Senior Ruby on Rails Developer

Job Title : Python Developer (Crawlers / APIs / Async Programming)

Experience : 3 to 6 Years

Notice Period : Immediate to 15 Days

Job Location : Bangalore

Interview Process : 1 Internal Round + 2 Client Rounds

Mandatory Skill :

Strong Python experience with crawlers, REST APIs, async/multithreading, and PostgreSQL/MySQL in a cloud environment.

Role Overview :

We are looking for a highly skilled Python Developer with strong hands-on experience in building web crawlers, REST APIs, and advanced Python applications. The ideal candidate should be proficient in writing clean, efficient, and scalable code, and comfortable working with asynchronous programming, multithreading, and cloud-native environments.

Key Responsibilities :

• Build and ship new features and fixes in a fast-paced environment.
• Design, develop, test, and deploy scalable Python applications.
• Develop robust web crawlers and RESTful APIs.
• Write clean, secure, and maintainable code following SOLID principles.
• Design and document features, components, and systems.
• Collaborate closely with cross-functional teams.
• Support, monitor, and maintain existing products.
• Continuously learn and improve technical expertise.

Mandatory Skills :

• 3 to 5 years of strong hands-on experience in Python
• Experience in building web crawlers and REST APIs
• Strong knowledge of multithreading and async I/O in Python
• Experience with PostgreSQL or MySQL
• Strong understanding of OOP/Functional Programming and clean coding practices
• Experience with Docker / Containers
• Exposure to Cloud platforms (AWS or GCP)
• Excellent written and verbal communication skills
• High ownership mindset and accountability

Good to Have :

• Experience with Kubernetes, RabbitMQ, Redis
• Contributions to Open Source Projects
• Experience working with AI APIs and tools

What the Interview Will Focus On :

• Problem-solving and coding skills
• Hands-on Python programming
• Low-Level Design
• Database Design concepts

Job Title: Backend Developer

Experience: 2–7 Years

Location: On-site – Bangalore

Employment Type: Full-Time

Company: Pepsales AI (Multiplicity Technologies Inc.)

About Pepsales

Pepsales AI is a real-time sales enablement and conversation intelligence platform built for B2B SaaS sales teams. It empowers sellers across every stage of the sales cycle—before, during, and after discovery calls—by providing actionable insights that move deals forward. 

• For Account Executives: Pepsales AI transforms the discovery process, ensuring objective deal qualification and frictionless handoffs to solution engineers—enabling AEs to focus on winning, not chasing.
• For Solution Engineers and Consultants: It elevates demo experiences by delivering real-time buyer context and actionable insights, ensuring every interaction is highly personalized and impactful.
• For Sales Leaders: It provides enterprise-grade intelligence across forecasting, pipeline health, team performance, coaching, and the authentic voice of the customer—empowering data-driven decision-making at scale.

With Pepsales AI, sales teams run sharper meetings, accelerate deal cycles, and close with confidence.

Role Overview

We’re seeking a passionate Backend Developer to join our fast-paced team in Bangalore and help build and scale the core systems powering Pepsales. In this full-time, on-site role, you’ll work on high-impact features that directly influence product innovation, customer success, and business growth. 

You’ll collaborate closely with the founding team and leadership, gaining end-to-end ownership and the chance to bring bold, innovative ideas to life in a rapidly scaling startup environment

Key Responsibilities

• Design, develop, and maintain scalable backend systems and microservices.
• Write clean, efficient, and well-documented code in Python.
• Build and optimize RESTful APIs and WebSocket services for high performance.
• Manage and optimize MongoDB databases for speed and scalability.
• Deploy and maintain containerized applications using Docker.
• Work extensively with AWS services (EC2, ALB, S3, Route 53) for robust cloud infrastructure.
• Implement and maintain CI/CD pipelines for smooth and automated deployments.
• Collaborate closely with frontend engineers, product managers, and leadership on architecture and feature planning.
• Participate in sprint planning, technical discussions, and code reviews.
• Take full ownership of features, embracing uncertainty with a problem-solving mindset.

Required Skills & Qualifications

• 2–7 years of backend development experience with a proven track record of building scalable systems.
• Strong proficiency in Python and its ecosystem.
• Hands-on experience with MongoDB, Docker, and Microservice Architecture.
• Practical experience with AWS services (EC2, ALB, S3, Route 53).
• Familiarity with CI/CD tools and deployment best practices.
• Strong understanding of REST API design principles and WebSocket communication.
• Excellent knowledge of data structures, algorithms, and performance optimization.
• Strong communication skills and ability to work in a collaborative, fast-paced environment.

