
● Write clean, maintainable and efficient code
● Design robust, scalable and secure features
● Contribute in all phases of the development lifecycle
● Follow best practices (test-driven development, continuous integration, SCRUM, refactoring and code standards)
● Drive continuous adoption and integration of relevant new technologies into design
Requirements
● 4 to 8 years of experience in developing applications using Ruby on Rails
● Experience in Rails gems like rspec, devise, cancan, active-admin
● Proven work experience in software development
● Experience in writing ReSTful APIs
● Demonstrable knowledge of front-end technologies such as JavaScript, HTML, CSS and JQuery
● Experience developing highly interactive applications
● A firm grasp of Object Oriented analysis and design
● Passion for writing great, simple, clean, efficient code
● Good knowledge of relational databases
● Working knowledge of NoSQL database
● Experience in using AWS services is a plus.

About Mintifi
About
About Mintifi
We are Mintifi, a Mumbai based fin-tech working on India's first data-driven supply chain financing platform.
We are solving huge problem of inefficient and costly access to credit for millions of Indians distributors and retailers. We use hi-tech data driven and new-age credit models and IT solutions to solve this.
We are founded by experienced entrepreneurs having experience in Investment Banking, SME Lending and Distributed Processing systems and building the businesses ground up.
We have big ambitions and dreams of disrupting the supply chain lending landscape in India. In fact, we are already doing it from last 1 year. Yet, we have only scratched the surface of the problem and the underlying opportunity and that’s where the fun begins.
If you want to part of exciting and challenging journey, love to solve complex problems, if finding the path amid uncertainties excites you, we are the place for you.
Connect with the team
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Good understanding and experience of HTML / CSS / JavaScript.
Hands-on experience with ES6 / ES7 / ES8 features.
Thorough understanding of the Request Lifecycle (including Event Queue, Event Loop,
Worker Threads, etc).
Familiarity with security principles including SSL protocols, data encryption, XSS, CSRF.
Expertise in Web Services / REST APIs will be beneficial.
Proficiency in Linux and deployment on Linux are valuable.
Knowledge about ORM like Sequelize and ODM like Mongoose and the ability to handle
DB transactions is a necessity.
Experience with Angular JS / React JS will be an added advantage.
Expertise with RDBMS like MySQL / PostgreSQL will be a plus.
Knowledge of AWS services like S3, EC2 will be helpful.
Understanding of Agile and CI/CD will be of value.

• Hands on RDBMS experience with Oracle/ PostgreSQL/ MySQL/SQL
Server including transaction management, SQL programming, data
modelling, etc.
• Must have proven track record of logical data modeling and physical
data modeling
• Experienced in using ORM frameworks like Hibernate, etc.
• Basic understanding of NoSQL systems like Redis (Key-Value store),
MongoDB (Document store), Elasticsearch (Search / Document store)
• Design, Development & Deployment of Microservices using Spring
Boot or any other framework.
• Understanding of building EDA-based (Event Driven Architecture)
systems.
• Basic understanding of any public cloud (AWS, Azure, GCP)
• Ability to design & architect a system that exhibits basic
characteristics like modularity, configurability / extensibility, scalability
& availability.
• Maven / Gradle
• Experience in using & configuring Jenkins.
• Experience in using & configuring SonarQube.
Essential Requirements
• Hands-on with Java Platform (1.5 & above) having proficiency in OOPs
concepts, Collections,
• Generics, Streams, Multi-threading (Executor Framework), Functional
Programming.
• Design & Development of REST Web Services (Spring MVC / REST /
Jersey / Apache CXF, etc.)
• Hands-on experience using Spring framework (4.x & above)
• Core / Beans
• MVC / REST
• Security
• Spring Data / JPA
• Spring Test / JUnit
• JMS


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: Python Developer
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 Python framework (like Django, Flask or Pyramid)
● Experience in creating APIs with design standards, patterns and best-practices
● Knowledge of object-relational mapping (ORM)
● GoLang experience is a big plus
● Experience building web services in REST
● knowledge and hands-on experience in API security standards and implementation
(Oauth, OpenId)
● Experience in developing highly scalable and reliable web applications, including
integration with internal and external systems.
● 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
● 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 startup
Location: HSR Layout, Bangalore

