11+ Payment systems Jobs in Delhi, NCR and Gurgaon | Payment systems 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).

WHAT YOU WILL DO

We are seeking a talented and motivated Backend Engineer to join our team, focusing on the design, development, and maintenance of high-performance enterprise software solutions using Java and Spring. In this role, you will be instrumental in designing robust REST APIs and orchestrating complex workflows across a microservice architecture.

Responsibilities:

• Software Development: Design, build, and maintain efficient, reusable, and reliable Java code within Spring Boot Applications and Services
• API Design: Design and implement robust, scalable, and secure RESTful APIs to power front-end applications and third-party integrations. Build high-throughput, high-availability, and low-latency systems
• Microservices Orchestration: Orchestrate data flow and business logic across multiple microservices to ensure seamless end-to-end functionality.
• Database Management: Design schema, interact with, and optimize both NoSQL (e.g., MongoDB) and SQL (e.g., PostgreSQL) databases.
• Code Quality & Tooling: Leverage AI coding tools such as Cursor, CodeX, GitHub Copilot or similar tools to enhance productivity, accelerate development cycles, and maintain high code quality standards.
• Collaboration: Work closely with front-end developers, product managers, and other stakeholders to define, design, and ship new features.
• System Architecture: Participate in architectural discussions, code reviews, mentor and guide junior engineers, and help shape the future direction of our software platform.

REQUIREMENTS 

• 4+ years of relevant work experience in software engineering, preferably enterprise software development
• AI/ML Concepts: An understanding of AI agents, their application in enterprise systems, use of MCP servers and the principles of context engineering.
• Frontend Development: Experience with React, Next.js, component libraries like mui, and an interest in being a full stack developer. An understanding of CSS, HTML DOM is a plus.
• Cloud Experience: Experience with cloud platforms such as AWS, Azure, GCP, or OCI.
• DevOps Practices: Familiarity with Docker, Kubernetes, and CI/CD pipelines.

ABOUT RIA

RIA is a tech company that leverages cutting-edge technology to revolutionize the insurance and healthcare industry. RIA has operations in India and in the US. 

At the core of its operations is the Symphony platform, a Vertical AI platform which can be used for customised decision-making, automation, and data orchestration across Insurance and Health products.  

Symphony can support businesses with its microservices-based architecture and helps modernize and modularize the legacy system. 

WHY JOIN US

We’re building the foundation of our team right now, and are looking for ambitious team members to join us and increase with us. The work environment is fast-paced and you would make a clear impact! 

You’ll partner with a stellar leadership team from IIT Kanpur, Kellogg, MIT Sloan, IIT Guwahati, and the University of Michigan. The team has also worked at companies such as McKinsey, Goldman Sachs, Niva Bupa, Acko, Care, ICICI Prudential, etc.

We’re a well-funded company, which has raised capital from top VCs, global insurers, and prominent Indian family offices. 

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

• 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

**Work remotely / Work From Home with BigStep Technologies throughout your tenure**

Desired candidates must have 7+ years of total experience in backend development with good expertise in MEAN Stack (MongoDB, ExpressJS, AngularJS, Node.js) and JavaScript, along with strong development and coding skills, good analytical and problem-solving skills.

Roles and Responsibilities :

What You'll Do

• Create the system architecture for any product from scratch as well as drive it for more than one development teams
• Design and deliver solutions that enable fast and efficient deployment of quality code to production
• Document the architectural blueprint and end to end design through flowcharts and diagrams.
• Set coding standards for development teams and ensure all released code is following standards
• Oversee the code review process, performing reviews when necessary
• Establish strong communication channels and relationships with the development teams, supporting them throughout the release cycle
• Continuously evaluate the existing software to identify areas of improvement and ensure architectural integrity as additional features are added.
• Lead DevOps and implement tooling and process improvements when you identify gaps
• Work with various stakeholders and identify the scope of the work, provide high level estimations, create a timeline and come up with the approach and design for the same.
• Evaluate and recommend tools, technologies and processes to ensure the highest quality product platform.
• Coach and mentor the development teams to improve the overall expertise and skills of the team.
• Take care of the development of critical components and POCs for new technologies to be used.
• Deliver high quality deliverables individually/as a team adhering to industry best practices.
• Troubleshoot any errors or issues that arise in the application/infrastructure components quickly and efficiently.

What You Bring

• 7+ years in software development or product engineering
• Proficient in MEAN Stack
• Good experience in backend development with Node.js
• Expertise in developing RESTful APIs
• Have created multi-transactional and highly redundant systems from ideation to production
• Customer-centric mindset
• Expertise in Agile SCRUM best practices
• Expertise in implementing front-end of applications using HTML5, Angular.js
• Proficient in MVC, OOPS concepts, Web Development Concepts, HTML, JSON, REST API development
• Strong coding skills, good analytical and problem-solving skills
• Ability to break down complex technical concepts into something digestible by non-technical stakeholders

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