Lead Backend Developer

Senior Software Engineer

AiSensy  

Gurugram, Haryana, India (On-site)

About AiSensy

AiSensy is a WhatsApp based Marketing & Engagement platform helping businesses like Adani, Delhi Transport Corporation, Yakult, Godrej, Aditya Birla Hindalco, Wipro, Asian Paints, India Today Group, Skullcandy, Vivo, Physicswallah, and Cosco grow their revenues via WhatsApp.

• Enabling 100,000+ Businesses with WhatsApp Engagement & Marketing
• 400 Crores+ WhatsApp Messages exchanged between Businesses and Users via AiSensy per year
• Working with top brands like Delhi Transport Corporation, Vivo, Physicswallah & more
• High Impact as Businesses drive 25-80% Revenues using AiSensy Platform
• Mission-Driven and Growth Stage Startup backed by Marsshot.vc, Bluelotus.vc & 50+ Angel Investors

Key Responsibilities:

• Build Scalable Architecture to handle millions of messages per day.
• Lead a team of engineers and guide them on a day to day basis.
• Collaborate with product managers, designers, and other engineers to define and implement new features and enhancements.
• Write clean, maintainable, and efficient code following best practices and coding standards.
• Conduct code reviews to ensure code quality and adherence to standards.
• Identify and resolve performance bottlenecks, bugs, and other issues.
• Mentor and provide guidance to junior engineers, fostering a culture of continuous learning and improvement.
• Participate in architectural discussions and contribute to the technical direction of the team.
• Stay up-to-date with the latest industry trends and technologies, and incorporate them into our development processes.
• Ensure the security, reliability, and performance of our applications.
• Collaborate with DevOps to streamline the deployment and monitoring processes.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field. Master’s degree preferred.
• Over all 5+ years of experience with proven experience 3+ years as a Software Engineer, with a strong track record of delivering high-quality software products.
• Expertise in the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong understanding of JavaScript and modern JavaScript frameworks.
• Experience with front-end technologies like HTML5, CSS3, and responsive design.
• Strong understanding of software development methodologies, including Agile and Scrum.
• Experience with RESTful API design and development.
• Experience with database design and management, particularly MongoDB.
• Familiarity with cloud platforms such as AWS.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration abilities.
• Experience with version control systems such as Git.
• Knowledge of containerization and orchestration tools like Docker and Kubernetes

Junior PHP Developer (Full-Time)

Malad, Mumbai (Mindspace) | Work from Office

We’re hiring a Junior PHP Developer at Websites.co.in, a platform where small businesses create their website in 2 minutes.

Your role

• Develop and maintain backend logic using PHP (Laravel or Core PHP)
• Write clean, reusable, and efficient code
• Work with MySQL databases (queries, joins, optimization)
• Integrate REST APIs and troubleshoot backend issues
• Collaborate with frontend, QA, and product teams for feature implementation
• Participate in code reviews, testing, and deployment activities
• Debug production issues and provide quick fixes

What we expect

• Hands-on development experience with PHP (mandatory)
• Strong knowledge of MySQL, queries, and database structures
• Understanding of MVC architecture (Laravel preferred)
• Basic knowledge of HTML, CSS, JavaScript
• Familiarity with Git version control
• Problem-solving mindset and willingness to take ownership
• 0–3.5 years of experience (freshers with strong projects are welcome)

Good to have

• Experience working with APIs, JSON, cURL
• Understanding of server basics (Linux, Apache, hosting environments)

What you get

• Real product ownership, not agency project hopping
• Direct collaboration with CTO and senior devs
• Steep learning curve in a fast-moving SaaS environment

Backend - Software Development Engineer II

Experience - 4+ yrs 

About Wekan Enterprise Solutions

Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.

Job Description

We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?

You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects.

Location-Chennai/Bangalore

Basic qualifications:

• Good problem solving skills
• Deep understanding of software development life cycle
• Excellent verbal and written communication skills
• Strong focus on quality of work delivered
• Relevant experience of 4+ years building high-performance backend applications with, at least 2 or more projects implemented using the required technologies

Required Technical Skills:

• Extensive hands-on experience building high-performance web back-ends using Node.Js and Javascript/Typescript
• Min two years of hands-on experience in NestJs
• Strong experience with Express.Js framework
• Hands-on experience in data modeling and schema design in MongoDB 
• Experience integrating with any 3rd party services such as cloud SDKs, payments, push notifications, authentication etc…
• Exposure into unit testing with frameworks such as Mocha, Chai, Jest or others
• Strong experience writing and maintaining clear documentation

Good to have skills:

• Experience working with common services in any of the major cloud providers - AWS or GCP or Azure
• Experience with microservice architecture
• Experience working with other Relational and NoSQL Databases
• Experience with technologies such as Kafka and Redis
• Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies

• Proven experience in any high-level programming languages like Java (Preferably)
• Strong knowledge of data structure, algorithms and coding
• Experience with any Messaging technologies like Kafka or Rab-bitMQ, etc.
• Proven experience in database technologies like NoSQL
• Hands-on experience with Spring, Spring Security, Spring boot, and Hibernate framework.
• Working knowledge of developing Restful Micro services.
• Strong analytical, problem-solving skills.
• Attend team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.
• Ability to understand the Platform/domain of the business in detail & Ability to multi-task.
• Good communication and organizational skill

https://www.oziva.in/">OZiva is India's leading clean, plant based nutrition brand, combining modern science and ancient Ayurveda. We aim towards driving the paradigm shift from curative health care to preventive healthcare by focusing on the two fundamental pillars of fitness - nutrition and exercise.