• Core knowledge of PHP and Laravel frameworks
• Fundamental understanding of front-end technologies like HTML5, CSS3, and JavaScript. Check if the CSS, HTML, and JavaScript are accurate and consistent across different apps
• Basic knowledge in SQL and NoSQL databases is a plus.
• Build and maintain innovative web applications and websites using modern development tools.
• Document and continuously update the development process, project components, and task progress based on Organization requirements
• Solid experience working with PHP, the latest Laravel version.
• Design and maintain databases.
• Optimize performance by performing UI and back-end tests
• Scale, expand and improve our websites and applications, Perform debugging and troubleshooting on apps.
• Effectively communicate with clients and other teams when needed
• Update on current industry trends and emerging technologies and apply them to the development process
- Writing software that other developers use, including libraries, APIs and wallets.
- Building secure and high-performance networked software that will be used by enterprise customers.
- Solving development challenges and making architectural decisions by understanding the larger picture of the project’s goals.
- Expanding your existing skill-set, and not being afraid to enter uncharted territory.
- Understanding Rust design patterns and writing performant and maintainable code in the language.
- Paying close attention to unit-testing and security.
- Confidently communicating and collaborating with your fellow developers in a remote team environment.
What you need to have:
- 1 year of Rust development experience
- 3+ years of software development experience
- Experience using the Git Version Control System (VCS)
- Experience with unit testing
- Fluent in English, written and spoken
- Team player that thrives in a collaborative environment
- Experience with blockchain and/or Ethereum smart contracts
- Experience in PHP, Laravel, MySQL, or Javascript is a plus
- Experience with GraphQL is a plus
- You are motivated by challenging projects, and you absolutely love developing with Rust.
- You are humble, diligent and patient


Responsibilities
Design Develop and maintain web functionalities
Work with Tech Lead to propose a technical solution
Liaise with designer to implement the UI/UX elements for web and mobile interfaces
Troubleshoot production problems and provide user support.
Design and conduct tests:
- Integrate multiple systems from different vendors with seamless data flow
- Investigate new technologies and continue to update your technical skills
- Write well-structured and testable code following the set guidelines
Requirements
Degree in IT or equivalent
More than 3 years of web-based application development experience in PHP.
Strong knowledge of PHP web frameworks: CodeIgniter, Laravel, Bootstrap, AngularJs, Angular Material, Symphony, Zend, Cake and Flask.
Languages
PHP, JavaScript, HTML, CSS, Python.
Databases: MySql
Operating Systems: Ubuntu, Windows and Macintosh.
Others: jQuery, AJAX, JSON, Celery, Git, API, AWS, Facebook API, Twitter API, Google API,PayPal Integration, nginx, Apache,AmCharts, Mpdf and PhantomJs.
Mandatory:
Strong knowledge in Continuous Integration/Continuous Delivery tools, e.g. Jenkins
Strong knowledge in planning for testing strategy, test suites and test cases.
Proficient understanding of code versioning tools (e.g. Git)
Understands web trends, including social media integration and the impact of the growth of mobile/tablet browsing
More than 3 years of web service (REST, SOAP) and API development and management
Strong Knowledge of security standards and techniques for web applications
Strong technical knowledge in software development methodologies, design patterns and implementation
Proven ability to carry a feature from start to finish, including prototypes, design specifications, constructive coding, unit testing and problem resolution
Preferred
Strong in SQL & PL/SQL and have good working knowledge on the relational database(s) (MySQL)
Experience With Selenium Web, Appium, Endtest.io Automated Regression Tools
Advantage
Experience with other server-side stacks (Node.js, Python, Java etc.) a plus
Experience developing native or hybrid mobile applications for IOS and/or Android a plus
Experience in the development and production of standards-based websites using HTML/5, CSS/3, JavaScript, jQuery, AJAX, JSON across multiple browsers a plus




