Java/ Golang Backend Developer

• PHP / Laravel developer duties and responsibilities

• Develop, record and maintain cutting edge web-based PHP applications on portal plus premium service platforms

• Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team

• Ensure HTML, CSS, and shared JavaScript is valid and consistent across applications

• Prepare and maintain all applications utilizing standard development tools

• Utilize backend data services and contribute to increase existing data services API

• In depth knowledge of object-oriented PHP and Laravel 5 PHP Framework

• Hands on experience with SQL schema design, SOLID principles, REST API design

• MySQL profiling and query optimization

• Experience in Node.js Frameworks
• Hands-on experience with MongoDB
• Strong proficiency with JavaScript, Socket IO, ExpressJS & SailsJS
• Experience working with third-party developer tools, including documentation, APIs, and SDKs
• Good Grasp of Asynchronous Programming and Its Workarounds
• Database Schema design for Business Processes
• Working Knowledge of JWT-based passport Authentication
• Can Write and Refactor Efficient Codes
• Experience in Implementing Data Protection
• Must have demonstrated the ability to deliver high-quality products on time
• Knowledge of GIT, SVN technology

TeamExtn is looking for a passionate Senior Scala Engineer. It will be expected from you to build pragmatic solutions on mission-critical initiatives. If you know your stuff, see the beauty in code, have knowledge in depth and breadth, advocate best practices, and love to work with distributed systems, then this is an ideal position for you.

As a core member of our Special Projects team, you will work on various new projects in a startup-like environment. These projects may include such things as building new APIs (REST/GraphQL/gRPC) for new products, integrating new products with core Carvana services, building highly scalable back end processing systems in Scala and integrating with systems backed by Machine Learning. You will use cutting edge functional Scala libraries such as ZIO. You will have the opportunity to work closely with our Product, Experience and Software Engineering teams to deliver impact.

Responsibilities:

• Build highly scalable APIs and back end processing systems for new products
• Contribute in the full software development lifecycle from design and development to testing and operating in production
• Communicate effectively with engineers, product managers and data scientists
• Drive scalability and performance within our distributed AI platform
• Full software development lifecycle from design and development to testing and operating in production
• Communicate effectively with engineers, product managers and data scientists

Skills And Experience:

• 4+ years experience with Scala or other functional language
• Experience with Akka and Lightbend stack
• Expert with PostgreSQL, MySQL or MS SQL
• Experience in architecting, developing, deploying and operating large scale distributed systems and actor systems
• Experience with cloud APIs (e.g., GCP, AWS, Azure)
• Messaging systems such as GCP Pub/Sub, RabbitMQ, Kafka
• Strong foundation in algorithms and data structures and their real-world use cases.
• Solid understanding of computer systems and networks
• Production quality coding standards and patterns

BONUS SKILLS:

• Experience with functional programming in Scala
• Knowledge of ZIO and related ecosystem
• Experience with functional database libraries in Scala (Quill preferred)
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Our Interview Process:
Our interview involves 3 steps.

1. Code Evaluation - In this step we send you a simple assignment that you implement

2. First Technical Round - In this technical round we evaulate you on your skills, concepts and knowledge in Scala.

3. Second Technical Round - If the first round goes well we check how hands you are with Scala and have online problem solving session.

• 5+ years of non-internship professional software development experience
• 1+ years of exposure to the architecture and design (design patterns, security, reliability and scaling) of new and current systems.
• Bachelors/Masters degree in computer science or other related fields
• Programming experience with at least one modern language such as Java or Python including object-oriented design
• A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
• Proven ability to take initiative and dive into new areas of technology.
• Passion for learning, analysing technology trade-offs and shipping products.
• Knowledge on SQL, NOSQL databases and AWS deployments is a plus
• Strong sense of ownership, urgency and drive
• Ability to work well with people and be both highly self motivated and motivating
• Must be independent and comfortable in a fast paced, ambiguous and often multi-directional work environment

• You will build cutting-edge secure and scalable systems by writing simple and efficient code.
• You will push your design and architecture limits for new product development.
• You will be the owner of your feature and work directly with product teams to drive customer impact.
• You will ensure that the systems you oversee are secure, fault-tolerant and are performing reliably at high volumes.
• Constantly look at possibilities to improve the overall functioning of the product.
• You possess a strong desire to learn and contribute solutions and ideas to a broad team
• You are independent and comfortable in a fast paced, ambiguous and often multi-directional work environments
• You will manage multiple tasks and use sound judgment when prioritizing
• You can collaborate with globally-located cross functional team in building customer-centric products
• You will analyze existing software implementations to identify areas of improvement and provide estimates for implementing new features

• Full stack experience is a plus
• Understanding of complete SDLC and Agile methodologies
• Domain expertise in Financial Services, Banking or Payments
• Code Quality –Code Hygiene (Coverage, Complexity, Usability)
• Collaboration –Strong peer review standards

Core Responsibilities:

• Design and build solutions for complex business workflows
• Understanding the user persona and deliver a slick experience
• Take end to end ownership of components and be responsible for the subsystems that you work on from
• design, code, testing, integration, deployment, enhancements, etc.
• Write high-quality code and taking responsibility for their task
• Solve performance bottlenecks
• Mentor junior engineers
• Deliver with quality, on-time in a fast-paced start-up environment

Required Skills:

• Bachelor/Master's in computer science or relevant fields
• 4+ years of relevant experience
• Strong sense of ownership
• Excellent Java and object-oriented development skills
• Experience in building and scaling microservices
• Strong problem-solving skills, technical troubleshooting and diagnosing
• Expected to be a role model for young engineers, have a strong sense of code quality and enforce code
• quality within the team
• Strong knowledge in RDBMS and NOSQL technologies
• Experience in developing backends for enterprise systems like eCommerce / manufacturing / supply chain etc
• Excellent understanding of Debugging performance and optimization techniques
• Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
• Experience in developing any large scale Experience in cloud technologies
• Demonstrated ability to deliver in a fast-paced environment

Must skills:

Hands- on in the following:

• Java 8/J2EE
• Spring boot
• Gradle/Maven
• REST API
• ORM- hibernate/ JPA
• Unit Testing and Integration Testing- Junit/ TestNG

Good to have:

Hands-on in the following:

• CI/CD pipeline deployment
• Messaging- ActiveMQ/RabbitMQ/MQ
• DB2
• Kafka
• NoSQL framework exposure