
Card91 is simplifying business payments by providing a plug and play issuance infrastructure
to businesses for domestic and cross-border payments. Our full stack platform enables
businesses to gain control and visibility into their payment flows, controlling the entire payment
lifecycle from onboarding, to issuance, to transaction and data reconciliation. The platform
aims to provide holistic solutions around payment issuance and distribution management. Our
deep focus in payments will help us in bringing new issuance formats as well as technologies
to businesses.
The company has been founded by seasoned technology entrepreneurs who have founded
successful companies like Myntra, Mastiff Technologies earlier. Headquartered in Bangalore,
with presence in Mumbai and NCR, Card91 aims to disrupt the payment infrastructure space
in the issuer-processor segment.
Position: Java Developers
We are building our core team which will be responsible for a highly scalable, always available
microservices based backend for payment processing. The developer will be involved with the
design, implementation, and execution from day one and build a robust, secure, and scalable
payment processing engine.
Roles & Responsibilities
● Individual Contributors talking full ownership of the micro services
● Design and Implement the micro services from scratch
● Be creative and always try to evaluate new strategies to execute faster
● Team player and always eager to teach new team members about the code, structure
and design
● Not afraid of bringing new designs (even languages) which will make the system
execute faster
Experience and Qualifications
● Having 2 - 5 years of experience
● Degree from a premier institute like IIT/NIT/BITS is desirable
● A strong expertise in Java/Spring/Spring Boot/Hibernate/Java
● Experience in developing highly scalable and reliable web applications, including
integration with internal and external systems.
● Experience building web services in REST with technologies like Spring Boot, Spring-
WS, spring MVC or JAX-RS
● Should be able to write test cases (unit and functional) to cover most of the code
● Experience in databases like MySQL and NoSQL db like Cassandra, etc.
● Experience with Cloud computing AWS & Microservices architecture
● Exposure to front end technologies like VueJS, ReactJS etc is an advantage
● Knowledge on Redis, ELK stack or Temporal BPM is a big plus
● Docker & Kubernetes experience is a big plus
● Previous experience of Fintech company is an added advantage
What’s on offer
● Vibrant, fun and rewarding culture that nurtures and promotes excellence
● Opportunities to learn and interact with payment industry leaders
● Competitive remuneration, group health insurance & PF
● Other office perks of being part of an early-stage Start-up
● Location: HSR Layout, Bangalore

About Card91
About
Connect with the team
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Mandatory
- SaaS experience of 2 years with total development experience of 4 years
- Must have worked in a smaller company of less than 100
- Should have built solutions/softwares end to end and not just as a part of bigger team
- Should see themselves going deeper into the same role even 5 years down the line
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- Strong understanding of asynchronous programming, event-driven architecture, and Node.js design patterns.
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Essential
- Proficiency with version control systems like Git.
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Stable Money presents a great opportunity to be a part of the founding team and participate in the 0 to 1 journey If you have at least 6 years of experience and you're someone who's all about distributed architectures, system design wizardry, and making Go or Java dance to your tune, read on!
What We’re Looking For:
Architecting Marvels: Designing and implementing scalable, resilient distributed systems that make our platform sing.
Coding Ninjutsu: Crafting elegant, efficient code in Go and/or Java that runs like clockwork.
Keeping Watch: Hands-on with monitoring and troubleshooting using open-source Observability stack—think Loki, Grafana, and all things metrics.
Cloud Whisperer: Leveraging core AWS services to build and maintain robust infrastructure that never sleeps.
Pipeline Maestro: Setting up and optimising CI/CD pipelines to keep our deployment game strong.
Mentoring Mastery: Guiding and mentoring junior engineers, sharing your wisdom and helping them grow into future stars.
Bonus Points:
Startup Savvy: Thrived in the fast-paced, dynamic environment of a startup.
Fintech Finesse: Familiarity with the unique challenges and regulations of the fintech industry.
If you're excited about joining a dynamic team where you can architect, code, mentor, and innovate, send us your resume! Let's chat about how you can help us revolutionize the fintech space. 🚀
Role & Responsibilities:
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Handle multiple products/modules simultaneously, lead the team in development and support
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Lead development teams
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Daily updates to customers and Product Managers/Delivery Managers
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Participate in design discussions
-
Design and Architect small modules
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Effort estimations for modules, subsystems or use cases.
