11+ System integration testing Jobs in Delhi, NCR and Gurgaon | System integration testing 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
  

Location: Hybrid/ Remote

Openings: 5

Experience: 0 - 2Years

Qualification: Bachelor’s or Master’s in Computer Science or a related technical field

Key Responsibilities:

Backend Development & APIs

• Build microservices that provide REST APIs to power web frontends.
• Design clean, reusable, and scalable backend code meeting enterprise security standards.
• Conceptualize and implement optimized data storage solutions for high-performance systems.

Deployment & Cloud

• Deploy microservices using a common deployment framework on AWS and GCP.
• Inspect and optimize server code for speed, security, and scalability.

Frontend Integration

• Work on modern front-end frameworks to ensure seamless integration with back-end services.
• Develop reusable libraries for both frontend and backend codebases.

AI Awareness (Preferred)

• Understand how AI/ML or Generative AI can enhance enterprise software workflows.
• Collaborate with AI specialists to integrate AI-driven features where applicable.

Quality & Collaboration

• Participate in code reviews to maintain high code quality.
• Collaborate with teams using Agile/Scrum methodologies for rapid and structured delivery.

Required Skills:

• Proficiency in JavaScript (ES6+), Webpack, Mocha, Jest
• Experience with recent frontend frameworks – React.js, Redux.js, Node.js (or similar)
• Deep understanding of HTML5, CSS3, SASS/LESS, and Content Management Systems
• Ability to design and implement RESTful APIs and understand their impact on client-side applications
• Familiarity with cloud platforms (AWS, Azure, or GCP) – deployment, storage, and scalability
• Experience working with Agile and Scrum methodologies
• Strong backend expertise in Java, J2EE, Spring Boot is a plus but not mandatory

Job Title: MERN TECH

Location: Paschim Vihar, West Delhi

Company: Eye Mantra

Job Type: Full-time, Onsite

Salary: Commensurate with experience and interview performance

Experience:- 3+ years

Contact: +91 97180 11146(Rizwana Siddique,HR)

Interview Mode: Face to Face

About Eye Mantra:

Eye Mantra is a premier eye care organization committed to delivering exceptional services using advanced technology. We’re growing fast and looking to strengthen our in-house tech team with talented individuals who share our passion for innovation and excellence in patient care.

Position Overview:

We are currently hiring a skilled Full Stack Developer to join our in-house development team. If you have strong experience working with the MERN stack, including Node.js, React.js, MongoDB, and SQL, and you thrive in a collaborative, fast-paced work environment, we’d love to connect with you.

This role requires working onsite at our West Delhi office (Paschim Vihar), where you’ll contribute directly to building and maintaining robust, scalable, and user-friendly applications that support our medical operations and patient services.

Responsibilities:

• Build and manage web applications using the MERN stack (MongoDB, Express, React, Node).
• Create and maintain efficient backend services and RESTful APIs.
• Develop intuitive frontend interfaces with React.js.
• Design and optimize relational databases using SQL.
• Work closely with internal teams to implement new features and enhance existing ones.
• Ensure applications perform well across all platforms and devices.
• Identify and resolve bugs and performance issues quickly.
• Stay current with emerging web development tools and trends.
• (Bonus) Leverage AWS or other cloud platforms to enhance scalability and performance.

Required Skills & Qualifications:

• Proficiency in Node.js for backend programming.
• Strong hands-on experience with React.js for frontend development.
• Good command of SQL and understanding of database design.
• Practical knowledge of the MERN stack.
• Experience using Git for version control and team collaboration.
• Excellent analytical and problem-solving abilities.
• Strong interpersonal and communication skills.
• Self-motivated, with the ability to manage tasks independently.

Position: Dot net Developer (.net Core, Angular)

Location: Noida Extension

Experience: 5-15 year

Salary: Negotiable

Industry: IT (Fintech development)

Qualification: B.Tech/ BCA/ MCA

candidate prefer from fintech development.

