- Writing efficient, reusable, testable, and scalable code
- Understanding, analyzing, and implementing – Business needs, feature modification requests, conversion into software components
- Integration of user-oriented elements into different applications, data storage solutions
- Developing – Backend components to enhance performance and receptiveness, server-side logic, and platform, statistical learning models, highly responsive web applications
- Designing and implementing – High availability and low latency applications, data protection and security features
- Performance tuning and automation of application
- Working with Python libraries like Pandas, NumPy, etc.
- Creating predictive models for AI and ML-based features
- Keeping abreast with the latest technology and trends
- Fine-tune and develop AI/ML-based algorithms based on results
Technical Skills-
Good proficiency in,
- Python frameworks like Django, etc.
- Web frameworks and RESTful APIs
- Core Python fundamentals and programming
- Code packaging, release, and deployment
- Database knowledge
- Circles, conditional and control statements
- Object-relational mapping
- Code versioning tools like Git, Bitbucket
Fundamental understanding of,
- Front-end technologies like JS, CSS3 and HTML5
- AI, ML, Deep Learning, Version Control, Neural networking
- Data visualization, statistics, data analytics
- Design principles that are executable for a scalable app
- Creating predictive models
- Libraries like Tensorflow, Scikit-learn, etc
- Multi-process architecture
- Basic knowledge about Object Relational Mapper libraries
- Ability to integrate databases and various data sources into a unified system
- Basic knowledge about Object Relational Mapper libraries
- Ability to integrate databases and various data sources into a unified system

Similar jobs
We are looking for a Senior Backend Engineer with a strong background in building distributed, scalable, and high-performance backend systems. The ideal candidate has 6+ years of backend engineering experience, including 3+ years in microservices or distributed architecture, and deep expertise in Python, FastAPI, PostgreSQL, Redis, and async I/O patterns.
The candidate will own backend services end-to-end — from architecture and design to implementation, optimization, and production support — while working closely with cross-functional teams to deliver mission-critical systems.
Key Responsibilities
1. Backend Architecture & Development
- Architect, design, and implement backend services using Python (preferably FastAPI) with clean, maintainable, and scalable code.
- Develop microservice components, service communication layers, and distributed workflows.
- Build APIs and backend modules optimized for performance, fault tolerance, and low latency.
2. Distributed Systems & Scalability
- Design and maintain distributed systems capable of handling high throughput and large-scale operations.
- Implement inter-service communication patterns (REST, event-driven, message queues, pub/sub).
- Ensure system resiliency through redundancy, graceful degradation, and autoscaling strategies.
3. Asynchronous & Event-Driven Architecture
- Build async workflows, background tasks, and pipeline services leveraging asyncio or async frameworks.
- Develop event-driven components including producers, consumers, and event processors.
- Optimize I/O-heavy operations to maximize concurrency and throughput.
4. Data Storage, Pipelines & Caching
- Design relational schemas, write optimized SQL queries, and work with PostgreSQL performance tuning (indexes, partitions, query planning).
- Implement caching strategies, rate limiting, distributed locks, and session storage using Redis.
- Build data validation pipelines and compliance-driven data flows ensuring data correctness and auditability.
5. Security, Reliability & Observability
- Implement authentication, authorization, encryption, and secure API practices.
- Build monitoring, alerting, metrics, and tracing systems using modern observability tools.
- Diagnose production issues, identify bottlenecks, and drive long-term fixes and improvements.
6. Code Quality & Technical Leadership
- Conduct detailed code reviews and ensure engineering best practices across the team.
- Participate in technical roadmap planning, architectural discussions, and system design decisions.
- Mentor junior and mid-level engineers; drive a culture of technical excellence and ownership.
Required Qualifications
- 6+ years backend engineering experience.
- 3+ years building microservices or distributed systems.
- Strong expertise in Python and frameworks like FastAPI (or Flask/Django with async exposure).
- Deep understanding of async I/O, concurrency models, and asynchronous programming in Python.
- Strong experience with PostgreSQL (schema design, advanced queries, optimization).
- Hands-on experience with Redis for caching, queues, session management, and distributed patterns.
- Experience with event-driven architectures, message processing, or streaming systems.
- Solid understanding of system design, scalability principles, and API lifecycle management.
- Experience working with CI/CD pipelines, containerization (Docker), and cloud environments.
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.

Core Focus:
- Operate with a full DevOps mindset, owning the software lifecycle from development through production support.
- Participate in Agile ceremonies and global team collaboration, including on-call support.
Mandatory/Strong Technical Skills (6–8+ years of relevant experience required):
- Java: 4.5 to 6.5 years experience
- AWS: Strong knowledge and working experience with Cloud technologies minimum 2 years.
- Kafka: 2 years of Strong knowledge and working experience with data integration technologies
- Databases: Experience with SQL/NoSQL databases (e.g., Postgres, MongoDB).