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Learn new skills and mentor the new team members
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Champion best practices within the team, including code reviews
Work Experience & Skills:
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B.E/B.Tech or any relevant Masters degree from reputed college.
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Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring, JDBC, Jquery, Java script, HTML 5 and CSS
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Strong experience in Postgres or any SQL technology
-
Experience with working on Tomcat, Apache, JBoss or any similar application server
-
Should have 3+ years of experience in leading team.
-
Good experience in JSON / RESTful API / Web Services.
-
Experience in working on Agile methodology using Scrum and sprints
-
Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
-
Experience in cloud technologies, Microservices and frameworks such as AWS or GPC,
container technologies like Docker is a plus.
-
Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
-
Experience in Microservices, SpringBoot and Angular is a plus.
-
Experience with tuning deployed applications for scalability and performance.
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Good knowledge of deployment and scripting on Linux/Unix servers
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Strong technical documentation skills.
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Good oral and written communication skills
Senior Software Engineer - 221254.
We (the Software Engineer team) are looking for a motivated, experienced person with a data driven approach to join our Distribution Team in Budapest or Szeged to help design, execute and improve our test sets and infrastructure for producing high-quality Hadoop software.
A Day in the life
You will be part of a team that makes sure our releases are predictable and deliver high value to the customer. This team is responsible for automating and maintaining our test harness, and making test results reliable and repeatable.
You will…
•work on making our distributed software stack more resilient to high-scale endurance runs and customer simulations
•provide valuable fixes to our product development teams to the issues you’ve found during exhaustive test runs
•work with product and field teams to make sure our customer simulations match the expectations and can provide valuable feedback to our customers
•work with amazing people - We are a fun & smart team, including many of the top luminaries in Hadoop and related open source communities. We frequently interact with the research community, collaborate with engineers at other top companies & host cutting edge researchers for tech talks.
•do innovative work - Cloudera pushes the frontier of big data & distributed computing, as our track record shows. We work on high-profile open source projects, interacting daily with engineers at other exciting companies, speaking at meet-ups, etc.
•be a part of a great culture - Transparent and open meritocracy. Everybody is always thinking of better ways to do things, and coming up with ideas that make a difference. We build our culture to be the best workplace in our careers.
You have...
•strong knowledge in at least 1 of the following languages: Java / Python / Scala / C++ / C#
•hands-on experience with at least 1 of the following configuration management tools: Ansible, Chef, Puppet, Salt
•confidence with Linux environments
•ability to identify critical weak spots in distributed software systems
•experience in developing automated test cases and test plans
•ability to deal with distributed systems
•solid interpersonal skills conducive to a distributed environment
•ability to work independently on multiple tasks
•self-driven & motivated, with a strong work ethic and a passion for problem solving
•innovate and automate and break the code
The right person in this role has an opportunity to make a huge impact at Cloudera and add value to our future decisions. If this position has piqued your interest and you have what we described - we invite you to apply! An adventure in data awaits.


Job description
We are Virtual Internships, an EdTech startup on a mission to bridge the gap between education and the workplace by making internships accessible to all.
Over the last four years, we’ve established partnerships with 12,000+ companies, 100+ universities, and supported thousands of students and graduates in becoming more employable via our online work experience product.
We are a team of 130+ across 25+ countries, and recently https://techcrunch.com/2022/09/14/virtual-internships-matches-students-with-top-companies-around-the-world/">secured our Series A funding from investors such as Hambro Perks, Sequoia Capital, Kaplan, Arsenal Growth, and Ascend Vietnam Ventures - who have collectively guided the likes of Google, Linkedin, WhatsApp, Canva, Udemy, and Applyboard.
Our 2022 awards include:
-
Ranked 23rd out of 13,000 organizations in https://www.escapethecity.org/escape100/2022?utm_source=media_kit&utm_medium=blogpr&utm_campaign=esc100_2022&utm_id=launch">The Escape 100: the top purposeful organisations to ‘escape’ to in 2022
-
https://www.techinasia.com/50-rising-startups-southeast-asia">Tech in Asia’s “Top 50 Rising Startups” (No.6 in Vietnam)
-
Top100 EdTechStartup Selected by https://www.holoniq.com/notes/holoniq-europe-edtech-100/">HolonIQ
-
Finalist for https://www.businessleader.co.uk/gotech-awards-22-finalists/">Go:Tech Awards
Your Role
Become one of our new Senior Software Engineers, where you will play a role in building an enterprise-level WordPress platform. If you want to work in a flexible environment where you can own technology, strategies, design, and build new systems from scratch using the tools YOU choose, read on!
