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Reward Gateway

Reward Gateway

www.rewardgateway.com

1 Job

808 Employees

About the Company


Since 2006, we've helped the most innovative companies and HR leaders transform the employee experience to attract and retain top talent through employee benefits, strategic reward and recognition, wellbeing and much more. Across the globe, over 750 of us work together to make the world a better place to work, and as an ambitious, fast-growth, HR Tech SaaS company we're flexible, inclusive and keen to meet talented individuals who are passionate about positively impacting the future of work. Clients include American Express, Unilever, Samsung, IBM and McDonald's. For further information, please visit: www.rewardgateway.com

Listed Jobs

Company background Company brand
Company Name
Reward Gateway
Job Title
AI Engineer
Job Description
Job Title: AI Engineer Role Summary: Design, develop, and ship production‑ready AI solutions that integrate LLMs, RAG, and agentic workflows into Reward Gateway’s platform. Own cloud infrastructure, monitoring, cost control, and ensuring responsible AI practices while collaborating cross‑functionally on product and engineering initiatives. Expectations: Deliver resilient, scalable AI services; maintain high code quality and observability; adhere to privacy and regulatory standards; mentor peers and drive internal AI tooling improvements; iterate rapidly using data‑driven experiments and A/B testing. Key Responsibilities - Build and deploy AI and generative AI systems using LLMs, RAG, and agentic techniques. - Accelerate development with AI coding assistants (Cursor, Copilot, Claude Code) and document repeatable patterns. - Manage AWS/Kubernetes infrastructure, CI/CD pipelines, Terraform, monitoring, performance tuning, and cost optimization. - Develop backend services in Python; contribute to React, TypeScript, PHP/MV frameworks as needed. - Define and track offline/online metrics, conduct A/B tests, meet latency/cost targets, implement human‑in‑the‑loop validation, ensure robust observability. - Implement retrieval pipelines (embeddings, vector DBs, hybrid search, chunking). - Collaborate with Product using a working‑backward approach to create technical designs and iterative delivery. - Improve shared AI tools, SDKs, reference implementations for RAG, tracing, prompt management, evaluation. - Partner with Security, Legal, Data to establish AI policies, risk reviews, privacy, PII protection, regulatory compliance. - Conduct code reviews, mentor peers, share knowledge to elevate engineering standards. Required Skills - Production‑grade AI delivery experience with LLMs, RAG, agentic workflows, prompt engineering, embeddings, vector stores, hybrid search. - Strong Python programming, solid testing and CI/CD expertise; capability in React, TypeScript, PHP, or Node.js. - Cloud and platform engineering: AWS, Kubernetes, Docker, IaC, Terraform, observability tools. - Hands‑on with lead LLM providers (Anthropic, Claude, OpenAI); evaluate alternative models. - Familiar with LLM ecosystems (LangChain, LlamaIndex), agentic frameworks, tracing, logging, prompt management, evaluation tools. - Data engineering: dataset creation/validation, ETL, SQL schema design, model and product metrics definition & tracking. - ML fundamentals: metric design, error analysis, model selection, performance tuning. - Security and governance mindset, excellent communication with technical and non‑technical stakeholders, ownership from discovery to production and iteration. Required Education & Certifications - Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent professional experience. - Relevant certifications in cloud (e.g., AWS, Kubernetes) or AI/ML preferred but not mandatory.
London, United kingdom
Hybrid
06-03-2026