Job ID:
53874
Published date:
10/02/2026
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Job ID:
53907
Published date:
10/02/2026
Summary
We're looking for an AI Engineer to take ownership of our agent orchestration layer and help build the core of our AI-native platform for CFOs.
We need someone with 5+ years of software engineering experience who has a proven track record of building and shipping production-grade, AI-powered product features. You should be comfortable in a fast-paced, high-ownership startup environment and have deep expertise in building agentic systems. Bonus points if you have experience at an early-stage B2B SaaS startup.
What you'll do:
- Take full ownership of the agent orchestration layer, evolving it into a multi-agent system.
- Design, build, and maintain scalable, high-performance features end-to-end, from frontend UX to backend systems and AI capabilities.
- Work closely with our product and design teams to create intuitive user experiences for complex financial workflows.
- Build and evolve AI-native capabilities, including relational data store and retrieval systems (GraphRAG), agent orchestration, and remote compute environments.
- Help uplift the current engineering team by sharing your expertise in AI systems and agentic architecture.
- Participate actively in code reviews, technical discussions, and architectural decisions to shape the future of the systemzero platform.
Tech stack
TypeScript, LLM tooling (LangGraph, Mastra, Agents SDK), NestJS, PostgreSQL, GCP, Docker, Pulumi, Graph Databases
Why candidates should join
Work with a Serial CFO Founder: You'll work directly with Ryan Corson who's been CFO at multiple private equity companies for 10+ years. He knows exactly what CFOs need and has the network to prove it.
Backed by Top-Tier Investors: We've raised $3.5M pre-seed from HG Capital and Apex Partners plus angel investors from Anthropic including heads of product and engineering at Claude. We are in the process of raising our seed, so you're joining a well-funded rocket ship.
Equity Upside: As an early-joiner you'll get meaningful equity in a company solving a massive problem for a huge market. We're gearing up for our institutional seed round.
About us
We're building an AI-native operating system for CFOs — autonomous agents that transform finance from backward-looking reporting into forward-looking strategic intelligence.
Our customers are PE-backed CFOs who have all the data but can't see opportunities fast enough to act. We're giving them superhuman speed and strategic clarity through multi-agent systems that don't just analyze — they reason, predict, and take action.
This is the hardest version of agentic AI: GAAP accounting, multi-subsidiary consolidations, board-level insights where hallucinations aren't tolerated and ChatGPT wrappers don't work. Our investors include Scott White (Head of Product for Claude at Anthropic), who sees what we're building as the real application of frontier AI in enterprise.
Backed by HG Capital, Apax Partners, Silver Lake, and Anthropic angels who give us distribution into hundreds of portfolio companies. Founded by Kelly (Uber, Airtable) and Ryan (5x CFO).
About the team
A high-trust, senior team with strong technical taste and a collaborative, low-ego culture. Humble but world-class talent that values learning and growth.
Job ID:
53738
Published date:
03/02/2026
Summary
Senior Software Developer – B2B SaaS / Retail Market Intelligence
About Brand Nudge
Brand Nudge is a rapidly scaling B2B SaaS business delivering market-leading retail intelligence data to the FMCG and CPG sectors. Our technology helps global brands such as Red Bull, Nestlé, Guinness, McVitie’s and innocent monitor, understand, and optimise their performance in a competitive retail environment.
Our engineering team plays a crucial role in delivering insights at speed and scale, maintaining a robust, highly-available platform that powers decisions for some of the world’s best-known consumer brands.
The Opportunity
We are seeking a Senior Software Developer to lead key architectural decisions across our Node.js/Koa backend and React/Redux front end. You’ll shape how our platform evolves, ensuring performance, resilience, and reliability while mentoring junior engineers and collaborating across Product, Data, and Commercial teams.
This role offers the chance to work with high-volume data, complex queries, real-time dashboards, and sophisticated visualisations—while driving best practices across the entire engineering lifecycle.
Key Responsibilities
Backend Leadership
- Taking a senior role in architectural recommendations for our Node.js/Koa services, ensuring performant and maintainable API design as data aggregation grows in complexity.
- Mentor developers on writing robust PostgreSQL queries (including CTE-driven analytics), Sequelize practices, and avoiding syntax/ORM pitfalls.
- Enhance instrumentation, caching, and shared utilities to improve observability and platform stability under load.
- Collaborate closely with stakeholders to guarantee backend services reliably power dashboards, scorecards, and analytics modules.
Frontend Leadership
- Taking a senior role in architectural recommendations in a complex Redux Toolkit + Saga ecosystem, ensuring predictable async flows and scalable state management.
