Backend SDE-2

Job Title: Lead Backend Engineer

Company: DoubleTick.io (Conversational CRM powered by Meta WhatsApp's API)

Location: Mumbai (on-site)

About the Role

We're looking for a hands-on QA leader to own quality across our products. You'll set the QA strategy, build and scale our automation and testing infrastructure, and lead a growing team — while staying close enough to the work to dig into a tricky bug yourself. This is a high-ownership role for someone who wants to define how quality is done, not just execute test cases.

Key Responsibilities

• Lead and mentor a team of 5-6 backend engineers, ensuring high-quality code delivery, adherence to best practices, and timely project completion.
• Hands-on development using TypeScript, Node.Js, and NestJs to build robust and scalable backend systems.
• Proficient in managing databases PostgreSQL and MongoDB. Implement efficient data storage and retrieval strategies.
• Expertise in Elasticsearch
• Work with Neptune and Gremlin to handle complex data structures and relationships.
• Conduct code reviews, enforce coding standards, and maintain high-quality software.
• Work closely with frontend teams, designers, and product managers to ensure seamless integration and alignment with business goals.
• Plan, track, and report on project progress. Manage resources effectively to meet deadlines.

Required Skills and Qualifications

• Bachelor’s degree in Computer Science or related field.
• Minimum 5 years of experience in backend development.
• Strong proficiency in Node.Js, PostgreSQL and JavaScript
• Strong experience in architecture and database design.
• Proven experience leading a team of engineers.
• Excellent problem-solving skills and attention to detail.
• Proven experience in scaling backend.
• Strong communication and collaboration skills.
• Experience in a fast-paced, agile environment.
• Prior experience in a similar lead role.

Good to have

• Experience with Gremlin, Neptune, MongoDB, Elasticsearch, TypeScript, and BigQuery
• Familiarity with AWS and its cloud-based services

What We Offer

• Competitive salary and benefits package.
• A dynamic and inclusive work environment.
• Opportunities for professional growth and development.
• A chance to work on cutting-edge technologies.

About Us:

DoubleTick is a mobile-first conversational CRM built on the official WhatsApp Business API, designed to unlock WhatsApp-led sales, marketing, and customer engagement at scale.It enables businesses to manage conversations through a centralized team inbox, automate workflows with chatbots and bot studio, and drive growth via bulk broadcasting and analytics. With features like WhatsApp Calling, commerce & cataloging, and role-based access, DoubleTick helps teams streamline operations and improve conversion efficiency.

Backed by Info Edge Ventures and BeeNext, the platform serves 10,000+ businesses across India and UAE in 100+ industries. Leading brands such as MakeMyTrip, Royal Enfield, CoinDCX, Tarun Tahiliani, Times Media, GRT Jewellers, Malabar Gold and Diamonds, Jaro Education, Sabyasachi, and DarGlobal trust DoubleTick to power their customer conversations. 

Roles and Responsibilities

• Develop, test, and maintain server-side applications using Node.js and related technologies.
• Design and implement RESTful APIs and microservices architecture to support frontend functionality.
• Collaborate with cross-functional teams to understand business needs and translate them into technical solutions.
• Optimize application performance, ensuring scalability and reliability.
• Conduct code reviews, mentor junior developers, and ensure adherence to best practices.
• Stay updated with emerging backend technologies and methodologies to improve development processes.

Mandatory

• SaaS experience of 2 years with total development experience of 4 years
• Must have worked in a smaller company of less than 100
• Should have built solutions/softwares end to end and not just as a part of bigger team
• Should see themselves going deeper into the same role even 5 years down the line
• Should have knowledge on Node.js, MongoDB, and AWS
• Strong understanding of asynchronous programming, event-driven architecture, and Node.js design patterns.
• Proficiency in working with databases such as PostgreSQL, MongoDB, or MySQL.
• Experience with API development, including RESTful services and microservices.
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
• Strong problem-solving skills and the ability to debug complex server-side issues.

Essential

• Proficiency with version control systems like Git.
• Experience with CI/CD pipelines and deployment automation.
• Knowledge of system design and scalable architecture.
• Understanding of security best practices and implementing secure APIs.

Good to Have

• Experience with GraphQL and related backend technologies.
• Knowledge of containerization and orchestration tools like Docker and Kubernetes.
• Familiarity with message brokers like RabbitMQ or Kafka.
• Experience with platforms like Shopify, BigCommerce, or other e-commerce technologies.
• Exposure to frontend technologies such as React for better cross-functional collaboration.

Following are the things that we are looking for in our NodeJS developer:

• Full SDLC knowledge, preferably in an agile environment.
• Strong written and verbal communication skills. Strong critical thinking & problem solving skills.
• Understanding of Unix / Linux based systems.
• Hands-on exposure to deeply linked relational databases – preferably in MySQL
• Ability to take a feature or product through the full Software Development Life Cycle.
• Strong communication skills, including the ability to both collaborate well and also the ability to convey technical ideas and concepts to non-technical stakeholders.
• Identify the interaction needs and how the API. must be developed based on design comps, product specs, etc.
• Continuously evaluate and implement new technologies to maximize development efficiency.
• Address and prioritize production level bugs and application performance improvements.
• An adaptable attitude and understanding of the agile methodology.
• Unit-test code for robustness, including edge cases, usability, and general reliability.
• Collaborate with cross-functional teams to define, design, and release new features.