Java Developer

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: 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

RESPONSIBILITIES
The Senior Software development engineer core responsibilities include technically leading a
small team of software development engineers along with writing code in a highly modular,
scalable, maintainable, unit tested platform. You will be working in a fast-paced, agile, dynamic
work environment that has an immediate business impact.

MUST HAVE
● You have 5-7 years of relevant Industry experience.
● You have experience in technically leading a small team of highly motivated engineers,
in guiding them in understanding of requirements, in architecture/design (high level/low
level) of the applications, in best coding and QA practices, in reviewing their software
artefacts.
● You are a rockstar programmer/coder - should be able to convert requirements/design
into code fluently.
● You have a strong concept in design principles, patterns.
● You have good experience in Linux OS.
● You have a solid foundation in computer science, with strong competencies in data
structures, algorithms and software design.
● Have a penchant for solving complex and interesting problems.
● Worked in startups like environment with high levels of ownership and commitment.
● BTech, MTech or PhD in Computer Science or related Technical Discipline - preferably
from premier Engineering colleges.
● Good skills to write unit & integration tests with reasonable coverage of code &
interfaces.

NICE TO HAVE
● Knowledge of databases, Cloud, preferably AWS
● Experience in Python, Python frameworks and libraries, and NodeJS.

REQUIREMENTS AND RESPONSIBILITES
• Strong proficiency with Java programming & DevOps
• -Must have experience on Micro-Services using Spring boot/Jersy/Swagger.
• Must havegood knowledge on Dockers.
• Must have at least 1to 2 years’ experience of Web application
• Knowledge of OOP concepts, industry best practices and design
• Well versed Back-end build pipelines and tools-Professional, precise communication
skills
• Work experience writing Unit Tests
• Work experience on applying the best practices ofWeb Applicationdevelopment
• Working experience in an Agile team especially with SCRUM

• Good understandingof DevOps, CI/CD principles and practices
toimprove Software Quality & Efficienc
• Good understanding of web technology/enterprise level applications
• Good to have experience in in JavaScript frameworks
• Good to have experience in Agile Methodology
• Good to have previously worked on distributed systems
• Good to have working knowledge on Kafka and Redis
• Good to have exposure to stream processing and functional
programming


CANDIDATES MUST HAVE
• JAVA 8 or above
• DevOps
• 1+years of Web Development experience
• Javascript Framework
• Hibernate &Mircroservices

Qualification & Experience

Skills
1. Ability to read the documentation and perform 3rd party API integrations
2. Experience with Postgres and Redis
3. Experience with AWS - EC2, RDS, DynamoDB, etc
4. Experience with Python

Dashboard
Skills
1. Experience with Django
a. Django Web
b. Django REST
c. Django Channels
d. Django Celery (Queues and Brokers)
2. Experience creating a dashboard with login, user profiles, roles and permissions, reports
3. Experience with Facebook and Twitter OAuth
4. Experience with handling database migrations


Chatbot
Skills
1. Basic understanding of NLP - intents and entities
2. Strong understanding of dialogue management and conversation flow
3. Integrations with Facebook and Twitter APIs.
4. Creating and managing Facebook and Twitter apps
5. Understanding of webhooks and REST APIs.

Full Stack Developers who will work with the core product team which will give exposure to the end-to-end life cycle of product development. Should have experience in : Should have experience in NodeJs product development with expressJs & Mongodb Should be familiar with API integrations and development HTML5/CSS/JavaScript and familiarity with Frontend JS Frameworks Experienced with REST API implementation Exposure to scrum or another agile methodology High proficiency with development tools and workflows (modern source control systems, unit testing, continuous workflow, and such) Should have experience in React Js and react native experience is a plus

edWisor.com was founded 3 years ago to solve for lack of job skills & low employability problem faced by working professionals, fresh graduates & unemployed engineers worldwide. Our mission is to make 1,000,000 people employable into high growth tech careers by 2021 & we are on track to achieve this goal. Currently, our platform is visited by more than 50k users per month and we have grown from 2 people to a team of 85 people in our Gurgaon offices. With our international expansion to US, UK & Europe we are looking to hire for a leader to scale our technology architecture which is built on full stack web stacks- Node.js, Angular, Reactjs, Cloud, Devops. Given that our new product pipeline requires the application of Machine learning & AI stacks, if you possess a combination of full stack web along with AI skills, you might be the right fit for this role. You should have atleast built & scaled up a team of 10-15 engineers for web & mobile products along with AI and now you must be looking for the next big thing to grow. This role can also offer you learning opportunities into product management if you are keen to learn that skill while scaling up tech. Min. exp 5-7 yrs into product based companies

Job Title: Technology Lead Responsibilities We are looking for a Technology Lead who can drive innovation and take ownership and deliver results. • Own one or more modules of the project under development • Conduct system wide requirement analysis. • Quality, on time delivery of agreed deliverables. • Mentor junior team members • Flexible in working under changing and different work settings. • Contribute to the company knowledge base and process improvements. • Participate in SDLC • Design and implement automated unit testing framework as required • Use best practices and coding standards. • Conduct peer reviews and lead reviews and provide feedback • Develop, maintain, troubleshoot, enhance and document components developed by self and others as per the requirements and detailed design Qualifications • Excellent programming experience of 5 to 10 years in Ruby and Ruby on Rails • Good understanding about Data Structures and Algorithms • Good understanding about relational and non-relational database concepts (MySQL, Hadoop, MongoDB) • Exposure to front-end technologies like HTML, CSS, Javascript as well as JS libraries/frameworks like JQuery, Angular, React etc. is a strong plus • Exposure to DevOps on AWS is a strong plus Compensation Best in the industry Job Location: Mumbai