- Guide implementation of high-performance, data-intensive components using d3, Highcharts, virtualization (react-window), memoization, and React performance rules.
- Champion accessibility, performance, resilience, and reusability across the UI layer.
- Strengthen developer experience by refining linting, formatting, Cypress e2e suites and MSW mocks.
Platform & Tooling
- Oversee build/test pipelines, npm scripts, CI lint rules, and release-readiness processes.
- Maintain robust AWS integrations (Amplify, CLI, CDK) and analytics tooling (Mixpanel).
About You
You are an experienced engineer who thrives on ownership, clarity, and technical excellence. You can balance short-term delivery with long-term architectural thinking and have a track record of mentoring others and improving engineering standards.
Requirements
- Extensive experience with Node.js, modern JavaScript/TypeScript, and building/optimising API services.
- Strong knowledge of PostgreSQL, CTEs, performance tuning, and ORM best practices (ideally Sequelize).
- Deep experience in React, Redux Toolkit, and Saga/Thunk-based async flows.
- Familiarity with data-visualisation tooling (Highcharts, d3) and performance optimisation.
- Experience owning deployments, CI/CD pipelines, and quality tooling.
- Excellent communication skills and ability to guide technical discussions.
Why Join Brand Nudge?
- Ownership of mission-critical systems used by leading global brands.
- Hybrid working model (Reading HQ + remote flexibility).
- High autonomy and influence over technical direction.
- Opportunity to mentor and lead within a fast-growing engineering team.
- Competitive salary.
Ready to grow your engineering career?
Apply now and help build the future of retail intelligence at Brand Nudge.
Job ID:
53540
Published date:
21/01/2026
Summary
AI Engineer
• Location: Remote within the UK (London or nearby is a plus)) • Type: Full-time • Salary: £60,000-£70,000 depending on experience
About the role
We’re looking for an AI engineer to build intelligent auto-assessment systems that automate the evaluation of knowledge and skills. Your main focus will be leveraging customer data (marking rubrics and criteria, example marked answers with scores, SME feedback on edge cases, assessment specifications, and historical marking patterns) to deploy auto-assessment solutions that are fast, accurate, consistent, and pedagogically sound. You’ll build APIs, evaluation frameworks, and LLM workflows that help awarding bodies and training providers scale assessment while generating actionable insights for learners and educators.
You’ll own the entire model lifecycle: from data collection and preparation, through experimentation and evaluation, to deployment, observability, and continuous improvement. We’re a small, pragmatic team where processes are informal and everyone pitches in to improve how we work. This role requires strong independence: you’ll own technical decisions, work autonomously without close supervision, and help steer our AI architecture and approach.
About us
sAInaptic is a UK-based AI company reinventing workforce certification. We work with awarding bodies and training providers to automate evaluation of knowledge and skills, helping clients save money and time while improving feedback and consistency of marking. Our vision is to get more skilled professionals into the future workforce.
Key responsibilities
• Leverage customer data (marking rubrics, example marked answers, SME feedback, assessment specifications) to build and deploy auto-assessment solutions that are fast, accurate, consistent, and pedagogically sound
• Design evaluation pipelines and metrics aligned with marking criteria; maintain golden datasets and regression tests; use statistical testing (e.g., t-tests) to rigorously compare model versions and validate improvements
• Experiment with, tune, and benchmark LLMs using tools like DSPy and Langfuse; optimise latency and cost
• Work on multimodal workflows that process images and video alongside text, analysing content and meaning for accurate scoring
• Build systems that generate clear, actionable feedback aligned to assessment criteria, with confidence signals and rationales
• Instrument LLM workflows with tracing and online evaluation; design guardrails and fallbacks (confidence thresholds, human review)
• Help steer technical decisions and architecture for our AI assessment systems • Collaborate with the dev team and assessment experts; participate in code reviews
Requirements
• 5-6 years of ML- or AI-focused engineering experience, OR a PhD in a relevant field (e.g., NLP, machine learning, deep learning, information retrieval, computer vision, or speech processing) with 2+ years of applied industry experience
• Experience owning the full model lifecycle: data collection and preparation, experimentation, deployment, observability, and continuous improvement
• Strong independence: comfortable working autonomously, making technical decisions, and helping steer technical direction without close supervision
• Hands-on experience working with LLMs, agentic workflows, and related frameworks (LangChain, LangGraph, DSPy)
• Strong Python programming skills; experience building APIs • Proven track record designing evaluation frameworks and tuning model
performance, including statistical testing for model comparison (e.g., t-tests to compare error distributions between model versions)
