Sr. MERN Stack Developer

Job Title: Full Stack .NET Developer

About the Role

We’re seeking a skilled Full Stack .NET Developer to build and maintain scalable web applications using the Microsoft .NET ecosystem and modern front-end frameworks. You’ll collaborate with cross-functional teams to deliver high-quality, performance-driven software solutions.

Key Responsibilities

- Design and develop web applications using ASP.NET Core / .NET 6+.

- Build and consume RESTful APIs and integrate third-party services.

- Create responsive UIs with Angular / React / Blazor.

- Work with SQL Server / PostgreSQL / MySQL for data modeling and queries.

- Implement authentication and authorization (JWT / OAuth / Identity Server).

- Collaborate with QA, DevOps, and Product teams for smooth releases.

- Participate in code reviews, agile sprints, and troubleshooting.

Required Skills & Qualifications

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

- 3+ years of full-stack experience with .NET (C#).

- Strong in ASP.NET Core MVC / Web API, Entity Framework Core, and LINQ.

- Proficient in HTML5, CSS3, JavaScript, TypeScript, and Angular / React / Blazor.

- Experience with SQL databases, Git, and CI/CD pipelines (Azure DevOps).

- Knowledge of cloud platforms (Azure / AWS) is a plus.

- Excellent problem-solving and communication skills.

• Hands-on expertise in managing technical teams and work closely with business stakeholders
• Should be familiar with card testing and POS ecosystem.
• Experience with designing APIs and building platform integrations in Commerce, POS, FinTech and Payments
• Payment’s domain experience.
• Extensive experience on Base24 & SWITCH part for payment format.
• Exposure on ISO8583 Messaging system.
• API understanding and creation.
• Working knowledge on cryptographic algorithms (RSA, EC, AES, SHA variants), TLS/SSL protocols. C Symetric and A symetrics, K.M.S.
• Digital Payments technical knowledge - QR/ POS/ UPI/ BQR
• Understanding of CI/CD pipelines, Kubernetes, containerization, Docker
• Must have strong technical skills in Android APK and iOS development Concept and Web services.
• Supportability, monitoring, ops in general.
• Accurate cost models to deploy and operate
• Extensive experience in TLOG’s, data integration with downstream applications, and impact of POS changes on different financial, legal, compliance, loss prevention, etc. applications.
• Extensive experience with payment systems 7861 (EMV, payment middleware, encryption, tokenization, settlement, offline scenarios,).
• Extensive experience with different types of payment methods including credit, debit, gift cards (Both closed loop and open loop), PLCC, PayPal, AliPay, checks, etc. as well as different payment form factors like Tap N Go, contactless, swipe, EMV, Mobile, etc.
• Extensive experience with payment devices (pin pads, printers, registers, scanners).
• Experience in Node.js / Java / Python, building REST APIs, with experience/exposure to front end stack like JavaScript & React / Angular. 
• Experience with Storage systems - RDBMS, NoSQL (Cassandra/MongoDB), Redis/Memcache/Aerospike.
• Experience in messaging tools like Kafka/AWS Kinesis etc...
• Design expertise for performance, scalability, fault tolerance and high availability

• Experience with POS systems and Payments domain.
• Demonstrated experience for systems architecture, design, and integration for POS systems
• Java and/or Node.js. Experience building micro services (REST APIs) using Node.js
• Experience with one or more RDBMS databases like MySql, PostGreSQL
• Experience with one or more NoSQL databses like MongoDB, Cassandra, DynamoDB, Aerospike, Elastic Search, Redis, neo4j etc.,
• Caching technologies like: Redis, Elasticache,
• Cloud Providers like: AWS/ Google Cloud / Azure
• CI / CD : Jenkins, Docker, Kubernete
  

Who are we?

