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
  

• Develop, test, and maintain web applications using PHP, MySQL, HTML, CSS, and JavaScript.
• Collaborate with designers and stakeholders to understand project requirements and translate them into technical specifications.
• Participate in the full software development lifecycle, including planning, designing, coding, testing, debugging, and deploying applications.
• Build responsive and user-friendly interfaces, ensuring cross-browser compatibility and optimal performance.
• Implement and integrate APIs, web services, and third-party libraries as required
• Perform code reviews, identify and fix bugs, and optimize application performance.
• Work closely with the team to continuously improve development processes and implement best practices.
• Stay up-to-date with emerging technologies and industry trends, and apply them to enhance our development practices and solutions.
• Contribute to documentation, including technical specifications, user guides, and test cases.

Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Proven experience as a PHP Full Stack Developer or similar role, with a minimum of 1-8 years of professional experience.
• Strong proficiency in PHP, MySQL, HTML, CSS, JavaScript, and related frameworks (e.g., Laravel, CodeIgniter).
• Experience with front-end frameworks (e.g., Laravel, React, Angular, Vue.js) and modern development tools (e.g., Webpack, Git) is a plus.
• Solid understanding of object-oriented programming principles and MVC architecture.
• Familiarity with RESTful APIs, JSON, and web services integration.
• Strong problem-solving skills and the ability to work in a fast-paced environment.
• Experience with agile development methodologies is preferred.

Interested candidate may what's app their cv on triple nine zero nine three double one double four.

Roles and Responsibilities
1. Ability to work on diverse backend stack such as Node JS, Express JS
2. Ability to work on diverse frontend stack such as Meteor JS, React JS, HTML5, CSS3

3. Ability to deliver quick POC’s using cutting edge technologies.

4. Preparing reports, manuals and other documentation on the status, operation and maintenance of software.

5. Design, develop, and unit test applications in accordance with established standards

6. Developing, refining, and tuning integrations between applications. Analyzing and resolving technical and application problems.

7. Ability to debug the application.

8. Should have complete knowledge of developing RESTful Services.

9. Should be able to also work in agile development methodology.
10. Work with designated JavaScript framework to design, develop, and debug web applications
11. Work with the team to manage, optimize, and customize multiple web applications
12. Manage end to end module lifecycle management of the product
13. Push and pull codes via Git repository

Competency Requirements

1. Experience in NodeJS and development using MeteroJS
2. Experience in front end frameworks - Meteor JS
3. Experience in client/server application development
4. Knowledge of agile development methodologies
5. Knowledge of unit testing theory
6. Knowledge of AWS cloud
7. Knowledge of other frontend frameworks like ReactJS, AngularJS will be an advantage

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

• Understand fundamental design principles and best practices for developing backend servers and web applications  Gather requirements, scope functionality, estimate and translate those requirements into solutions.  
• Implement and integrate software features as per requirements. 
•  Deliver across the entire app life cycle.
•   Work in a product creation project and/or technology project with implementation or integration responsibilities, Improve an existing code base, if required, and ability to read source code to understand data flow and origin
• Design effective data storage for the task at hand and know how to optimize query performance along the way.  
• Follow an agile methodology of development and delivery  
• Strictly adhere to coding standards and internal practices; must be able to conduct review code  Mentor and possibly lead junior developers  
• Contribute towards innovation  Performance optimization of apps 
•  Explain technologies and solutions to technical and non-technical stakeholders  
• Diagnose bugs and other issues in products  
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Must have / Good to have:

• 4+ years experience with Core Python development  Design and implementation of high-availability, and performant applications on Unix environment  
• Good with multithreading and data structures  
• Develop back-end components to improve responsiveness and overall performance  
• Familiarity with database design, integration wiht applications and python packaging.  Familiarity with front-end technologies (like JavaScript and HTML5), REST API, security considerations  
• Familiarity with functional testing and deployment automation frameworks  
• Experience in development for 3-4 production ready application using Python as programming language  
• Experience in writing unit test cases including positive and negative test cases 
•  Experience of CI/CD pipeline code deployment (Git, SVN, Jenkins or Teamcity) 
•  Experience with Agile and DevOps methodology 
•  Very good problem-solving skills  
• Experience with Web technologies is a plus  
• Experience with ELK stack is a plus.

