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
  

About NxtWave

NxtWave is one of India’s fastest-growing ed-tech startups, reshaping the tech education landscape by bridging the gap between industry needs and student readiness. With prestigious recognitions such as Technology Pioneer 2024 by the World Economic Forum and Forbes India 30 Under 30, NxtWave’s impact continues to grow rapidly across India.

Our flagship on-campus initiative, NxtWave Institute of Advanced Technologies (NIAT), offers a cutting-edge 4-year Computer Science program designed to groom the next generation of tech leaders, located in Hyderabad’s global tech corridor.

Know more:

🌐 NxtWave | NIAT

About the Role

As a PhD-level Software Development Instructor, you will play a critical role in building India’s most advanced undergraduate tech education ecosystem. You’ll be mentoring bright young minds through a curriculum that fuses rigorous academic principles with real-world software engineering practices. This is a high-impact leadership role that combines teaching, mentorship, research alignment, and curriculum innovation.

Key Responsibilities

• Deliver high-quality classroom instruction in programming, software engineering, and emerging technologies.
• Integrate research-backed pedagogy and industry-relevant practices into classroom delivery.
• Mentor students in academic, career, and project development goals.
• Take ownership of curriculum planning, enhancement, and delivery aligned with academic and industry excellence.
• Drive research-led content development, and contribute to innovation in teaching methodologies.
• Support capstone projects, hackathons, and collaborative research opportunities with industry.
• Foster a high-performance learning environment in classes of 70–100 students.
• Collaborate with cross-functional teams for continuous student development and program quality.
• Actively participate in faculty training, peer reviews, and academic audits.

Eligibility & Requirements

• Ph.D. in Computer Science, IT, or a closely related field from a recognized university.
• Strong academic and research orientation, preferably with publications or project contributions.
• Prior experience in teaching/training/mentoring at the undergraduate/postgraduate level is preferred.
• A deep commitment to education, student success, and continuous improvement.

Must-Have Skills

• Expertise in Python, Java, JavaScript, and advanced programming paradigms.
• Strong foundation in Data Structures, Algorithms, OOP, and Software Engineering principles.
• Excellent communication, classroom delivery, and presentation skills.
• Familiarity with academic content tools like Google Slides, Sheets, Docs.
• Passion for educating, mentoring, and shaping future developers.

Good to Have

• Industry experience or consulting background in software development or research-based roles.
• Proficiency in version control systems (e.g., Git) and agile methodologies.
• Understanding of AI/ML, Cloud Computing, DevOps, Web or Mobile Development.
• A drive to innovate in teaching, curriculum design, and student engagement.

Why Join Us?

• Be at the forefront of shaping India’s tech education revolution.
• Work alongside IIT/IISc alumni, ex-Amazon engineers, and passionate educators.
• Competitive compensation with strong growth potential.
• Create impact at scale by mentoring hundreds of future-ready tech leaders.

Role Overview 

We are seeking an enthusiastic Software Engineer (Full Stack) with 3- 5 years of experience to join our growing team in Noida. In this role, you will play a pivotal part in designing and developing innovative SaaS products, contributing across both backend and frontend stacks, and helping drive digital transformation in a traditionally paper-driven domain. 

This is a high-impact role where your work will directly influence the future of rare disease diagnostics in India and globally. 

Responsibilities 

• Contribute to all facets of software development and design 
• Break down complex problems into modular, scalable solutions 
• Write clean, efficient, well-commented code (Java, JavaScript, HTML, CSS) 
• Develop robust and scalable web applications using Java Spring Boot and Hibernate 
• Build and maintain RESTful APIs and integrate third-party services 
• Work with MySQL databases and write optimized SQL queries 
• Collaborate in Agile teams—participate in sprint planning, stand-ups, retrospectives 
• Perform bug fixes, troubleshoot technical issues, and ensure system stability 
• Design technical documentation and automated test suites 
• Stay updated with emerging technologies and tools relevant to the tech stack 
• Maintain a productive in-office work environment with essential infrastructure 

Requirements 

Experience 

• 3-5 years of hands-on software development 
• Experience working in Agile teams using tools like Azure DevOps or JIRA 

Technical Skills 

• Proficient in: Java, Spring Boot, Hibernate, MySQL, RESTful APIs 
• Strong front-end development using JavaScript, HTML, CSS 
• Solid understanding of Object-Oriented Design and common design patterns 
• Skilled in SQL and database interactions 
• Experience with token-based authentication and test-driven development 
• Familiarity with Git for version control 

Soft Skills 

• Strong analytical and troubleshooting abilities 
• Excellent communication and team collaboration skills 

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

Requirements:-

• 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

Tech Skill:-

• 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

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

Role : Java Fullstack Developer

Location : G. noida

Budget: 1.3 LPM

Experience: 5+ years

Add PAN no & DOJ on CV

Candidate must have knowledge of JAVA / J2EE.    

Executes the development, Maintenance, and enhancement of varying complexity levels across platform systems.  

Translate the business requirements and specifications into related solutions designs to understand business needs and functional specifications. 

Write and review technical documents, including design, developments, and code review.  

Good to have knowledge of AWS, SPRING BOOT HIBERNATE, REST API .

Candidate should be able to understand Microservices architecture, continuous integration and deployment mechanism.

Gohoardings is a leading advertising technology company specializing in outdoor advertising solutions. We connect brands with their target audiences through innovative digital platforms and creative campaigns.

We are currently seeking a highly skilled and experienced Java Full Stack Developer to join our dynamic team. As a Java Full Stack Developer, you will play a crucial role in designing, developing, and maintaining our industry-leading advertising technology solutions.