OZiva is a startup founded by IIT, INSEAD and Mumbai University alumni with an existing vision to help people lead a healthier and better lifestyle.

We run a powerful, high impact, fast paced operation with cutting edge technology and good old-fashioned passion for making people healthier and fitter.

• Work with product managers to understand product requirements and make them live.
• Ownership of end to end development

• Startup mindset of getting things done and focussing on business goals
• Proven problem solving skills
• 3+ years Hands on experience in designing and developing applications using server side technology (Java, Spring Boot / Node.js, Express)
• Excellent knowledge of Relational Databases, SQL and ORM technologies
• Good knowledge of design patterns
• Proficiency in REST architecture
• Experience with test-driven development
• Experience with Git/CI/CD/Gradle/Maven
• Inclination towards writing quality and performant code

• Experience in Agile development
• Performance tuning, testing, refactoring and automation
• Experience working with AWS Cloud and Devops technologies (terraform , cloudformation, ansible)
• Experience running a production environment

Responsibilities:-

• Produce clean, efficient code based on specifications
• Integrate software components and third-party programs
• Verify and deploy programs and systems
• Troubleshoot, debug and upgrade existing software
• Gather and evaluate user feedback
• Recommend and execute improvements
• Ensure highest standard of performance, quality, and responsiveness of the applications.

Requirements:-

• Overall 3-7 years of software engineering experience working with web applications and backend systems.
• At least 2 years of experience in production environment working with Ruby on Rails along with common libraries such as RSpec, Sidekiq, Redis.
• Strong understanding of concepts like MVC, ORM, and RESTful
• Strong understanding of Object Oriented Programming fundamentals.
• Strong understanding of server-side templating languages like SLIM and CSS pre-processors like SASS.
• Basic understanding of front-end technologies such as JavaScript, HTML5, and CSS3.
• Strong experience working with Linux like Operating Systems and shell environments like Bash, ZSH.
• Strong knowledge of integrating multiple databases into one system.
• Basic understanding of systems architecture and fundamental design principles behind a scalable web application.
• Ability to understand business requirements, derive database schemas and translate them into technical specifications and code.
• Strong hands on experience of Relation Databases like PostgreSQL, MySQL with ability of benchmarking and performance optimisation.
• Strong knowledge of any NoSQL database like MongoDB.
• Strong experience practicing TDD and writing test cases to achieve highest code coverage.
• Experience working with search engines like Elasticsearch, Solr is a plus.
• Experience integrating third party software and payment gateways is a plus.
• Experience deploying applications to cloud and setting up CI/CD is a plus.
• Experience building container images using tools like Docker is a plus.
• Experience with any popular JavaScript frameworks like React JS, Angular JS is a plus.
• Ability to learn new languages and technologies.

Job Description :

Our goal is to hire an individual Mid/Senior web developer, who is capable of working independently and accepting guidance from senior leads. Responsibilities are centered around helping the maintenance and ongoing development of our existing platform.

We are looking for a motivated, intelligent individual with a passion for information technology, who can hit the ground running within our existing systems.

Specific responsibilities include:

Develop and improve website functionalities to facilitate online experience through custom programming and installing third-party API solutions.

Work closely with internal teams to ensure the development of sites and applications meet business needs and standards.

Maintain the current websites for smooth functionalities.

Qualifications:

3 years+ experience in website development using HTML, CSS, Javascript, JSON and Ajax.

2 years+ experience with MySQL and PHP

Familiarity with responsive design.

Bachelor’s degree in Computer Science or equivalent degree.

Be able to learn new programming/scripting languages.

Version control (Git etc.)

You need to be self-motivated, reliable, organized, details and results-oriented. We value work ethic and integrity.

About the Role

The Engineering team in Bangalore, India is building products for the Martial Arts

fans across the world. As part of the engineering team, you would be expected to have

deep technology expertise with a passion for building highly scalable products.

This is a unique opportunity where you can impact the lives of people across 150+

countries!

Responsibilities

Own architecture, design, development, and implementation of different

modules/features of the services

Design, develop, deploy and support web applications.

Discover opportunities for performance improvements

Recommend ways to improve reliability, efficiency and code quality

Focus on continuous delivery and reducing complexity

Carry out code reviews and manage pull requests

Build applications based on micro-services architecture.

Requirements

Overall 1~3 years of experience in Backend development.

B. E/B. Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,

IIITs or equivalent)

Strong object oriented design skills & knowledge of design patterns

Experience designing & developing distributed systems involving multiple web

services, databases (both SQL and NoSQL), caches, queues, etc. taking into

consideration scalability, availability, fault tolerance, consistency, etc. of the

overall system

Well-aware of and enforces development best practices: Unit Tests, Code Reviews,

Integration Tests, CI/CD, Monitoring, Alerting, etc.