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
  

Job Role : Senior Full Stack Developer (.NET + React + C#)

Experience : 8+ Years

Work Mode : Hybrid (4 days/month from Noida, Hyderabad, Chennai, Pune, or Bengaluru)

Shift : IST (Normal Shift)

Job Summary :

We are looking for a Senior Full Stack Developer with strong expertise in C#, .NET, React, and Azure Development to build and support scalable enterprise applications. The ideal candidate should have extensive backend development experience, hands-on Azure exposure, and the ability to deliver high-quality solutions across the full stack.

Note : Strong Azure Development experience is mandatory. Previous experience with UHG (UnitedHealth Group) will be an added advantage.

Mandatory Skills :

8+ years of experience with C#, .NET Core/.NET 6+, ASP.NET Core, React.js, JavaScript/TypeScript, SQL Server, REST APIs, Azure Development (App Services, Functions, Azure SQL, Storage), Git, and CI/CD tools (Azure DevOps/GitHub Actions/Jenkins).

Key Responsibilities :

• Develop and maintain applications using C#, .NET Core/.NET 6+, and React.
• Build secure and scalable REST APIs and backend services.
• Design responsive frontend components using React and TypeScript/JavaScript.
• Work with Azure services and cloud-native architectures.
• Manage CI/CD pipelines using Azure DevOps, GitHub Actions, or Jenkins.
• Write clean, maintainable, and testable code.
• Participate in code reviews, troubleshooting, and technical discussions.

Required Skills :

Backend :

• C#
• .NET Core / .NET 6+
• ASP.NET Core
• REST APIs
• OAuth, JWT Authentication

Frontend :

• React.js
• JavaScript / TypeScript

Cloud (Mandatory) :

• Microsoft Azure Development
• Azure App Services
• Azure Functions
• Azure SQL
• Azure Storage

Database :

• SQL Server

DevOps :

• Azure DevOps
• Git
• CI/CD Pipelines

Preferred :

• Previous experience with UHG (UnitedHealth Group).
• Familiarity with Angular.
• Experience with enterprise-scale applications.
• Self-starter with strong problem-solving skills.

Mandatory Background Verification :

Education, Employment, Criminal, Address, ID, Reference, CV Validation, Gap Verification, Credit/CIBIL Check, and Drug Test.

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

Join the team of a fast-growing fintech organization that has recently raised $25M via equity and debt fund to rapidly increase the ever-growing space of Fintech World.

A financial technology platform made up of the most knowledgeable, passionate, and creative people in our business. We recognize the power of financial services to break down barriers and make it easy for customers to avail banking, investments, and lending solutions – that responsibility inspires us to be the place where exceptional people want to do their best work and to provide them the tools to do so.

Looking for motivated, highly driven, and hardworking Software Engineers for the Neobanking platform for a leading Fintech organization in a highly collaborative, fast-paced, high-energy environment. You will build the platform for user onboarding, profile management, banking, lending, risk mitigation, and analytics for driving intelligence from customer interaction patterns. It’s an exciting time to join the team as we’re setting about building the next generation of our platform.

• Design and implement scalable server-side solutions using Java.
• Write optimized front-end code using HTML, CSS, and Javascript
• Write unit, automation, and integration tests
• Implement quality application logging for operational monitoring at scale
• Investigate, debug and resolve production site issues
• Work with co-located teammates to deliver on common goals

• Professional experience in enterprise Java software development using Spring MVC frameworks, RESTful APIs, and SOA
• Proficiency in HTML/CSS/JavaScript/jQuery
• Experience with Docker and Kubernetes
• Experience with Microservices
• Experience with DevOps Technologies is plus
• Experience with Selenium for UI automated tests written in Cucumber or Scala
• Working knowledge of design patterns and CI/CD principles
• First-class communication skills in written and verbal form
• Outstanding problem-solving skills
• A commitment to producing high-quality code with an attention to detail
• Dedication and a self-motivated desire to learn
• A collaborative, team-orientated attitude
• 3-8 years of professional experience in Java software development
• Experience working in the Cloud (AWS)
• API development experience
• Exposure to monitoring tools such as ELK, Splunk

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.

Egregore Labs (http://www.egregorelabs.com/" target="_blank">www.egregorelabs.com) is a financial software company founded in 2017 by Prashant Vijay (ISB, Tulane) & Hari Balaji (IIM Ahmedabad, IIT Madras) both of whom have spent over a decade each in Financial Services, with a majority of their experience at Goldman Sachs across New York, Hong Kong & Singapore in roles across Trading, Quant & Technology.

