Job Role: Lead Machine Learning Engineer

Reference: BH-331p

Working Hours: 5 days per week

Job Type: Permanent

Salary: €88,000 to €118,000. per annum

Location: South Spain, or Gibraltar, UK. If you don’t live in South Spain or Gibraltar but are happy to relocate, that’s fine, the company will support you with this.

Remote: 4 days remote - 1 day on-site


About the Company

Our client is an innovative AI startup driving industry transformation through cutting-edge technologies. By leveraging Machine Learning, Generative AI, and real-time data analysis, they develop impactful solutions that redefine possibilities. With a fast-paced, ambitious, and innovation-driven culture, this company empowers its team to make significant contributions. Here, your ideas won’t just be valued—they’ll be implemented.


Role Overview

Our client is seeking a skilled Principal Machine Learning Engineer to join their team in a full-time role, ideally based in the EU/UK (preference for candidates near Gibraltar). Reporting to the CTO, you will lead critical projects to design, deploy, and scale machine learning systems. This role provides a unique opportunity to work at the intersection of research and production, transforming innovative ideas into real-world solutions that handle billions of real-time data points.


Responsibilities

  • Own the end-to-end ML infrastructure, from architectural decisions to production deployment, setting technical standards for the team.
  • Bridge research and production, delivering scalable, production-ready systems.
  • Design and implement robust ML pipelines that manage rapidly growing data volumes with exceptional performance.
  • Build and optimise core ML model components to make meaningful, real-world impacts, especially in gaming experiences.
  • Drive improvements across quality, reusability, and performance in production-grade systems that can scale reliably.
  • Establish best practices for code quality, testing, and documentation to influence and shape the engineering culture.
  • Create and maintain scalable data pipelines and APIs to handle growing complexity while maintaining reliability.
  • Collaborate with a multidisciplinary team, including data scientists, engineers, product managers, and analysts.
  • Take the lead in architectural decision-making, balancing innovation with reliability.
  • Work independently on technical initiatives, driving projects from concept to completion.
  • Influence the technical direction and strategy of the company as an early team member.
  • Occasional travel may be required to support the distributed team.


Essential Experience

  • Proven track record of building and deploying ML systems in production, especially in real-time, high-throughput environments.
  • Strong foundation in applied ML frameworks and data science tools.
  • Deep expertise in Python, with a focus on ML engineering best practices and production-grade code architecture.
  • Experience with modern cloud platforms (AWS/GCP/Azure), MLOps practices, and tools such as containerisation and CI/CD workflows for ML systems.
  • Practical exposure to cloud data platforms with a history of delivering data-centric solutions for mission-critical use cases.
  • Expertise in distributed microservice architecture and REST API development.
  • Hands-on experience with streaming architectures and real-time data processing systems such as Kafka.
  • A history of making architectural decisions that balance innovation and reliability.
  • Evidence of curiosity and motivation to learn, with the ability to debate and evaluate modern ML approaches.


Desirable Experience

  • Expertise with LLMs and modern NLP techniques, including embedding models and vector stores.
  • Experience scaling ML systems from prototype to production.
  • Background in a fast-paced startup environment.
  • Understanding of ML monitoring and observability best practices.


Company Tech Stack

  • Languages: Python
  • Cloud Platforms: GCP (Cloud Run, GKE)
  • Frameworks and Tools: Kubernetes, OpenAI, GenAI, Kafka, Next.js, Django
  • Data Platforms: Postgres, BigQuery, Block Storage, Firebase


Benefits

  • Competitive salary ranging from £75,000 to £100,000.
  • Negotiable participation in a share scheme.
  • Opportunity to work on transformative projects with cutting-edge technology in a high-impact, innovation-focused environment.


Email [email protected] for enquiries