CrawlJobs Logo

Principal AI Engineer

formularecruitment.co.uk Logo

Formula Recruitment

Location Icon

Location:
United Kingdom , London

Category Icon
Category:
IT - Software Development

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

110000.00 GBP / Year
Save Job
Save Icon
Apply Position

Job Description:

We’re partnered with a global leader in loyalty and customer engagement, looking for a Principal AI Engineer to join their London team. This role will include delivering customer centric solutions and scale production-grade AI solutions. You’ll be the technical authority for AI engineering, driving architecture, automation, whilst ensuring our AI platform is robust and transparent. Working closely with the Head of AI Labs, you’ll lead the delivery of advanced AI systems that deliver real business impact.

Job Responsibility:

  • Lead end‑to‑end delivery of scalable, resilient AI/ML pipelines aligned to business goals
  • Build and deploy advanced ML, DL, and LLM solutions, including RAG, agentic architectures, and evaluation frameworks
  • Mentor engineers in ML engineering, orchestration, and modern AI best practices
  • Communicate system behaviours, risks, and outcomes to both technical and non‑technical audiences
  • Partner with the Head of AI Labs to turn AI research and strategy into production‑ready solutions

Requirements:

  • Proven experience designing and productionising RAG pipelines and agentic AI architectures
  • Hands‑on delivery of agent‑based AI systems with orchestration tools (e.g., LangChain, CrewAI) in production
  • Strong Python engineering skills with solid testing, optimisation, CI/CD, and code quality
  • Experience implementing and scaling vector databases (Pinecone, Weaviate, Milvus) for retrieval and reasoning workloads
  • Deep expertise in cloud‑native AI engineering on AWS, with Azure knowledge and ability to design distributed, fault‑tolerant systems

Nice to have:

  • TypeScript a plus
  • SQL proficiency for data work
  • Bridges technical and business teams with ease
  • Confident working with stakeholders at all levels
  • Shows initiative, works independently, and brings fresh ideas
  • Strong communicator able to present, guide, and influence effectively
What we offer:
  • Bonus
  • Flexible working options at a Central London office
  • Private Health
  • Great pension
  • Work from anywhere for 2 months of the year

Additional Information:

Job Posted:
February 19, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
Icon
Formula Recruitment - All Job Offers
Job Link Share:
Copy Link Icon
Facebook Icon Twitter Icon LinkedIn Icon

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Principal AI Engineer

Principal AI Engineer

We are looking for a Principal AI Engineer to lead the design and deployment of ...
Location
Location
United States
Salary
Salary:
200000.00 - 300000.00 USD / Year
apollo.io Logo
Apollo.io
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years of software engineering experience
  • at least 3 years in applied LLM or agentic AI systems (2023–present)
  • proven success in deploying LLM-powered products used by real users at scale
  • deep backend & systems engineering expertise with Python, distributed systems, and scalable APIs
  • familiarity with LangChain, LlamaIndex, or similar orchestration frameworks
  • experience with RAG pipelines, vector DBs, embedding models, and semantic search tuning
  • experience managing performance across cloud providers (e.g., AWS Bedrock, OpenAI, Anthropic, etc.)
  • demonstrated experience building multi-step agents, planning workflows, chaining reasoning steps, and integrating APIs with agent memory/state
  • comfort with advanced prompting strategies, few-shot and chain-of-thought reasoning, and embedding retrieval setups
  • strong understanding of AI system evaluation, human ratings, A/B experimentation, and feedback loop pipelines
Job Responsibility
Job Responsibility
  • Architect and lead the development of multi-agent systems capable of long-horizon planning, reasoning, and API orchestration
  • build reusable agentic components that integrate deeply into sales and marketing processes
  • own and evolve our in-house platform for scalable, low-latency, and cost-efficient LLM and agent deployments
  • lead design of interfaces powered by natural language understanding and retrieval-augmented generation (RAG)
  • build embedding-based, intent-aware search and personalization systems tuned to business user needs
  • drive innovation in personalized outreach generation using context-aware generation pipelines
  • tune inference pipelines, caching layers, and model selection logic for high-scale, cost-aware performance
  • define and drive robust offline and online testing methodologies (A/B, sandboxing, human evals) across agents and LLM flows
  • architect human-in-the-loop systems and telemetry to improve accuracy, UX, and explainability over time
What we offer
What we offer
  • equity
  • company bonus or sales commissions/bonuses
  • 401(k) plan
  • at least 10 paid holidays per year
  • flex PTO
  • parental leave
  • employee assistance program
  • wellbeing benefits
  • global travel coverage
  • life/AD&D/STD/LTD insurance
  • Fulltime
Read More
Arrow Right

