Senior Software Engineer

Flow Vector; India; Remote; INR 1,800,000 - 3,000,000; Full time

Job summary

Flow Vector is seeking a Full Stack Developer with 3+ years of Node.js and TypeScript experience to join our remote engineering team. You will build backend services, APIs, and frontend interfaces using Next.js, collaborating with designers and product managers in an agile setup.

Responsibilities include data modeling, testing, debugging, and contributing to architectural decisions. This role offers remote work with a focus on scalable cloud-native solutions.

Qualifications

• 3+ years of professional experience with Node.js and TypeScript.
• Strong Next.js experience — App Router or Pages Router, SSR/SSG, API routes.
• React component architecture, hooks, state management (Redux, Zustand, or similar).
• REST API design and asynchronous programming (promises, async/await).
• Experience with PostgreSQL, MySQL, MongoDB, or similar databases.
• Experience with vector databases (Pinecone, Weaviate, pgvector, Azure AI Search, or similar) for retrieval-augmented generation (RAG).
• Experience with LangChain and LangGraph.
• Experience with Langfuse or a similar LLM observability/tracing tool.
• Familiarity with Git-based workflows, code review, and CI/CD pipelines.
• Cloud infrastructure (AWS, Azure, or GCP) — deploying and debugging services in a cloud environment.
• Strong debugging and problem-solving skills, and clear written communication.

Responsibilities

• Design, build, and maintain backend services using Node.js and TypeScript.
• Build responsive, accessible frontend interfaces using Next.js and TypeScript.
• Design and implement REST APIs and integrate with third-party services.
• Work with relational and/or NoSQL databases — schema design, queries, performance tuning.
• Write unit and integration tests; participate in code review.
• Debug and resolve production issues across the stack.
• Collaborate with designers, product managers, and other engineers in an agile environment.
• Contribute to technical decisions on architecture, tooling, and best practices.

Skills

Node.js

TypeScript

Next.js

React

REST API design

Promises / async/await

RAG/vector databases

LangChain

LangGraph

Langfuse

Git workflows

AWS

CI/CD

Tools

Next.js

React

Redux

Zustand

PostgreSQL

MySQL

MongoDB

Pinecone

Weaviate

pgvector

Azure AI Search

LangChain

LangGraph

Langfuse

AWS

GCP

Git

Job description

Experience 3+ years with Node.js and TypeScript

Location Remote

Employment Type Full-time

We're looking for a Full Stack Developer with strong Node.js and Next.js experience to join our

engineering team. You'll work across the stack — building APIs, designing data models, and shipping

user-facing features — on production systems used by real customers.

RESPONSIBILITIES

• Design, build, and maintain backend services using Node.js and TypeScript.
• Build responsive, accessible frontend interfaces using Next.js and TypeScript.
• Design and implement REST APIs and integrate with third-party services.
• Work with relational and/or NoSQL databases — schema design, queries, performance tuning.
• Write unit and integration tests; participate in code review.
• Debug and resolve production issues across the stack.
• Collaborate with designers, product managers, and other engineers in an agile environment.
• Contribute to technical decisions on architecture, tooling, and best practices.

REQUIRED SKILLS

• 3+ years of professional experience with Node.js and TypeScript.
• Strong Next.js experience required — App Router or Pages Router, SSR/SSG, API routes,
• React component architecture, hooks, state management (Redux, Zustand, or similar).
• Solid understanding of REST API design and asynchronous programming (promises, async/await,
• event-driven patterns).
• Experience with at least one major database (PostgreSQL, MySQL, MongoDB, or similar).
• Experience with vector databases (Pinecone, Weaviate, pgvector, Azure AI Search, or similar)
• for retrieval-augmented generation (RAG) use cases.
• Experience with agent orchestration frameworks — LangChain and LangGraph.
• Experience with Langfuse or a similar LLM observability/tracing tool.
• Familiarity with Git-based workflows, code review, and CI/CD pipelines.
• Comfortable working with cloud infrastructure (AWS, Azure, or GCP) — deploying and debugging
• services in a cloud environment.
• Strong debugging and problem-solving skills, and clear written communication.