-
Work with the Marketing team to conduct a plan for building the website and scale-up plan yearly.
-
Development/Deployment of enterprise-level WordPress plugins and themes in a WordPress VIP multi-site environment.
-
Building and collaborating with developers from other teams to create modular, extensible PHP and JS solutions (plugins, packages, blocks, and components).
-
To create own themes based on requirements from HTML scratch.
-
Local Development Environment Setup/Configuration.
-
Theme and Plugin Security.
-
Understanding of best standards and guidelines about WordPress.org.
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Ability to handle complex problems from design to execution and deliver in time bound manner under constraints.
-
Autonomously architect, prototype, and maintain solutions to different problems.
-
Comfortable wearing many hats and willing to work on all parts of the stack.
Your Impact
In your first month, you will:
-
Get onboarded and brought up to speed with all things VI - our company structure, product, mission, and values
-
Meet with colleagues across the company and start building relationships that will help you better understand the company
-
Review our current programs, systems, and data so you can gain insight into where we currently are
-
Take over our new WordPress website which is in setting phase
Within 3 months, you will:
-
Take ownership of your role and started working directly with stakeholders.
-
Have strong relationships with our external vendors and be the front line of people support for the company
-
Deliver 1st version of the new website.
-
Coordinate with analysis to set up Google Analytics and other tools.
Within 6 months, you will:
-
Work with the Marketing team to maintain, and improvement by the analyst result of the new website.
-
Be a strong technical advisor for the marketing team about SEO/other Google and WordPress technologies.
Job Requirements
-
A Bachelor’s degree is preferred.
-
Extensive experience in writing and building PHP applications at scale using object-oriented coding, namespace, autoloading, dependency injection, PHPCS, Psalm, PHPUnits etc., as well as interacting with REST API/ GraphQL
-
Familiarity with WordPress development (multisite, configuration, parent/child themes, plugins, Gutenberg) and understanding of security concerns and site optimization for performance.
-
Possesses an understanding of and commitment to web standards, including web accessibility standards (WCAG)
-
Familiarity with package managers for PHP (Composer) and JS (NPM/Yarn)
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Familiarity with PSR specifications
-
Previous working experience with Code versioning and code review
-
Previous working experience with Docker, Git, and dependency management via Composer
Consider this our wish list. We know there will be great candidates that don't meet every one of these criteria—if you're passionate about the role and have early-stage startup experience, we'd still love to hear from you.
What do we offer?
One of our core values at Virtual Internships is transparency. That’s why, we’re allowing you to ‘try before you apply’ in our “https://www.notion.so/virtualinternship/Virtual-Internships-VI-P-GUIDE-0aaa39e9a3304d4cbc19fad96bd0c72d">VI-P Guide” which includes our values, how we operate, how we build our packages, and how we interview.
To give you an example of some of our perks and benefits:
-
Flexible Working Hours - start earlier, leave earlier, take a shorter lunch or leave a bit later, it's totally up to you.
-
Remote First - work from anywhere, with a budget to support your remote setup
-
Learn from the world’s best - access to exclusive content including how-to guides and playbooks from Sequoia/500Global-backed organizations
-
Professional Development Budget - dedicated budget towards content/platforms/courses that can contribute to your professional growth
-
Impact - we’re still at an early stage, so your impact is magnified. You will likely be solving something that hasn’t already been solved or you will be taking something to an entirely new level!
-
Birthday Leave - go enjoy yourself on your birthday without needing to use your annual leave
-
Meritocracy - a culture that prides itself on internal promotions and meritocracy. The majority of our managerial team has risen up (quickly), including our COO, CAO, CFO, Head of Host Companies, and Head of Intern Experience.