Experience: 7+ Years

Job Location: Remote/ hybrid

No. of Position: Multiple

Qualifications: B. Tech / M. Tech / MCA

Work Timings: 1:30 PM IST to 10:30 PM IST

Functional Area: Software Development

We are looking for a highly motivated and talented Software (Python) Developer to join our team and help build the components of the solutions. The ideal candidate is a versatile self-starter with a background in Python development. The Software Engineers responsibilities include designing and developing software for an large scale application that is hosted in AWS/Azure cloud platform.

Key Responsibilities

• Develop high-quality software that is performant, scalable, reusable and extensible in python.
• Responsible for over-all software development life cycle from design to delivery.
• Adoption and Evolution of the software engineering practices and tools within the organization.
• You will work closely with product management and other development teams to create responsive, and interactive interfaces.
• You will work closely with our solution architects, analysts and design team members to develop specifications.
• You must be able to design solution based on requirement and acceptance criteria provided in the story.
• Collaborate with other technology and business teams within the organization to provide efficient robust solutions to the problems.
• You will be required to demonstrate problem solving & debugging skills.

• Make improvements to our microservices, Cloud APIs and work on developing new capabilities in existing code base.
• Enhance existing capabilities in the application to meet the customer needs.
• Need to work in collaboration with other team members and management team.
• Uses data visualization techniques to provide insights on large data sets and input to finish Dashboards.
• Builds and maintains datasets to help subject matter expert.
• Must be able to work independently with some oversight and function effectively as part of a team in a joint working environment.
• Ability to prioritize work, meet deadlines, achieve goals, and work under pressure in a dynamic and complex environment

Skills, Knowledge and Experience

• Must have 4+ years of experience in python application development
• Must have 1+ years of experience with Django framework.
• Deep understanding of object oriented and functional paradigms.
• Solid background in RESTful Web Services.
• Excellent verbal, written, and interpersonal communication skills
• Knowledge of Relational database (MySQL, SQL Server, Oracle) and NoSQL is required.
• Knowledge of reactJS to be a Full-stack developer is a plus.
• Experience in visualization tools such as Tableau and Power BI is a plus.

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.

• 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

As Lead Software Engineer, we are looking for a person who loves to engineer design specs into usable interactions. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the development team to understand and bridge the gap between graphical design and technical implementation, taking an active role and defining how the application looks as well as how it works.

This is an innovative role and requires a candidate who is extremely motivated, dedicated, and passionate about development. It's a high growth opportunity to be part of a fast-growing startup!

Key Responsibilities :

- Build scalable web applications using MERN Stack
- Convert visual designs to UI elements with an acute eye for detail and design fidelity
- Make web applications responsive and cross-browser compatible
- Optimize application performance and reduce page loading speed
- Collaborate with various teams to develop new features
- Ability to work under pressure and deliver projects with tight deadlines
- Implement unit tests and integration tests to drive development efficiency.

Requirements :

- 3 years of work experience comprising of Backend(preferably NodeJS), Frontend (React/Angular) and Software Design/Architecture
- 2+ years experience building Production grade applications on ReactJS or Angular - STRICT REQUIREMENT
- Expertise in building UI components in a reusable manner.
- Knowledge of messaging services like Apache Kafka, RabbitMQ
- Experience in integrating REST APIs and developing data processing pipelines
- Experience in distributed web services development and chaining
- Understanding of cloud services like AWS and GCP
- Experience with DevOps technologies such as Docker, Kubernetes, Jenkins, CI/CD, etc
- Experience in working with Mapping Library like Google Maps, Mapbox or Leaflet is a plus.

Salary - 4-6.5 lpa

Job Description –

• Full stack developer position.
• Should have total of 5-7 years of experience.
• Should have min. of 2 years of experience in developing Enterprise apps on React.js and 2 years on Django apps.
• Very good in Data structure, logical reasoning, and algorithms.
• Experience with cloud providers like AWS or Azure or GCP is also required.
• Good Understanding of Design and Integration patterns.
• Ability to work independently and with lots of ownership.
• Ability to learn and apply newer technologies quickly.
• Good to have knowledge in building progressive web apps.

Role Description

• You will be full stack senior developer.
• Handle team of junior backend and frontend developer.
• You can and want to write code end-to-end.
• You would enjoy designing a system for speed and scale.
• Developing product using Reactjs for front end and Python for back end.
• We want you to debate on the pros and cons of different architectures and tech stack choices and be real contributing members.
• We want people who can and want to learn new stuff in real-time while on the job.

Skills - JavaScript, React.js, HTML, CSS, SQL with MySQL / PostgreSQL, Python, Django, AWS or Azure or GCP