What We Value

• Excitement to work on cutting-edge technology and platforms , helping redefine how businesses engage and convert customers.
• Thrives in a dynamic startup environment that values diversity, rapid innovation, and a growth mindset—adapting to change, challenging the status quo, and making a real impact.
• Passion for ownership beyond coding, contributing to product strategy and innovation.

Why Join Pepsales?

• Direct access to founders and a voice in high-impact decisions.
• Opportunity to shape a next-gen AI SaaS product transforming sales worldwide.
• Exposure to cutting-edge technologies in a rapidly growing startup.
• Ownership-driven culture with fast career growth and learning opportunities.
• A collaborative, innovation-driven environment that values creativity and problem-solving.

Tasks:

·      You will take part in the design of the architecture and the development of modern software-based applications in the back-end (Node.JS, TypeScript, Nest.JS)

·      You support the technological conception, programming and implementation of new features

·      You help manage IoT-to-Cloud services, Microservices, Kubernetes and Docker on GCP

Requirements:

·      Bachelor or Master student in an IT-related field of study

·      Ability to holistically conceive applications in multiple technologies in the backend

·      Experience in agile software development with JavaScript, TypeScript, Node.JS and ideally Nest.JS

·      First experiences in Cloud (AWS/Azure/GCP) and Docker

·       

Nice to Have:

·      Experience with GraphQL, Microservices, Kubernetes

·      Understanding of IoT device management and message brokers like AMQP or MQTT

Benefits:

·      A responsible position in a fast-growing and highly innovative start-up

·      An agile and diverse team with colleagues from all over the world

·      English speaking open work environment, with flat hierarchies and short decision-making paths

·      Advanced technology stack leveraging cutting-edge IoT hardware and software

·      Creative freedom for own ideas, projects and personal development

·      Team building, learning and start-up events

• 5 + years of hands-on experience in .NET, Angular and related Web technologies.

• 2 - 3+ years of experience designing and supporting Azure environments, including IaaS and PaaS

• Past experience in cloud computing and technology systems, as well as experience in designing and transferring applications to the cloud.

• Proven experience in Continuous Integration (CI) and Continuous Delivery (CD) as well as DevOps principles to achieve SDLC goals of Global Banking Technology

• Hands on experience using the Azure/AWS administration portal.

• Knowledge of at least one other cloud hosting solution (e.g., Azure, Google, AWS, Helion Cloud).

• Good hands-on experience in SOA, XML, WSDL, XSD, WSDL XML schema and namespaces (J2EE and .NET), MS .NET Framework, C#, HTML, Javascript, Micro Services/ APIs, Messaging, Threading, IBM DB.

• Have experience on development of container applications.

• Good knowledge of IBM DB. Should be comfortable writing stored procedures and user defined functions.

• Strong business knowledge of wealth management industry.

• Component / business object modeling, services modeling.

• Experience in building high concurrency, low latency 247 availability applications.

• Strong programming skills with emphasis on writing efficient algorithms to handle large data sets and processing.

• Understanding of HTTP, IIS and how the browser works.

• Ability to coordinate with various teams to deliver projects successfully.

• Knowledge of UML design.

• Knowledge of source control (preferably Git) and continuous Integration tools.

• Have working Knowledge of DevOps and best practices. Understanding of Major DevOps Tools and implementation for Source Control, Continuous Integration, Configuration Management, Deployment Automation, containers & Orchestration

• Experience in working in Agile framework.

• Good written and verbal communication skills.

Skills Desired:

• Financial markets, payment solutions or Wealth Management previous experience

Educational Qualification:

• Bachelor’s degree in Engineering preferred from an accredited college/university

Job Responsibilities

✓ Perform the role of Technical Lead on assigned projects to drive solution design (especially backend) and API services development.

✓ Be the thought leader and champion for above mentioned technologies.

✓ Drive technical analysis for new projects including planning and driving proof-of-concepts, if needed.

✓ Drive tasks related to backend development by providing architectural and technical leadership to mid-tier and database developers.

✓ Conduct peer reviews as the lead into Git to confirmed that developed code meets acceptable standards and guidelines.

✓ Work closely with the rest of the leads, mid-tier development, front-end developers, database developers, etc. to ensure end-to-end integrity of the solution being developed.

✓ Work closely with the rest of the tech leads and senior engineering leadership team to ensure reuse where applicable to increase productivity and throughput.

✓ Conduct technical interview to staff open positions in the backend team.

✓ Delegate work and assignments to team members

✓ Collaborate with their team to identify and fix technical problems

✓ Analyze users' needs and then finding applications to serve them

✓ Drive assigned tasks related to SOC 2 certification and ensure compliance to defined controls for areas under lead’s purview.