Principal Engineering Manager - Applied AI

We are looking for a Principal Engineering Manager to join our growing Applied A...
Location
Location
United States , Seattle
Salary
Salary:
240870.00 - 297652.00 USD / Year
highspot.com Logo
Highspot
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 2+ years of experience in Generative AI and Agentic AI systems, including LLMs, context engineering, and modern vector-based retrieval systems
  • 4+ years working as an engineering manager
  • 8+ years working as a professional software developer
  • A great understanding of Generative AI systems, best practices and experience in shipping Agentic AI into distributed, data-intensive production systems
  • Experience developing and operating Cloud services at enterprise scale
  • Strong programming skills in Java, Python, C#, Typescript or equivalent programming language
  • Substantial depth and breadth of management experience to lead and grow an Applied AI team
  • Great collaboration with teams with different backgrounds/expertise/functions
  • Expertise in full product lifecycle
  • technical designs, project planning, iterative implementation, and successful product launches
Job Responsibility
Job Responsibility
  • Lead a team of Applied AI engineers that works at the bleeding edge of Generative AI to solve high-impact business challenges
  • Apply Generative AI to solve hard unsolved challenges in the application of Agentic AI to real-world business challenges
  • Grow, coach, build and scale the Applied AI team
  • Drive operational excellence to achieve enterprise-grade scale, reliability, security, cost-efficiency and performance
  • Drive technical direction for building a safe, scalable and reliable Agentic AI platform for all of Highspot
  • Communicate complex concepts and the results of analyses in a clear and effective manner to technical and non-technical audiences
  • Collaborate with other team members and cross-functionally to share knowledge and discuss initiatives
What we offer
What we offer
  • Comprehensive medical, dental, vision, disability, and life benefits
  • Health Savings Account (HSA) with employer contribution
  • 401(k) Matching with immediate vesting on employer match
  • Flexible PTO
  • 8 paid holidays and 5 paid days for Annual Holiday Week
  • Quarterly Recharge Fridays (paid days off for mental health recharge)
  • 18 weeks paid parental leave
  • Access to Coaches and Therapists through Modern Health
  • 2 volunteer days per year
  • Commuting benefits
  • Fulltime
Read More
Arrow Right

Principal Engineer, AI Strategy and Innovation

Shape the architecture and execution of CLEAR’s AI platform strategy, from infra...
Location
Location
United States , New York
Salary
Salary:
250000.00 - 290000.00 USD / Year
clearme.com Logo
Clear
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 12+ years in software engineering and/or technical experience with deep expertise in AI systems, ML platforms, and data infrastructure
  • At least 5 years of experience with various AI technologies including GenAI, ML, Deep Learning, RPA or others
  • Proven ability to scale AI capabilities into high-throughput, low-latency environments
  • Strong technical background in cloud-native architectures (AWS or similar) and modern AI/ML stacks (TensorFlow/PyTorch, MLflow, RAG, MCP, etc.)
  • Experience leading AI strategy and platform adoption in enterprise-scale environments
  • Skilled at translating regulatory and compliance requirements into responsible AI practices
  • Track record of partnering closely with Product, Engineering, Analytics, and Security teams as well as business executives
  • Excellent communicator who can set a vision for AI, explain technical trade-offs, and influence executives, peers, and partners
  • Passionate about embedding AI into core products to deliver measurable impact for members and enterprise partners
Job Responsibility
Job Responsibility
  • Define and scale CLEAR’s AI strategy: spanning data pipelines, ML lifecycle management, and intelligent applications
  • Lead engineering execution for AI models (development, deployment, monitoring, retraining) with a focus on reliability, observability, and ethical AI practices
  • Modernize analytics and intelligence systems to deliver predictive insights and partner-facing transparency in real time
  • Operationalize trust in AI by embedding privacy, compliance, and security into all platforms and workflows
  • Influence cross-functional stakeholders across the business, fostering a culture of technical rigor, collaboration, and innovation, advising C Suite executives, leaders, and individual contributors
  • Lead the AI Governance group and drive best practices across business functions
  • Track and optimize KPIs on AI adoption, model performance, scalability, and business impact
What we offer
What we offer
  • Comprehensive healthcare plans
  • Family-building benefits (fertility and adoption/surrogacy support)
  • Flexible time off
  • Annual wellness stipend
  • Free OneMedical memberships for you and your dependents
  • A CLEAR Plus membership
  • A 401(k) retirement plan with employer match
  • Catered lunches every day
  • Fully stocked kitchens
  • Stipends and reimbursement programs for well-being and learning & development
  • Fulltime
Read More
Arrow Right

