Sr. 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

Job Overview :

We are looking for a skilled Node.js Developer to join our team. You will be responsible for developing and maintaining server-side applications, APIs, and services, ensuring high performance, scalability, and reliability.

Responsibility :

-Develop Backend Services: Build and maintain server-side applications using Node.js.

-API Integration: Develop and integrate RESTful APIs.

-Database Management: Work with databases (SQL/NoSQL) for efficient data storage and access.

-Optimize Performance: Ensure the application is optimized for speed and scalability.

-Debugging and Troubleshooting: Identify and resolve issues in the backend system.

-Collaboration: Work with front-end developers to ensure seamless integration between server-          side and client-side systems.

Education :

- Bachelor’s degree in Computer Science, Engineering, or a related field.

Ready to take the next step in your career? Submit your application today and become a part of our innovative team at Rayvat (Jenya) Outsourcing. We look forward to meeting you!

Job Title: Backend Developer

Experience: 2–7 Years

Location: On-site – Bangalore

Employment Type: Full-Time

Company: Pepsales AI (Multiplicity Technologies Inc.)

About Pepsales

Pepsales AI is a real-time sales enablement and conversation intelligence platform built for B2B SaaS sales teams. It empowers sellers across every stage of the sales cycle—before, during, and after discovery calls—by providing actionable insights that move deals forward. 

• For Account Executives: Pepsales AI transforms the discovery process, ensuring objective deal qualification and frictionless handoffs to solution engineers—enabling AEs to focus on winning, not chasing.
• For Solution Engineers and Consultants: It elevates demo experiences by delivering real-time buyer context and actionable insights, ensuring every interaction is highly personalized and impactful.
• For Sales Leaders: It provides enterprise-grade intelligence across forecasting, pipeline health, team performance, coaching, and the authentic voice of the customer—empowering data-driven decision-making at scale.

With Pepsales AI, sales teams run sharper meetings, accelerate deal cycles, and close with confidence.

Role Overview

We’re seeking a passionate Backend Developer to join our fast-paced team in Bangalore and help build and scale the core systems powering Pepsales. In this full-time, on-site role, you’ll work on high-impact features that directly influence product innovation, customer success, and business growth. 

You’ll collaborate closely with the founding team and leadership, gaining end-to-end ownership and the chance to bring bold, innovative ideas to life in a rapidly scaling startup environment

Key Responsibilities

• Design, develop, and maintain scalable backend systems and microservices.
• Write clean, efficient, and well-documented code in Python.
• Build and optimize RESTful APIs and WebSocket services for high performance.
• Manage and optimize MongoDB databases for speed and scalability.
• Deploy and maintain containerized applications using Docker.
• Work extensively with AWS services (EC2, ALB, S3, Route 53) for robust cloud infrastructure.
• Implement and maintain CI/CD pipelines for smooth and automated deployments.
• Collaborate closely with frontend engineers, product managers, and leadership on architecture and feature planning.
• Participate in sprint planning, technical discussions, and code reviews.
• Take full ownership of features, embracing uncertainty with a problem-solving mindset.

Required Skills & Qualifications

• 2–7 years of backend development experience with a proven track record of building scalable systems.
• Strong proficiency in Python and its ecosystem.
• Hands-on experience with MongoDB, Docker, and Microservice Architecture.
• Practical experience with AWS services (EC2, ALB, S3, Route 53).
• Familiarity with CI/CD tools and deployment best practices.
• Strong understanding of REST API design principles and WebSocket communication.
• Excellent knowledge of data structures, algorithms, and performance optimization.
• Strong communication skills and ability to work in a collaborative, fast-paced environment.

What We Value

• Excitement to work on cutting-edge technology and platforms , helping redefine how businesses engage and convert customers.
• Thrives in a dynamic startup environment that values diversity, rapid innovation, and a growth mindset—adapting to change, challenging the status quo, and making a real impact.
• Passion for ownership beyond coding, contributing to product strategy and innovation.

Why Join Pepsales?

• Direct access to founders and a voice in high-impact decisions.
• Opportunity to shape a next-gen AI SaaS product transforming sales worldwide.
• Exposure to cutting-edge technologies in a rapidly growing startup.
• Ownership-driven culture with fast career growth and learning opportunities.
• A collaborative, innovation-driven environment that values creativity and problem-solving.

Key Responsibilities:

• Design, develop, and maintain robust backend services using Core Java and Spring Boot
• Develop and optimize queries in MongoDB, including aggregation and indexing
• Build RESTful APIs and integrate third-party services
• Write clean, maintainable, and scalable code following best practices
• Collaborate with cross-functional teams to gather and implement requirements

Required Skills:

• 5+ years of experience in Core Java
• Strong expertise in Spring Boot (REST APIs, Security, Data)
• Hands-on experience with MongoDB (CRUD operations, schema design)
• Experience with Microservices architecture

Rejolut is one of the award-winning fastest-growing emerging tech company which is working on leading technology like Blockchain, ML & AI, Complex mobile & web apps, IoT, etc.

The ideal candidate will be responsible for developing a highly scalable and secure code.

Responsibilities:-
- Able to take the Extreme Ownership of modules/product/projects
- Able to learn & implement new technology/framework/library at God Speed
- Able to come with an optimal solution for the business problem
- Can handle calls with the client & customer to know their feedback
- Writing clean code & able to dig into other's code or open-source code.

Desired Candidate Profile:-
- Good problem-solving skills are a must

- Expertise in Node.js development, Javascript (hands-on Experience )
- Exposure to developing APIs with Node JS
- Knowledge of Node.js and frameworks available for it such as Express, sails.js, StrongLoop, etc
- Knowledge of SQL and NoSQL database
- Knowledge of tools like Docker, Git, Postman, JSdocs, etc.
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Added advantage (Python or Ruby or Golang)
- Self-motivated and able to drive the team
- Good communication and interpersonal skills
- Experience in working in fintech is a plus

 How we are different 
 -We are a young and dynamic team who are obsessed with solving the business problem at scale.   

