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Freelance Technical Team Lead

Freelance Technical Team Lead

Toloka, , Spain, España
Hace 10 días
Descripción del trabajo

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Senior IT Recruiter at Toloka AI, ex-Yandex

Company Intro

At Toloka AI we create data that powers leading GenAI models and innovations. We work with frontier labs, big tech, renowned AI startups, enterprises and non-profit research organizations worldwide. We use a combination of Experts + Crowd + Tech Platform to teach AI models to reason and evaluate their efficacy and safety. We have experts in more than 50 different domains—from doctors and lawyers to physicists and engineers—and boast one of the most diverse global crowds, representing over 100 countries and speaking 40+ languages. We are a well-funded startup with an enviable portfolio of clients including Anthropic, Amazon, Microsoft, poolside, Recraft, and Shopify.

Recently, we secured strategic investment led by Bezos Expeditions with participation from Mikhail Parakhin, CTO of Shopify and board advisor to leading GenAI companies, who now serves as our Chairman of the Board. Our remote-first team is globally distributed around the world : USA, UK, the Netherlands, Israel, Czech Republic, Serbia, and more. We are headquartered in Amsterdam.

About the Role

We are looking for a Freelance Technical Team Lead with strong backend expertise and solid frontend experience. In this role, you will take ownership of technical quality, guide the team, and ensure smooth collaboration between backend and frontend.

As a team lead, you will decompose complex features into clear tasks, and foster a culture of high-quality engineering. You will be responsible for maintaining technical consistency, managing technical debt, and ensuring that the project remains aligned with product goals. This role also includes active involvement in database design, and setting up CI / CD, testing, and DevOps practices to keep delivery fast and reliable.

What you’ll be doing

  • Leading the technical direction of the project across backend and frontend.
  • Designing and reviewing architecture to ensure scalability and reliability.
  • Conducting code reviews and maintaining coding standards.
  • Decomposing large features into tasks and supporting the team in their execution.
  • Ensuring coherence between backend and frontend implementations.
  • Driving CI / CD pipelines, testing, and DevOps practices.

What you should have

  • Strong experience in system design, architecture, and code reviews.
  • Knowledge of database design and management (PostgreSQL, MongoDB, Redis).
  • Proficiency in API design and integration (REST, GraphQL).
  • Hands-on experience with CI / CD pipelines, testing frameworks, and DevOps practices.
  • Knowledge of containerization and orchestration tools (Docker, Kubernetes).
  • Ability to decompose complex features into smaller tasks and guide execution.
  • Hands-on experience with using AI code agents like Cursor, Claude Code, or RooCode
  • Excellent communication and leadership skills.

    • Nice to have

  • Experience with microservices and event-driven architectures.
  • Experience optimizing performance of high-load systems.
  • Familiarity with cloud platforms (AWS, GCP, Azure).

    • Who you are

  • A senior engineer with leadership qualities, who enjoys mentoring and helping others grow.
  • A systems thinker who sees the big picture and drives alignment between backend and frontend.
  • Pragmatic and adaptable - able to balance “ideal architecture” with “fast delivery.”
  • Passionate about exploring and applying AI to create impactful, future-proof product solutions.
  • A clear communicator, confident in sharing and defending ideas while staying open to feedback.

    • What we can offer

  • Freelance full-time contract (B2B)
  • Flexible payment based on the results of work;
  • Flexibility : we offer freelance employment. You will also design with your manager a workday that works best for you;
  • Friendly community.

    • Seniority level

  • Mid-Senior level

    • Employment type

  • Contract

    • Job function

  • Information Technology
  • Industries : IT Services and IT Consulting and IT System Training and Support

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    Technical Team Lead • , , Spain, España