Backend Developer - Node.js

Company Description

NonStop io Technologies, founded in August 2015, is a Bespoke Engineering Studio specializing in Product Development. With over 80 satisfied clients worldwide, we serve startups and enterprises across prominent technology hubs, including San Francisco, New York, Houston, Seattle, London, Pune, and Tokyo. Our experienced team brings over 10 years of expertise in building web and mobile products across multiple industries. Our work is grounded in empathy, creativity, collaboration, and clean code, striving to build products that matter and foster an environment of accountability and collaboration.

Role Description

This is a full-time hybrid role for a Java Software Engineer, based in Pune. The Java Software Engineer will be responsible for designing, developing, and maintaining software applications. Key responsibilities include working with microservices architecture, implementing and managing the Spring Framework, and programming in Java. Collaboration with cross-functional teams to define, design, and ship new features is also a key aspect of this role.

Responsibilities:

● Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications 

● Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions 

● Code Reviews: Participate in code reviews to maintain high-quality standards 

● Troubleshooting: Debug and resolve application issues in a timely manner 

● Testing: Develop and execute unit and integration tests to ensure software reliability

● Optimize: Identify and address performance bottlenecks to enhance application performance 

Qualifications & Skills:

● Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA 

● Familiarity with RESTful APIs and web services 

● Proficiency in working with relational databases like MySQL or PostgreSQL 

● Practical experience with AWS cloud services and building scalable, microservices-based architectures

● Experience with build tools like Maven or Gradle 

● Understanding of version control systems, especially Git 

● Strong understanding of object-oriented programming principles and design patterns 

● Familiarity with automated testing frameworks and methodologies 

● Excellent problem-solving skills and attention to detail 

● Strong communication skills and ability to work effectively in a collaborative team environment 

Why Join Us? 

● Opportunity to work on cutting-edge technology products 

● A collaborative and learning-driven environment 

● Exposure to AI and software engineering innovations 

● Excellent work ethic and culture 

If you're passionate about technology and want to work on impactful projects, we'd love to hear from you

Preferred Qualifications

• Bachelor's degree in Engineering with specialization in Computer science or related field
• 4-10 years of experience as a software engineer in a product development setting
• Deep experience in Python with demonstrated ability to build modern products
• Experience in designing APIs and integration patterns, implementing secure and sustainable products with a focus on quality and scalability
• Experience in FastAPI, Django, or equivalent
• Experience in data modeling and efficient usage of PostgreSQL, MySQL, MongoDB, or equivalent
• Experience with modern components like async python, pedantic, sqlalchemy, alembic, celery, google products API integration, etc. is a plus
• Understanding of CI/CD practices including code check-in policies, automated unit tests, automated code deployments, etc.
• Experience in other programming languages is a plus, especially Javascript and/or Typescript
• Experience building feature-rich and scalable web apps is a plus
• Ability to grasp new technologies and use them effectively to create industrial-strength software

• At least 4 years of experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Mandatory experience in MongoDB and MySql.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.

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:

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

At Upswing, we are a passionate and self-driven team of thinkers who aspire to build the rails to connect the legacy financial sector with financial innovators through a simple and powerful banking-as-a-service (BaaS) platform.

We’re building our platform putting the focus on pragmatism, reliability, and maintainability. We believe that keeping the engineering complexity under control is key to preserving the development productivity and long-term evolution of a platform.

To bring this vision to life, we are building the infrastructure using Microservices architecture using the latest set of technologies that are also fun to work with such as Java, Scala, Postgres, Akka, Kafka with a completely automated DevOps pipeline from the get-go using tools like Chef, Jenkins, Grafana, Graylog.

We are looking for motivated engineers who will be working in a highly creative and cutting edge technology environment to build a world-class financial services suite.

Why you should join us:

• You will redefine the financial services landscape for India in the coming years.
• Be part of a core Engineering team that will create innovative and scalable Fintech solutions.
• Work with passionate and experienced engineering, product & business workforce that believes in teamwork, and that helps fast-track your learning on solving complex technical challenges.
• We are funded by the leading fintech VC `QED Investors` and other established Founders and Executives of awesome Indian companies.

What you will do if you join us:

• Propose solutions to solve complex system architecture challenges and actively lead the end-to-end development of the system.
• Create robust, flexible, consistent, and easy-to-use APIs
• Continuously strive for performance improvements, code reusability, and readability

You should have:

• Tech or a higher degree in computer science or a related field.
• 1+ years of experience working on the back-end development for complex distributed systems who are willing to adopt any Programming language as per the requirement.
• Familiarity with any of the following – Java, C++, Scala, Kotlin, and frameworks like Spring, Play, Hibernate, Django, etc.
• Good understanding of Algorithms, Data Structure, OOP, Design patterns, Parallel programming, Multithreading concepts & Event-Driven Systems.
• Experience with Relational databases such as MySQL, PostgreSQL, Oracle, or any NoSQL database.

It’s a plus if you have:

• Familiarity with cloud platforms like AWS, Azure, or Google Cloud
• Worked on Micro-services architecture

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. 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 front-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.

• Integration of user-facing elements developed by front-end developers with server side logic
• Writing reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection