Senior Backend Engineer

Job Title: Backend Engineer – SDE II

Location: Delhi

Employment Type: Full-Time

About the Role:

We are looking for a passionate and experienced Backend Engineer (SDE II) to join our growing team. As a core backend contributor, you'll be responsible for building scalable, secure, and high-performance backend systems. You’ll collaborate closely with product, DevOps, and frontend teams to deliver best-in-class technology solutions.

Key Responsibilities:

• Design, develop, and maintain robust backend systems using Golang and PostgreSQL.
• Build and manage scalable microservices and APIs for high availability and performance.
• Ensure secure authentication and authorization using AWS services.
• Work with Docker, Kubernetes (EKS) to build and deploy containerized applications.
• Implement messaging and real-time systems using Kafka and WebSocket's.
• Maintain best practices in performance tuning, monitoring, and CI/CD.
• Collaborate with cross-functional teams to gather requirements and translate into technical solutions.
• Write clean, maintainable, and well-tested code.
• Contribute to architectural decisions and code reviews.

Required Skills & Qualifications:

• Bachelor's degree in Computer Science, Engineering, or related field.
• Proficiency in Golang and strong experience with PostgreSQL.
• Solid understanding of AWS Cloud, EKS, and Kubernetes.
• Hands-on experience with Docker and container orchestration tools.
• Strong experience in building and maintaining RESTful APIs and real-time systems using Kafka/WebSocket.
• Expertise in building and scaling microservices-based architecture.
• Good understanding of Go concurrency and parallelism.

What We Offer:

• Opportunity to work in a fast-paced, innovative environment.
• Flexible work culture and flat team structure.
• Competitive salary and benefits.
• Work with cutting-edge technologies and a highly talented team.

Responsibilities:

 Develop and maintain high-quality, scalable, and efficient Java codebase for our ad-serving platform.

 Collaborate with cross-functional teams including product managers, designers, and other developers to

understand requirements and translate them into technical solutions.

 Design and implement new features and functionalities in the ad-serving system, focusing on performance

optimization and reliability.

 Troubleshoot and debug complex issues in the ad server environment, providing timely resolutions to ensure

uninterrupted service.

 Conduct code reviews, provide constructive feedback, and enforce coding best practices to maintain code quality

and consistency across the platform.

 Stay updated with emerging technologies and industry trends in ad serving and digital advertising, and integrate

relevant innovations into our platform.

 Work closely with DevOps and infrastructure teams to deploy and maintain the ad-serving platform in a cloud- based environment.

 Collaborate with stakeholders to gather requirements, define technical specifications, and estimate development

efforts for new projects and features.

 Mentor junior developers, sharing knowledge and best practices to foster a culture of continuous learning and

improvement within the development team.

 Participate in on-call rotations and provide support for production issues as needed, ensuring maximum uptime

and reliability of the ad-serving platform.

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 building a global content marketplace that brings companies and content creators together to scale up content creation processes across 50+ content verticals and 150+ industries. Over the past 2.5 years, we’ve worked with companies like India Today, Amazon India, Adobe, Swiggy, Dunzo, Businessworld, Paisabazaar, IndiGo Airlines, Apollo Hospitals, Infoedge, Times Group, Digit, BookMyShow, UpGrad, Yulu, YourStory, and 350+ other brands.

We are creating high-quality remote talent workforces across Content Writers, Graphic Designers, Video Makers, Content Strategists, Audio Artists, and eventually aim to cover each and every creative professional involved in the marketing domain. Imagine us being able to build virtual marketing teams for any company globally, by providing them a product that solves for content operations and gives the customer the ability to strategize, create, distribute and manage all their content projects at one place. At the same time, they have the ability to be able to extend their team by being matched with high-quality creators from our talent marketplace for different projects that they have. It isn’t long before content becomes so fundamental to individuals and brands alike, that there is a need for buying and selling content on-demand. We want to be that force of change!

