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 Title : Python Developer - Web3 (Mandatory) & Trading Bot Creation (Optional)

Experience : 2+ Years

Location : Noida (On-site)

Working Days : 6 Days WFO (Monday to Friday - WFO & Saturday - WFH)

Job Type : Full-time

Mandatory Skills : Python, Web3 (web3.py/ethers), smart contract interaction, real-time APIs/WebSockets, Git/Docker, security handling.

Responsibilities :

• Build and optimize Web3-based applications & integrations using Python.
• Interact with smart contracts and manage on-chain/off-chain data flows.
• Ensure secure key management, scalability, and performance.
• (Optional) Develop and enhance automated trading bots & strategies.

Required Skills :

• Strong experience in Python development.
• Proficiency in Web3 (web3.py/ethers) and smart contract interaction.
• Hands-on with real-time APIs, WebSockets, Git/Docker.
• Knowledge of security handling & key management.
• (Optional) Trading bot development, CEX/DEX APIs, backtesting (pandas/numpy).

Job Description:-

In this role, you will be an integral part of our team responsible for developing and maintaining new applications that support assessment systems. This is a unique opportunity to contribute to an important regional initiative.

Role Responsibilities:

Analysis and Design: Collaborate with stakeholders and the Application Systems team to deeply understand application requirements. Develop technical design documents following business standards.

Programming and Testing: Actively engage in application programming to meet business requirements. Conduct unit testing and assist in functional, load, and user acceptance testing when needed.

Project Review and Enhancement: Review ongoing projects and provide valuable recommendations for improvement. Be open to assisting in related tasks as directed by the line Manager.

The Successful Applicant

To excel in this role, you should possess the following qualifications and skills:

Java Expertise: Strong experience in Java Application Design, Coding, and Implementation.

Front-End Development: Excellent skills in front-end development using Angular 10, Bootstrap, and Typescript.

Technology Stack: Proficiency in Java, Spring Suite, Hibernate, PostgreSQL, Docker, Kubernetes, Rest APIs, and Micro-services is highly desirable.

Agile Methodologies: Familiarity with Agile development methodologies, including refactoring, TDD, and continuous integration.

Client Interaction: Exceptional client-facing and presentation capabilities.

Team Collaboration: Ability to work effectively both autonomously and within a team.

If you are a skilled Full-stack developer passionate about creating innovative solutions and meet the above-mentioned qualifications, we invite you to apply for this exciting opportunity.

To apply, please submit your resume and a cover letter detailing your relevant experience and why you believe you fit this position.

Principal Software Engineer

Opportunity in this role / Why should you join here?

You will enjoy working with us if you are looking to work in a stimulating, flexible, open environment. You will experience ownership and independence at the same time providing technical solutions that work.

You will be part of the madness and thrill of growing the business from scratch. You get to make decisions, fail fast and learn fast. You get to contribute, add value to the organization by thinking like an entrepreneur. You are supported by the best talent in the industry and work with creative teams. You are rewarded as you go on proving yourself.

Requirements:

• Bachelor's degree in Computer Engineering/Computer Science or related field
• At least 6+ years of experience with at least 4 years of software application design experience
• Strong analytical and problem solving skills
• A full stack generalist with experience in both front-end and back-end technologies
• Proven experience in high-level programming languages, like Java and Development of scalable Web Applications and Web Services
• Experience in JavaScript frameworks like Angular, React, NodeJS
• Passion for delivering products end-to-end, from ideation to implementation
• Proven experience building complex web applications and micro services
• Strong experience with Spring Boot stack (spring cloud, spring-data)
• Extensive experience in developing and consuming REST APIs
• Experience in PHP is a plus advantage

Responsibilities:

• Participate in design reviews and recommend improvements
• Provide technical guidance in software design and development activities
• Recommend new technologies to ensure quality and improve productivity
• Support in all phases of SDLC and ensure delivery of high-quality products
• Analyse business requirements and design/develop most effective technical solution
• Analyse and troubleshoot application issues in a timely fashion
• Work with other engineers in planning, prioritising and executing assigned tasks within deadlines

x• Work with QA team in preparing test cases and assist in automation

• Mentor other Engineers as and when required
• Assist in maintenances and upgrades of existing software applications
• Assist in risk assessment and mitigation activities.
• Assist in technical audits and make sure to implement audit recommendations.

