11+ Payment systems Jobs in Delhi, NCR and Gurgaon | Payment systems Job openings in Delhi, NCR and Gurgaon

• 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
  

Key Responsibilities:

• Work on highly distributed and scalable system architecture

• Design, develop, test, and maintain high-quality software solutions

• Ensure performance, security, and maintainability of applications

• Collaborate with cross-functional teams and stakeholders

• Perform system testing and resolve technical issues

Required Skills:

• Strong experience in ASP.NET, C#, .NET Core, MVC

• Hands-on experience with SQL Server / PostgreSQL

• Experience in Angular / React (Frontend technologies)

• Knowledge of microservices architecture & RESTful APIs

• Familiarity with CQRS pattern

• Exposure to AWS / Docker / Kubernetes

• Experience with CI/CD pipelines (Azure DevOps, Jenkins)

• Knowledge of Node.js is an added advantage

• Understanding of Agile methodology

• Good exposure to cybersecurity and compliance

Technology Stack:

• Microsoft .NET technologies (primary)

• Cloud platforms: AWS (SaaS/PaaS/IaaS)

• Databases: MSSQL, MongoDB, PostgreSQL

• Caching: Redis, Memcached

• Messaging queues: RabbitMQ, Kafka, SQS

About the Role

We’re looking for a passionate Fullstack Product Engineer with a strong JavaScript foundation to work on a high-impact, scalable product. You’ll collaborate closely with product and engineering teams to build intuitive UIs and performant backends using modern technologies.

Responsibilities

• Build and maintain scalable features across the frontend and backend.
• Work with tech stacks like Node.js, React.js, Vue.js, and others.
• Contribute to system design, architecture, and code quality enforcement.
• Follow modern engineering practices including TDD, CI/CD, and live coding evaluations.
• Collaborate in code reviews, performance optimizations, and product iterations.

Required Skills

• 4–6 years of hands-on fullstack development experience.
• Strong command over JavaScript, Node.js, and React.js.
• Solid understanding of REST APIs and/or GraphQL.
• Good grasp of OOP principles, TDD, and writing clean, maintainable code.
• Experience with CI/CD tools like GitHub Actions, GitLab CI, Jenkins, etc.
• Familiarity with HTML, CSS, and frontend performance optimization.

Good to Have

• Exposure to Docker, AWS, Kubernetes, or Terraform.
• Experience in other backend languages or frameworks.
• Experience with microservices and scalable system architectures.

About Us:

We are BlackLight Games; we bring culturally relevant synchronous multiplayer games experience to mobile. Our games have been rocking the Play Stores since launch. We have built cutting-edge back-end technology; we take pride that our games are played by more than 1 million players daily. Our flagship game, Ludo SuperStar has been downloaded more than 100 million times. Other titles include – CallBreak, Carrom, Solitaire, Spider Solitaire and Word games.

Website link- https://blacklightsw.com/

Position: Full Stack Developer

Location: Noida

Educational Qualification: B.Tech/ MCA / M.Tech / M.Sc  or relevant professional experience; preferably in Computer Science.

Skills :

• Frontend: HTML5, CSS3, JavaScript, Ajax
• Backend: J2EE,MERN
• Databases: MySQL/ MongoDB.

Job Summary:

We are looking for a skilled Full Stack Developer to join our team. As a Full Stack Developer, you will be responsible for developing and maintaining both front-end and back-end applications. Your expertise in HTML5, CSS3, JavaScript, Ajax, J2EE, and databases such as MySQL/MongoDB will be essential in creating robust and user-friendly web applications.

Responsibilities:

• Develop and maintain web applications using HTML5, CSS3, JavaScript, and Ajax for the front-end.
• Implement J2EE for the back-end development, ensuring seamless integration with the front-end.
• Design and maintain databases using MySQL or MongoDB, ensuring efficient data storage and retrieval.
• Collaborate with cross-functional teams to gather requirements and deliver high-quality solutions.
• Write clean, efficient, and maintainable code following industry best practices.
• Conduct testing and debugging to ensure application functionality and performance.
• Stay updated with emerging technologies and industry trends to continuously improve skills and knowledge.
• Participate in code reviews and provide feedback to ensure code quality and adherence to standards.

