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: 2

Experience: 5+ Years

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

Job Responsibilities

Problem Solving & Optimization:

• Analyze and resolve complex technical and application issues.
• Optimize application performance, scalability, and reliability.

Design & Develop:

• Build, test, and deploy scalable full-stack applications with high performance and security.
• Develop clean, reusable, and maintainable code for both frontend and backend.

AI Integration (Preferred):

• Collaborate with the team to integrate AI/ML models into applications where applicable.
• Explore Generative AI, NLP, or machine learning solutions that enhance product capabilities.

Technical Leadership & Mentorship:

• Provide guidance, mentorship, and code reviews for junior developers.
• Foster a culture of technical excellence and knowledge sharing.

Agile & Delivery Management:

• Participate in Agile ceremonies (sprint planning, stand-ups, retrospectives).
• Define and scope backlog items, track progress, and ensure timely delivery.

Collaboration:

• Work closely with cross-functional teams (product managers, designers, QA) to deliver high-quality solutions.
• Coordinate with geographically distributed teams.

Quality Assurance & Security:

• Conduct peer reviews of designs and code to ensure best practices.
• Implement security measures and ensure compliance with industry standards.

Innovation & Continuous Improvement:

• Identify areas for improvement in the software development lifecycle.
• Stay updated with the latest tech trends, especially in AI and cloud technologies, and recommend new tools or frameworks.

Required Skills

• Strong proficiency in JavaScript, HTML5, CSS3
• Hands-on expertise with frontend frameworks like React, Angular, or Vue.js
• Backend development experience with Java, Spring Boot (Node.js is a plus)
• Knowledge of REST APIs, microservices, and scalable architectures
• Familiarity with cloud platforms (AWS, Azure, or GCP)
• Experience with Agile/Scrum methodologies and JIRA for project tracking
• Proficiency in Git and version control best practices
• Strong debugging, performance optimization, and problem-solving skills
• Ability to analyze customer requirements and translate them into technical specifications

Requirements:

• Minimum 3 years of experience in software development into MERN (React & Node.js ) technology.
• Bachelor degree in Computer Science or IT.
• Must have Hands-On coding expertise of React.js, Reactstrap, NodeJS, MongoDB and ExpressJS.
• Configuring and managing deployment on AWS (EC2 IAM, S3).
• Knowledge of developing REST API using Express framework and front end integration with PUG engine.
• Experience with popular JS libraries like Ember, Babel, Typescript, Webpack, Socket etc.
• Exposure to scm tools like git, Git Hub, CI/CD methods, code coverage tools like SonarQube, etc.
• Good understanding of the object-oriented design and programming concepts, core JavaScript concepts like scope/closures, the event loop and asynchronous callbacks, promises, API formation, POSTMAN API etc.

Java Developers [I+S/E2-MM2]

Java Full Stack Developer

We are looking for a skilled Full Stack Developer who is passionate about building high-quality software applications. The ideal candidate will have expertise in Java frameworks and extensions, persistence frameworks, servers, platforms, clouds, databases, data storage, and QA tools. The candidate should also have experience working with Angular, React, or Vue.

As a Full Stack Developer, you will be responsible for developing and maintaining software applications for our clients. You will work closely with a team of developers and project managers to deliver high-quality software products. You should be comfortable working in a fast-paced environment and be able to adapt to changing priorities.

Mandatory Skill Sets:

Java frameworks and extensions: You should be proficient in building enterprise-grade applications using Java 8+ and Spring Boot.

Persistence Frameworks: You should have experience working with Hibernate and/or JPA. You should be able to design and develop efficient data models, and perform CRUD operations using Hibernate and/or JPA.

 Servers: You should be familiar with Apache Tomcat and be able to deploy applications on Tomcat servers.

Platforms: You should have experience working with Java EE and Jakarta 2EE platforms.

Clouds: You should have experience working with AWS, and be familiar with AWS services such as EC2, S3, and RDS.

Databases / Data Storage: You should have experience working with MYSQL and Oracle databases

QA Tools: You should be proficient in JUnit5 and Postman. You should be able to write and execute unit tests, integration tests, and end-to-end tests using these tools.

Web Services: You should have experience working with RESTful web services.

API Security: You should be familiar with OAuth2, JWT, Auth0, or any other API security frameworks.

 Angular/React/Vue: You should have experience working with at least one of these frontend frameworks, HTML, CSS, and JavaScript.

If you are passionate about building high-quality software applications and have the required skill sets, we encourage you to apply. We offer competitive salaries and benefits, and a challenging work environment where you can learn and grow.

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.

About PrepBytes(A CollegeDekho company)

PrepBytes(A CollegeDekho company) is a Gurgaon-based ed-tech startup focused on helping students improve their coding skills. PrepBytes offers India’s only Mentorship driven personalized coding programs.

In a short span of time , we have achieved a reach in 1000+ engineering colleges and established a brand among 100k+ students. 

PrepBytes was started by two IIT/NIT Alumnus having work experience in fast paced startups & tech giants like Amazon and Samsung. Since then, the startup has grown into a team of individuals working towards revolutionizing the way students learn coding and making them successful in their tech career. 