Decoding Youth Talent (DYT) Private Limited is a sports technology start-up which aims to enable coaches, clubs and academies scout, hire and develop youth talent through technology

Decoding Youth Talent is incubated and backed by one of the most prestigious MBA institutes in Asia, the Indian Institute of Management, Lucknow (IIM-L).

Are you a person who is extremely passionate about sports and looking to make a difference in the industry? If yes, there was not a better time than now! We are looking for a Full Mean Stack Developer with experience in building highly technical products that will help us bring change the way how sports stakeholders interact and communicate in India and across the globe. If you are passionate about the challenges of big scale, this is your chance to make history!

Responsibilities:

• As a full-stack MEAN developer (Angular), you will code back-end services in Java/Node JS and front-end in HTML, CSS3 and JavaScript.
• Strong system design skills backed with analytical and problem-solving ability with deep understanding of distributed systems and microservice architecture.
• Implementing algorithms and use of advanced data structures.
• Exposure to working in an agile development environment.
• Strong analytical and problem-solving skills - Knowledge of SVN/Git repository.
• Provide technical direction to the development teams including hands-on development of POCs where appropriate.
• Deploy realized solutions to appropriate environments using CI/CD process. Supports clients through testing Consumer Web Development Experience for High-Traffic, Public Facing web applications.
• Participate in agile software prototyping, development, maintenance, support, and code reviews of IoT Products.
• Implement modern and responsive UI for the web and a variety of devices.
• Unit, End-to-End, and performance testing software under load to ensure reliability and scalability.
• Ownership of Bug Fixes across environments for the assigned module/application.
• Collaborate on the design with internal & external project team members.
• Use JIRA effectively with daily updates to the work log and status of the issues.

Requirements:

• 5+ years or hands-on experience as a Full-stack Developer in web and Mobile application Product Engineering.
• Hands-on experience in creating Rest APIs using NodeJS. Perform 3rd party API integration with NodeJS.
• Hands on experience in HTML5 CSS3 JS libraries like Bootstrap, JQuery, and Angular Material.
• Experience in MongoDB and MySQL design, development, deployment, scaling and optimization.
• Experience working with the AWS stack (Lambda, S3 EC2 setup).
• Hands-on experience in writing queries and optimizing them for large data sets in MongoDB and MySQL.
• Good Communication and client-facing experience. Practice and enforce Agile and Scrum development methodologies.
• Hands-on experience working with Web frameworks, RESTful APIs and relational and/or NoSQL databases.
• Experience in implementing logging to identify performance issues and building monitoring and alerting on the API using Splunk/Grafana/Prometheus/New Relic.

Good to have

• Worked from scratch in the Tech Architect, frontend, coding, and tech product development with at least 6 -50 Mobile apps (multifunction app).
• Experienced in server-side languages such as Java and PHP.

ROLE: Full Stack Developer

About the company:

CogniTensor is an analytical software company that brings data to the heart of decision-making. CogniTensor leverages its product, DeepOptics - an integrated platform  to implement 3A (Automation, Analytics and AI) at scale. 

Cognitensor has customers ranging in Finance, Energy, Commodity, Retail & Manufacturing. More details can be found on our website: https://www.cognitensor.com/

Our strategic investors include Shell and CIIE.CO (IIM-A/Accenture).

Qualification & Experience:

• BE/B.Tech Degree in Computer Programming, Computer Science, or a related field.
• +2 years experience as a Software Developer.
• Hands on experience in developing finance applications is must

Roles & Responsibilities:

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. 