• Experience with experiment tracking and production observability (MLflow/W&B/DVC, Langfuse or similar, confidence calibration, human-in-the-loop)
• Experience with cloud platforms (AWS preferred, or Azure) for model deployment, evaluation, and scalable AI workloads
• Understanding of data privacy, fairness, auditability, system integrity, and scalable architecture
• Proficiency with Git, GitHub, and collaborative development workflows
Nice to have
• Startup experience or experience working in small, fast-moving teams • Experience with assessment technology, EdTech, or automated evaluation systems • Familiarity with ML frameworks (PyTorch, Scikit-learn) • Experience with semantic search, retrieval pipelines, or document analysis • Background in natural language processing or automated scoring • Experience with multimodal AI: speech-to-text for audio/video, computer vision for
images/video, or combining multiple modalities
Benefits
• Equity/stock options
• Pension contributions with employer match up to 5% of salary • Company laptop (MacBook) • 25 days annual leave
- About the role
- About us
- Key responsibilities
- Requirements
- Nice to have
- Benefits
Job ID:
52437
Published date:
27/11/2025
Summary
Job Title: Senior AI Research Engineer Location: Clerkenwell, London, UK (Hybrid) Department: TFG Labs Reports To: Head of TFG Labs
About TFG Labs: TFG Labs is the innovation arm of Twenty First Group, dedicated to pioneering AI-driven solutions that redefine the future of sports. We focus on developing groundbreaking technologies that enhance decision-making, performance analysis, and fan engagement across the sports industry. As a senior member of the Labs team, the research experiments you conduct will shape how the future of how AI and sports intersect.
Role Overview: We are seeking a visionary and experienced Senior AI Engineer with a growth mindset to be a foundational pillar of our new AI Engineering team in TFG Labs. This is a role for a strategic thinker and a hands-on builder who is obsessed with the rapid advancements in AI. You will be our go-to expert on emerging AI paradigms, from agentic workflows to multi-modal systems, and will be empowered to drive our R&D roadmap. Your primary mission is to architect and prototype the next generation of AI-powered tools that will give TFG and our clients a definitive competitive edge, on and off the pitch.
Key Responsibilities:
● Lead AI Research & Development: Drive the R&D of emerging technologies, and move beyond hype to identify tangible value for our business and clients.
● Architect and Build Advanced Prototypes: Lead the hands-on development of sophisticated AI prototypes, particularly focusing on agentic systems, automation platforms, and novel applications of Large Language Models (LLMs).
● Drive Technical Adoption: Analyse and drive the evolution and internal adoption of our AI infrastructure and tooling.
● Thought Leadership & Evangelism: Act as a thought leader within TFG. Translate complex AI concepts and the implications of your experiments for diverse audiences, from junior engineers to the C-suite. Mentor other team members, fostering a culture of curiosity and excellence.
● Defining Pathways for Integration: Collaborate with cross-functional product and engineering teams to chart a path for successful prototypes to become scalable, integrated solutions within our core products.
Core Qualifications:
● Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
● 5+ years of hands-on experience in a dedicated AI/ML engineering role, with a demonstrable track record of building and shipping complex systems.
● Expert-level proficiency in Python and its core AI/ML libraries (e.g., PyTorch, TensorFlow, LangChain, LlamaIndex), and comfortable transitioning to a ‘pilot’ role using AI tools to amplify your productivity.
● Proven experience designing, deploying, and managing scalable AI solutions on at least one major cloud platform (AWS, GCP, Azure).
● Solid understanding of MLOps principles and experience with relevant tools (e.g., Docker, Kubernetes, MLflow) for building robust, production-ready systems.
The Ideal Candidate Profile: This role is a perfect fit if you...
● Are at the bleeding edge of AI: You don't just follow the news; you're ahead of it. You actively follow research from top labs (OpenAI, DeepMind, Anthropic), experiment with open-source models the week they drop, and can articulate the architectural nuances between them.
● Are an architect of intelligent agents: You have hands-on experience designing and building agentic AI systems. You understand how to orchestrate multiple models, tools, and memory to perform complex tasks and are familiar with architectures like the Model-Control-Perception (MCP) loop or similar multi-agent frameworks.
● Are a master of the modern AI toolkit: You were an early adopter of GitHub Copilot and have since graduated to tools like Cursor or building your own custom developer automation. You intuitively use AI to achieve a 10x developer workflow and can evaluate new tools for team-wide adoption.
● Are a clear communicator and educator: You can demystify complex AI concepts. You can confidently explain to a non-technical stakeholder why an LLM hallucinates or why "2+2" might not always equal "4" in a probabilistic model, tailoring your explanation to the audience.
