We are looking for a highly capable Node.js/ExpressJS developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.
To ensure success as a Node.js developer, you should possess extensive knowledge of Node.js/ExpressJS based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.
Responsibilities:
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
Qualification:
- Bachelor’s degree in computer science, information science, or similar.
- At least three years’ experience as a Node.js and ExpressJS developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.

About Diginnovators Solution Pvt Ltd
Similar jobs


Requirements / Experience:
- 4-8+ years of PHP application development experience
- Strong Experience using Laravel/CodeIgniter/ Symfonyframeworks
- Strong experience and theoretical knowledge of PHP
- Front end and back end development expertise
- JavaScript (Vue.js, React, node, Typescript, RequireJS)
- Front end frameworks (Bootstrap, Tailwind, etc.)
- Good background with SQL Databases (writing queries, optimization, query builders usage, ORMs)
- API development and documentation (OpenAPI)
- Troubleshooting (ability to react in the most effective manner to eliminate technical issues)
- Solution-Making (ability to propose the most effective technical solutions)
- NoSQL experience is nice to have
- Ability to work on existing live projects and do the modifications as required.
- Ability to work independently and in a team as well
About the role:
We’re looking for a highly skilled and self-driven Node.js Software Development Engineer (SDE-2) to join our team on a contract basis. You’ll be responsible for building scalable backend services and APIs that power our products, with a focus on performance, security, and reliability.
As an SDE-2, you’re expected to take ownership of features end-to-end, mentor junior developers when needed, and contribute to architectural discussions.
Key Responsibilities
- Design, build, and maintain RESTful, gRPC, and/or GraphQL APIs using Node.js
- Write clean, modular, and testable code
- Collaborate closely with product managers, frontend engineers, and DevOps teams
- Optimize existing codebases for performance and scalability
- Integrate with third-party services and internal microservices
- Participate in code reviews and ensure coding best practices are followed
- Write unit and integration tests (e.g., using Jest, Mocha, etc.)
Required Skills & Experience
- 3–5 years of experience building production-grade backend applications
- Strong proficiency in Node.js (Express.js, NestJS, or similar frameworks)
- Solid understanding of JavaScript/TypeScript
- Experience with MongoDB, PostgreSQL, or MySQL
- Experience building APIs that scale — rate limiting, caching, pagination, etc.
- Good understanding of async patterns (Promises, async/await, queues)
- Familiarity with CI/CD, Git workflows, and containerized deployments (Docker)
- Experience working with cloud services (AWS/GCP/Azure)
Nice to Have
- Experience with microservices architecture
- Familiarity with message brokers (Kafka, RabbitMQ, etc.)
- Experience working in Agile or Scrum teams
- Contributions to open-source projects or tech blogs
Based on experience, developers will be involved in building different elements of an online music app. Urgent requirement, immediate hiring will be done.
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.

