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
  

Position Title : Java Full Stack Developer

Location : Noida Sector 125

Experience : 5+ Years

Availability : Immediate

Job Summary :

We are looking for a Java Full Stack Developer with expertise in Microservices architecture to join our team.

The ideal candidate should have hands-on experience in Java, Spring Boot, Hibernate, and front-end technologies like Angular, JavaScript, and Bootstrap. You will work on enterprise-grade applications that enhance patient safety worldwide.

Key Responsibilities :

• Design, develop, and maintain applications based on Microservices architecture.
• Work with Java, Spring Boot, Hibernate, Angular, Kafka, Redis, and Hazelcast to build scalable solutions.
• Utilize AWS, Git, Nginx, Tomcat, Oracle, Jira, Confluence, and Jenkins for development and deployment.
• Collaborate with cross-functional teams to develop enterprise applications.
• Develop intuitive UI/UX components using Bootstrap, jQuery, and JavaScript.
• Ensure applications meet performance, scalability, and security requirements.
• Participate in Agile development while efficiently handling changing priorities.
• Conduct code reviews, debugging, and performance optimization.

Required Skills & Qualifications :

✔ 5+ Years of hands-on experience in Java 7/8, Spring Boot, and Hibernate.

✔ Strong understanding of OOP concepts and Design Patterns.

✔ Experience working with relational databases like Oracle/MySQL.

✔ Proficiency in Bootstrap, JavaScript, jQuery, HTML, and Angular.

✔ Hands-on experience in Microservices-based application development.

✔ Strong problem-solving, debugging, and analytical skills.

✔ Excellent communication and collaboration skills.

✔ Ability to adapt to new technologies and handle multiple priorities.

✔ Experience in developing high-quality web applications.

Good to Have :

➕ Exposure to Kafka, Redis, and Hazelcast.

➕ Experience working with cloud-based solutions (AWS preferred).

➕ Familiarity with DevOps tools like Jenkins, Docker, and Kubernetes.

Why Join Us?

✅ Work on cutting-edge technologies and enterprise-level applications.

✅ Collaborative and innovative work environment.

✅ Competitive salary and career growth opportunities.

Job Title: Senior Java Full Stack Developer

Locations: Delhi NCR, Hyderabad, Chennai, Pune, Bangalore Experience: 6–13 Years

Employment Type: Full-Time

"Need Immediate joiners or serving notice period candidates only can join in a maximum of 30 days"

About the Role

We are looking for an experienced and highly skilled Java Full Stack Developer with strong backend expertise in Java and hands-on experience in ReactJS for front-end development. The ideal candidate will drive the design, development, and implementation of high-performance, scalable applications that meet business goals.

Key Responsibilities

Backend Development (Approx. 80%)

• Design, develop, and maintain robust and scalable backend services using Java, Spring Boot, and related frameworks.
• Build and optimize RESTful APIs and microservices.
• Collaborate with cross-functional teams to define backend architecture and ensure high availability and performance.
• Troubleshoot complex issues, debug code, and improve overall system reliability.
• Participate in code reviews, design discussions, and technical decision-making.

Frontend Development (Approx. 20%)

• Develop responsive user interfaces and reusable ReactJS components.
• Integrate frontend components with backend services and APIs.
• Ensure high performance, cross-browser compatibility, and seamless user experience.

General

• Work in an Agile/Scrum environment and deliver high-quality software on schedule.
• Maintain robust documentation and follow SDLC best practices.
• Mentor junior developers and contribute to team growth.

Required Skills & Qualifications

• 6–13 years of professional experience in software development, with a strong focus on backend systems.
• Advanced proficiency in Java, Spring Boot, and related server-side technologies.
• Hands-on experience with ReactJS and modern JavaScript.
• Solid understanding of REST APIs, microservices architecture, and web services.
• Strong database skills (SQL and/or NoSQL) and familiarity with schema design.
• Experience with version control (e.g., Git) and CI/CD practices.
• Excellent problem-solving, debugging, and communication skills.

Preferred Skills (Bonus)

• Experience with containerization and orchestration (Docker, Kubernetes).
• Exposure to cloud platforms (AWS, Azure, GCP).
• Knowledge of message queuing (Kafka, RabbitMQ).
• Familiarity with automated testing frameworks and best practices.

Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, IT, or a related field (or equivalent practical experience)

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.