Responsibilities:

Collaborate with cross-functional teams, including product managers, designers, and other developers, to understand project requirements and translate them into scalable and high-performance software solutions.

Design and develop robust, user-friendly, and scalable web applications using Java and modern web technologies such as HTML5, CSS3, and JavaScript frameworks (e.g., Angular, React, or Vue.js).

Develop and integrate RESTful APIs and microservices to support seamless data exchange between front-end and back-end systems.

Implement and maintain server-side applications using Java frameworks (e.g., Spring, Spring Boot) to handle business logic, data processing, and integration with external systems.

Create and optimize database schemas, write efficient SQL queries, and ensure data integrity in collaboration with database administrators.

Ensure code quality through unit testing, automated testing, and continuous integration/continuous deployment (CI/CD) pipelines.

Troubleshoot and debug complex technical issues, perform root cause analysis, and implement solutions to improve application performance and reliability.

Stay up-to-date with emerging technologies and industry trends, and provide recommendations on incorporating new tools and techniques to enhance the development process and deliver high-quality software.

Collaborate with the product team to refine and prioritize feature requirements, and deliver software solutions within project timelines.

Mentor and provide technical guidance to junior developers, fostering their professional growth and development.

Qualifications:

Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).

Minimum of 5 years of professional experience as a Java Full Stack Developer.

Strong proficiency in Java programming language and related frameworks (e.g., Spring, Spring Boot).

Extensive experience in developing front-end applications using modern web technologies such as HTML5, CSS3, and JavaScript frameworks (e.g., Angular, React, or Vue.js).

Solid understanding of web application architecture and design patterns, including RESTful APIs, microservices, and single-page applications.

Experience with database technologies such as MySQL, Oracle, or MongoDB, including data modeling and query optimization.

Proficiency in version control systems (e.g., Git) and experience with build tools (e.g., Maven, Gradle).

Familiarity with agile development methodologies and experience working in agile teams.

Strong problem-solving and analytical skills, with the ability to quickly grasp complex requirements and deliver effective solutions.

Excellent communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and stakeholders.

Preferred Qualifications:

Master's degree in Computer Science, Software Engineering, or a related field.

Experience with cloud platforms and services (e.g., AWS, Azure, or Google Cloud Platform).

Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes).

Familiarity with DevOps practices and tools for continuous integration and deployment (CI/CD).

Experience with testing frameworks and practices, such as JUnit, Mockito, or Selenium.

Understanding of advertising technology and industry-specific challenges.

Previous experience in developing scalable and high-traffic web applications.

Join our team at Gohoardings

Skills

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Expertise in backend programming with Node.js and MongoDB.
• Experience with React.js and redux.
• Material UI and 3rd party libraries.
• Experience with clean code writing practices like avoiding callback hell like promises, async.
• Thorough understanding of Node.js and its core principles.
• Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of ECMAScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Familiarity with modern front-end builds pipelines and tools.
• A knack for benchmarking and optimization.
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial).

Responsibilities:

• Build Node.js APIs using microservices.
• Rewriting backend code with microservices architecture & Unit tests.
• Developing new user-facing features using React.js.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.

1. We are looking for candidates who have good programming skills. Strong on data structures, algorithms, understand time space complexity, able to come up with multiple solutions and then arrive at most optimized one keeping in mind customer requirements. Should also be well aware of OO concepts. If he / she has a strong background on these areas ( in any programming language), half the job is done. – 50% weightage
2. Next the candidate should have worked on JS  with good hands on experience in a few projects mainly in backend development like making api calls, handling exception, models, data transformations, controllers etc.  – 20-30% weightage
3. The last would be having some experience in any one of react.js/ node.js or even angular.js since some of these are being used in the current project. – 20-30% weightage
4. Prefer candidates with Angular (ver 8+), react (ver 16+), Node (Ver 14+) and extremely good in JavaScript, HTML & CSS
5. Experience : 4-6 years relevant

At Cypherock, We are disrupting the current financial system by increasing the adoption of Blockchain-based digital assets through better key management solutions. We build "Worlds' first products" from India, work at the intersection of Blockchain, Security, Embedded Hardware and Cryptography, and have worked with companies like Google, Blockgeeks, Samsung, Lockheed Martin, Apollo Munich, Bank of America amongst others.

As the primary person responsible for everything Blockchain in the company, we think it will be a great fit if -

1. You love everything Crypto and are passionate to create the World's safest Crypto wallet.
2. You have MERN stack & DevOps experience on AWS.
3. You have reasonable open-source development experience and have shipped production-ready code.
4. You can commit for at least 6 months and you are ideally in your 4th year of college and willing to join full time after the internship if mutually agreed.

If we decide to work together, we believe you would be a key team member who helps in the mass adoption of Crypto for the first billion users.

We are looking for an android developer to enhance design, fix bugs, improve performance and develop new features of a functional Android application

Responsibilities & Skills

An ideal candidate:

Should have 3+ years of professional experience in autonomously designing, developing, testing, debugging and maintaining mobile applications on the Android platform

Should have hands-on experience with Android SDK and Android Frameworks

Should have expertise in building REST API in PHP with MySQL database, and seamlessly integrating it with backend services, third party APIs and Android application

Should be well conversant with Android UI design principles

Should fix bugs and improve Android application performance

Should develop new features of the Android application

Should assume end-to-end ownership of the Android application and assigned tasks

Should work independently without the need of guidance and supervision

Education