Principal Consulting AI / Data Engineer

As a Principal Consulting AI / Data Engineer, you will design, build, and optimi...
Location
Location
Australia , Sydney
Salary
Salary:
Not provided
dyflex.com.au Logo
DyFlex Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proven expertise in delivering enterprise-grade data engineering and AI solutions in production environments
  • Strong proficiency in Python and SQL, plus experience with Spark, Airflow, dbt, Kafka, or Flink
  • Experience with cloud platforms (AWS, Azure, or GCP) and Databricks
  • Ability to confidently communicate and present at C-suite level, simplifying technical concepts into business impact
  • Track record of engaging senior executives and influencing strategic decisions
  • Strong consulting and stakeholder management skills with client-facing experience
  • Background in MLOps, ML pipelines, or AI solution delivery highly regarded
  • Degree in Computer Science, Engineering, Data Science, Mathematics, or a related field
Job Responsibility
Job Responsibility
  • Design, build, and maintain scalable data and AI solutions using Databricks, cloud platforms, and modern frameworks
  • Lead solution architecture discussions with clients, ensuring alignment of technical delivery with business strategy
  • Present to and influence executive-level stakeholders, including boards, C-suite, and senior directors
  • Translate highly technical solutions into clear business value propositions for non-technical audiences
  • Mentor and guide teams of engineers and consultants to deliver high-quality solutions
  • Champion best practices across data engineering, MLOps, and cloud delivery
  • Build DyFlex’s reputation as a trusted partner in Data & AI through thought leadership and client advocacy
What we offer
What we offer
  • Work with SAP’s latest technologies on cloud as S/4HANA, BTP and Joule, plus Databricks, ML/AI tools and cloud platforms
  • A flexible and supportive work environment including work from home
  • Competitive remuneration and benefits including novated lease, birthday leave, salary packaging, wellbeing programme, additional purchased leave, and company-provided laptop
  • Comprehensive training budget and paid certifications (Databricks, SAP, cloud platforms)
  • Structured career advancement pathways with opportunities to lead large-scale client programs
  • Exposure to diverse industries and client environments, including executive-level engagement
  • Fulltime
Read More
Arrow Right