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

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As part of this feature, you can expect status updates about your application and replies within 72 hours (once the screening questions are answered)

Samagra X - Tech Architect

As Samagra expands into Digital Public Goods (DPGs), we’re looking for a Tech Architect to help us shape how open-source products and platforms can transform governments' worldwide function. As Samagra, we pride ourselves on being thoughtful and intentional about the impact that can be created through well-built products and platforms.

In this role, you’ll work with a mission-driven team on some of the world’s most complex governance problems, where technology will play a pivotal role. You’ll design the architecture of platforms, answering

questions like-

• How to deliver quality advisory services to 100mn farmers nationwide?
• How can standardised assessment/practice tools be enabled to ensure FLN1 in children?
• How to build the capacity of paramedical staff in the country?
• How can govt administrators in any domain monitor the progress of flagship programs?
• How to build an open commerce network to connect farmers to the best service providers?

Working at Samagra, you’ll be challenged and rewarded with impact at scale. We value excellence, collaboration, empathy, and high ownership mindset. The most successful candidates will exhibit work that reflects these values. We want you to enable every team member to do their best work. We expect you to have a solid technical background, excellent communication skills, a flare for open-source products/platforms and a commitment to making everyone feel included.

Your Impact

In this role, you’ll have tremendous opportunities to learn, collaborate and impact millions of citizens in India and abroad by transforming how governments function. As a Tech Architect, you will:

• Take Ownership of technical vision for a given DPG - Define standards, drive technical architecture, strategy, and roadmap with the DPG working groups
• Collaborate with the DPG development partner to translate technical vision into a deliverable roadmap and product design. Pitch in with code, code reviews, architectural reviews and technical mentoring
• Work closely with the DPG development partner at various milestones of the product delivery to ensure a high-quality product is delivered and the product meets all the requirements, including debuggability,
• supportability, availability, scalability, cost-efficiency and performance.
• Continuously develop and improve the interface between technology and the DPG community. Ensure
• that overall technical practices are scalable, constantly evaluating tech stacks to cater to evolving business needs.
• Participate in building ecosystems around DPG with the community - build platforms, plugins & apps.
• Ensure all internal processes & external services comply with security, privacy policies and regulations.
• Stay on top of digital trends, principles and paradigms and be able to relate how these trends will affect the DPG community.
• Engage with internal and external collaborators, and maintain relationships/partnerships with internal team members and adopters to develop strategies, goals and objectives consistent with the DPG
• strategy.

Skills required

• Solid technical skills - Strong experience in having architected, built, operated and scaled distributed, large-scale, fault-tolerant systems; Worked on defining problem statements at all levels - RFCs to good first issues. Experience building and cultivating strong engineering practices; Experience with enterprise software development built and delivered on both on-premise and Cloud is preferred; Ability to diagnose technical problems, debug code, and automate tasks; Strong problem-solving and analytical skills.
• Leadership - Mix of intelligence, initiative, integrity, domain knowledge, verbal agility, and tactful stakeholder engagement, which allows you to rapidly earn the trust of astute teams and individuals across the company/community. You have a strong bias for action and being resourceful
• Collaboration and communication - with the geo-distributed teams in a fast-paced, entrepreneurial environment. Also, able to communicate across functional teams, keeping various engineering, product and business stakeholders informed.
• Planning & execution - Able to own and deliver large projects end to end, keeping track of timelines; keep track of (and context switch between) different threads and ensure that details don’t slip through the cracks

Qualifications

• B. tech/BE(CS/IT) & from Tier 1 or Tier 2 institutes of India/Abroad or equivalent; M. tech/Ph.D. preferred
• 8+ years of software development experience with 4+ years contributing to software architecture
• Experience in architecting, designing, developing, testing, and deploying large-scale, distributed systems.
• Experience in contributing and actively participating in multiple open source projects.
• Strong leadership skills and experience in working with a developer ecosystem.
• Excellent communication and collaboration skills to work effectively with internal teams and external stakeholders.
• Automate the development and test automation processes through CI/CD pipeline (Git, Jenkins, Artifactory, Docker containers).
• Experience in one of the following programming languages: Python/Javascript/Typescript/Java.
• Experience with RDBMS (Postgres, MariaDB) and any other large scale distributed database systems.
• Have expertise in one or more areas like building and scaling web apps, Machine Learning, UI Engineering, Information Visualization, etc.