We are looking for an experienced fullstack engineer with front-end development experience to join our team.
We will share our workload as a team and we expect you to work on a broad range of tasks.

Here’s are some of the things you might have to do on any given day:

• Implement responsive and performant UIs with user centered approach with frontend technologies including Angular 2, Javascript(ES 6), Typescript, SCSS, etc
• Build back-end REST APIs on Python 3 based server frameworks for deployment and scaling of our product(s)
• Write meaningful test cases for frontend & backend platforms
• Integrate our products with 3rd party products/tools/services
• Develop Infrastructure for delivering services using a performance driven approach, build databases, schedule automated jobs, etc

• At least 24 months of diverse experience in web development for product or services oriented environment with exposure to working production deployments
• Expertise in programming using Python/Javascript or similar scripting languages
• In-depth exposure to technologies used in web-based SaaS products, including REST APIs
• Sound understanding of Postgres and NoSQL databases such as MongoDB

Nice to have exposure to any of

• AWS
• Azure
• ELK
• Object Relational Models (SQLAlchemy, etc)
• Google APIs
• Microservices Architecture Pattern
• NodeJS / ExpressJS

We are looking for a person who has

Resourcefulness - we're looking for versatile developers who are good at figuring out what they need to use, learn, build, re-purpose to get the job done quickly and efficiently.

Ownership - We like to be directive and not prescriptive in our management. We’d love for you to take ownership of what you work on, and tell us what to do, rather than the other way round.

Work Ethic - We’ve grown up on Wall Street. We work hard, and have aggressive goals. We want our team-mates to be focused, goal-oriented and consistent high achievers.

Execution Focus - Our business is about getting things done, and getting things done right. We want outcome focused colleagues who can multi-task, and execute quickly and elegantly.

We are an early stage company. Working here is not for the faint-hearted. An intense and unstructured work environment, lots of excitement and a group of motivated colleagues is what we bring to the table. We ask you to bring your undivided attention, strong worth ethic & resourcefulness. We are Delhi based and work 6 days a week. We operate in a Python environment.

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, Statistics or relevant field

                                                             Tech Lead - BizzTM

Job Title: Tech Lead

 Location: Gurgaon

About us

BizzTM is an innovative retail platform that offers access to a range of e-commerce products through a network of local 'BizzOwners' in Tier2+ cities. It brings the variety and range of e-commerce categories to the aspirational population in these cities which are underserved by e-commerce due to high delivery costs and the need for trust.

Experience Required:

 4-6 years of experience About the role We are looking for a Tech Lead to turn our vision and product into easy-to-use software for our Clients.

Responsibilities:

• Responsibility for delivery of overall technical solution on schedule and time
• Knowledge in developing enterprise solution architecture design for solving complex business problems considering re-use, scalability, reliability, innovation and emerging technology trends
• Evaluates solutions to ensure that they are in alignment with the broader organization's mission, strategy / objectives, capabilities and processes using industry recognized architectural models and roadmaps
• Works with the business to understand and solve complex problems, by presenting various solution options and technical concepts in a comprehensible manner
• Evaluates emerging technologies and drive digital transformation while providing solutions to problems with innovative and creative ideas
• Works closely and continuously with the business to focus on meeting business requirements and incorporating broader aspects such as data privacy & sovereignty, business continuity, information security, integration with other systems, etc.
• Recognizes industry technology trends and emerging technologies, understands how businesses can adopt them
• Capable to work across multiple projects / engagements with varied stakeholders.
• Oversight on the implementation through periodic reviews and due diligence checks to confirm the developed solution complies with architectural design

Requirements:

• Experience of Design & development of MVC, REST API services on Node.js based framework(FeathersJS/ExpressJS)
• Experience of Object oriented programming
• Proven ability to deliver in a fast-paced development environment
• Strong programming skills (Javascript, CSS, HTML, ReactJS)
• Experience with SQL based database
• A positive attitude, and a team player
• Experience with scalable architectures using API management, container orchestration (e.g. Kubernetes, Cloud Foundry etc.), API management, microservice frameworks, etc.
• Broad and extensive knowledge of the software development process and its technologies & engineering practices like DevOps, Continuous Integration & Delivery
• Experienced in client-side app design and development in Angular, ReactJS, NodeJS etc.
• Significant experience in presenting ideas, products, concept papers to varied audiences
• Software development full lifecycle methodologies, patterns, frameworks, libraries and tools

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