- LAMP Stack
- Laravel Framework
- HTML Framework
- Bootstrap
- Javascript Framework
- Ionic Framework - Capacitor for making hybrid mobile app
- E-Commerce frameworks
- SQL
- Payment Gateway
Skills:
- Familiarity with PHP and popular CMSs such as WordPress, Joomla
- Good working knowledge of Database concepts
- High-quality & optimized code
- Strong knowledge of JSON & the REST API is an added advantage
Requirements:
- Minimum 1 to 3 years of experience
- Good communication
- Willingness to learn new technology
- Analytical skills
- Team player
- Quick & Independent-learner
- Problem-solving skills



· 4+ years in a software engineering role
· You want to work in a highly collaborative environment: we believe a team can be stronger than its individual parts
· Are independent and curious
· Are comfortable owning features from design through delivery to production
· Have experience with one or more modern programming languages
· Are willing to dive into a large code base and contribute immediately
· Enjoy writing code that is understandable, maintainable, and testable
· Collaborative and Communicative - you love being part of a diverse team, building consensus, and establishing credibility.
You are a Class-A communicator: curious, thoughtful, clear, and (mostly) correct.
· BA/BS degree from top institution; MBA or CompSci degree preferred but not required.

Job Description
The candidate must have ability to deliver the project alone or with the help of junior programmers. The candidates must have good communication skills to communicate with the clients and in-house cross-department team members.
Have sound knowledge in MVC Frameworks, Database Structure, CMS & eCommerce Development. Able to write clean code that follow industry standards and scalable.
Experience in Agile development process & Complete SDLC.
Skills-
Good experience into Core PHP - framework like Codeigniter.
Knowledge of HTML,Jquery, CSS, JavaScript, CSS, AJAX, MySql etc
Responsibilities and Duties
- Must be self-driven and highly organized.
- Design, code, test, debug and document software according to the functional requirements.
- Strong Logical Programming Skills required.
- Must have good communication skill.
- Self-starter and effective team player.
- Team leading and client interaction exposure would be an added advantage.
- Understanding the fully synchronous behavior of PHP
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Familiarity with limitations of PHP as a platform and its workarounds
- Creating database schemas that represent and support business processes


Job Description-
Backend Developer- Senior
Experience - 3-6 years
Location: Pune/Kota
Minimum Qualifications:
- BE/B.Tech or ME/M.Tech in Computer Science.
- Must have “Can Do Attitude” towards work
- Must have work exp of 3-6 years
- Must have programming exp of 1-2 years in any of Python/Golang/Java languages
- Must have worked in product based company
- Ready to work in a startup and adaptable to a dynamic environment
- Ready to accept ad-hoc requirements and track them till they get implemented
- Ready to learn new technologies like Andriod, Angular, etc.
- Good at HTTP basics, OOPs concepts, data structures, algorithms, networking and
security aspects
- Ability to write clean code and maintain it
- Good at SQL/No-SQL databases
Preferred Qualifications:
- Experience in any good product based startup
- Experience in working with the team and managing a small team of 2-5 associates
- Experience in being a mentor for co-developers
- Experience in design/developing scalable systems.
- Experience in public cloud platforms services/APIs of AWS, Google Cloud, etc.
- Experience in data engineering
- Experience in SOA/Microservice architecture development
Responsibilities:
- Design and develop scalable services and APIs in Python/Golang
- Always maintain the services secure
- Should optimize APIs for mobile data and apps
- Use off-the-shelf and state-of-the-art services for faster development of product
- Guide team members with designs
- Take the end to end ownership of features and resolve customer issues on priority
- Mentor/guide/monitor junior developer
- Expertise Android/Angular to the required extent and guide app developers while
designing APIs
Opportunities in the role:
- LearnAngular, Python, Node.js, Golang, ELK stack, MEAN/MERN
- Work on AWS, Azure, Google Cloud Platform
- Work on databases like RDS, MongoDB, Big Table & DynamoDB, Redis, Aerospike
- Experience with SQL/ NoSQL Databases (RDS, DynamoDB, Google Datastore, Redis)
- Experience with ELK stack.
- Fast prototyping of proof-of concept features/application based on a brief
- Work on data engineering
Job brief
We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.
Responsibilities
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Requirements
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven hands-on Software Development experience
- Proven working experience in Java development
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience as a Sun Certified Java Developer
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
- Experience with test-driven development