AI Machine Learning Principal Engineer

Our Regulatory Engineering team thrives on the challenge of operating in a compl...
Location
Location
Singapore , Singapore
Salary
Salary:
Not provided
dell.com Logo
Dell
Expiration Date
March 31, 2026
Flip Icon
Requirements
Requirements
  • Requires 8+ years of related experience in a professional role with a Bachelor’s degree
  • or 6+ years with a Master’s degree
  • or 3+ years with a PhD
  • or equivalent experience
  • Knowledge on product compliance, Safety, EMC, Wireless, Telecom and Environmental (e.g. Energy, Material, ECO Labels, Accessibility, Repairability, Packaging and etc.) legislation programs will be plus
  • Track record of being an enthusiastic and effective team player with experience leading and influencing internal and external stakeholders to ensure successful outcomes
Job Responsibility
Job Responsibility
  • Apply knowledge of AI machine learning, statistics, optimization, software engineering and data engineering to produce code for testing, operationalizing and governing software-integrated machine learning models
  • Works with stakeholders including business owners, software engineers, data scientists and data engineers to align and execute end-to-end solutions which start with data collection and management, extend through machine learning methodologies and efficiencies in software engineering, and end with governance of machine learning model performance
  • Optimizes code for existing data streams, machine learning models and APIs using best practices in software engineering and experimental design
  • Defines best practices for AI ML engineering, code optimization, model and system validation and model governance and educates prospects and customers on analytics and machine learning offerings
  • Leads the design and testing of analytical technologies, or the development/testing of new algorithms/functions to enhance capabilities within key market segments of interest
  • Leads definition of machine learning and data analytics vision, multiple use-case evaluation and selection criteria, as well as project-level scope definition for customers
  • Proactively identifies gaps and collaborates with engineering teams to find solutions, while solidifying commitments to execute these
  • Drives partnerships & relationships with third parties to develop vertical/horizontal analytical solutions and product integrations
What we offer
What we offer
  • Comprehensive Healthcare Programs
  • Award Winning Financial Wellness Tools and Resources
  • Generous Leave of Absence for New Parents and Caregivers
  • Industry Leading Wellness Platform
  • Employee Assistance Program
Read More
Arrow Right

Principal AI Engineer

At JFrog, we’re reinventing DevOps to help the world’s greatest companies innova...
Location
Location
Israel , Netanya/Tel Aviv
Salary
Salary:
Not provided
jfrog.com Logo
JFrog
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • A bachelor's degree or higher in Computer Science, Data Science, or a related field
  • Proven experience in software development
  • Proficiency in LLM-related tools, processes, and frameworks, including OpenAI Models and APIs, Hugging Face Transformers, LangChain, vector databases, and prompt management tools like PromptPerfect/PromptBase and Guardrails
  • Experience with cloud platforms, such as AWS, Google Cloud, or Azure
  • Proficiency in Python programming
  • Experience deploying LLM-based applications in a production environment
  • Excellent problem-solving and analytical skills
  • Experience with CI / CD tools
  • Strong communication skills and the ability to collaborate effectively in a team
Job Responsibility
Job Responsibility
  • Recommend and test agentic productivity tools
  • Collaborate with key organizational stakeholders to understand AI requirements and design end-to-end AI productivity solutions
  • Explore and experiment with novel ML and AI techniques and architectures to drive DevX and productivity innovation
  • Evaluate and recommend ML and AI tools and frameworks to enhance productivity and effectiveness
  • Provide technical guidance and mentorship to development teams on AI and ML technologies and practices
  • Define meaningful KPIs and closely monitor cost
Read More
Arrow Right

Sr. Principal Software Engineer - Applied AI

We are looking for a Principal Software Engineer to join our growing Applied AI ...
Location
Location
United States , Seattle
Salary
Salary:
277391.00 - 342391.00 USD / Year
highspot.com Logo
Highspot
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 2+ years of experience in Generative AI and Agentic AI systems, including LLMs, context engineering, and modern vector-based retrieval systems
  • 8+ years working as a professional software developer
  • A great understanding of Generative AI systems, best practices and experience in shipping Agentic AI into distributed, data-intensive production systems
  • Experience developing and operating Cloud services at enterprise scale
  • Strong programming skills in Java, Python, C#, Typescript or equivalent programming languages
  • Great collaboration with teams with different backgrounds/expertise/functions
  • Expertise in full product lifecycle
  • technical designs, fast shipping, iterative implementation, and successful product launches
  • Experience and passion for mentoring and encouraging collaborative teams
  • Experience in cultivating a strong engineering culture in an agile environment
Job Responsibility
Job Responsibility
  • Apply Generative AI to solve hard unsolved challenges in the application of Agentic AI to real-world business challenges
  • Work with a team of Applied AI engineers that works at the bleeding edge of Generative AI to solve high-impact business challenges
  • Grow, coach, build and scale talent on the Applied AI team
  • Drive operational excellence to achieve enterprise-grade scale, reliability, security, cost-efficiency and performance
  • Drive technical direction for building a safe, scalable and reliable Agentic AI platform for all of Highspot
  • Communicate complex concepts and the results of analyses in a clear and effective manner to technical and non-technical audiences
  • Collaborate with other team members and cross-functionally to share knowledge and discuss initiatives
What we offer
What we offer
  • Comprehensive medical, dental, vision, disability, and life benefits
  • Health Savings Account (HSA) with employer contribution
  • 401(k) Matching with immediate vesting on employer match
  • Flexible PTO
  • 8 paid holidays and 5 paid days for Annual Holiday Week
  • Quarterly Recharge Fridays (paid days off for mental health recharge)
  • 18 weeks paid parental leave
  • Access to Coaches and Therapists through Modern Health
  • 2 volunteer days per year
  • Commuting benefits
  • Fulltime
Read More
Arrow Right

