About us We are an AI-powered consumer intelligence firm, utilizing cutting-edge market research methodologies to provide real-time consumer insights. The role As our Dev Lead, you will play a key role in driving day-to-day delivery and technical excellence across our engineering team. You’ll stay hands-on, contributing to the codebase, while guiding the team on architecture decisions, code quality, and process discipline. You’ll collaborate closely with our Engineer Manager to make sure developers have clarity, blockers are resolved quickly, and sprints run smoothly, without taking on formal people management responsibilities. Responsibilities Architecture & Development Design and implement features using ReactJS (frontend) and Node.js/TypeScript (backend). Develop microservices within a hexagonal architecture, integrating with AI APIs and data pipelines. Optimize backend performance across MongoDB and DynamoDB. AI Integration Work with OpenAI, Azure AI, Vertex AI models to deliver NLP and data-driven insights. Support AI pipelines for qualitative and quantitative research automation. Cloud & DevOps Deploy, scale, and monitor services using AWS ECS, Kubernetes, and Istio. Ensure observability and performance monitoring using Grafana. Technical Leadership Lead by example with hands-on coding (~40–50% of your time). Review pull requests and uphold coding standards. Provide technical guidance on implementation details and architecture patterns. Pair-program and mentor developers informally to raise code quality and velocity. Security & Reliability Implement best practices for API security, data protection, and fault tolerance. Ensure compliance with data privacy standards (GDPR, ISO). Requirements 5 years of professional experience in full-stack development. Strong expertise in ReactJS, TypeScript, Node.js. Experience with microservices architecture and event-driven systems. Solid background in databases: both SQL/NoSQL (MongoDB, DynamoDB). Experience deploying scalable systems in AWS (ECS, Lambda, S3, CloudFormation). Knowledge of Kubernetes (K8s) and Istio service mesh. Familiarity with Grafana or similar monitoring tools. Experience integrating with AI/ML APIs (OpenAI, Azure AI, Vertex AI). Strong understanding of hexagonal architecture principles. Excellent problem-solving, communication, and mentorship skills. Bonus Points Background in marketing research, UX testing, or consumer insights platforms. Experience with event streaming (Kafka, Kinesis). Hands-on experience with data pipelines and ETL processes. Knowledge of predictive analytics and experimentation frameworks. Why Work for Bolt Insight? At Bolt Insight, we’re a vibrant and growing startup with a passionate team that thrives on innovation and collaboration. Here’s what you can expect when you join us: Remote working within the UK – You’ll have the flexibility to work from home or our office. Please note that you must be UK-based with valid residence and work rights. Unfortunately, sponsorship is not available for this role. Flexible working environment – We trust you to manage your time and work in a way that suits you best. Private Medical Insurance - Your health and well-being are important to us, and we’ve got you covered through Vitality Health Insurance Nest Pension contributions – We’ll contribute to your pension plan in line with UK requirements. Employee referral bonus – You get the chance to shape our team and be rewarded for bringing great people onboard. Virtual or local team gatherings – Whether online or in person, we love to connect and celebrate our successes together. In-house recognition awards – We celebrate our ‘lightning bolts’ (those who go above and beyond) and show our appreciation for hard work! Annual Bonus System – If the company meets its targets, you’ll receive a bonus payment of up to two months’ salary ! We win together. Join us at Bolt Insight, where we celebrate creativity, offer plenty of flexibility, and truly value each team member’s contributions. It’s time to be part of something special! If you are excited about building AI-driven products and pushing the boundaries of intelligent automation, we’d love to hear from you!