Cassandra Architecture

About Card91
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

-Strong exp 5+ yrs in asp.net MVC and Web API
-Min 1 yrs exp in dotnet core
-Strong in SQL database
-Excellent communication skill
-Open for Pune or Permanent remote

A network of the world's best developers - full-time, long-term remote software jobs with better compensation and career growth. We enable our clients to accelerate their Cloud Offering and Capitalize on Cloud. We have our own IOT/AI platform, and we provide professional services on that platform to build custom clouds for their IOT devices. We also
build mobile apps, run 24x7 devops/site reliability engineering for our clients.
We are looking for a Backend Engineer (Python/Django) with a demonstrated track record of developing and maintaining production services, innovative thinking, and technical excellence!
Can do it attitude, and the ability to deliver with high velocity and high quality at the same time.
You will be working on our IOT/AI cloud platform and building/architecting/coding as well as leading technical other engineers in a team. Backend is python/django and/or node js. Frontend is reactjs. You will help the team troubleshoot and design better.
This person MUST have:
- B.E Computer Science or equivalent
- 5 years’ experience with the Django framework
- Experience with building APIs (REST or GraphQL)
- Strong Troubleshooting and debugging skills
- React.js knowledge would be an added bonus
- Understanding on how to use a database like Postgres (preferred choice), SQLite, MongoDB, MySQL.
- Sound knowledge of object-oriented design and analysis.
- A strong passion for writing simple, clean and efficient code.
- Proficient understanding of code versioning tools Git.
- Strong communication skills.
Experience:
- Min 5-year experience
- Startup experience is a must.
Location:
- Remote developer
Timings:
- 40 hours a week but with 4 hours a day overlapping with client time zone. Typically, clients are in California PST Time zone.
Position:
- Full time/Direct
- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
- We don’t believe in locking in people with large notice periods. You will stay here because you love the company. We have only a 15 days’ notice period

Primary Responsibilities:

 

• Principal Engineers  are responsible for driving Technology and Engineering Best Practices in their respective teams.
• They should demonstrate a high level of ownership and accountability for their product and software systems.
• They are expected to go above and beyond their role by contributing in tools, processes and practices which bring operational efficiency and are aligned with business goals.
• They are expected to actively participate in development along with team members and create systems and modules which represent a working model of engineering best practices.
• They are expected to participate in code reviews, design reviews, architecture discussions.
• They are responsible for the Engineering metrics/health of their systems including strong alerting and monitoring mechanisms.
• They are expected to lead the adoption of best practices around coding, designing, performance of systems in a team.

 

Experience or Skills Required:

 

• B.Tech or Advanced degree in Computer Science with 6-12 years of industry experience in product based companies.
• Proficiency with Basic libraries for machine learning such as scikit-learn and pandas
• Experience in building solutions based on Linear Regression, Logistic Regression, K Nearest neighbor, SVM, Random Forest, Decision Trees.
• Strong experience with at least one of programming languages: Python, Java, Vertx, Golang
• Strong experience in building Server side reusable components based on Microservices or Distributed Architecture.
• Solid coding skills with ability to lead teams in identifying clearing tech debts for large scale code base.
• Good understanding & experience in improving performance of scalable and real time responsive applications.
• Excellent Problem Solving skills and an aptitude to approach problems from first principles and build solutions for those.
• Must have excellent communication (verbal & written), interpersonal, leadership, and problem solving skills.
• Must be able to work independently and enjoy working at a fast paced start-up environment
• Excellent Mentoring skills. Be the technical mentor to your team.
• Must be comfortable working in fuzzy environments where boundaries are not clearly defined.

Our team requires a highly skilled NodeJs engineer who is willing to be part of a high performing team where you can learn from your mentors. We have high expectations of our engineers within the organization and only the best and most disciplined in their work are expected to succeed. Engineers have aggressive daily and weekly targets set for them and are required to work a standard working week. Your output of work is measured daily, both from a quantitative as well as a qualitative aspect. You will receive daily and weekly feedback on your performance which will help you resolve blockers and ensure you are meeting your targets. Candidate Requirements ● 5+ years of hands-on development experience with 2+ years in an architect or similar position. ● Proficiency in building web-based applications using NodeJs, Express, MEAN stack ● In-depth knowledge of JavaScript Stack. ● Experience of using NodeJs with an RDMS backend (PostgreSQL/MySQL/SQL Server) is good to have. ● Participated in teams on product technical strategy. ● Strong communication skills (listening, questioning, talking to the point, fluent English). ● Very good knowledge of Engineering practices (CI, CD, Branching strategies, Testing types). ● Very good knowledge of application's architecture (3-tier app, SOA, Caching, AWS/Azure, Docker) ● An inclination to get things done based on clear/aggressive goals setting and improving on productivity metrics

Artificial Learning Systems India Pvt. Ltd. is looking for an exceptional Technical Lead who will work with the engineering team and will have a good background in, and understanding of, software systems, and one who has the ability to work closely with the rest of the Engineering team from the early stages of design all the way through identifying and resolving production issues. Candidate Profile: The ideal candidate will be passionate about this role which involves deep knowledge of both the application and the product, and he/she will also believe that automation is key to operating large-scale systems. She/he should have created and led an application development from scratch. Should have good scaling experience of DB. Education: BE/B.Tech. from reputed College Technical skills required: • 5+ years’ experience as a backend web developer in Python • Software design skills in product development • Strong understanding of the 3 key areas of web application architecture server backend, frontend presentation (HTML, CSS) and interactive web (JavaScript and jQuery) • Proficiency in a modern open-source NoSQL database, preferably Cassandra • Proficient in HTTP protocol, REST APIs, JSON • Ability to do database design and modeling • Experience with Flask (Must have) Django (Good to have) • Experience with Gunicorn, Celery, RabbitMQ • Experience in AWS

Must have skills: -Very strong coding skills on Core Java (1.5 and above) -Should be able to analyze complex code structures, data structures, algorithms/logic -Should have hands on knowledge of working on Java -Multithreading (juml)programs -Should have expertise in Java Collection framework -Must have good exposure on Struts/JSP services/Jquery/Ajax, Json-based UI rendering Good to have skills (not mandatory): -Good working knowledge on Java script/Jquery framework -Should have used HTML5/CSS5/Node.js/D3 framework in atleast one of the projects earlier -Hands on latest technologies like Cassandra, Solr, Hadoop would be an advantage -Knowledge on Graph structures would be desirable

We are a securely seed funded startup, with over 40 order a day even before launch. Our Machine learning algorithm recommends the right products from over 100,000 products. We have over 500 influencers on ground working for us. We also have on board senior advisors Rahul Yadav (Founder of housing.com) and Dharmil Sheth (Founder of Pharmeasy ) We are looking for a Tech co founder with extensive experience to lead the team and product end