-We are a technology agnostic company that focuses more on finding the optimal solution to the business problem rather than technology.

 Why join us
 - We provide a huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career.
- We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
- There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of times and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz.
- Get mentored by the best in the industry
- Flexible working hours
- Perks best in the industry

We are seeking extremely smart programmers who are gung ho about building large scale systems that are going to have a big impact on millions of customers.

Responsibilities:

• Design and develop products by working closely with business team.
• Gain experience with hands on coding and independent ownership of software components.
• Build performant, scalable, enterprise ready back end architectures that can support millions of users in parallel.
• Follow strong engineering best practices and champion their adoption.

Requirements:

• 2+ years’ experience in software product development and delivery.
• Bachelors or Masters degree in engineering from a reputed institute(preferably IITs, NITs, or other top engineering institutes).
• Strong grasp of CS fundamentals, algorithms and excellent problem solving abilities.
• All experience should be from good product development or e-commerce background.
• Must have shown good stability in all your previous associations.
• Have strong backend knowledge and cloud development exposure.
• Expert at Java, Spring boot, Hibernate, REST API development.
• Worked with at least 1 RDBMS (Mysql preferred). NoSql is a plus.
• Have used or are very hands-on with Microservices, Docker, Kubernetes, Gradle/Ant, Kafka, GIT/bitbucket in a very agile work place.
• Writing high quality code which is made better by unit tests and integration tests is how you work.
• Comfortable with exploring proven open source tech stack like Grafana, Kibana, Jira, Prometheus, caches like Redis/Memcached, task queues like celery, to name a few.
• Knowledge of test driven development and AWS tech stack will be a good plus.

• Minimum 2 years of experience in Core PHP , and hands on experience in any MVC Framework. 
• Should have hands on experience or knowledge in PHP Frameworks like Codeigniter/ Laravel/ CakePHP/ Yii . 
• Should have knowledge about OOPS Concept. 
• Good knowledge in HTML, AJAX, JQuery & MYSQL.
• Minimum 2 years of experience in Core PHP , and hands on experience in any MVC Framework. 
• Should have hands on experience or knowledge in PHP Frameworks like Codeigniter/ Laravel/ CakePHP/ Yii . 
• Should have knowledge about OOPS Concept. 
• Good knowledge in HTML, AJAX, JQuery & MYSQL.

About us:

Strata is a commercial real estate investment platform that offers investors the opportunity to invest in pre-leased commercial assets such as offices, warehouses, and retail spaces across India.

We are one of the fastest-growing PropTech platforms in India and are backed by Elevation Capital, Mayfield, Kotak Investment Advisors, Gruhas (a venture by Nikhil Kamath of Zerodha) and DLF Family Office.

Our headquarter is in Bangalore, India.

We are a small yet close-knit team of 35+ people.

About you:

You have a knack for product and strongly equipped with engineering skills to make it a reality. You don’t jump into implementation unless you have clearly understood the problem/requirements and have a written design. You don’t hesitate asking questions and giving critical reviews while respecting others’ opinions. You are a fearless engineer, and not afraid to fail, not on production though ;) You have a strong sense of ownership. You have a startup experience. You don’t feel annoyed if required to work on off days in case of production incidents (no development).

Your responsibilities:

You will primarily work on the backend maintaining the existing platform and writing new enhancements and features. Apart from your own features, as a senior member of the team you will be expected to be actively involved in overall design discussions and peer code reviews. You will factor in extensibility, maintainability, scalability and security in designs and code. You will ensure that best engineering practices are followed. You will support your team members when they are facing challenges, and mentor them when appropriate. You will strive for overall engineering excellence.

Must-have Skills:

• 4-8 years of total experience
• 2+ years of experience in Django and DRF. You must be pro at it. The team will be looking up to you for making most out of DRF.
• Designing and building  scalable web applications
• Good understanding of REST principles
• SQL database design and queries
• Working knowledge of AWS

Good-To-Have Skills:

• Angular or any other JavaScript frontend framework
• Designing microservices
• DevOps experience

FAQ's.

1. Your technology ingredients?

Programming languages:
Our backend is written in Python using Django framework. And the frontend is in AngularJS. Currently there is no mobile app.

Infrastructure:
We are an AWS shop and use their services for most needs, Docker for containerization and ECS as orchestrator, RDS as database, S3 for storage and SQS as messaging backend.

Other tools:
BitBucket for Git and CI/CD pipeline, Trello for project management; and Google Meets and Slack for communication.

2. Your hiring plan?

Currently the engineering team comprises of 3 engineers, and we plan to grow it to 8 by the end of 2021.

3. Your Interview process?

We will try to finish the process within two weeks. In case we can’t go ahead with  your candidature, we will clearly and immediately let you know. But in case of competing applications, we may request you to wait for a week or two.

1. 15 minutes introductory call to discuss requirements and expectations
2. 30 minutes online coding assignment on a screen sharing session
3. 1 hour technical interview covering problem solving, code review and aptitude
4. 15 minutes call with co-founder for final discussion

In case of inability to come to a conclusion from either side, we may go for an additional round.

4. Your WFH and WFO policy?

Due to Covid-19 the team is working from home and will continue till March-2022. After that we will work from the Bangalore or Pune office (yet to be finalised). You should be open to relocate to any of the cities.

5. Your funding status?

In March 2020, Strata raised $1.5 million in seed funding; and $6 million in Series-A in July 2021.