✓ Guiding their team through technical issues and challenges

✓ Prepare Technical design documents which would help the team to understand the technical flow

✓ Active participation in customer calls especially discussions related to Technical/Architectural and provide inputs.

Required Experience: 

✓ Backend Lead around 14 years of experience

✓ Server less Computing Architecture

✓ NodeJS, MySQL, Jenkins, Python, GitLab Technologies

✓ Good knowledge of AWS Cloud

✓ Full cycle AWS implementation experience

✓ Project experience in development and maintenance support for AWS web service and Cloudbased implementations

✓ Experience leading teams of up to 10 + professionals

Ability to manage multiple tasks and projects in a fast-moving environment 

Educational Qualifications: 

Engineering graduate or B. Tech/MCA with relevant major subjects like Computer Science

• Analyze highly complex business requirements;
• generate technical specifications to design or redesign complex software components and applications;
• Acts as an expert technical resource for modeling, simulation and analysis efforts;
• Adapt to change quickly and adjust work accordingly in a positive manner;
• Be flexible and thrive in an evolving environment;
• Individual contributor to build the application for e-commerce platform;
• Assures quality, security and compliance requirements are met for supported areas;
• Working in cloud data stores to include S3, DynamoDB and/or Amazon RDS;
• Perform test automation in a test-driven development environment;
• Implement DevOps concepts, tools and continuous delivery pipelines - Bamboo, Jenkins, Maven, Bitbucket, Jira, etc;
• Implement instrumentation to gather business-specific metrics around consumer usage patterns;

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required: 

• At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

Role & Responsibilities -:

1. Strong knowledge of PHP web frameworks such as Laravel
2. Knowledge of object oriented PHP programming & Restful API
3. Strong knowledge of Akamai CDN, Redis, AWS services
4. Understanding of LAMP and MVC design patterns
5. Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3, JS

framework

1. Knowledge of Payment Gateway
2. Familiarity with MySQL/ PgSQL/ Mongo databases
3. Proficient understanding of code versioning tools, such as Git
4. Understanding accessibility and security compliance
5. Understanding fundamental design principles behind a scalable application.
6. User authentication and authorization between multiple systems, servers, and

environments

Skills:

1. Building and maintenance of applications.
2. Extensive understanding of project management processes, principles and

methodologies.

1. Writing maintainable and high performance code.
2. Keeping up with the trends in technology and being up for challenges.

Qualification:

1. B. Tech in Computer Science or Bachelor’s degree in Engineering
2. Master’s degree in Computer Applications /M Tec. would be preferred.

• Team with top-notch engineers, product managers, program managers, DevOps and QA following agile development methodologies
• Review functional requirements, providing technical feedback on feasibility and architectural approach and framework.
• Design and develop web / mobile applications
• Create Prototype and/or Proof of Concepts (POCs) when necessary
• Act in a technical leadership capacity: Mentor junior engineers and new team members, perform code reviews and apply technical expertise to challenging programming and design problems
• Utilize Agile Development, SCRUM / Pair / Extreme Programming methodologies
• Design and develop supporting components and microservices for the backend tiers focusing on fault-tolerance and scalability in a multi-tenant enterprise environment
• Maintain and improve the functionality and performance of the existing web applications
• Help shape and execute the technical roadmap to develop next generation features; integrate corporate- and product-level architecture principles and goals into the teams project work through designs, implementation strategies, and project planning.
• Drive a culture of quality, technical curiosity, continuous improvement, and evidence-based data driven decision making in the organization.
• Execute other Duties as assigned

• 3+ years of experience developing Backend, API and data-based applications/software
• Experience with one of the major relational databases (MySQL, Oracle, Postgres) and NoSQL databases (Mongo DB, Cassandra, Dynamo DB or such)
• Expert object-oriented programming experience using Java
• Strong OO design and programming skills in Java, Hibernate, JPA, Spring Boot
• Worked in Maven, JPA, REST services, Postman
• Working knowledge on Spring Security / Spring Batch / ZUUL / Eureka / Hysterix
• Exposure with Frontend technologies (React.js, Angular or Ruby-on-Rails)
• Require experience and Strong understanding of entire Software Development Life Cycle (SDLC), Agile (Scrum), Software design/architecture process, unit testing & Test-Driven Development (TDD)
• Experience with web services (consuming or creating)
• Experience managing Cloud infrastructure (resources and service) in AWS, Azure and/or GCP
• Strong knowledge of SOA, object-oriented programming, design patterns, multi-threaded application development
• Experience in reporting and analytics, queuing and real-time streaming systems
• Git or similar distributed SCM tools experience.