Backend Developer

• 5+ years of experience working with MySQL Databases, including the community edition
• Advanced understanding of Linux OS
• Can use SSH to connect to remote systems with password & public/private keys
• Deep understanding of systems performance
• Understand automation concept to speed up the work: Ansible
• Advanced knowledge on InnoDB internals
• Expert knowledge of Performance Schema
• Knows how to optimize queries/schemas
• Deep understanding of replication and clustering
• Knows backup solutions and strategies
• Knows HA solutions and strategies
• Knows proxy usage as it relates to MySQL
• Designs and executes overall database architecture strategy, standards and practices.
• Works closely with project teams to develop data models that support business processes.
• Works with application development to ensure database changes adhere to best practices and are properly prioritized and scheduled.
• Supports all areas of the enterprise - ensures that all databases run at optimal performance
• Proactively identifies and troubleshoots databases performance issues
• Ensures that industry wide security standards are properly implemented

 

A) Skills Required
Essential Skills (Two top
skills)

 Java 8
 AWS – ECS, SQS

B) Other Information
Educational
Qualifications

Graduate

Experience Mid-level (5+)

Minimum Qualifications:
 Java 8 bases web application developer
 hands on experience with writing sql queries (RDS)
 AWS knowledge like ECS, SQS;
 understands CICD and git
 webserver – tomcat
 uses best practice for code quality, static & dynamic
security scans
 Bachelor’s in computer science/Information
Technology or related field
 Outstanding at triage or analysis of situations for
production support
 Excel with on time delivery with minimal direction
 Effective verbal and written communicator
 Effective participant of requirements gathering
requirements analysis

- Knowledge of Node.js and frameworks such as Express, StrongLoop, etc - Understanding the nature of asynchronous programming and its quirks and workarounds - Good understanding of server-side templating languages like Jade, EJS, etc

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

Role Specific Responsibilities
 Interfaces with other processes and/or business functions to ensure they can leverage the
benefits provided by the AWS Platform process
 Responsible for managing the configuration of all IaaS assets across the platforms
 Hands-on python experience
 Manages the entire AWS platform(Python, Flask, RESTAPI, serverless framework) and
recommend those that best meet the organization's requirements
 Has a good understanding of the various AWS services, particularly: S3, Athena, Python code,
Glue, Lambda, Cloud Formation, and other AWS serverless resources.
 AWS Certification is Plus
 Knowledge of best practices for IT operations in an always-on, always-available service model
 Responsible for the execution of the process controls, ensuring that staff comply with process
and data standards
Qualifications
 Bachelor’s degree in Computer Science, Business Information Systems or relevant experience and
accomplishments
 3 to 6 years of experience in the IT field
 AWS Python developer
 AWS, Serverless/Lambda, Middleware.

 Strong AWS skills including Data Pipeline, S3, RDS, Redshift with familiarity with other components
like - Lambda, Glue, Step functions, CloudWatch
 Must have created REST API with AWS Lambda.
 Python relevant exp 3 years
 Good to have Experience working on projects and problem solving with large scale multivendor
teams.
 Good to have knowledge on Agile Development
 Good knowledge on SDLC.
 Hands on AWS Databases, (RDS, etc)
 Good to have Unit testing exp.
 Good to have CICD working knowledge.
 Decent communication, as there will be client interaction and documentation.

Education (degree): Bachelor’s degree in Computer Science, Business Information Systems or relevant
experience and accomplishments
Years of Experience: 3-6 years
Technical Skills
 Linux/Unix system administration
 Continuous Integration/Continuous Delivery tools like Jenkins
 Cloud provisioning and management – Azure, AWS, GCP
 Ansible, Chef, or Puppet
 Python, PowerShell & BASH
Job Details
 JOB TITLE/JOB CODE: AWS Python Develop[er, III-Sr. Analyst
 RC: TBD
 PREFERRED LOCATION: HYDERABAD, IND
 POSITION REPORTS TO: Manager USI T&I Cloud Managed Platform
 CAREER LEVEL: 3
Work Location:
Hyderabad

 

What you need to have:

Basic Qualifications:

• 2+ years of non-internship professional software development experience
• Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
• 1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems.