● Are passionate about the application: You have a genuine interest in sports. You understand that our clients' businesses run not just on data, but on a deep-seated passion for the game. Creative taste is a significant bonus.
What We Offer:
● A pivotal role in shaping the AI strategy of a leader in the sports intelligence industry. ● Significant autonomy and the budget to explore bold ideas and cutting-edge
technologies. ● The opportunity to work on genuinely novel problems with a world-class,
collaborative team. ● Competitive salary, comprehensive benefits package. ● A flexible hybrid working model and a healthy dose of sports-related fun.
Application Process: Interested candidates should submit their resume and a cover letter. In your cover letter, please briefly describe a recent AI experiment you've run (personal or professional) or a research paper that has recently excited you and why.
Job ID:
51627
Published date:
13/11/2025
Summary
About the job
About the Company
EC Markets is a leading investment and trading services provider, offering clients access to global financial markets through innovative technology and a commitment to regulatory excellence. We specialise in delivering trading solutions across a diverse range of asset classes, including equities, forex, commodities, and derivatives, with a strong focus on transparency, integrity, and client success.
With a client-first approach, we are dedicated to creating a secure and supportive trading environment that meets the highest regulatory standards. Our culture is built on collaboration, accountability, and continuous improvement, ensuring that both our clients and employees benefit from our forward-thinking approach to financial services.
About the Role
We are looking for a talented and enthusiastic AI Developer (Python) to join a growing team of experienced technologists and finance professionals and build a best-in-class trading/investment platform, with opportunities for technical ownership from day one. Please note that this role is office-based (Finsbury Square, Monday to Friday).
Responsibilities
- Build and maintain services that support AI agent interaction.
- Implement APIs, contracts, and metadata aligned with the Model Context Protocol.
- Develop internal tooling that supports AI-native workflows.
- Establish best practices for prompt engineering, model fine-tuning, and evaluation.
- Stay current with developments in AI/ML and apply relevant research to product needs.
- Participate in design reviews, code reviews, and incident response.
Qualifications
- Bachelor’s degree in Computer Science, Engineering, or equivalent.
Required Skills
- Software development experience with proven expertise in at least one programming language (Python / Java / Typescript) with experience building APIs and integrating backend systems.
- Solid Machine Learning fundamentals.
- Model Context Protocol for managing context and tool interfaces for agents.
- LLM integration patterns, including prompt orchestration and tool calling.
- Retrieval-Augmented Generation (RAG) for dynamic context injection.
- Understanding of user-centric design for AI interfaces and intelligent automation.
- Experience with AI frameworks (PyTorch, Tensorflow, Hugging Face etc.).
Preferred Skills
- Preferred knowledge of AWS, particularly AWS Bedrock for LLM deployment and orchestration.
- Self-motivated with a strong growth mindset.
Pay range and compensation package
- Competitive salary and performance-based bonus.
- Opportunities for professional growth and career advancement.
- Contribution pension scheme.
- A collaborative and innovative work environment
Job ID:
52100
Published date:
13/11/2025
Summary
AI Engineer – London (Hybrid 2-3 days/week) – AWS Solutions Partner – £80,000–£140,000 + Benefits + Equity
An AWS Partner headquartered in London with clients across the globe is seeking passionate AI Engineers to join a high-growth scale-up at an exciting stage of its journey.
As part of the team building agentic AI solutions, you will work end-to-end: engaging with customers, liaising with senior stakeholders, and designing and building production-ready applications. You will integrate LLMs and GenAI tools using frameworks such as LangChain and LlamaIndex, while setting up MLOps environments with Docker, Terraform, AWS, and CI/CD pipelines.
As a Software Engineer first, you will have deep expertise in at least one programming language (Python, Node.js, Java, JavaScript, TypeScript, React) and proven experience in productionising GenAI solutions, including integrating LLMs, LangChain, OpenAI API, or Claude.
This is a rare opportunity to join as one of the Founding AI Engineers, working alongside a Senior Leadership team drawn from successful high-growth scale-ups. The company is fully funded, revenue-generating, and working with exciting clients, offering real impact from day one.
To apply, please send your CV, and ideally include links to your GitHub or StackOverflow to showcase your projects and personal passion for AI and Software Engineering.
Keywords / Tech Focus: GenAI, LLM, Agentic AI, MLOps, RAG, LangChain, LlamaIndex, AWS, TypeScript, Docker, Terraform, SaaS, London
Job ID:
51187
Published date:
19/09/2025
Summary
WordPress Developer – PHP / HTML / CSS – Up to £45k + Benefits
An established digital agency is seeking a WordPress Developer to join their collaborative production team. You’ll be building bespoke WordPress websites and applications, working closely with designers and developers to deliver high-quality, responsive, and user-friendly solutions for a variety of clients.