Requirements:

• Proficiency in HTML5, CSS3, JavaScript, and Ajax for front-end development.
• Strong experience in J2EE for back-end development.
• Familiarity with databases such as MySQL or MongoDB for data storage and retrieval.
• Knowledge of web development frameworks and libraries.
• Solid understanding of software development principles and best practices.
• Excellent problem-solving and analytical skills.

Why Us?

• High Growth Startup environment 
• Company sponsored courses and education material
• Lots of learning opportunities 
• Work with a super-talented team of professionals
• Informal work-culture, Casual Dress Code, multiple outings and trips
• Performance Based Bonus
• Competitive Salary
• Medical Insurance for you and your family 
• Subsidies Lunch and Unlimited Snacks, Tea & Coffee in the house at all times

PHP Developer:

Responsibilities:

• Gathering & Understanding customer requirements.
• Design, code, test, debug and document software according to the functional requirements.
• Write clean, well structured code with proper abstraction and reusability.
• Work independently and deliver projects under tight deadlines.

What makes you the best fit:

• Exceptional programming skills with strong fundamentals in OOPS, MVC and ORM.
• Good knowledge of PHP, Core PHP, Laravel, CodeIgniter, zend, Shopify, HTML, CSS, Javascript, AJAX, JSON and Rest APIs.
• Proficient with code versioning tools like GIT.
• Must have experience in payment gateway, video streaming and image manipulation.
• Basic knowledge of any JS frameworks like Vue, React, Angular.
• Must be able to work independently and perform under strict deadlines.
• Must be a good team player and has good problem solving skills.

We are seeking a person to join our tech team, with proficiency in programming languages likeJavaScript, decent understanding of NodeJS and React.js and an abiity to understand business requirements and to translate it into technical requirements.You’ll work closely with top school graduates, ex-McKinsey,BCG, Deloitte, EY, Byju’s, Paytm employees to establish, nurture, and grow business across categories & territories. This is an amazing opportunity to learn from an extraordinary team, grow massively and to help students around the globe build an awesome career for themselves.

What you will do:

• Developing new user-facing features using ReactJS as frontend and NodeJS as backend
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code
• Optimizing components for maximum performance acrossa vast array of web-capable devices and browsers
• Writing test cases for automated testing
• Deployment of micro services to AWS
• Defining and Architecting a proper structure to any new micro services being added
• Managing and updating already build micro services

What you will need:

• Strong proficiency in JavaScript, including DOM manipulationand the JavaScript object model
• Thorough understanding of React.js and its core principles
• Thorough understanding of NodeJS, Express and itscore principles
• Experience with popular React.js workflows Redux,Saga, Axios
• Experience with popular NodeJS packages like Knex
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Experience with building optimised SQL queries and stored procedures
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelinesand tools
• Experience with common front-end development tools such as Babel, Webpack,NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools such as GIT

What you will get:

• Industry-best perks
• A phenomenal work environment, with massive ownershipand growth opportunities
• A bunch of super young & enthusiastic colleagues in Tech/Marketing/PR/Editorial/SocialMedia & Events!
• Quick iterations and deployments – fail-fast attitude
• Opportunity to work on cutting edge technologies, and lead teams in the future
• Access to a world-class mentorship network
• Create a massive, and direct impact of the work you do in the lives of people across the globe

About the Company: At Leverage Edu, we are democratizing access to global opportunities for students everywhere. By helping students make the right career choices withthe aid of information and pathways that they can trust, we are opening doors to opportunities they could not access without the right guidance and support. Making sense of the complex web of courses,colleges, careers, and geographies is a tough task – by leveraging technology but connecting with students at a personal level we help them maximize their potential. To build towards this goal we are looking for people with the ambition and hustle to make the world a smaller place and get people closer to their dream opportunities. We are building at a break-neck speed in one of the fastest-growing industries inthe world and the opportunities for growth are limitless.