Principal Forward Deployed Engineer, AI

As a Principal Forward Deployed Engineer (FDE) at Atlassian, you’ll be at the fo...
Location
Location
Salary
Salary:
Not provided
https://www.atlassian.com Logo
Atlassian
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s or Master’s degree in Computer Science, Engineering, Data Science, or a related field
  • 10+ years of experience in backend software development
  • 5+ years of experience delivering impactful AI/ML solutions in production environments, including experience as a founding or forward-deployed engineer in 0-to-1 product development
  • Deep expertise in applied AI/ML, including generative AI, LLMs, and agent-based frameworks
  • Proficiency in Python, JavaScript, or similar languages, and experience with APIs, microservices, and enterprise integration
  • Demonstrated ability to solve complex, ambiguous problems and thrive in rapidly changing environments
  • Strong communication and collaboration skills, with experience influencing cross-functional teams without formal authority
  • Experience with AI risk assessment, data privacy, and compliance (e.g., GDPR)
  • Strategic and innovative thinking, with a track record of aligning technical solutions to business goals
Job Responsibility
Job Responsibility
  • Lead the design, development, and deployment of AI/ML-powered solutions tailored to customer needs, leveraging frameworks such as TensorFlow, PyTorch, and agent-based platforms (e.g., LangChain, LlamaIndex)
  • Architect and implement robust application integrations using Python, JavaScript, or similar languages, with a focus on APIs, microservices, and enterprise-scale systems
  • Drive data-driven solution development by analyzing complex datasets to extract insights and inform product direction
  • Champion the adoption of AI-augmented workflow automation within customer environments, maximizing business value and operational efficiency
  • Oversee the end-to-end deployment of AI solutions into production, ensuring continuous evaluation, monitoring, and improvement
  • Navigate risk and compliance requirements, including AI risk assessment, data privacy (GDPR), and regulatory frameworks
  • Mentor and guide junior engineers, fostering a culture of innovation, collaboration, and continuous learning
  • Communicate complex technical concepts clearly to both technical and non-technical stakeholders, creating concise artifacts for peers, partners, and leadership
  • Align technical solutions with business objectives, setting a clear vision for technological progress and measurable results
What we offer
What we offer
  • Health and wellbeing resources
  • Paid volunteer days
Read More
Arrow Right
Jobs by Category
Art and Entertainment Jobs Banking Jobs Call Center Jobs Construction Jobs Consulting Jobs Customer Service Jobs Education Jobs Energy Jobs Finance Jobs Gastronomy Jobs Health and Beauty Jobs Hospitality and Tourism Jobs Human Resources Jobs Insurance Jobs IT - Administration Jobs IT - Software Development Jobs Legal Jobs Logistics Jobs Manufacturing Jobs Marketing, Digital Marketing, SEO, SEM Jobs Media Jobs Nursing Jobs Office Administration Jobs Pharmacy Jobs Physical Work Jobs Public Relations Jobs Public Sector Jobs Purchasing Jobs Quality Control Jobs Real Estate Jobs Research and Development Jobs Sales Jobs
Job Positions Jobs by Country
United States Jobs United Kingdom Jobs India Jobs Canada Jobs Australia Jobs Germany Jobs Ireland Jobs Poland Jobs
Company
Blog About Us Contact
Follow Us
Facebook
X (Twitter)
LinkedIn
Instagram
CrawlJobs Group
ITFlashcards AllDevBlogs
© 2026 CrawlJobs Ltd. All Rights Reserved
Terms & Conditions Privacy Policy