 

Additional Job requirements

• BS/MS/PhD in Computer Science/Math or equivalent
• BS in computer science or related field.
• 2+ years of relevant professional software development experience: designing, developing, and delivering software written in Java, C#, or C++, web development.
• Knowledgeable in object-oriented design patterns.
• Experience building highly scalable and distributed systems

Preferred Qualifications

• Experience with service-oriented architecture and application/services development
• Passion for performance debugging and benchmarking

Ability to clearly and concisely communicate with technical and non-technical stakeholders across all levels of the organization

Good understanding of core java, collections, exception handling, class loading and multi-threading.

Solid understanding of OOPS concepts and design methodology - good to have Inheritance, aggregation, and composition

Experience with concepts of MVC, JDBC, and Restful API development

Familiarity with build tools such as Ant, Maven, Gradle, and Docker

Sprint BOOT/ MVC framework - Basics (understanding of various Spring Boot components), Spring Initializer, Spring Boot Starters, and Spring Boot Annotations & DevTools

REST and Microservices - Microservices Basics (Concepts, understanding of API Gateway, Service Registry, fault tolerance, load balancing, Config Server)

Creating database schemas that represent and support business processes, queries, and procedures

Proficient understanding of code versioning tools, such as (Git / Mercurial / SVN) and familiarity with Continuous integration and deployment

• Work closely with the IT team in completing projects
• Troubleshoot and fix any issues relating to PHP programs
• Ensure smooth operations of web processes and infrastructure
• Create scripts to facilitate client systems to meet performance and objectives
• Test and develop software for client applications
• Create documentation for software created
• Utilize source debuggers and write or modify client software
• Produce results effectively and within the deadlines set

• Proven experience as a PHP developer in a competitive environment
• Strong knowledge of PHP coding and web-based applications
• Good understanding of website integration and software creation
• Excellent verbal and written communication skills
• Able to follow clear instructions according to client demands
• Strong analytical and problem-solving skills
• Creative ability to produce effective solutions to client problems
• Good team player that is enthusiastic about delivering results
• Able to work seated in front of a computer screen for long hours at a time

Responsible: ● Responsible for championing persistence, business logic and other back-end layers architectural and SDLC process strategy as well as the planning and successful execution of said strategy ● Effectively balance technical leadership and software engineering individual contributor responsibilities ● Directly or indirectly drive BE projects and provide architectural and technical leadership in an innovative and fast-paced environment ● Continually retrospect and drive innovation within the back-end development process to ensure our software engineers execute at the highest possible level ● Hire, onboard, develop and manage Back-End (BE) engineers ● Manage Tech Debt management ● Responsible for execution of SDLC processes to include sprint pre-planning/planning, retros, demos, architecture and code reviews ● Work closely with the rest of the tech leads, data scientists, senior engineering leadership and product managers to ensure we're building awesome, feature-rich, scalable and secure product lines, products and features ● Work closely with the rest of the tech leads and senior engineering leadership team to ensure we're building highly reusable codebase ● Provide the mentoring and guidance to BE engineers. Create an environment for BE engineers to continually reach new heights within their career Requirements: ● 10 plus years solid experience in back end open source based technologies, including at least 4 - 5 years in Ruby or RoR cloud based ecosystems ● 4 plus years solid experience as a technical lead, including at least 2 years in large scale platform environment ● CS degree required or equivalent work experience ● Solid procedural and object oriented Software Engineering fundamentals ● 3 plus years of relevant experience managing fast-paced and dynamic Scrum team ● A proven track record of senior level software engineering and architecture accomplishments in a high-capacity, large-scale, internet-based product platform ● Capable of technical deep-dives, yet verbally and cognitively agile enough to hold their own in a strategy discussion with senior technical or product leadership ● Comfortable recruiting a team of very bright, experienced engineers capable of working on projects and at scale unlike any other they've encountered ● Very experienced with Agile / Scrum methodologies ● Outstanding communication skills, both written and oral ● Expert understanding of RoR framework ● Solid understanding of AWS services ● Solid experience with containerized applications and serverless functions ● Strong understanding of and experience with testing practices ● Strong automation and CI / CD experience ● Pivotal Tracker or Jira, Docker, CI/CD, GitHub tools experience, some would say you are a master ● If I asked your previous team members about you, they would say you were a great leader and even better contributor. They would also very much welcome an opportunity to work for you once again