Software Developer Role

Develop, record and maintain cutting edge web-based J2EE, JAVA applications.

Experience on Java Spring Framework is required.

Experience on Hibernate is required.
Experience on REST Services is required.

Object-oriented programming, design, and patterns.

Strong proficiency with:Relational database concepts and data modeling.
Good communication skills to interact with customer, understand their requirement, effectively record the requirement and implement the same. 

Position: Senior Backend Developer

Type: Full-Time Location: Onsite

Experience Level: 5+ years (Intermediate to Senior)

About the Role: We are looking for a highly skilled Senior Backend Developer with 5+ years of experience to work alongside our AI/ML and frontend teams in building an AI-driven customer support system. You will be responsible for designing, developing, and optimizing the backend architecture, ensuring seamless integration with AI models, real-time data processing, and third-party tools. This role requires expertise in scalable API development, database management, and cloud deployment while ensuring high performance and security.

Key Responsibilities:

Backend Development & Architecture:

● Design and develop a scalable, high-performance backend to support AI-driven customer interactions.

● Build and optimize RESTful APIs and GraphQL endpoints for real-time voice and text processing.

● Develop microservices-based architectures to ensure modularity and scalability.

● Implement authentication & authorization mechanisms (OAuth, JWT, Role-Based Access Control).

AI & API Integration:

● Integrate AI models for speech recognition, sentiment analysis, and conversational AI.

● Ensure smooth data exchange between AI/ML models and frontend applications.

● Work with third-party tools such as Twilio, AWS Connect, and CRM systems for seamless interaction.

● Optimize API response times for real-time customer interactions with low latency.

Database Management & Data Processing:

● Design and manage relational (SQL) and NoSQL databases for AI model training and customer data.

● Implement efficient data pipelines for processing large datasets and real-time analytics.

● Ensure data consistency, integrity, and compliance with security standards.

Deployment, Security & Performance Optimization:

● Deploy scalable backend solutions on cloud platforms like AWS, GCP, or Azure.

● Implement CI/CD pipelines for smooth deployment and version control.

● Optimize database queries, API endpoints, and caching mechanisms for maximum performance.

● Implement security best practices (encryption, rate limiting, and logging).

Collaboration & Ownership:

● Work closely with AI/ML engineers and frontend developers to ensure seamless integration.

● Take ownership of backend architecture and propose enhancements for scalability.

● Stay updated with the latest backend technologies, AI integration techniques, and cloud advancements.

Required Skills and Qualifications:

Education:

● Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.

Core Skills:

● Proficiency in backend programming languages (Python, Node.js, or Golang).

● Experience with machine learning libraries and AI model integration (TensorFlow, PyTorch).

● Expertise in RESTful API and GraphQL development for AI-driven applications.

● Proficiency in relational databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis).

● Experience with microservices architecture and containerization (Docker, Kubernetes).

● Strong knowledge of cloud services (AWS Lambda, EC2, S3, GCP Functions, Firebase).

● Familiarity with event-driven architectures (Kafka, RabbitMQ, AWS SQS).

● Experience in implementing caching strategies (Redis, Memcached).

● Understanding of DevOps and CI/CD pipelines (GitHub Actions, Jenkins).

Preferred Experience:

● Previous experience working with AI-powered applications or conversational AI APIs.

● Familiarity with WebSockets and real-time communication protocols.

● Experience with serverless computing and cloud-native solutions.

● Strong understanding of distributed systems and large-scale architectures.

● Experience 3rd party API integrating (like Twilio, Vonage, or AWS Connect).

Soft Skills:

● Strong problem-solving and analytical skills.

● Excellent communication and collaboration with cross-functional teams.

● Proactive mindset with a focus on scalability and system optimization.

About Us

Rezo.ai is an AI-Powered Contact Center that enables enterprises to enhance customer experience and boost revenue by automating and analyzing customer agent interactions across multiple channels including voice, email, chat/WhatsApp, and social, at the required scale, whilst training agents with minimal costs

How do we do it

Rezo’s AI-Powered contact center leverages groundbreaking technologies in AI, ML, ASR, NLP, RPA, and predictive intelligence to transform customer experience and reduce costs by automating, and analyzing customer-agent conversations across multiple channels including voice, email, chat/Whatsapp, and social media, whilst coaching them. 

What Makes You A Good Fit :

• You are passionate about technology and software development
• You are continuously experimenting and learning more
• You love solving problems and digging into complex problems
• You believe in taking decisions as close to the product and technical expertise as possible.
• You believe in creativity, trying new things and learning from your mistakes.
• You believe in sharing insights and helping one another to build an even better user plan.

Key Skills Required:

• 3-8 years of Experience in Java Product Development.
• Good understanding of MYSQL.
• Practitioner of clean code and SOLID principles
• Exposure to GIT and Maven
• Good verbal and written communication skills
• Understands different major language paradigms (Object Oriented and Functional)
• Understanding and Experience with Multi-Threaded Applications
• Prior Experience in a SAAS Product company is a Plus 
• Experience with Managing Team is a plus

Educational Background:

• Bachelor's/Master’s degree in Computer Science Engineering from Tier 1 College is a Plus.