Job Requirements:

·         experience with API development, Rest API and Web socket

·         Proven experience in software and application development, preferably as a .NET Developer

·         Experience in working with SQL Server, .net core, ASP.NET framework and architectural patterns such as MVC

·         Good understanding in Web API/Rest API

·         Good at HTML, CSS3, jQuery and Java Script/Typescript

·         Ability to take quick decisions while working in a fast-paced environment

·         Strong understanding of Agile methodologies.

Responsibilities and Duties:

·         Develop software solutions by studying information needs; conferring with users, studying systems flow, data usage and work processes, investigating problem areas, following the software development lifecycle

·         Ensure high-level performance and responsiveness of all the .NET applications.

·         Solid understanding of the data structure & algorithms.

·         Prepare and install solutions by determining and designing system specifications, standards and programming

·         Provide information by collecting, analyzing and summarizing development and service issues

·         Understand business needs and know how to create the tools to manage them

·         Production quality code is must to have better performance of the application.

·         Should think out of the box and research on to adapt optimized technical solutions.

Mail updated resume with below details- 

Current ctc-

Expected ctc-

Notice period-

Current location-

Email- jobs [at] glansolutions [dot] com

Satish- 8 8 5 1 O 1 8 1 6 2

Website: www.glansolutions.com

Unstop (Formerly Dare2Compete) is looking for Frontend and Full Stack Developers. Developer responsibilities include building our application from concept all the way to completion from the bottom up, fashioning everything from the home page to site layout and function.

Responsibilities of the Candidate:

• Write well-designed, testable, efficient code by using the best software development practices
• Integrate data from various back-end services and databases 
• Gather and refine specifications and requirements based on technical needs
• Be responsible for maintaining, expanding, and scaling our products
• Stay plugged into emerging technologies/industry trends and apply them into operations and activities
• End-to-end management and coding of all our products and services
• To make products modular, flexible, scalable and robust

Our Tech Stack: 

• Angular 10 or later
• PHP Laravel
• NodeJS
• MYSQL 8
• NoSQL DB
• Amazon AWS services – EC2, WAF, EBS, SNS, SES, Lambda, Fargate, etc.
• The whole ecosystem of AWS

Required Experience, Skills, and Qualifications:

• Freshers and Candidates with a maximum of 10 years of experience in the technologies that we work with
• Proven working experience in programming – Full Stack
• Top-notch programming and analytical skills
• Must know and have experience in AngularJS 2 onwards
• A solid understanding of how web applications work including security, session management, and best development practices
• Adequate knowledge of relational database systems, Object-Oriented Programming and web application development
• Ability to work and thrive in a fast-paced environment, learn rapidly and master diverse web technologies and techniques
• B.Tech in Computer Science or a related field or equivalent

Salary: As per industry benchmarks. This won’t be a restriction for the right candidate.

• Conducting analysis of website and application requirements.
• Writing back-end code and building efficient PHP Laravel
• Developing a back-end portal with an optimized database.
• Troubleshooting application and code
• Integrating data storage solutions.
• Responding to integration requests from front-end
• Finalizingback-endfeaturesandtestingweb
• Updating and altering application features to enhance

• Bachelor’s degree in computer science or a similar
• Knowledge of Laravel &PHP web frameworks including Yii, and
• Knowledge of front-end technologies Like HTML, CSS3, Bootstrap, and JavaScript.
• Understanding of object-oriented PHP
• Previous experience creating scalable applications.
• Proficient with code versioning tools including Git, Mercurial, CVS, and SVN.
• Familiarity with SQL/MYSQL databases.
• Ability to project manage.
• Good problem-solving

The Company:

The Opportunity:

The Opportunity, as a Full Stack Developer, you'll be at the heart of our company - The Engineering Team. You will be the brain behind crafting, developing, testing, going live and maintaining the products. Will help the Quality Assurance Team by squashing those annoying bugs!

Your day-to-day tasks includes:

What You should have:

Why you must work for VES.