As a WordPress Developer, you’ll:
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Develop and maintain custom WordPress themes and plugins
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Work on responsive layouts with HTML5, CSS3, and PHP
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Integrate APIs and contribute to bespoke functionality
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Ensure accessibility, usability, and performance across platforms
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Collaborate with the wider team and contribute to project estimates and documentation
Skills & Experience Required
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Strong WordPress development experience (themes, plugins, custom builds)
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Proficiency with PHP and front-end technologies (HTML5, CSS3, JavaScript)
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Knowledge of cross-browser and cross-platform compatibility
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Experience with version control (Git)
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Awareness of accessibility standards and best practices
Why Join?
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Full-time, permanent role with flexible start and finish times
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Hybrid working with options to work from home
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Training budget and opportunities for growth
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Generous holiday allowance and health scheme
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Friendly, supportive team with a genuine focus on work-life balance
This is a great opportunity for a WordPress Developer who wants to work on diverse, creative projects within a relaxed but ambitious agency environment.
To apply, please send your CV via the application process. Nathan Laidlaw will be in touch.
Keywords: WordPress Developer, PHP Developer, Front End Developer, Web Developer, HTML, CSS, JavaScript, Git, API, Accessibility, Digital Agency.
Job ID:
49665
Published date:
15/07/2025
Summary
Full Stack Polyglot Engineer — London | Up to £300k package with benefits + shares
An early-stage, well-funded startup is looking for a Senior Full Stack Polyglot Engineer to help build the next generation of AI-driven control software.
If you want to be part of something from the ground up, where your decisions genuinely shape the product and technology, this is the kind of role that doesn’t come around often.
You’ll be working directly with the founding team to create multiple SaaS applications that use large language models and modern AI tools. This is a rare opportunity to have full ownership over the tech you use, the systems you design, and the future of the product itself.
They offer more than just a competitive salary and shares. You’ll get freedom and influence from day one. This is a supportive and transparent culture that values honesty over polish, and potential over perfection. You’ll move fast, grow quickly, and play a vital role in a mission that’s bold and technically ambitious.
The Full Stack Polyglot Engineer should have experience in:
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Backend Programming: Python, Golang, Node, Java, Kotlin (or any solid language)
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Frontend: JavaScript or TypeScript. With some basic React / Vue / Angular
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Cloud: GCP, AWS or Azure
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DevOps: CI/CD, GitHub, Jenkins
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Systems: Microservices, distributed architectures, Testing
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AI: LLMs, prompting, fine-tuning
If you’re excited by the idea of working in a small, ambitious team and having a big say in what gets built, please apply and Nathan Laidlaw will reach out to you.
Python, Golang, Node.JS, JavaScript, TypeScript, CI/CD, GCP, AWS, Azure, Microservices, AI, LLMs
Job ID:
46255
Published date:
10/07/2025
Summary
Senior Software Engineer (AI Focus) – £80k–£135k + Benefits + Shares | London (Hybrid, 3 Days/Week)
We’re working with a leading AI consultancy – one of only four global partners of OpenAI – to hire talented Software Engineers (backend or full stack) to join their London team.
You don’t need to be a productionising AI/LLM expert already , they’ll teach that. What matters is strong, hands-on software engineering experience and a passion for building scalable systems.
What you’ll do:
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Build and deploy scalable applications in Python (and ideally JavaScript/TypeScript)
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Design and maintain microservices, APIs, and CI/CD pipelines
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Work on multiple cloud platforms (AWS, GCP, or Azure)
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Collaborate with AI specialists to deliver next-gen solutions
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Stay hands-on coding daily (even at senior levels)
What we’re looking for:
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Strong software engineering background (backend or full stack)
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Proven experience with Python and modern cloud architecture
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Solid knowledge of CI/CD, microservices, deployments
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Passion for AI/LLM (side projects or GitHub a bonus)
Why join?
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Salary: £80k–£135k + benefits + equity
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Hybrid: 2-3 days per week in London
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Be part of a global OpenAI partner at the cutting edge of AI
Apply now to join one of the UK’s most exciting AI engineering teams and Nathan Laidlaw from Transparent Tech will be in touch.
Software Engineer, Senior Software Engineer, AI Engineer, AI Developer, Python Developer, Full Stack Engineer, Backend Engineer, Generative AI, LLMs, LangChain, RAG, Microservices, CI/CD, GitHub Actions, Cloud Engineering, AWS, GCP, Azure, Vector Databases, Data Pipelines, Applied AI.
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