Backend Lead Developer

Job Title: Senior Backend Developer

Location: Sector 58, Noida (On-site)

Type: Full-time | Founding Team

Experience: 4–5 Years

About the Company:

Weya AI is on a mission to revolutionize how businesses communicate with their customers. Our intelligent AI agents automate voice, Whatsapp, and email interactions- powering end-to-end support, collections, onboarding, and more for banks, NBFCs and fintechs. We're building the future of customer engagement: AI systems that talk like humans, operate at scale, and deliver 24/7 responsiveness with precision.

If you're looking to work on real-world AI problems with enterprise impact, Weya AI is one of the most mission-driven startups you can join right now.

About the Role:

As a Senior Backend Developer at Weya.ai, you’ll join our core founding tech team and take full ownership of backend systems that power our real-time AI communication stack.

This isn’t just a development job — it's a leadership opportunity to help scale a live product already in production. You'll architect, build, and optimize scalable, secure backend services while collaborating across AI, frontend, and telephony teams. Expect rapid release cycles, close collaboration with founders, and the freedom to influence architecture, tooling, and team culture.

What You'll Do?

• Architect and build scalable microservices using Node.js or Go
• Design clean, secure APIs and data pipelines for real-time voice and chat systems
• Manage cloud infrastructure on Azure or AWS (App Services, containers, databases)
• Optimize backend systems for performance, cost-efficiency, and reliability
• Collaborate with product, AI, and frontend teams to launch new features rapidly
• Own deployments, monitoring, and backend stability in a production environment
• Contribute to code reviews, system design decisions, and long-term architecture strategy

What We're Looking For?

• 4-5 years of backend or full-stack experience with Node.js, Go (Golang), React, PostgreSQL or MongoDB
• Strong understanding of system design, microservice architecture, and clean code practices
• Experience deploying and scaling cloud applications on Azure or AWS
• Proven track record of delivering end-to-end features in SaaS, voice tech, or AI-driven platforms
• A product-first mindset — you think about UX and business impact, not just code
• Strong communication, ownership, and cross-functional collaboration skills
• A self-starter attitude — you thrive in startup environments and ambiguity

Good-to-Have (Bonus Points)

• Exposure to Next.js, or frontend integration workflows
• Familiarity with CRM integrations, WhatsApp APIs, Twilio, or Knowlarity
• Experience in early-stage startups or mentoring junior engineers
• Passion for AI, voice interfaces, or building tools that transform CX

What You'll Get?

• High Ownership: Your code and work directly impact and helps businesses scale across India and the US
• Direct client and live Product Exposure: No red tape culture, Ideas get shipped, not stuck in slides Work
• Founding Team Vibe: Influence our tech stack, culture, and product roadmap
• Career Growth: Build, lead, and scale systems at the heart of a fast-growing AI startup

Let’s Build the Future of Conversations.

If you're excited about scaling backend systems, building impactful tech, and owning your work — apply now!

Apply now!

We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing APIs, and integrating data storage and protection solutions.

• Minimum of two years previous experience as a Node.js developer.
• Minimum of two years of experience developing applications using MongoDB.
• Minimum of one year of experience developing applications using ExpressJs.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of the APIs.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests and identifying bugs.
• Documenting Node.js processes, including database schemas.
• Recommending and implementing improvements to APIs.

• Expert knowledge of computer science, with strong competencies in data structures, algorithms,

  and software design.

• Strong understanding of end-to-end architectures and development frameworks; knowledge

  across tiers in a multi-tier cloud environment including load balancers, web servers, application

  containers, data stores, and distributed caches.

• Minimum 6 years of experience with deep technical knowledge and hands on skills in Java.

• Has worked extensively on caching technologies such as Redis, memcache.

• Should be strong with Data Strcutures, Algorithms & OOPs concepts.

• Worked on NoSQL databases such as MongoDb.

• Designed and developed highly scalable multi-threaded large scale distributed systems.

• Well versed with services and micro-services architecture.

• • Usage of containers, virtual machine systems, cloud computing.