Backend Developer

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. 

It is a platform for creators, influencers and celebrities to grow, manage and monetise their community. It is aimed at both established and aspiring online creators who want to pursue their passion. Our vision is to enable anyone and everyone to make a successful living doing what they enjoy.

Skills And Qualification:-

• Must have experience with any scripting language (JavaScript/NodeJS preferred)
• Experience with API-driven and highly scalable application is a plus
• Good knowledge of non-relational DB (MongoDB preferred)
• Good with data structures and algorithms
• Good to have an experience with testing framework and CI/CD pipeline
• 1+ years of experience in software development preferably B2C experience.
• Basic understanding of Frontend and client side frameworks like React, Angular, Vue will be plus
• Experience in building scalable Restful APIs & Services.

Education requirement:-

• B.Tech (computer science preferred)

Responsibilities:-

• Clarify feature requirements with product team

• Design end to end feature flow

• Write scalable and bug free code

• Take care of test and deployment pipeline

• Maintaining the existing products

Location :- Bangalore (HSR Layout,Sector 1)

Job Title: Java Developer
Experience: 1year to 5 years
Location: Chennai

Job Description :

• Design & development of Java applications using Java EE, Spring Boot, Database
•  Experience in designing, analyzing, coding and troubleshooting large-scale distributed systems
• Ensuring continuous professional self-development
• Strong core Java skills - Multithreading, Collections, Concurrent programming 
• Should have knowledge of OOPS, Design Patterns and data structure
• Should have strong understanding of databases and its core concept including stored procedure
• Ability to work in team and handle production environment, application maintenance.

Responsibilities : 

• Design and develop scalable, high performance, and reliable API driven services/applications in Java language that operate whole day.
• Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
• Interact with both business, financial research, and technical stakeholders to deliver high quality products and services that meets/exceeds business, customer, and technical requirements.
• Own products and code from cradle to grave including production quality/performance monitoring.

Required Skills :

• Experience building and running high performance enterprise applications developed in Java language.
• Hands on experience developing Java web applications built with modern standards-based APIs including Java based REST APIs and implementations. 
• Experience in Java language APIs, Spring technologies, Hibernate, JDBC, RDBMS and NoSQL based data persistence.
• Experience developing solutions on AWS Cloud leveraging AWS Lambda, S3, DynamoDB, Cloud Formation, and other related AWS technologies. 
• Solid understanding of Domain Modeling with Relational and Non-Relational Databases.
• Excellent debugging and problem-solving skills, including ability to diagnose and fix performance and scalability issues.
• Experience working in an agile methodology-based development environment.
• Excellent written and verbal communication skills.
• BS/B.Tech/M.Tech in Computer Science or a related field.

This person MUST have:

• B.E Computer Science or equivalent
• 5 years experience with the Django framework
• Experience with building APIs (REST or GraphQL) 
• Strong Troubleshooting and debugging skills
• React.js knowledge would be an added bonus 
• Understanding on how to use a database like Postgres (prefered choice), SQLite, MongoDB, MySQL.
• Sound knowledge of object-oriented design and analysis.
• A strong passion for writing simple, clean and efficient code.
• Proficient understanding of code versioning tools Git.
• Strong communication skills.

Experience:

• Min 5 year experience
• Startup experience is a must. 

Location:

• Remote developer

Timings:

• 40 hours a week but with 4 hours a day overlapping with client timezone.  Typically clients are in California PST Timezone.

Position:

• Full time/Direct
• We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
• We dont believe in locking in people with large notice periods.  You will stay here because you love the company.  We have only a 15 days notice period.

Hiring Java Architects/ Tech Leads with expertise in Microservices, and Spring Framework. Experience of 8-10 yrs.

Notice Period - immediate to 45 days joiners only

Location - Bangalore and Chennai