Lead Engineer - MLOps

Do you want to join a team working at the cutting edge of engineering sustainability? Here at Monolith, we're on a mission to empower engineers to use AI to solve the most intractable physics problems like developing next-gen EV batteries that charge faster and last longer. With strong product-market fit, we've doubled in size over the last four years, are growing globally, and have ambitious plans to expand. It's an exciting time. To continue our growth, we are recruiting a Lead Engineer based out of our London Office.

What you'll be doing:

As a Lead Engineer, you will play a crucial role in leading our core tech team. This involves driving the re-platforming of our core data & AI platform powering our SaaS product, mentoring team members, and optimizing software engineering practices for long-term success.

Our tech stack includes AWS and Azure, Athena, Synapse, Spark, Kubernetes, Temporal, Python, Redis, Postgres, React, and Docker.

Key Responsibilities:

• Split workload: approximately 60% on technical design and implementation, 40% on managerial responsibilities.
• Design of our technical stack in coordination with broader architecture.
• Shape and promote a collaborative software engineering culture, applying best practices, and fostering continuous learning.
• Manage the software engineering team, including recruitment, retention, and active participation in code reviews.

Required Skills and Attributes:

• 7+ years of coding experience, with at least 3 years focused on Python.
• Knowledge of MLOps principles and practices in production.
• Experience with cloud infrastructure (AWS, Azure, GCP).
• Experience with data-intensive products handling large volume or high load.
• Start-up experience is highly valued for cultural fit.

Nice to haves:

• 2+ years of team management experience.
• Experience working on AI-based products.
• Distributed computing experience (Spark, MPI).
• Full stack development experience.
• Workflow orchestration in distributed systems.

Why Monolith?

Our culture is passionate, engaging, and collaborative. We value authenticity, continuous learning, innovation, and risk-taking. We promote freedom, flexibility, and creativity. Our values—bringing yourself to work, curiosity, thinking like an engineer, working smart, and teamwork—are embedded in our daily operations.

Benefits & Perks for UK employees:

• 30 days paid annual leave + bank holidays
• Pension with NEST
• Vitality health insurance
• Wellness allowance through Heka
• A day off to volunteer per year
• Regular socials

Additional notes:

• We are an equal opportunity employer valuing diversity and inclusion.
• Applications are accepted on an ongoing basis; early applicants will be prioritized.
• Only applicants authorized to work in the UK will be considered.
• If you feel qualified even if you don't meet every requirement, we encourage your application.

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