Full Stack Developer

<p><span><strong>Location: </strong>Hybrid (Istanbul Office)</span><br><span><strong>Salary:</strong> Competitive</span></p><p><span><strong>&nbsp;</strong></span></p><p><span><strong>About us</strong></span></p><p><span>Bolt Insight is the first real-time digital market research platform driven by people’s unique behaviours and interests. We are on a mission to unite our clients with their consumers through pioneering solutions and technology to maximise human insights and innovate!</span></p><p><span>&nbsp;</span></p><p><span><strong>Position Overview</strong></span></p><p><span>We are looking for a Full Stack Developer to join our team building LLM-powered applications. You will work across the entire stack, from crafting intuitive user interfaces to designing robust backend services and integrating cutting-edge AI capabilities.</span></p><p><span>&nbsp;</span></p><p><span><strong>Responsibilities</strong></span></p><ul><li><p><span>Design and develop scalable backend services using NestJS</span></p></li><li><p><span>Build responsive, user-friendly interfaces with React</span></p></li><li><p><span>Develop and optimize LLM integrations and RAG pipelines</span></p></li><li><p><span>Work with vector databases and embedding systems</span></p></li><li><p><span>Design, implement, and document APIs</span></p></li><li><p><span>Collaborate with product and design teams to translate requirements into technical solutions</span></p></li><li><p><span>Participate in code reviews and contribute to engineering best practices</span></p></li><li><p><span>Monitor application performance and troubleshoot production issues</span></p></li><li><p><span>Stay current with emerging AI/ML technologies and evaluate their potential applications</span></p></li></ul><p><span>&nbsp;</span></p><p><span><strong>Requirements</strong></span></p><p><span><strong>Technical Skills</strong></span></p><ul><li><p><span>4+ years of experience with NestJS or similar Node.js frameworks</span></p></li><li><p><span>Strong proficiency in React and modern frontend development</span></p></li><li><p><span>Advanced TypeScript knowledge</span></p></li><li><p><span>Experience with RESTful APIs and/or GraphQL</span></p></li><li><p><span>Solid understanding of SQL and NoSQL databases</span></p></li><li><p><span>Proficiency with Git version control</span></p></li></ul><p><span>&nbsp;</span></p><p><span><strong>Nice to Have</strong></span></p><ul><li><p><span>Experience with LLM APIs (OpenAI, Anthropic, Cohere, etc.)</span></p></li><li><p><span>Hands-on experience building RAG systems</span></p></li><li><p><span>Familiarity with vector databases (Pinecone, Weaviate, Qdrant, pgvector, Chroma)</span></p></li><li><p><span>Knowledge of LangChain, LlamaIndex, or similar frameworks</span></p></li><li><p><span>Understanding of prompt engineering and LLM evaluation techniques</span></p></li><li><p><span>Experience with embedding models and semantic search</span></p></li><li><p><span>Docker and containerization</span></p></li><li><p><span>CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins)</span></p></li><li><p><span>Cloud platforms (AWS, GCP, Azure)</span></p></li><li><p><span>Message queues and event-driven architecture (Redis, RabbitMQ, Kafka, Bullmq)</span></p></li><li><p><span>Testing frameworks and TDD practices</span></p></li></ul><p><span>&nbsp;</span></p><p><span><strong>Why work for Bolt Insight?</strong></span></p><p><span>Your work will make a huge impact and your voice will be heard.&nbsp;Besides your salary, this is what’s in it for Boltee’s: </span></p><ul><li><p><span>Hybrid working, also the opportunity to work in a nomadic way – we’re open, just talk to us about your dreams!</span></p></li><li><p><span>Multinet Meal Ticket</span></p></li><li><p><span>A flexible working environment</span></p></li><li><p><span>Private Medical Insurance through Allianz</span></p></li><li><p><span>Getting together as a team, virtually (to combine the global gang), or locally!</span></p></li><li><p><span>In-house recognition awards to celebrate our ‘lightening bolts’’</span></p></li></ul><p><span>&nbsp;</span></p><p><span>We’re looking for somebody with initiative who can see both the business and their own growth path.&nbsp;It is a great time to join our team, so what are you waiting for…if all that sounds like a good fit then we can’t wait to hear from you. </span></p><p><span>&nbsp;</span></p>