Backend Developer - Node.js | MySQL

WHAT YOU'LL WORK ON

• Design and implement scalable APIs and microservices using Node.js & Express
• Manage deployments via GitHub Actions and CodeDeploy; work with Docker & AWS
• Optimize MongoDB queries and use Redis caching for high-concurrency traffic
• Bridge Figma designs to backend logic using Next.js and Tailwind CSS
• Maintain monitoring with Nginx & PM2 to ensure 99.9% uptime

WHAT WE'RE LOOKING FOR

• 1+ year of professional experience building and maintaining production applications
• Deep Node.js knowledge: async programming, RESTful API architecture
• MongoDB mastery: schema design, indexing strategies, complex aggregation pipelines
• Hands-on AWS (EC2/S3 minimum) and practical CI/CD pipeline experience
• Proven ability to take a feature from PRD / Figma to stable production deployment

WHAT WILL MAKE YOU STAND OUT

• Experience maintaining apps with high concurrent user counts
• Comfortable with Nginx configs and Dockerfiles
• Hands-on with payment gateway integration (Cashfree) and webhook handling
• Obsession with maintainable, well-documented, DRY code

AI Usage Policy:

AI tools (Cursor, Copilot, GPT-4) are force multipliers — use them. But you must own your code, reason hrough architectural trade-offs, and debug without relying solely on AI.

HOW TO APPLY:

• Tell us about the most complex bug you've solved or a backend system you built from scratch
• Share your GitHub profile
• Include at least two live project links showcasing your best work
• Your code will directly impact the learning outcomes of thousands of students.

Hybrid / On-site (Bangalore)

What is the role?

Xoxoday is looking for a candidate who has a strong background in the design and implementation of scalable architecture and a good understanding of Algorithms, Data structures, and design patterns. Candidates must be ready to learn new tools, languages, and technologies. We are offering hybrid / remote options as well.

Basic Qualifications:

• At least 4 -7 years of experience as a software developer.
• At Least 3 years of experience in .net core C#, AWS stack, MS SQL Server, MVC, NodeJS experience is a plus
• Strong working knowledge in distributed event-driven messaging architecture/platform
• Strong knowledge in data access layer especially ability to work with stored procedure
• Established and stimulated software development standards and processes along with best practices for delivery of scalable and high-quality software.
• Production experience with AWS stack
• Fluent English speaker

Preferred Qualifications:l

• Experience working with OOP languages.
• Experience designing and developing Microservices and SOA.
• Experience working with AWS Kinesis, Lambda, SQS, S3, ElastiCache, ElasticSearch, Kubernetes, EventBridge, RDS, CloudWatch, APIGateway
• Experience designing and building high-performance scalable web services.
• Experience in REST API design and implementation.
• Experience in unit testing, test automation, and continuous delivery.
• Experience with stream-processing and message-broker software.

Nice to have:

• Experience working with distributed teams.
• Ability to work independently and as part of a team.
• Ability to work quickly toward tight deadlines, and make smart tradeoffs between speed, accuracy, and maintainability.
• Bachelor's or Master's degree in computer science (or equivalent professional experience).

A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality of content, interact, and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

Xoxoday is a rapidly growing fintech SaaS firm that propels business growth while focusing on human motivation. Backed by Giift and Apis Partners Growth Fund II, Xoxoday offers a suite of three products - Plum, Empuls, and Compass. Xoxoday works with more than 2000 clients across 10+ countries and over 2.5 million users. Headquartered in Bengaluru, Xoxoday is a 300+ strong team with four global offices in San Francisco, Dublin, Singapore, New Delhi.

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.

Job description

1.Minimum 1-2 Years of Experience in Web Application Development.

2.Knowledge of PHP web frameworks including Laravel and Codeigniter is a plus.

3.Knowledge of front-end technologies including JavaScript, AJAX is a plus.

4.Understanding of object-oriented PHP programming.

5.Previous experience creating scalable applications.

6.Exposure to code versioning tools including Git, Mercurial, CVS and SVN.

7.Familiarity with SQL Databases is a plus.

8.Good logical and analytical skills.

Key Performance Indicators:

1.Collaborate with team members to determine best practices and client requirements for software development.

2.Solve complex performance problems and architectural challenges.

3.Write “clean”, well-designed code.

4.Good understanding of data structures & algorithms and their space & time complexities.

5.Strong technical aptitude and a good knowledge of CS fundamentals.

About Bynaric Systems:

We are a young, IT / EdTech small start-up having a strong presence in Institutional ERP product market; we build everything around “People”. A Team of agile software engineers addicted to new technologies, love programming and inclined towards new technologies. Work/life balance is a priority for us, with a Strong Roadmap, we are on a growth path and looking for a passionate, self-starter.

Interested applicants share your resume at hrbynaric.in

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

1. At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
2. Excellent hands-on experience using MySQL or any other SQL Database.
3. Good knowledge of MongoDB or any other NoSQL Database.
4. Good knowledge of Redis, its data types, and their use cases.
5. Experience with graph-based databases like GraphQL and Neo4j.
6. Experience developing and deploying REST APIs.
7. Good knowledge of Unit Testing and available Test Frameworks.
8. Good understanding of advanced JS libraries and frameworks.
9. Experience with Web sockets, Service Workers, and Web Push Notifications.
10. Familiar with NodeJS profiling tools.
11. Proficient understanding of code versioning tools such as Git.
12. Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
13. Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
14. Experience building a large scale social or location-based app.

Job Description:

• Strong Experience of Node JS.

• Strong Experience of Reactjs development

• Experience in Server-side application architectures like Express.js, Meteor.Js, etc. is desirable.

• Experience in developing APIs is highly desirable.

• Experience in Mongo or MySQL database is a must.

• Understanding the nature of asynchronous programming and its quirks and workarounds.

• Understanding fundamental design principles behind a scalable application.

• Experience in delivering products using an Agile methodology is highly desirable.

• Experience with automated unit, integration and end-to-end testing is highly desirable.

• Experience in the area of network or systems management is a plus.