the team, Establishing partnerships, Business development, • Administrative and Financial management ; As Chief Technical Officer I : • Evaluated and identified appropriate web application frameworks (I've selected Ruby On Rails ) • Established the initial architecture for the application. • Supervised recruitment & training of 2 junior developers

Devoteam Consulting (ex. Siticom) - DEVOTEAM

Consultant

Paris Area, France

novembre 2006 - juin 2010 (3 ans et 7 mois)

Devoteam Consulting is an independent consultancy specialized in new information and communication technologies, employing more than 700 high-level consultants in Europe and the Middle East. My areas of expertise: Telecommunication Networks Sourcing (mainly Wide-Area-Networks - WAN - and mobile phone fleet) Main contributions in Calls for tenders management : • analyze bidders' technical answers and financial proposals; • deliver SWOT analysis and short-list recommendation; • contribute to contracts and annexes negotiation; • lead Service Level Agreement (SLA) negotiations and Price Catalog modeling. Main responsibilities in Project Management (WAN Networks roll-out) : • Project follow-up & reporting to the clients; • Coordination of providers, clients and software integrators; • Quotation & Order Management; • Cost optimization and contractual issues management. Client Industries: • Automotive (WAN of 800 locations in France, Mobile fleet of 1000 users) • Building Materials industry (WAN of 6000 locations worldwide) • Transportation (WAN of 800 locations worldwide)

Alcatel CIT, Velizy, France

Internship (Final Major Project)

septembre 2004 - août 2005 (11 mois)

Department MRD/PCS (Mobile Radio Division / Professional Customer Services). I joined an international team of 5 developers committed to developing a tool used by highly specialized Mobile Radio Network Architects around the globe to size and design national 2G and 3G mobile networks with Alcatel pieces of equipment. The tool analyzed raw data from Alcatel mobile networks and produced exhaustive reports with architecture bottlenecks and network design flaws. In charge of enhancements, my main achievement was to increase - by a factor of 6 - the overall speed of the tool by reducing: * the complexity of algorithms used to calculate complex KPI * the number of database fetches by 97% Keywords: Model-View-Controller design pattern, C#, .NET, advanced data structures, algorithm optimizations

10 missions Malt

(10 avis)

Formations