NodeJS Developer

We are seeking a highly skilled Senior Backend Developer with deep expertise in Python and FastAPI to join our team. This role focuses on building high-performance, scalable backend services capable of handling high request volumes while integrating advanced LLM technologies.

The ideal candidate will design robust distributed systems, implement efficient data storage solutions, and ensure enterprise-grade security within an Azure-based infrastructure. This is a great opportunity to work on AI/ML integrations and mission-critical applications requiring high performance and reliability.

Key Responsibilities:

Backend Development

• Design and maintain high-performance backend services using Python and FastAPI
• Implement advanced FastAPI features such as dependency injection, middleware, and async programming
• Write comprehensive unit tests using pytest
• Design and maintain Pydantic schemas

High-Concurrency Systems

• Implement asynchronous code for high-volume request processing
• Apply concurrency patterns and atomic operations to ensure efficient system performance

Data & Storage

• Optimize MongoDB operations
• Implement Redis caching strategies (TTL, performance tuning, caching patterns)

Distributed Systems

• Implement rate limiting, retry logic, failover mechanisms, and region routing
• Build microservices and event-driven architectures
• Work with EventHub, Blob Storage, and Databricks

AI/ML Integration

• Integrate OpenAI API, Gemini API, and Claude API
• Manage LLM integrations using LiteLLM
• Optimize AI service usage within the Azure ecosystem

Security

• Implement JWT authentication
• Manage API keys and encryption protocols
• Implement PII masking and data security mechanisms

Collaboration

• Work with cross-functional teams on architecture and system design
• Contribute to engineering best practices and technical improvements
• Mentor junior developers where required

Must-Have Skills & Requirements

Experience

• 7+ years of hands-on Python backend development
• Bachelor’s degree in Computer Science, Engineering, or related field
• Experience building high-traffic, scalable systems

Core Technical Skills

Python

• Advanced knowledge of asynchronous programming, concurrency, and atomic operations

FastAPI

• Expert-level experience with dependency injection, middleware, and async code

Testing

• Strong experience with pytest and Pydantic schemas

Databases

• Hands-on experience with MongoDB and Redis
• Strong understanding of caching patterns, TTL, and performance optimization

Distributed Systems

• Experience with rate limiting, retry logic, failover mechanisms, high concurrency processing, and region routing

Microservices

• Experience building microservices and event-driven systems
• Exposure to EventHub, Blob Storage, and Databricks

Cloud

• Strong experience working in Azure environments

AI Integration

• Familiarity with OpenAI API, Gemini API, Claude API, and LiteLLM

Security

• Implementation experience with JWT authentication, API keys, encryption, and PII masking

Soft Skills

• Strong problem-solving and debugging skills
• Excellent communication and collaboration
• Ability to manage multiple priorities
• Detail-oriented approach to code quality
• Experience mentoring junior developers

Good-to-Have Skills

Containerization

• Docker, Kubernetes (preferably within Azure)

DevOps

• CI/CD pipelines and automated deployment

Monitoring & Observability

• Experience with Grafana, distributed tracing, custom metrics

Industry Experience

• Experience in Insurance, Financial Services, or regulated industries

Advanced AI/ML

• Vector databases
• Similarity search optimization
• LangChain / LangSmith

Data Processing

• Real-time data processing and event streaming

Database Expertise

• PostgreSQL with vector extensions
• Advanced Redis clustering

Multi-Cloud

• Experience with AWS or GCP alongside Azure

Performance Optimization

• Advanced caching strategies
• Backend performance tuning

At DotPe, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We’re seeking a Technical Lead Backend who is ready to work with new technologies and architectures in a forward-thinking organization that’s always pushing boundaries. Here, you will take complete, end-to-end ownership of projects across the entire stack. Our ideal candidate has experience building products across the stack and a firm understanding of web frameworks, APIs, databases, and multiple back-end languages. You’ll be joining a small team working at the forefront of new technology, solving the challenges that impact back-end architecture, and ultimately, delivering amazing global user experiences.

