Full Stack Developer

Location: Hybrid (Istanbul Office)

Salary: Competitive

About Us

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!

Position Overview

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.

Responsibilities

Design and develop scalable backend services using NestJS
Build responsive, user-friendly interfaces with React
Develop and optimize LLM integrations and RAG pipelines
Work with vector databases and embedding systems
Design, implement, and document APIs
Collaborate with product and design teams to translate requirements into technical solutions
Participate in code reviews and contribute to engineering best practices
Monitor application performance and troubleshoot production issues
Stay current with emerging AI/ML technologies and evaluate their potential applications

Requirements

Technical Skills

4+ years of experience with NestJS or similar Node.js frameworks
Strong proficiency in React and modern frontend development
Advanced TypeScript knowledge
Experience with RESTful APIs and/or GraphQL
Solid understanding of SQL and NoSQL databases
Proficiency with Git version control

Nice to Have

Experience with LLM APIs (OpenAI, Anthropic, Cohere, etc.)
Hands-on experience building RAG systems
Familiarity with vector databases (Pinecone, Weaviate, Qdrant, pgvector, Chroma)
Knowledge of LangChain, LlamaIndex, or similar frameworks
Understanding of prompt engineering and LLM evaluation techniques
Experience with embedding models and semantic search
Docker and containerization
CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins)
Cloud platforms (AWS, GCP, Azure)
Message queues and event-driven architecture (Redis, RabbitMQ, Kafka, Bullmq)
Testing frameworks and TDD practices

Why work for Bolt Insight?

Your Work Will Make a Huge Impact And Your Voice Will Be Heard. Besides Your Salary, This Is What’s In It For Boltee’s

Hybrid working, also the opportunity to work in a nomadic way – we’re open, just talk to us about your dreams!
Multinet Meal Ticket
A flexible working environment
Private Medical Insurance through Allianz
Getting together as a team, virtually (to combine the global gang), or locally!
In-house recognition awards to celebrate our ‘lightening bolts’’

We’re looking for somebody with initiative who can see both the business and their own growth path. 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.

Full Stack Developer

Key Skills

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