Other Key Technologies & Practices:
- Python, Spring Boot, and API-based system design.
- Containers/Orchestration (Kubernetes).
- CI/CD tools (Gitlab, Splunk, Datadog).
- Familiarity with Terraform and Airflow.
- Experience in Agile methodology (Jira, Confluence).
Job description
“I DESIGN MY LIFE” is an Online Business Consulting/ Coaching Company headed by renowned Business Coach – Sumit Agarwal. We provide online consulting and trainings to Business Owners of SMEs, MSMEs across India.
You can find more about us here: https://idesignmylife.net/careers/
This is a hands-on position. The role will have the following aspects:
POSITION: Software Developer
LOCATION: Full time(permanent) work from home opportunity
LANGUAGES: JavaScript, MySQL, Python, Erp Next, HTML, CSS, and Bootstrap
ROLE : We are looking for people who can
- Code well
- Have written complex software
- Self-starters - Can read the docs and don't need hand-holding
- Experience in Python/Javascript/jQuery/Vue/MySQL will be a plus
- Functional knowledge of ERP will be a plus
Basic Qualifications
- BE / B.Tech - IT/ CS
- 1 / 2+ years of professional experience
- Strong C# and SQL skills
- Strong skills in React and TypeScript
- Familiarity with AWS services or experience working in other cloud computing environments.
- Experience with SQL Server and PostgreSQL.
- Experience with automated unit testing frameworks.
- Experience in designing and implementing REST APIs & micro services-based solutions.
Job Types: Full-time, Permanent
Pay: ₹336,354.85 - ₹691,451.90 per year
Schedule:
- Day shift
- Weekend availability
Education:
- Bachelor's (Required)
Experience:
- JavaScript: 1 year (Required)
- MySQL: 1 year (Required)
Work Location: Remote
Expected Start Date: 01/03/2025
Job Summary:
We are looking for a skilled and experienced Java Developer to join our team. As a Java Developer, you will be responsible for developing and maintaining our applications using Java, Spring framework, and other related technologies. The ideal candidate should have a strong understanding of object-oriented programming principles, as well as experience with a variety of technologies such as SQL, NoSQL, and cloud computing.
Responsibilities:
- Design, develop, and maintain our applications using Java, Spring framework, and other related technologies
- Write clean, efficient, and optimized code for applications
- Collaborate with cross-functional teams to understand user requirements and deliver high-quality solutions
- Develop and maintain backend systems using Spring framework
- Work with databases, including SQL and NoSQL
- Ensure code quality and maintain documentation
- Troubleshoot and debug applications
- Stay updated with emerging trends and technologies in Java development
- Work with other teams to deploy and maintain applications
Requirements:
- 3-7 years of experience in Java development
- Strong understanding of object-oriented programming principles
- Experience with Java, Spring framework, and related technologies
- Familiarity with databases, including SQL and NoSQL
- Knowledge of cloud computing is a plus
- Excellent problem-solving and debugging skills
- Strong communication and collaboration skills
- Ability to work independently and as part of a team
- Bachelor's degree in computer science or a related field
Key Skills:
- Strong proficiency in Java programming language
- Experience with Spring framework, including Spring Boot and Spring MVC
- Familiarity with cloud platforms such as AWS, GCP, and Azure
- Experience building RESTful APIs
- Knowledge of microservices architecture
- Familiarity with SQL and relational databases such as MySQL and Postgres
- Familiarity with NoSQL databases such as MongoDB and Redis
- Experience with messaging systems such as Kafka and RabbitMQ
- Experience with containerization tools such as Docker and Kubernetes
- Understanding of software development principles and experience with SDLC methodologies
- Experience with Git version control and build tools such as Maven and Gradle
- Familiarity with front-end technologies such as Angular and React is a plus
- Strong problem-solving and analytical skills
- Good communication and interpersonal skills
- Ability to work independently and take ownership of tasks
- Experience with test-driven development and unit testing frameworks such as JUnit and Mockito
- Familiarity with CI/CD tools such as Jenkins is a plus
- Familiarity with caching technologies such as Redis is a plus
- Working knowledge of design patterns and software architecture principles is a plus.
Role Description
- We are looking to add a Software Engineer to contribute to the development, upgradation and management of our back end services for our website / PWA / app / chatbot / internal tools.
- You will be part of a lean team with a very steep learning / growth opportunity while working on and exploring some of the cutting edge technologies
- This is a full-time role in Mumbai with flexible working hours (including WFH)
- You will be working closely with the founder and be involved in strategic decisions such as back end architecture, tech stack selection, hiring, etc.
- We have multiple products in the pipeline and we need a strong team player who can contribute shoulder-to-shoulder with the existing team in the software development process.
- CTC offered: upto Rs. 22 Lakhs
What are we looking for in the candidate?
