Ernst and Young

Tech Lead Digital Engineering F/H

Ernst and Young
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21 hours ago
Paris, FranceStaff+

Responsibilities

  • Own the technical vision and direction of multidisciplinary client projects in partnership with the project manager.
  • Make architectural, technology, build-versus-buy, and delivery decisions while managing risks, budget, timelines, and value.
  • Design and guide robust, scalable web, back-end, cloud, data, and AI-enabled solutions from conception through production.
  • Structure and govern AI-assisted engineering practices, including Spec-Driven Development and coding agents.
  • Set and enforce engineering standards covering conventions, automated testing, CI/CD, code reviews, security, privacy, accessibility, eco-design, observability, and AI Act compliance where applicable.
  • Challenge user and business needs with Product Owners and designers, and propose pragmatic MVPs, prototypes, and iterative solutions.
  • Advise clients on target architecture, modernization trajectories, technical debt, project framing, estimates, and commercial proposals.
  • Coach and mentor developers, support their skills growth, and share technical knowledge and innovations.
  • Monitor technology trends, experiment with new approaches, and promote EY’s technical expertise internally and externally.

Requirements

  • At least 5 years of experience delivering complex web projects, with demonstrated expertise across both back-end and front-end development.
  • Excellent command of TypeScript and at least one structured back-end framework such as Nest.js.
  • Experience carrying products from design through production and designing robust, scalable architectures.
  • Prior experience as a Tech Lead, technical reference, or development team leader.
  • Strong engineering fundamentals, including domain-driven design, clean code, data modeling, automated testing, performance, security, and compliance.
  • Practical experience using AI assistants and coding agents, with an informed view of their strengths, limitations, governance, and industrialization.
  • Ability to make major technical decisions, lead high-stakes projects, communicate complex technical topics to nontechnical audiences, and balance value, cost, and quality.
  • Strong product mindset, client consulting skills, curiosity, and willingness to coach and share knowledge.

Benefits

  • Flexible working environment through EY’s Smartworking@EY program.
  • Opportunities to work with internationally connected teams and participate in international mobility programs.
  • Annual discretionary bonus, profit-sharing bonus, RTT days, advantageous health insurance, meal vouchers, and reimbursement of 75% of public transportation costs or financial assistance for bicycle purchase.
  • Additional benefits include referral bonuses, preferential Wellpass sports membership, free entry to the Louvre and Eugène-Delacroix museums, and privileged access to the Paris Opera.
  • Recruitment generally includes four interviews with HR, operational stakeholders, and a Partner, potentially including a technical test; interviews may be remote or in person.
  • Inclusive workplace supporting applications from people with disabilities.
Ernst and Young

About Ernst and Young

10,000+ employees

Ernst & Young (EY) provides audit/assurance, tax, consulting, strategy and transactions services to enterprises, financial institutions, and public‑sector clients. Structured as a global network of partner‑owned member firms, it sells professional services on a fee basis, including a dedicated Financial Services Organization for banking, insurance, and capital markets. Headquartered in London, EY was formed in 1989 from the merger of Ernst & Whinney and Arthur Young, and operates in 150+ countries.

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