LEAD II - SOFTWARE ENGINEERING -.NET

Job Title: Back-End Developer

Department: IT

Experience: 3.5 Years+

Location: Mohali

Shift: Rotational Shifts

Employment Type: Full-time

Job Overview:

The Senior Backend Developer will be responsible for the full lifecycle of our backend services, focusing on architecture, security, and performance.

Key Responsibilities:

• Core API Development & Logic: Design, build, and maintain robust, scalable, and secure RESTful/ GraphQL APIs using Node.js and Python to serve both internal and external consumers.
• System Architecture: Lead the design and implementation of application components, focusing on microservices architecture, ensuring services are loosely coupled and highly available.
• Database Management: Expertly manage and optimize complex database schemas and queries for both SQL (PostgreSQL/MySQL) and NoSQL (MongoDB/Redis) systems, ensuring data integrity and high performance.
• Performance and Scalability: Identify and resolve performance bottlenecks, implement caching strategies, and optimize server-side code and architecture for maximum speed and scalability.
• Code Quality and Standards: Write clean, efficient, well-documented, and testable code. Conduct thorough code reviews and mentor junior developers on best practices, design patterns, and coding standards.
• Security Implementation: Implement security and data protection settings,including authentication, authorization, and encryption protocols.
• DevOps and Deployment: Work with DevOps pipelines (CI/CD, Docker, Kubernetes) for smooth and automated deployment of services to cloud platforms (AWS/Azure/GCP).
• Collaboration: Work closely with cross-functional teams (Frontend, Product, QA) to understand requirements and translate them into technical specifications and deliver high-quality features.

Required Skills & Qualifications:

• Programming Expertise: Deep, demonstrable expertise in Node.js and Python.
• Node.js: Strong command of asynchronous programming, event loops, and related frameworks (e.g., Express.js).
• Python: Extensive experience with web frameworks (e.g., Django, Django Rest Framework, Flask).
• API Design: Proven ability to design and implement highly performant and secure RESTful APIs. Experience with GraphQL is a strong advantage.
• Databases: Expert knowledge of both Relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Redis, Cassandra). Proficiency in query optimization and schema design.
• Cloud & Tools: Experience with cloud computing platforms (e.g., AWS, Azure, or GCP). Proficiency with Docker and Git.
• Testing: Strong experience with unit, integration, and end-to-end testing frameworks.

Soft Skills & Leadership

• Problem-Solving: Excellent analytical and problem-solving skills with a track record of troubleshooting complex production issues.
• Communication: Strong verbal and written communication skills to articulate technical decisions and collaborate effectively with diverse teams.
• Ownership: Proven ability to take ownership of complex projects, drive them to completion, and manage technical debt.

• Strong development experience in Python in the environment of Unix/Linux/Ubuntu
• Strong practical knowledge of Python and its libraries.
• Current working experience with cloud deployment of AWS/Azure/GCP, Microservice architecture, and Docker in Python.
• Good knowledge of CI/CD and DevOps practices
• Good Experience of Python with Django/ Scrapy/ Flask frameworks.
• Good Experience in Jupyter/ Docker/ Elastic Search, etc.

• Solid understanding of software development principles and best practices.
• Strong analytical thinking and problem-solving skills.
• Proven ability to drive large-scale projects with a deep understanding of Agile SDLC, high collaboration, and leadership.

• Expected to have migration experience from one version to the other, as this project is about migration to the latest version.
• Preferred if had an OpenEdx platform experience or any LMS platform. 

• 4- 10 years of experience in Java Developer
• Programming experience in Java Spring Boot, Springboot
• Strong understanding of Data Structures and Algorithms
• API-Driven Development - Solid experience in RESTful , and Microservices development
• Experience in working with one of the concurrency frameworks like Mono,
• Experience working in ORM frameworks like Entity, Hibernate, Dapper
• Strong relational database experience in either Oracle, MS SQL, or Postgres
• Knowledge on frontend technologies such as JavaScript, HTML, CSS, and modern JavaScript frameworks (React, Angular, etc.).

• 5-7+ years of commercial Java development experience
• Experience with well known Open Source frameworks/libraries, like Spring Boot
• Work experience with Docker
• Microservice experience
• Experience with AWS like ECS, Lambda, SQS, RDS, Kinesis streams
• Familiar with iterative development
• Upper-intermediate level of English
• Solid understanding of communication and network protocols (TCP/IP, HTTP).
• At ease with Unix/Linux
• Excellent analytical and debugging skills
• Familiar with both SQL and noSQL databases (MySQL, DynamoDB, Memcached, Redis)
• Practical experience with scaling applications to big user numbers is a plus
• Experience with other programming languages is a plus.