About Samagra

Samagra is a mission-driven governance consulting firm. We co-work with the bureaucratic leadership across states and the Centre on long-term systemic transformation programmes cutting across domains. Since 2012, when Samagra was founded, we have worked with the Government of India and 7 state governments on 15+ large-scale systemic transformation projects in sectors like education, agriculture, skills, employment, and public service delivery. Over the last 5 years, we have also built strong GovTech and DataGov capabilities, now housed under the SamagraX umbrella. Our mission is to improve the quality of life of citizens through better governance. And this mission is

what fuels every goal we chase. Want to know more about Samagra?

Check out https://www.youtube.com/watch?v=GPcPdI2SHwU&;t=4s&ab_channel=Samagra-TransformingGovernance" target="_blank">this masterclass by our Founder and CEO, Gaurav Goel

Our Tech Leadership

Rahul Kulkarni - Chief Technologist

Nitin Kashyap - Senior Vice President - Product

Utkarsh Vijay - Vice President

Sukhpreet Sekhon - Vice President

Suresh Unnikrishnan - Vice President - Engineering

Product Examples

https://www.samagragovernance.in/blog/2023-03-31-leveraging-artificial-intelligence-to-deliver-advisory-to-farmers/" target="_blank">Ama KrushAI

https://www.youtube.com/watch?v=7CEo_R8XIhI" target="_blank">Nipun Lakshya App 

https://www.youtube.com/watch?v=kR8m4VS8kqA" target="_blank">e-SAMWAD

https://www.samagragovernance.in/blog/2023-01-16-leveraging-data-science-algorithms-to-improve-data-quality-in-government/" target="_blank">Krushak Odisha database - DataScience

https://www.samagragovernance.in/blog/2023-01-16-leveraging-data-science-algorithms-to-improve-data-quality-in-government/" target="_blank">Sunbird cQube

https://saral.sunbird.org/" target="_blank">Sunbird SARAL

Dare2Compete is looking for MEAN or LAMP 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: 

• AngularJS 10
• React
• PHP Laravel
• Mongo DB
• Express.js 
• NodeJS
• MYSQL 8
• NoSQL DB
• Linux OS
• Apache
• Amazon AWS services – EC2, WAF, EBS, SNS, SES, Lambda, Fargate, etc.
• The whole ecosystem of AWS
• And many more…

Required Experience, Skills, and Qualifications:

• Must have at least 1 year of experience to 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.

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

Major Responsibility/ Job Responsibility:    

Strong knowledge with Java frameworks (Spring, Hibernate, Mybatis)

Strong core Java 7 or Java 8 skills (with good understanding of multithreading and performance tuning)

Strong understanding of object-oriented design patterns.

Strong experience in Architecture & Designing, Web services (Rest or SOAP)

Good knowledge on Jasper Reports, iReports & XML

Strong understanding and experience on JavaScript (object oriented), AJAX, JQuery, Anuglar 2 or 4, Primefaces

Good knowledge on SQL and PL/SQL for Postgres, Oracle database

Good understanding of application and web servers – JBOSS, TOMCAT, JETTY

Hands- on experience for Eclipse IDE

Self-learner willing to experiment with latest features

Team player, willing to take responsibility and contribute

Experience in Waterfall/Agile development

Good communication skills both written and oral.

Hands on Experience with Unit Testing of Application using Junit Framework.

Key Result Areas:

Requirement analysis, design, Coding & unit testing

Technical documentation

Timely delivery of module with good quality

Sound knowledge on OOAD

Sound knowledge on n-tier, MVC architecture

Necessary Qualification/ Technical Skills:

2-5 years of total IT experience

Strong knowledge with Java frameworks (Spring, Hibernate, mybatis,)

Strong core Java 7 or Java 8 skills (with good understanding of multithreading and performance tuning)

Strong understanding and experience on JavaScript (object oriented), AJAX, JQuery, Anuglar 2 or 4,Primefaces

Good knowledge on Jasper Reports, iReports & XML

Good knowledge on SQL or PL/SQL for Postgres, MySQL, Oracle database.

Good understanding of application and web servers – JBOSS,TOMCAT,JETTY

Desirable:

Experience in short release cycles & full software life cycle.

Entire SDLC knowledge

Demonstrated problem solving, analytic and troubleshooting skills.

Basic/Advanced Java Certification

Special Skills (If Any):

Experience in Performance Tuning and creation of secured applications

Experience with high volume and highly scalable application is a plus.

Experience in Transport, Logistics & Finance domain