Senior Full-Stack Engineer

Djinni
Boston, MA

  • Senior Full-Stack Engineer **$$$$**Responds Quickly## Required skills experience| | || --- | --- || Node.js | 8 years || React.js | 8 years || Vue.js | 8 years || Angular | 8 years || LLM | 8 years |## Required languages| | || --- | --- || English | C1 - Advanced |Published 30 March66 views·5 applicationsResponse activity: Very highTo apply for this and other jobs on Djinnior.We are looking for a **Senior Full Stack Engineer** to join a fast-growing US-based startup building AI-driven automation solutions for the insurance industry.US-based early-stage startup in the insurance domain operates as an aggregator platform that helps users find optimal insurance solutions across providers, while also developing a **loss prevention** direction through data and automation. The product is not legacy — it has been built from scratch by the CTO and is now entering a scaling phase. A key focus area is **AI and automation** — building workflows, integrating AI agents, and optimizing processes across the platform. Your mission will be to help scale both the product and the technical foundation as the CTO’s right-hand engineer.**Location:** Remote **Working Hours:** Partial overlap with US (Boston) — 3–4 hours**Your responsibilities will include:*** Hands-on coding and solving complex backend and full-stack challenges in a fast-paced startup environment.* Lead and mentor 2–4 developers while continuing to write production code yourself.* Build and maintain scalable backend services using Node.js.* Design and implement architecture, workflows, automation, and AI-driven processes.* Work with integrations, APIs, and data pipelines across multiple external insurance providers.* Collaborate closely with the CTO (your direct manager) and the small core product team (5–6 people).* Drive technical decisions, feature development, and product scaling.* Improve and maintain code quality, including basic test coverage.* Participate in building systems that optimize insurance selection and risk prevention.**What we expect from you:*** 12–15+ years of professional software engineering experience.* English: B2–C1 or higher (active communication with the US team is essential).* Strong hands-on backend development with Node.js.* Solid full-stack understanding, including React (or equivalent frontend frameworks).* Multi-stack experience and a stack-agnostic mindset.* Deep understanding of software architecture and system design.* Real coding experience (you are a hands-on engineer, not only a leader).* Ability to lead small teams (2–4 developers) and take ownership.* Experience working with automation tools, workflows, or AI-related features (agents, LLMs, etc.) — strong plus.* Good understanding of APIs, integrations, and data handling.* Ability to work independently in a startup environment with minimal supervision and without strict processes or detailed specifications.* Strong problem-solving skills, proactive mindset, leadership, and ownership.* Basic understanding of testing (unit/integration).**Nice to Have:*** Previous startup experience.* Leadership and ownership in scaling products/technical teams.* Hands-on experience with AI-powered products or LLMs.* Familiarity with building or optimizing automation processes.**We offer:*** Work on an early-stage product with real impact in the insurance domain as a core team member.* Opportunity to be the CTO’s right-hand engineer and shape both product and technical decisions.* Hands-on experience with AI, automation, modern full-stack systems, and scaling from scratch.* Fast-paced environment with minimal bureaucracy in a small distributed team (US + LatAm + Europe).* 100% remote work, long-term core role.* **Only from 8 years of experience*** **Full Remote*** **Ukraine, Brazil, Argentina, Peru** Countries where we consider candidates* + **English C1 - Advanced**
  • J-18808-Ljbffr

Posted 2026-05-06

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