- Must have qualities: logical & independent thinker; problem solver; result oriented; takes ownership; ability to work indepenently with end-to-end output delivery; ability to structure the code (to avoid rework in future)
- Experience in writing production quality code in NodeJS, Python, Java, or Ruby on Rails
- Hands on experience in design web application using ExpressJS, Koa, Django
- Experience in designing and developing REST API. Familiarity with GraphQL is a plus.
- Proficient in dealing with SQL and NoSQL databases like MySQL, PostgreSQL MongoDB, Elasticsearch.
- Experience with in-memory databases like Redis or MemCache; webserver like Apache, Nginx.
- Experience in stress testing and unit testing and familiarity with testing platforms is a plus
- Proven experience in implementing user authentication and authorization in distributed systems.
- Capability to integrate multiple data sources and databases into one system.
- Experience in designing and developing scalable system.
- Working experience with one of the cloud services like GCP, AWS , Digital Ocean, Azure, etc.
- Knowledge of low-code / no-code tools to expedite production is a plus
- Engineering degree; Computer Science preferably + minimum 2 years of work experience as a Back End Engineer (NOTE: Please do not apply if you do not meet this criteria)
- Clear communication, strong inter-personal skills
What can you expect to gain from the role?
- Experience of a lifetime by disrupting the antiquated tech of Real Estate
- Steep learning curve with opportunity to
- Opportunity to generate immense wealth for yourselves from the equity allocation
- A good cash salary
- Standard perks (health insurance, medical benefits etc.)
Hiring Process
- CV screening
- Coding Test
- Technical Interview
The candidate’s primary focus will be developing new features for our
modern web application. They will get exposure to an ‘agile-centric’
delivery model, while leveraging modern / innovative JavaScript
approaches. A candidate who is driven, innovative and has passion for
elegant technical solutions will thrive in this role.
- You should have deep understanding of NodeJS
- You should be strong in Javascript and TypeScript
- You should be capable of writing complex queries
- ES6, Express, Apollo Server, Send Grid Email, Twilio SMS, Payment
- Gateway,
- Error Loggin, API Developement, API Security,
- PostGreSQL/MSSQL/MySQL, MongoDB/CouchDB
- Very good knowledge on REST API
- Good experience in Agile methodologies
- Ability to design and write code complying with coding standards
- and other factors like performance, scalability, reliability,
- reusability, modularity in mind
- You should have strong logical and problem solving skills
- Excellent communication and customer interfacing skills
- AWS certification is nice to have
- Strong proficiency with JavaScript and good to have
- ES6(Typescript) knowledge
- Knowledge of Node.js and frameworks such as Express, Restify
- Understanding the nature of asynchronous programming and its
- quirks and workarounds
- Understanding accessibility and security compliance
- User authentication and authorization between multiple systems,
- servers, and environments
- Integration of multiple data sources and databases into one
- system
- Understanding fundamental design principles behind a scalable
- application
- Competencies and Skills Required
- equires excellent analytical, problem solving, and good
- communications skills
- Must be able to work effectively with business stakeholders
- Strong passion for delivering technical solutions to business
- problems
- Understanding and mindset of Agile software delivery (Ability to
- adapt to continually changing priorities)
- Team player who understands the importance of teamwork and
- collaboration
- Passion for delivering new approaches and challenging the ‘statusquo’
- Hungry to learn and always in search of continuous improvement
Role- Node.js Developer
Job description:
- Nodejs), MySQL, Postgre SQL
- Working experience of GIT
- Will prefer candidates preferred who have knowledge of GraphQL, Typescript
- Well versed and experienced with unit testing, code coverage.
- Well versed with SOILD design principles and its application
- Good to have – some experience with Azure devops and/or azure functions.
- Good knowledge of designing and writing restful API

Core Responsibilities:
- Design and build solutions for complex business workflows
- Understanding the user persona and deliver a slick experience
- Take end to end ownership of components and be responsible for the subsystems that you work on from
- design, code, testing, integration, deployment, enhancements, etc.
- Write high-quality code and taking responsibility for their task
- Solve performance bottlenecks
- Mentor junior engineers
- Deliver with quality, on-time in a fast-paced start-up environment
Required Skills:
- Bachelor/Master's in computer science or relevant fields
- 4+ years of relevant experience
- Strong sense of ownership
- Excellent Java and object-oriented development skills
- Experience in building and scaling microservices
- Strong problem-solving skills, technical troubleshooting and diagnosing
- Expected to be a role model for young engineers, have a strong sense of code quality and enforce code
- quality within the team
- Strong knowledge in RDBMS and NOSQL technologies
- Experience in developing backends for enterprise systems like eCommerce / manufacturing / supply chain etc
- Excellent understanding of Debugging performance and optimization techniques
- Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
- Experience in developing any large scale Experience in cloud technologies
- Demonstrated ability to deliver in a fast-paced environment