To fulfill the vision to be one of the largest personalised coding platforms , we are looking for passionate folks to join our team & contribute to success stories of thousands of students and be part of the next big revolution in the edtech industry.

Job Description

• Working with the founders to implement innovative ideas and improvising the existing backend.
• Development and implementation of cutting-edge Educational Technology with the aim of revolutionizing the sector.
• Work on innovative features of the Learning Management System, Coding Platforms, Hiring Platforms, Assessment Platforms, and many more new products.
• Building scalable and secured backend for smooth learning of users
• Get involved and mentor in System, Architecture, and Database Design discussions with the team
• Maintain high-quality code by getting involved in code reviews

What are we looking for?

• Overall 4+ years of technical experience.
• Bachelor’s degree in Computer Science Engineering or a related field.
• Strong problem-solving skills.
• A keen learner who will develop & own cutting-edge consumer-facing product 
• Experience in building projects from scratch.
• Excellent technical, diagnostic, and troubleshooting skills.
• High-level proficiency in Javascript and web development technologies-JS/Node JS/MongoDB.

Tech Lead – Software Development

Tech Lead will be responsible for development and project delivery. She will also provide technical and team leadership through coaching and mentorship.

Job Responsibilities:

• Guide team development efforts towards successful project delivery
• Provide technical leadership to teammates through coaching and mentorship
• Maintain high standards of software quality within the team by establishing and coaching team member in best practices in development
• Collaborate with other software developers, business analysts and software architects to plan, design, develop, test, and maintain web- and desktop-based business applications built on new and legacy technologies.
• Assist in the collection and documentation of user’s requirements, development of user stories, estimates and work plans
• Design, develop, and unit test applications in accordance with established standards
• Participate in peer-reviews of solution designs and related code
• Package and support deployment of releases
• Analyze and resolve technical and application problems
• Assess opportunities for application and process improvement and prepare documentation of rationale to share with team members and other affected parties
• Adhere to high-quality development principles while delivering solutions on-time and on-budget
• Ensure Team member adhere to the SDLC requirements

Qualifications:

• B.E./B.Tech./MCA or equivalent
• 12+ years’ experience as a Software Developer with at least 3+ years in a similar role
• Prior experience in a technical leadership position
• Proficient with .NET/Angular/React/Node JS and SQL
• Extensive hands-on Experience in ASP.Net Core, MVC.

• Excellent understanding of database tuning, design, optimization, and scaling using MS SQL and NoSQL databases

• In-depth knowledge and experience with developing web applications with service-oriented framework, Microservices and Rest APIs
• Extensive experience designing and developing enterprise grade software
• Experience with source control management systems and continuous integration/deployment environments
• Experience with agile development methodologies including Kanban and Scrum
• Experience with multi-threading and concurrency
• Experience with debugging, performance profiling and optimization
• Comprehensive understanding of object-oriented and service-oriented application development techniques and theories

ABOUT THE STARTUP:

Lamamia is founded by IIM alumni and mentored by seasoned professionals from Flipkart.com, CommonFloor.com, Adani Group, TATA Group, Suzlon, and professors from IIT, IIM and XLRI.

Lamamia is incubated by IAMAI, (chaired by Mr Amit Agarwal, Amazon India Head) in association with Govt. of Haryana. It is also incubated by FIED IIM Kashiur for mentoring and funding support.

Lamamia is an Uber for Vernacular skilling and Education, wherein educators can create and share their micro-lessons and micro-tests with the learners spread across the remote and rural part of India. Students can choose the educators, courses and assessment tests to enhance their knowledge, skill, aptitude and employability. 

DESIRED SKILLS:

1. AWS (EC2/S3/Lambda)
2. DynamoDB
3. Node.Js
4. HTML5, Javascript, React.Js
5. Android Native (Java/Kotlin)
6. Socket.io / WebRTC (LiveStreaming)
7. Firebase
8. Prior experience in developing/integration livestreaming feature is essential.

JOB DESCRITION

1. Enhancing the existing features and developing the new features
2. Being able to develop the product independently and also with the team .
3. Being able to work under pressure and think out of the box.
4. Being a good leader with decent professional communication skills.
5. Knowledge and experience of Android Development is an added advantage

OUR PRODUCT

Understand The Product Features:

https://play.google.com/store/apps/developer?id=Lamamia&;hl=en_IN

1. Our product offers on-demand video lessons and quizzes in local languages.
2. Teachers can independently create and share their content.

WHAT WE OFFER:

1. Opportunity to work as a core team member
2. Direct Reporting to Founders
3. Exponential and 360 degree learning
4. Working with an experienced team from IIM
5. 4.2 - 7.8 LPA (INR) CTC + ESOPs*

We have an immediate req for Java Fullstack. Below mentioned is the Job description.

Please start working and share resumes ASAP

ONLY and Only immediate joiners please . We need candidates who can join in October itself

Java Fullstack

Gr Noida

Exp: 5-10 yrs

BackEnd: Java 8 or above, hibernate Springboot RST microservices,  Docker  Kubernetes JOOQ interface, 

Frontend: vue webdev JS components Grey 

Script :      Groovy & Grails