Kriyadocs is a leading document workflow platform focused on the publishing industry. At Kriyadocs®, we have partnered with prestigious publishing houses across the world for over 18 years and delivered world-class, publication-ready digital & print content by applying cutting-edge technology, streamlined processes, and extensive domain expertise. Technology is at the core of our evolution – we’ve consciously striven to always stay ahead of the curve in its adoption in order to provide best-in-class capabilities for our clients and our employees. This ethos is reflected in our vision and mission.

Our Vision: To make publishing all content as simple as clicking a button and become the partner of choice for individuals and organizations looking to share knowledge.

Our Mission: Provide a fantastic experience to authors, content publishers, and our own employees through technology and innovation, by publishing high-quality content seamlessly and quickly. We deliver Happy Authors and Happy Employees.

What is it really like to work here?

At Kriyadocs, every Kriyator is driven by our culture at the core to

• Deliver Excellence - Deliver Delight
• Stay Curious - Stay Driven
• Dream Big - Rise Together

You could also be a Kriyator, if you are

• Fearless in taking on challenges
• Focused in learning, demonstrating new skills and working towards successful outcomes
• Fanatical in taking pride and responsibility in all your work 

Job Description

We are looking for a Software engineer to join our cutting-edge development team as it grows. We want someone who is comfortable asking “why?” The ideal candidate is a divergent thinker who understands industry best practices and has experience with multiple coding languages. They are a team player possessing strong analytical as well as technical skills, and are able to communicate the logic behind technical decisions to non-tech stakeholders. They must be comfortable working in an agile environment and have the ability to “take the wheel” when necessary. They will work with multiple technologies and develop a keen sense of evaluating and using the appropriate technology to derive the best solution.

What you will do?

• Participate in the entire application lifecycle, focusing on coding and debugging
• Write and test code to ensure compatibility and stability: refine and rewrite as necessary
• Troubleshoot and debug applications
• Collaborate with Front-end developers to integrate user-facing elements with server side logic
• Follow the spec and its requirement and develop the features/project
• Providing written knowledge transfer material as documents

Requirements

Must have

• 1+ years experience coding in nodejs programming language 
• Solid understanding of data structures and algorithms, Collections, good design principles like SOLID 
• Problem solving & analytical aptitude 
• Excellent verbal and written communication skills 
• Experience in source code control with GIT/SVN
• Should be flexible to work on a variety of programming languages like NodeJS, React, etc. and on XML technologies like XSLT, XML Pipelines, etc

Good to have

• Experience working in the Node JS stack 
• Unit testing and automation frameworks 
• Experience working in a public cloud environment (AWS preferred) 
• Working with distributed microservice architectures 
• Agile product development life cycle

Eligibility Criteria 

• Bachelor's or Master's degree in Computer science or related fields from a reputed institution
• Any internship experience is a plus
• Experience : 1-4 years 
• Location : Chennai. Work from office (Mon to Fri)

Technical & Professional
Requirements

• Reactjs Nodejs developer must know MongoDB, Express, Node.js, & React.
• Creating RESTful services with Node.js
• MERN stack developer must have proven experience in front & back-end development
• Work in a cross-functional team to deliver a complete user experience
• Create Unit and Integration tests to ensure the quality of code
• Be responsive to change requests and feature requests
• Candidate must have good Knowledge of Node Debugging
• Understanding & proficiency in REST APIs.
• MERN stack developer should know Git Repository
• Integration of data storage solutions [RDBMS, NoSQL DB]

• Implementation of security and data protection
• Elementary knowledge of GRAPHQL
• Understanding of performance testing and optimization techniques
• MERN software developer must have good communication & interpersonal skills
• Ability to work independently with minimum supervision.

Type of Work

• 80% Backend 20% Frontend
• Building SAAS products inhouse and working on SI(System integrator) projects for other SAAS companies

• Graduation in computers –Full-time B.E / B. Tech or an MCA degree (Regular Program, no part-time or long-distances courses).