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Along with familiar with Agile methodologies and testing skills

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Write technical documentation
• Excellent communication and teamwork skills

Technical Skills:

Must Have

• React JS
• Git / Bitbucket, 
• Express JS, Python, HTML, CSS, Node JS
• CI/CD like CircleCI
• Postgres or any DB knowledge
• Familiarity with AWS  or Azure or both 

Good to Have

• Docker
• Redux
• Android development
• React Native
• Electron
• GraphQL
• Jira

What’s in for you:

● An opportunity to lead a business segment

● Extensive liaising with customers and partners

● A rewarding career progression

Preferred Location:

Delhi NCR

JOB RESPONSIBILITIES

• Drive, design, build and deliver end-to-end solutions using Agile and User Centered Design processes.
• Build a distributed system based on SOLID design principles, concurrency, and distributed data.
• Demonstrate experience  writing enterprise software applications for high frequency and low latency environments.
• Hit the ground running with a typical Java ecosystem (Spring & its sub-projects, dependency injection, maven, hibernate, etc.)
• Maintain quality, modularity and ensure responsiveness of applications.
• Be able to pick up new technologies along their whole development stack including non-java ecosystems.  
• Collaborate with the rest of the engineering team to design to launch new features.
• Collaborate with cross-functional teams to define, design.
• Work with third-party data-sources and APIs.
• Unit-test code for robustness.
• Work on bug fixing and improving application performance
• Maintain code integrity and organisation.
• Help maintain code quality, organisation, and automation.
• Build a culture of continuous learning and improvement.
• Have a desire to collaborate to share and learn from your colleagues.

JOB REQUIREMENTS

• Extensive experience and deep understanding in Java 8, including multithreading, data-structures and algorithms.
• Strong understanding of distributed architecture concepts, Design patterns, SOLID principles, 

SOA, Microservices, Cloud hosting solutions (preferably AWS).

• Good experience in developing REST API and Json, in Java backend applications.
• Hands on experience with SQL, NoSQL concepts.
• Test driven development, including unit test cases using any test framework (JUnit, spring-test, MockMvc), and end-to end testing.
• Excellence in writing and maintaining clear end-user documentation including API specifications, patterns, best practices, and data definitions, including Swagger.
• Good knowledge of GIT.
• Familiarity with continuous integration and build automation tools like Jenkins pipelines for Continuous Integration (CI)/ Continuous Delivery (CD), maven/Gradle
• Experience with Agile software development (e.g., SCRUM or KANBAN) and/ or User Centered design process.
• Experience in working with Angular 6+/ReactJS 16+ & Redux, JSP, HTML5, CSS3, jQuery and Javascript will be 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.

BANKIT Services Private Limited is an assisted B2C company. The vision of the company is to make “Millionaire Agents Network” (MAN) i.e. to maximize the number of agents who are able to make Rs. 10L as revenue in a year by delivering various BANKIT services. We are going towards our target of opening BANKIT outlets and KIOSKS at every city, every village even in remote areas of country to experience all the citizens the easiest, fastest & safest Digital payment platform and all the Digital services under one roof. In order to serve the under digital and under banked population in India, we have prepared an assisted agent led model which works to offer digital and financial services to the last mile. Banking and financial services along many value-added services are available for end customers through BANKIT channel partners in their neighborhood. Services like Domestic Money transfer, Cash Withdrawal, Prepaid Cards, Recharges, Bill Payments, Travel Bookings etc. are made available 24X7 through our proprietary web and mobile applications. These applications are made very user friendly as per the needs of the target users and are built using the state-of-the-art technology to make the transactions secure and instant.

Founded- 2010

Specialties - Domestic Money Transfer, Travel & Stay, Prepaid Cards, UPI, AEPS, BBPS, QR Code, Cash @ POS, Agent Mobile App, Money Remittance, Blockchain, Micro ATM, E-KYC, Merchant Network, FinTech Company, Digital India, and PAN CARD Center

About Role:

Full Stack Developer/Software Developer

Experience: 1+ years

Salary bracket- Industry Fit

i2V Systems builds products in the video surveillance domain. We are looking for Full Stack developers who are capable solving complex problems, and have a strong will to get things done.

Job Responsibilities:

• Work on designing and development of new software products.
• Work on Improving, optimising and maintaining existing software products.
• Helping deployment team deploy products you work on.

Skills required:

• Good knowledge in C#, Javascript.
• Hands-on development experience in of. NET and Angular framework.
• Good knowledge of basic data structures and algorithms.
• Experience in database design preferrable.
• Familiarity with database technologies such as MySQL and PostgreSQL.
• Ability to learn new technologies, frameworks and programming languages.