Responsibilities: -

• We are looking for solid senior back-end developers who are well-versed with NodeJs.
• The tech stack on the back end side - MySQL, Postgres, Redis, Node, TypeScript, Express, Knex.
• We are looking at folks who have a minimum of 6-7 years of experience in back-end development and have been strong experience.
• The mindset is very different and we are looking for folks who have evolved fast in terms of skills and in terms of working on their own projects.

We’re looking for a Ruby on Rails Software Engineer/Shopify App Developer who has experience working with the Shopify platform and is able to work on a Shopify app.

Your Daily Challenges

When we welcome you aboard we’ll introduce you to your Team, which consists of a front-end developer, a Shopify App Marketer who grew 2 apps to million dollar annual revenue, and a product manager.

These are the people you’ll work closely with on Product development day-to-day. Once you get settled in and learn more about the team, your day to day activities will look something like this:

1. Own the end-to-end development cycle for the Shopify app you’ll be working on.
2. Coordinate with fellow developers to get things done on time. 
3. Implement high quality code in an agile, test driven development environment
4. Review exception reports to identify and fix bugs
5. Development of new apps and features
6. Maintenance of existing features
7. Collaboration with cross-functional teams
8. Contributions of ideas to improve the product

Your Experience

1. 3-5 years of experience with Ruby on Rails
2. Experience with Shopify app development
3. Familiar with Sidekiq, PostgreSQL
4. Good understanding of HTML and CSS (positioning and styling)
5. Excellent communication skills
6. Takes pride in writing clean, organized, efficient code
7. An eye for detail
8. Experience with vanilla JavaScript and React a plus
9. Experience working in an entrepreneurial/startup environment

Your Compensation

1. The compensation range for this role is INR 14-18 LPA (~25K USD) + up to 5% equity.
2. The compensation varies with experience and qualifications. 
3. This is a full-time remote/work from home position.

Thanks for the time you took to read about this opportunity.

Node  js

Job Description

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the client. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the client end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Roles and Responsibilities 

• Integration of user-facing elements developed by front-end developers with server-side logic.
• Writing reusable, testable, scalable, and efficient code.
• Design and implementation of low-latency, high-availability, and high-performance applications.
• Implementation of security and data protection.
• Integration of data storage solutions { databases, key-value stores, blob stores, etc.}
• Familiarity with database Technology Such as MySQL, Oracle, and MongoDB. 

Desired Candidate Profile 

• Strong proficiency with JavaScript
• Knowledge of Node.js and frameworks available for it {such as Express etc }
• Knowledge of Micro Services Architecture and API Gateway.
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• Good understanding of server-side templating languages {such as PUG, Jade, EJS, etc }
• Good understanding of server-side CSS preprocessors {such as SCSS, SASS, etc }
• Basic understanding of front-end technologies, such as HTML5, CSS3, and DOM manipulation.
• 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
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Strong knowledge of Linux operating systems such as Ubuntu, CentOS.
• Basic knowledge of Cloud machines such as Elastic compute.
• Basic knowledge of Cloud Storage such as AWS S3, etc

Requirements

• 2-5 years of experience as a back-end developer
• Expertise with Java 1.8 and React JS
• Understanding of OOPS concepts, Design Principles, and implementations of different types of Design Patterns.
• Should have a strong acumen in Data Structures, Algorithms, problem-solving.
• Experience in Microservices
• Extensive experience in developing Web Services APIs using RESTful API design
• Comfortable writing Unit Test Cases
• Good to have experience/knowledge of
  • Docker,
  • Scala,
  • Python, and
  • AWS and other Cloud platforms
• Able to connect the dots between code and business value

Responsibilities

• Engage in high-level conversations about business strategy and the role tech plays in it
• Write well-designed, testable, and efficient code that powers our application
• Write specs and do planning for everything we build
• Conduct application analysis, testing, and debugging
• Diligently document code to keep it clean and transparent
• Ensure cross-browser and device compatibility

You Are

• You believe it’s always on you to make sure anything you do is a success.
• You have the ability to make quick and effective decisions.
• In love with a challenge. You revel in solving problems and want a job that pushes you out of your comfort zone.
• Open to change. You’re inspired by the endless ways in which everything we do can always be improved.