Requirements
Candidate should have at least 4-6 years of experience in enterprise web application
development using NodeJS on server side along with MongoDB and Express.
Knowledge of RESTful API is a must.
Experience with NodeJS based frameworks (example - NestJS) is highly preferred.
Experience with code optimization as well as has in depth understanding about
asynchronous programming.
Strong analytical skills and can come up with out of the box solutions.
Experience in end to end web development.
Experience with No SQL (Mongo preferred) databases with data migration Strategies
Strong knowledge in Object-Oriented Programming Concepts and Data Structures along with
Node JS best practices.
Experience in Unit Testing in NodeJS (Chai and Mocha) is a must.
Exposure to continuous deployment and integration process.
Exposure with Docker and Orchestration software.
Experience with Redis is added advantage.
Experience with RabbitMQ and Kafka is added advantage
Experience with Nginx and HA Proxy is added advantage
Experience in scalable microservices is must.
Deep in depth understanding about design pattern.
Senior Software Engineer - Payments
MishiPay
Competitive salary, bonus and potential share options
Bangalore
Please read our full advert before applying. You MUST have payments experience.
About Mishipay:
MishiPay (https://mishipay.com/" target="_blank">https://mishipay.com/) was founded in 2015 by Mustafa Khanwala (https://t.sidekickopen87.com/s3t/c/5/f18dQhb0S7kv8cW0B4W4V2M7g2zGCwVW8Jbw_83My4KPW4XXYRz3MqbyWW4Xq_Cl16gGDkf34lRCG01?te=W3R5hFj4cm2zwW4mKLS-3ZWVWBW3K2-zv1JxwY5W1Lyz993_-rybW3z9CQ13QZn51f3zd5DJ04&si=6558133869871104&pi=23656670-1dc8-41be-f0fe-f4c7fec4c64c" target="_blank">/in) bringing the best of the online checkout experience to physical stores.
We do this with our Scan, Pay and Go experience. Using our native apps on Android or iOS, or our web app available on Chrome or Safari, customers scan the products they wish to buy in store using their own phone and pay instantly. This eradicates the need to wait in line or touch store hardware.
As the world’s leading Scan and Go provider, we work with 30+ brands across 15 countries, including names like MUJI, Eroski, Flying Tiger Copenhagen, Spar, Londis and many others. The work is challenging, hard and long and requires you to be on top of your game but if the adventure and journey excite you then this is the place for you. We want to make sure that in exchange for this commitment from our team, we offer them the best package possible in terms of options, salary and bonus linked to the success of the business. You’ll also quickly see the impact of your work as we develop our products and customers
Requirements
We are looking for a Backend Engineer who possesses a passion for pushing mobile technologies to the limits and will work with our team of talented engineers to design and build the next generation of our mobile applications. You’ll play a key part in the development of our products, help to evolve and streamline our tech stack to suit our needs as we grow, and you’ll enjoy working in an environment surrounded by like-minded inspirational individuals.
Ideally we would love you to have Python, but we will also look at Java or other languages. It's essential you have worked as a Backend Engineer in a Payments domain.
Qualifications:
- Ideally, deep expertise with Python programming language and Django + DRF framework to build backend services
- Experience with Node.js and Kafka
- Substantial experience in building complex and scalable solutions using SQL databases
- Hands-on experience of database modelling for any NoSQL databases like MongoDB / Cassandra / DynamoDB or other
- Experience with full backend development life cycle in any programming language on a Linux platform
- Comprehensive operational experience including, optimizations & deployments with Kubernetes
- Experience leading multi-engineer projects and mentoring junior engineers
- Strong object oriented design skills, ability to apply design patterns, and an uncanny ability to design intuitive module and class-level interfaces
- BTech, MTech, or higher in Computer Science or related technical discipline (or equivalent)
You will:
- Take ownership of a functional area from product conception to delivery
- Contribute to engineering requirement documents (ERDs) by defining work breakdown, estimating tasks duration & setting milestones
- Take non-functional requirements (Reliability & Availability, Scale, horizontal scalability) and Tech stack decisions
- Participate in daily agile team stand-ups
- Coach and mentor junior team members
- Own code base & documentation quality
- Actively work to clear maintenance debt as we continue improving our tech
Benefits
Why MishiPay?
You’ll work with an inspirational multi-cultural team, based in our central London HQ, the US and Bangalore, who are redefining the retail industry globally. We offer a tight-knit, collaborative and exciting work environment, coupled with the opportunity to see the apps we develop live in action within some of the world’s largest retailers, impacting the lives of millions of shoppers. You’ll also get:
- Yearly Bonuses and Share Options
- Learning and Development Monthly Allowance
- A chance to be recognised in one of our two monthly award schemes (and win various prizes)
- A new MacBook
- Pitch Training
- Online Fitness Sessions
- Quarterly team-building and fun events for our London office and free lunches in Bangalore!
- Full stack development on cutting edge technology in Fintech domain.
- Ownership of complete backend code.
You should Have :
- Server Side languages knowledge: Node.js and express.js is the first choice, Python, Java
- Server-side programming experience. We prefer ability over experience
- Solid experience working with databases, especially relational DB.
- Solid experience with version control (Git or Bitbucket or SVN).
- B.E. in Computer Science or Graduate/PG degree in Computer Science (this is optional, as we are more interested in your abilities and experience over a paper degree).
- Any experience working with real-time projects in backend with node.js and express.js
Basic Skills/Qualifications
• Master’s/Bachelor’s degree in Computer Science, Computer Engineering (BE/MCA/BCA)
• 5-9 years of strong software design and development experience and building and administering large-scale distributed applications
• Strong communication skills
• Agility and quick learner
• Understanding of the Software development lifecycle
• Good Analytical and problem-solving skills
• Self-motivated with the ability to prioritize, meet deadlines, and manage changing priorities
• Should have a high level of energy working as an individual Contributor and as a part of Team.
• Ability to think out of the box and questioning everything
Technical Skills (Hands On)
• Apply Server-side software development expertise, to design, develop and implement horizontally scalable components with the ability to handle large transaction and query volumes with following experience :
• Backend - NodeJS, Server-Side Events (SSE)
• Programming languages - Typescript, JavaScript
• API – REST, GraphQL
• Databases – MySQL, PostgreSQL
• Additional useful programming languages – Java, Scala
• CI/CD experience with:
• Git/TFS, Containers, Ansible
• Test Driven Development (TDD)
• Real-time or near real-time data pipelines
• BPMN 2.0 (Camunda)
• Knowledge of Design Thinking
• Experience working in short agile release cycles
• Enterprise grade development best-practices for end-to-end interoperability and integration
• Design with operational requirements, and support challenges in perspective

- Relevant industry experience in developing performant and scalable backend systems using Node.js.
- Solid understanding of Core Computer Science, Systems Design and Data Structures & Algorithms.
- Knowledge and experience in the best practices of design and architecture.
- Experience in developing extensible and scalable solutions.
- Experience in implementing automatic assessments associated with the front-end layer, both integration and unit.
- A love for beautiful, clean and maintainable code.