Position Overview

We are seeking a highly skilled React Native Developer with a strong background in the MERN (MongoDB, Express.js, React.js, Node.js) stack to join our dynamic team. The ideal candidate will have a minimum of 2 years of professional experience and a proven track record of developing robust, scalable mobile applications using React Native. This role offers an exciting opportunity to work on innovative projects and significantly contribute to the growth and success of our startup.

Key Responsibilities

●     Develop High-Quality Mobile Applications: Create user-friendly mobile applications using React Native, ensuring high performance and responsiveness.

●     Collaborate with Cross-Functional Teams: Work closely with product managers, designers, and other developers to define, design, and deliver new features.

●     Maintain Clean and Efficient Code: Write clean, maintainable, and efficient code following industry best practices and coding standards.

●     Optimize Application Performance: Enhance application performance for speed and scalability.

●     Participate in Code Reviews: Engage in code reviews, discussions, and knowledge-sharing sessions to improve team output and code quality.

●     Troubleshoot and Debug: Identify and resolve application issues to ensure smooth functionality.

●     Stay Updated with Trends: Keep abreast of emerging technologies and trends in mobile development to incorporate best practices.

Requirements

●     MERN Stack Proficiency: Strong expertise in MongoDB, Express.js, React.js, and Node.js.

●     RESTful APIs and Web Services: Solid understanding and experience in integrating RESTful APIs and web services.

●     Version Control Systems: Proficient with Git for version control.

●     Mobile UI/UX Design Principles: Knowledge of best practices in mobile UI/UX design.

●     Problem-Solving Skills: Excellent analytical and problem-solving abilities.

●     Team and Independent Work: Ability to work both independently and as part of a team in a fast-paced startup environment.

●     Communication and Collaboration: Strong verbal and written communication skills, with the ability to collaborate effectively with team members.

Nice to Have

●     GraphQL: Familiarity with GraphQL for efficient data fetching.

●     Cloud Services: Knowledge of cloud services such as AWS or Firebase.

Outfy(www.outfy.com) is a prominent Social media tool for online business headquartered in US and has a full fledged offshore development centre in Noida. We specialize in providing cutting-edge solutions to businesses aiming to enhance their online presence. As a Lead Developer, you will play a pivotal role in shaping the technological landscape of our platform.

Responsibilities:

• Lead the development and maintenance of our React web application and Node.js backend services.
• Collaborate with cross-functional teams to design, develop, and implement robust and scalable solutions.
• Architect and build efficient and reusable code for future use.
• Mentor and guide junior developers, fostering a collaborative and knowledge-sharing environment.
• Stay updated on emerging technologies and trends, incorporating them into our development processes.

Requirements:

• Proven experience (8-10 years) as a React Web and Node.js Developer.
• Strong proficiency in JavaScript/TypeScript and its modern frameworks/libraries.
• Extensive knowledge of front-end and back-end technologies, with expertise in React and Node.js.
• Experience working with RESTful APIs and microservices architecture.
• Solid understanding of the entire web development process, including design, development, and deployment.
• Leadership and mentoring skills with the ability to guide a team effectively.
• Ability to work independently and efficiently in a fast-paced environment.

About Lentra:

Lentra is a new-age, domain-native platform built from the ground up, designed and developed to empower financial institutions with tomorrow’s lending ecosystem, today. With its full-stack, fully digital, secured products and solutions, Lentra is the future of smart, seamless, secure digital lending. 

Our solutions cover the Indian lending stack effectively for digital origination by providing capabilities like eKYC, vKYC, eSign, eNACH, etc., besides MultiBureau(R), a comprehensive BRE for faster decisioning and configurable onboarding workflows. Reliability and minimal TATs are the key takeaways from Lentra’s offerings. 

Our Marquee Clients including the topmost private banks in India are now future ready and encashing business opportunities. Lentra's zero risk instant lending solution will empower the FIs to leapfrog into the future.

