Lead Backend engineer

Roles and Responsibility:

• Experience with Ruby on Rails, along with other common libraries such as sidekiq, Webpacker, apartment, and ros-apartment.
• Good understanding of the syntax of Ruby
• Good experience with payment gateway integrations
• Basic knowledge of the AWS server
• Understand code versioning tools Git, and Bitbucket
• Basic understanding of front-end technologies, such as JavaScript, HTML4 & HTML5, CSS3, AJAX, jQuery
• Maintain efficient, reusable, and reliable Ruby code.
• Maintenance of the web backend of POS (Point of Sale) business applications
• Collaborate with multi-functional teams to define, design, and ship new features in a dynamic work environment.

Senior Backend Developer

Job Overview: We are looking for a highly skilled and experienced Backend Developer who excels in building robust, scalable backend systems using multiple frameworks and languages. The ideal candidate will have 4+ years of experience working with at least two backend frameworks and be proficient in at least two programming languages such as Python, Node.js, or Go. As an Sr. Backend Developer, you will play a critical role in designing, developing, and maintaining backend services, ensuring seamless real-time communication with WebSockets, and optimizing system performance with tools like Redis, Celery, and Docker.

Key Responsibilities:

• Design, develop, and maintain backend systems using multiple frameworks and languages (Python, Node.js, Go).
• Build and integrate APIs, microservices, and other backend components.
• Implement real-time features using WebSockets and ensure efficient server-client communication.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Optimize backend systems for performance, scalability, and reliability.
• Troubleshoot and debug complex issues, providing efficient and scalable solutions.
• Work with caching systems like Redis to enhance performance and manage data.
• Utilize task queues and background job processing tools like Celery.
• Develop and deploy applications using containerization tools like Docker.
• Participate in code reviews and provide constructive feedback to ensure code quality.
• Mentor junior developers, sharing best practices and promoting a culture of continuous learning.
• Stay updated with the latest backend development trends and technologies to keep our solutions cutting-edge.

Required Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.
• 4+ years of professional experience as a Backend Developer.
• Proficiency in at least two programming languages: Python, Node.js, or Go.
• Experience working with multiple backend frameworks (e.g., Express, Flask, Gin, Fiber, FastAPI).
• Strong understanding of WebSockets and real-time communication.
• Hands-on experience with Redis for caching and data management.
• Familiarity with task queues like Celery for background job processing.
• Experience with Docker for containerizing applications and services.
• Strong knowledge of RESTful API design and implementation.
• Understanding of microservices architecture and distributed systems.
• Solid understanding of database technologies (SQL and NoSQL).
• Excellent problem-solving skills and attention to detail.
• Strong communication skills, both written and verbal.

Preferred Qualifications:

• Experience with cloud platforms such as AWS, Azure, or GCP.
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience with GraphQL and other modern API paradigms.
• Familiarity with task queues, caching, or message brokers (e.g., Celery, Redis, RabbitMQ).
• Understanding of security best practices in backend development.
• Knowledge of automated testing frameworks for backend services.
• Familiarity with version control systems, particularly Git.

• Design, implement, and maintain API-based applications and REST services.
• Proficiency with Node JS.
• Must have experience in cloud services Azure Cloud/AWS.
• Familiarity with database technology such as MySQL, PostgreSQL, and MongoDB.
• Develop high-quality, efficient, and scalable code.
• Understanding of Agile methodologies and SCRUM framework Strong debugging, analytical and problem-solving skills.
• Provide technical support during implementation efforts, working with technical team members and with business users as required to provide troubleshooting and solutions to technical issues.

As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.

Top Skills

• You write high quality, maintainable, and robust code, often in Java or C++/C/Python/ROR/C#
• You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
• You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.

Roles & Responsibilities

• You solve problems at their root, stepping back to understand the broader context.
• You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
• You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
• You recognize and use design patterns to solve business problems.
• You understand how operating systems work, perform and scale.
• You continually align your work with Amazon’s business objectives and seek to deliver business value.
• You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
• You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
• You communicate clearly with your team and with other groups and listen effectively.

Skills & Experience

• Bachelors or Masters in Computer Science or relevant technical field.
• Experience in software development and full product life-cycle.
• Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
• Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
• Proficiency in SQL and data modeling.

Good knowledge and experience of working with backend systems; 

designing server-side architecture, including production maintenance experience are must-haves.

At least 1-2 years of experience in any programming languages like Java, Ruby, PHP, Python and Node.js(Node.js preferred).

Understanding of micro-services oriented architecture.

Experience with Databases design (SQL, NoSQL) and analytics

Experience in driving and delivering complex features/software modules from technical design to launch.

Expertise with unit testing & Test Driven Development (TDD)

Role: Senior Software Developer

Experience: 3-6 years of experience.

Work Location: Bangalore

Job responsibility The Software Developer contributes, to create a customer’s solution, in the building phase of the software development life cycle. The Software Engineer is responsible for performing the detailed design of application and technical architecture components and classes in accordance to the specification provided by the Solution Architect, for coding of SW components, and for the early testing phases (component testing), and system testing support

Requirement:
Must Have skills: Java/J2ee, SQL, Web services, Spring Boot, Elastic search

Job description
- Hands on experience in Java, Python, scripting
- Design, implement, deploy and support web-based applications and web services using server technologies stacks that include Java, MySQL
- Experience in Java/J2EE using web frameworks Play or Spring boot, REST API Development and ORM (JPA, Hibernate eBean etc.)
- In depth knowledge of Design patterns and Data structures
- Databases - MySQL, Oracle, SQL
- Solid understanding of concepts like Web Services, SOA, REST APIs, Message Queue, Caching, Distributed/Scalable Architecture
- Secure application development best practices, such as OWASP
- Document and maintain all design documents and involve in review process.
- Experienced problem solving and debugging skills.
- Good verbal and written communication and interpersonal skills
- Experience in Agile methodology is added advantage
- Knowledge of Cloud Knowledge /Azure
- Must know about Unix knowledge
- experience in Elastic search