Why You Should Join Rezo.AI

• You will be surrounded by Passionate Team Members with Exposure to Product Building
• You will be learning About various Product Development Cycles
• Big Career Opportunities
• Learning by doing
• The Opportunity of Innovation
• Recognition
• Enhanced Responsibility and Team Management

Cultural fitment 

Work at the heart of AI and customer engagement.

If you are fascinated by AI and looking to work with the latest AI technologies, in a fast growing and flexible work environment with immense growth opportunities, come and join us.

Rezo is the place to be if you want to work in an atmosphere where you can do meaningful research, contribute to the platform, and grow fast.

Culture/Values

We believe that allowing employees to pursue their interests and challenge the existing quo only helps to make Rezo a successful workplace. To that end, we are committed to assisting our employees in enhancing the skills that are vital to their professional growth.

FOCUS, INTEGRITY, TEAMWORK, PASSION, INNOVATION

Why Us?

We are a fast-paced start-up with some of the best talents from diverse backgrounds. Working together to solve customer service problems. We believe a diverse workforce is a powerful multiplier of innovation and growth, which is key to providing our clients with the best possible service and our employees with the best possible career. Diversity makes us smarter, more competitive, and more innovative.

Visit our website: https://rezo.ai/">https://rezo.ai/ for more information

Enterprise Minds, with core focus on engineering products, automation and intelligence, partners customers on the trajectory towards increasing outcomes, relevance, and growth. 

Harnessing the power of Data and the forces that define AI, Machine Learning and Data Science, we believe in institutionalizing go-to-market models and not just explore possibilities. 

We believe in a customer-centric ethic without and people-centric paradigm within. With a strong sense of community, ownership, and collaboration our people work in a spirit of co-creation, co-innovation, and co-development to engineer next-generation software products with the help of accelerators. 

Through Communities we connect and attract talent that shares skills and expertise. Through Innovation Labs and global design studios we deliver creative solutions. 
We create vertical isolated pods which has narrow but deep focus. We also create horizontal pods to collaborate and deliver sustainable outcomes. 

We follow Agile methodologies to fail fast and deliver scalable and modular solutions. We are constantly self-asses and realign to work with each customer in the most impactful manner. 

Pre-requisites for the Role 

1. Job ID-EMPY0120MS 

1. Primary skill: Python Developer, Django, Problem solving. 

1. Secondary skill: Rest, API 

1. Years of Experience: 4-7 Years  

1. Location: Remote 

Budget- Open  

NP- Immediate 

PYTHON DEVELOPER 

• Design, build, and maintain efficient, reusable, and reliable Python code 
• Design and implement software platform with Microservices Architecture, based on AWS Lambda and Event sourced data 
• Integration of data storage solutions {may include databases, key-value stores, notification queues, etc.} 

• Integration with various backend monitoring tools 
• Identify bottlenecks and bugs, and devise solutions to these problems 
• Help maintain code quality, organization and automatization 
• Participate in early product demonstrations to customersExperience required: 
• Bachelor's or Masters in Computer Science or a related discipline 

• 2-6 years of relevant professional experience 
• Delivery of quality results within aggressive timelines 
• Knowledge of software development processesSkills Required: 
• Experience with Python, along with other common libraries/framework such as Flask, Celery, Django etc., 
• Good understanding with usage of Lambda in Python. 

• Good understanding in testing frameworks like PyTest. 
• Ability to work with IDEs like Visual Studio Code. 
• Basic understanding in developing private PIP packages. 
• Solid understanding of object-oriented programming. 
• Familiarity with concepts of MVC, Mocking, ORM, and RESTful. 

• A knack for writing clean, readable Python code. 
• Ability to integrate multiple data sources and databases into one system. 
• Ability to understand monitoring metrics, such as CPU, Memory, Disk Space, Network latency, and telemetry services. 
• Understanding of fundamental design principles behind a scalable application. 
• Understanding the fundamentals of RDBMS databases. 

• Ability to work with PostgreSQL is a plus. 
• Ability to work with AWS services like Lambda, Kinesis, SQS, SNS etc., is a plus. 
• Proficient understanding of Git. 
• Familiarity with continuous integration and continuous deployment. 
• Effective verbal and written communication skills. 

Skills:

• Expertise in Python 3 on AWS serverless
• Experience in AWS serverless stack Appsync, Lambda, Cognito, API Gateway, DynamoDB, Elasticsearch, SQS, S3, Code commit & Code Deploy.
• Proficient in modern microservice-based architectures and methodologies.
• Experience in a database technology, preferably No-SQL such as AWS DynamoDB.
• Build human-centric UX with us using technologies like React, TypeScript, GraphQL, and CSS-in-JS.
• Experience building data processing pipelines (SQS, Kinesis, DynamoDB, AWS Lambda, or similar)
• Deep technical hands-on experience developing in REST/JSON or SOAP/XML, combined with strong knowledge of concepts such as CORs (Cross Origins Resources), headers, security, JSON and http concept.
• Experience with Github and advanced Github features (good to have).
• Must have worked as a part of Agile Teams and DevOps practices such as continuous Integration tools (e.g. Jenkins), code repository, creating CI/CD pipelines is required.