Full-Stack Software Engineer - AI Modernisation
About the job
- Graduated from a top engineering school.
- Work effectively in teams with varied profiles and professions, using pedagogy and a constructive approach in activities such as code reviews and pair programming.
- Focus on creating value by understanding the client's business rather than pursuing technology for its own sake.
- Promote artificial intelligence, particularly generative artificial intelligence, and continuously improve through technical monitoring.
- Maintain high standards for the quality of delivered work and question or stop the production chain when necessary.
- Work in a structured manner and apply organizational and continuous-improvement principles inspired by 5S.
- Seek an environment that encourages continuous learning, teamwork, and initiative.
- Complete a take-home refactoring exercise and participate in a live debugging exercise during the recruitment process.
- Design and develop useful, performant, and sustainable digital products for clients and their users.
- Understand client problems and address them with products that are performant, maintainable, and value-oriented across the full production lifecycle from design through deployment.
- Produce quality code within deadlines while integrating tests, refactoring, and team technical standards regardless of the technology used.
- Conduct technical investigations, debug effectively, and correct defects sustainably in different environments.
- Analyze code problems in depth to develop problem-solving skills.
- Work with a large language model to accelerate development.
- Collaborate closely with clients through regular exchanges to share progress, deepen understanding of their problems, and evolve products according to user needs.
- Previous experience is not required; the posting emphasizes potential over already-acquired expertise.
- Opportunities are available to develop cross-functional skills in coaching, recruitment, sales, management, and technical marketing.
- Participation in expert groups such as cybersecurity, serverless, performance, and green information technology is available.
About the company
Theodo is a web development team that builds and refactors web applications using Symfony, Angular/React, and Python. They focus on delivering business-ready web products quickly by agilely rewriting existing PHP code and turning it into scalable Symfony-based solutions. Their approach combines expert technical skills with an agile Scrum process, allowing rapid delivery from startups to multinationals. Unlike firms that only code, Theodo emphasizes transforming legacy systems in short sprints and coordinating multiple expert teams to meet timelines and budget. Theodo’s goal is to help clients solve business problems by delivering reliable, high-quality web applications in record time.
Company Size
501-1,000
Company Stage
N/A
Total Funding
N/A
Headquarters
Paris, France
Founded
2007
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Simplify's Take
What believers are saying
- Revelio Labs shows headcount rose to 429 by March 2026, up 29% since 2023.
- Active job postings reached 145 in 2026, signaling strong demand and revenue momentum.
- Theodo still hires across Paris, London, Lyon, and Cape Town, supporting geographic expansion.
What critics are saying
- Public evidence shows no major proprietary software moat; services remain people-heavy and replaceable.
- Competitive hiring is broadening across Paris, London, Casablanca, Cape Town, increasing execution complexity.
- If AI modernization demand slows in 2027, Theodo's consulting revenue faces immediate pressure.
What makes Theodo unique
- Theodo's 2026 jobs list spans FinTech, HealthTech, GovTech, Cloud, and AI modernization.
- Theodo blends product management and engineering, unlike pure body shops or freelancers.
- Theodo still markets agile delivery and scalable learning through founder Fabrice Bernhard's 2026 talks.
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Benefits
- Health Insurance
- Paid Vacation
- Gym Membership
- Company Equity
- Profit Sharing
- Meal Benefits
- Training Programs