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Tech Lead- Conversational Commerce (UK/EUROPE)

GroupBy

GroupBy

London, UK
Posted on Jun 29, 2025
We’re seeking a seasoned Tech Lead to drive the development of cutting-edge Conversational AI Commerce solutions. In this role, you’ll architect and lead the implementation of intelligent digital commerce experiences—powering natural conversations through chat, voice, and multimodal interfaces. Reporting into the Lead Architect, this is a critical role that combines technical expertise and cross-functional collaboration to build scalable, customer-facing AI systems.

Responsibilities

  • Lead the technical vision and design of conversational commerce platforms (e.g., AI chatbots, virtual shopping assistants, voice commerce).
  • Work closely with product managers to help break product features down into individual user stories using tools such as JIRA and Miro. Refine product requirements providing technical and implementation details for the development team.
  • Architect scalable, secure, and high-performance backend and frontend systems.
  • Drive integration of NLP/NLU technologies, generative AI models (e.g., GPT, Claude), and APIs for commerce platforms (e.g., Shopify, Salesforce Commerce Cloud, Magento).
  • Collaborate with product managers, designers, developers and data scientists to support the delivery of AI-driven user experiences.
  • Mentor engineers and foster a high-performance team culture through code reviews and design discussions.
  • Coordinate with the global Architecture team, delivering a world-class AI-driven commercial platform.
  • Stay current with emerging AI, ML, and conversational technologies to influence strategic decisions.
  • Ensure code quality, performance, testing, and maintainability through best engineering practices.
  • Influence technical strategy and shape the future of customer interactions

Skills you have

  • 6+ years of software development experience, with at least 2 years in a technical leadership role.
  • Strong experience in building distributed systems, APIs, and microservices using Node.js, Python, or Java.
  • Expertise in AI/ML integration, particularly around conversational AI (e.g., Rasa, Dialogflow, Microsoft Bot Framework, OpenAI APIs).
  • Proven experience with cloud infrastructure (AWS, Azure, or GCP) and DevOps practices (CI/CD, containerization).
  • Strong understanding of eCommerce platforms and APIs (Shopify, BigCommerce, Stripe, etc.).
  • Exceptional problem-solving, communication, and team leadership skills.
  • Able to work cross functionally across multiple teams in different time zones
  • Aptitude to independently learn new practices and technologies as well as prototype proposed software designs
  • Deep understanding of asynchronous programming and multi-threading (especially in real-time systems)
  • Prompt engineering and orchestration frameworks (LangChain, Semantic Kernel)
  • Knowledge of chatbot architectures (intent recognition, dialogue management)

Ideal Candidate

  • Bachelor’s degree in a technical business-related field
  • 3+ years of experience in sales operations and/or business systems preferably in a software/technology
  • Salesforce Administrator certificate is preferred
  • Familiar working in a fast growing environment
  • Experience working in a startup
  • SAAS experience preferred but not required
  • Cloud Native development experience (GCP preferred but not required)Experience working with GCP, AWS or Azure
  • Knowledge of Microservices Architecture
  • Have built cutting-edge commerce experiences powered by AI