About the Role:

Lentra AI Pvt. Ltd looking for a Senior Software Engineer to contribute to the software development life cycle, from design and development to testing, release and maintenance. Software Developer responsibilities include building web application modules and testing features before release. If you have hands-on experience developing software with agile methodologies and are ready to lead our junior developers, we'd like to meet you. Ultimately, you will create, enhance, deploy and maintain functional, secure and high-quality applications

Responsibilities:

The candidate has to perform the below responsibilities:

• Active contribution in designing, developing, testing, deploying and maintaining software
• Collaborate with the team to develop web services, mobile and web applications
• Write well designed, efficient, secure and performant code
• Follow best practices in design and testing
• Review, test and debug team members code
• Actively contribute in writing and updating documents

Candidate requirements:

• Candidates should have a minimum of 5 year of experience in web based development using these technologies:
• Core Java, SpringMVC, Node.js, ORM
• Working knowledge of relational database and noSQL databases, Caching technologies
• RESTful, SOAP, JSON
• Angular, HTML5, CSS
• Proficient understanding of code versioning tools, such as Git
• Knowledge of Agile Scrum development Methodologies
• Integrate applications with network systems, servers, and databases
• Troubleshoot problems with application development and use
• Excellent conceptual, and critical thinking capabilities
• Self-directed and self-motivated with the ability to take charge or play a supporting role
• Strong understanding of product development
• Clear written and verbal communications skills (English), including presentation

Location & commitments:

• This is a Permanent Opportunity.
• Job Location is Pune

We need multiple MEAN stack developers. As a full stack developer, you will be producing scalable software solutions and will be involved in the full software development life cycle, from conception to deployment. You should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. This isn't just another CRUD application. Your challenge will be to deliver a highly-available service on top of a dynamic collection of third-party data sources . Explore the limits of your own resourcefulness by designing human and automated systems that deliver true reliability in an otherwise unpredictable environment.

Tech-Stack: Angular, Node.js, JavaScript, and MongoDB

How You Will Contribute

• Work with the development team to ideate software solutions
• Working through the application development lifecycle to launch
• Conceptualizing, creating and building applications alongside taking designer wireframes and magically turning them into effective code
• Designing user-based interactions through effective front-end architecture
• Develop and manage well-functioning databases and back end applications
• Write effective and scalable APIs
• Leading and developing best practices for Full Stack Developer team
• Developing and designing RESTful services and APIs
• Determining application responsiveness for consumers
• Ensuring company mandate is effectively addressed in technical and developmental aspects
• Create security and data protection settings
• Write technical documentation
• Keeping current with industry trends and developments that can be applied to company needs

Technical Expertise That We Believe Will Make You Successful In This Role

• Min 1 year of experience as a MEAN Stack Developer
• Fluency in CSS, JavaScript and HTML
• Understanding of CSS preprocessors including Sass
• Strong knowledge of building effective APIs in Node.js (Express)
• Proficiency in writing effective Angular components.
• Experience working with MongoDB, Redis and AWS
• Good knowledge of data structures, system design and algorithms
• Bachelor/Master degree in Computer Science
• Soft-Skills That Will Come Handy
• Having a knack for visual design and utility
• Excellent written and verbal communication skills
• Strong attention to detail
• Head for problem-solving
• Having a flexible working style
• Being a team player
• Comfortable with working unsupervised

What We Need

- Solid industry experience

- Hands-on Experience with MEAN((MongoDB, Express.js, AngularJS, and Node.js) full-stack

- Experience in creating front end applications using HTML5, Angular 6x+, LESS/SASS, Bootstrap/Angular Material

- Having decent knowledge in Typescript

- Having experience in building a responsive web design

- Experience with MongoDB and good knowledge in database concepts

- Experience with web frameworks like ExpressJS

- Developing secure Node.js endpoints using Passport, JWT, OAuth, and related technologies.

- Knowledge in Restful API Design

- Experience with Version control systems like GIT and knowledge in GIT branching is necessary.

- Strong object-oriented knowledge in any platform is a plus

Good to Have

- Open Source Contributors (esp. JavaScript to be evident from GitHub)

- Notice period to be less than 30 days