• Bachelors/master’s degree in computer science or related field.
• 2+ years of experience in developing web-based, E-Commerce applications on Salesforce Commerce Cloud (SFCC).
• Object oriented analysis and design using common design patterns.
• Experience in working with ISML, Pipelines, Pipelets, JS-Controllers, Digital Scripts, 
• B2C Commerce API.
• Knowledge on SGJC is must and SFRA is an added advantage.
• Experience in working with Forms, Service and Job / Integration frameworks. 
• Experience in working with REST and SOAP webservices.
• Experience in integrating with third party LINK cartridges like Payment, Tax, Analytics, Ratings & Reviews etc. along with developing custom cartridges.
• Good understanding on SFCC Business Manager Configurations.
• SFCC Developer certification is an added advantage.
• Knowledge on build and deployment.
• Knowledge on Source Control Management System like GitHub/BitBucket.

• Flexible and proactive/self-motivated working style with strong personal ownership of problem resolution 
• Ability to multi-task under pressure and work independently. 
• Should be a problem solver with good analytical and critical thinking.
• Ability to Work on the priorities under pressure.
• Good communicator (written and verbal, formal and informal).
• Should be able to finish the work with minimum supervision.
• Experience: Minimum 2 Yrs. of relevant experience.

• Bachelor’s or master’s degree in Computer Engineering, Computer Science, Computer Applications, Mathematics, Statistics, or related technical field. Relevant experience of at least 3 years in lieu of above if from a different stream of education.

• Well-versed in and 3+ hands-on demonstrable experience with: ▪ Stream & Batch Big Data Pipeline Processing using Apache Spark and/or Apache Flink.
  ▪ Distributed Cloud Native Computing including Server less Functions
  ▪ Relational, Object Store, Document, Graph, etc. Database Design & Implementation
  ▪ Micro services Architecture, API Modeling, Design, & Programming

• 3+ years of hands-on development experience in Apache Spark using Scala and/or Java.

• Ability to write executable code for Services using Spark RDD, Spark SQL, Structured Streaming, Spark MLLib, etc. with deep technical understanding of Spark Processing Framework.

• In-depth knowledge of standard programming languages such as Scala and/or Java.

• 3+ years of hands-on development experience in one or more libraries & frameworks such as Apache Kafka, Akka, Apache Storm, Apache Nifi, Zookeeper, Hadoop ecosystem (i.e., HDFS, YARN, MapReduce, Oozie & Hive), etc.; extra points if you can demonstrate your knowledge with working examples.

• 3+ years of hands-on development experience in one or more Relational and NoSQL datastores such as PostgreSQL, Cassandra, HBase, MongoDB, DynamoDB, Elastic Search, Neo4J, etc.

• Practical knowledge of distributed systems involving partitioning, bucketing, CAP theorem, replication, horizontal scaling, etc.

• Passion for distilling large volumes of data, analyze performance, scalability, and capacity performance issues in Big Data Platforms.

• Ability to clearly distinguish system and Spark Job performances and perform spark performance tuning and resource optimization.

• Perform benchmarking/stress tests and document the best practices for different applications.

• Proactively work with tenants on improving the overall performance and ensure the system is resilient, and scalable.

• Good understanding of Virtualization & Containerization; must demonstrate experience in technologies such as Kubernetes, Istio, Docker, OpenShift, Anthos, Oracle VirtualBox, Vagrant, etc.

• Well-versed with demonstrable working experience with API Management, API Gateway, Service Mesh, Identity & Access Management, Data Protection & Encryption.

  Hands-on experience with demonstrable working experience with DevOps tools and platforms viz., Jira, GIT, Jenkins, Code Quality & Security Plugins, Maven, Artifactory, Terraform, Ansible/Chef/Puppet, Spinnaker, etc.

• Well-versed in AWS and/or Azure or and/or Google Cloud; must demonstrate experience in at least FIVE (5) services offered under AWS and/or Azure or and/or Google Cloud in any categories: Compute or Storage, Database, Networking & Content Delivery, Management & Governance, Analytics, Security, Identity, & Compliance (or) equivalent demonstrable Cloud Platform experience.

• Good understanding of Storage, Networks and Storage Networking basics which will enable you to work in a Cloud environment.

• Good understanding of Network, Data, and Application Security basics which will enable you to work in a Cloud as well as Business Applications / API services environment.

CartX is a small, fast-growing, and remote-first company. We are a high converting one-page checkout and post-purchase one-click upsell for thriving eCommerce stores. We are looking for a Senior Software Engineer to join our mission and work on our ambitious product roadmap. Ideal candidates have a solid technical background on complex systems.

→ What you will be doing:
– Solve engineering problems that affects hundreds of customers
– Develop and launch end-to-end new key features
– Take ownership and responsibility of challenging tasks
– Interact and collaborate with the team
– Research, innovate and propose new ideas that can lead to new projects
– Play an important role by shaping our company’s best practices and culture
– Learn fast and adapt quickly

→ Required
– 5+ years of experience as a Software Engineer
– Experience on LAMP
– Experience on Bitbucket
– Knowledge on API’s such as Twilio, Stripe and others
– Great communications skills
– Fluent in English (written and speaking)

→ What We Offer
- Work remotely from home or any co-working space
- Work with a top-notch engineering team
- Unlimited vacation policy
- Ownership and autonomy over exciting tasks
-  Be part of an exciting fast-growing startup