Technical Lead Backend

Responsibilities:

• Build cutting-edge, scalable systems by writing simple and efficient code, and pushing your design and architecture limits for new product development
• Optimize APIs for applications while creating and maintaining unit/integrations test suites
• Participate in all aspects of agile software development including design, implementation, and deployment
• Design and provide guidance on building end-to-end systems optimized for speed and scale
• Develop new features and infrastructure development in support of rapidly emerging business and project requirements
• Assume leadership of new projects from conceptualization to deployment
• Ensure application performance, uptime, and scale, maintaining high standards of code quality and thoughtful application design
• Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities
• Work and collaborate closely with tech, product, and business teams to understand requirements and translate them into quality software products

Role description:

We are looking for Senior Software Engineer with expertise and experience in designing, developing and testing applications including new developments, enhancements, maintenance and support. The role involves continuous collaboration with team, partners.

Candidate description:

Responsibilities

• Building interactive consumer data from multiple systems and RESTfully abstract to the UI through a Node.js backend
• Address and improve any technical issues
• Strong commitment to quality and delivery
• Collaborate well with engineers, and specialists to design and create advanced, elegant and efficient system
• Create Unit and Integration tests to ensure the quality of code
• Be responsive to change requests and feature requests
• Write code that is cross-platform and cross-device compatible
• Ability to wear many hats and learn new technologies quickly
• Used CI/CD and AWS platform

Qualifications

Experience

• 4-8 years of experience in IT industry
• Experience with modern frameworks and design patterns, minimum one-year experience with MERN Fullstack paradigm

Requirements

• In depth working knowledge of NodeJS 
• Database – MongoDB, SQL, postgre

• Obsession with lean, clean and organized code

• Solid Understanding of HTTP protocol and how server-side code is processed on the client

• Knowledge of the following will be considered as an advantage:
• Experience with cloud technologies also a plus
• Creating secure RESTful-based web services in XML and JSON, Javascript,
• Creating Unit test cases

• Developing front-end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

• Degree in computer science.
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks React.js.
• Proficiency with Ruby on Rails
• Familiarity with database technology such as MySQL or Oracle or PostgreSQL.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

• 5 working days
• Flexible timings
• Work from home granted

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)

Roles and Responsibilities

Serve as an integrator between business needs and technology solutions, helping to create technology solutions to meet clients business needs. 

Defining systems strategy, developing system requirements, designing and prototyping, testing, training, defining support procedures and implementation. 

Perform accurate analysis and effective diagnosis of client issues and manage day-to-day client relationships at peer client levels. 

Desired Candidate Profile

• 1+ years of relevant technology consulting or industry experience 
•  Strong working knowledge of AEM/Digital Marketing Suite 
•  Java, J2EE strong knowledge in Web-centric applications 
• Experience with full lifecycle of application from requirement gathering to deployment.
• Make changes to AEM site content, assets, and workflow
• Designs and builds components, templates, dialogs, and workflows using the AEM architecture (Sling, CRX, OSGI, JCR)
• Diagnoses and solves technical problems related to content management such as search result accuracy, dynamic content linking, formatting, image scaling, internationalization, and personalization
• Works in an agile, rapid development and prototyping environment
• Strong Java programming foundation and experience with OSGi bundles
• Knowledge on workflows ,Sling servlet, REST, JSON, Lucene indexing.
• Exposure to Coral / Granite UI, Adobe UI customization is a must
• Working Experience with Sightly / Sling models.
• Willingness to travel offshore and onshore 
• Strong knack and willingness for adapting latest and greatest technologies to drive performance.
• Exceptionally good at document and explaining core technical processes.

Perks and Benefits

• A Silver Adobe Solution partner, AEM Specialized and Magento partner
• Get to work with a young and dynamic team.
• Get to experience Agile methodology for real.
• Flexi timings.
• Exposure to one of the most exclusive technology of the hour AEM, Magento
• A team that will support you when you want to take an initiative in the favour of the organization.

• Good academic qualifications
• Experience in developing web applications using Java, Spring, Hibernate, DWR, JSP
• Knowledge in Oracle Database concepts
• Sound knowledge in the following is a must
  o Hibernate
  o Spring
  o Oracle & MongoDb
  o HTML & CSS
  o Javascript
  o Jquery
  o Angular 4
  o Node JS
  
  Knowledge of Japer Reports will be an added advantage
• Good communication skills and be a good listener
• Problem solving skills
• Willingness to learn and do all development activities including quality assurance
• Team player