Senior Backend Engineer

We are looking for a Python Backend Developer to design, build, and maintain scalable backend services and APIs. The role involves working with modern Python frameworks, databases (SQL and NoSQL), and building well-tested, production-grade systems.

You will collaborate closely with frontend developers, AI/ML engineers, and system architects to deliver reliable and high-performance backend solutions.

Key Responsibilities

• Design, develop, and maintain backend services using Python
• Build and maintain RESTful APIs using FastAPI
• Design efficient data models and queries using MongoDB and SQL databases (PostgreSQL/MySQL)
• Ensure high performance, security, and scalability of backend systems
• Write unit tests, integration tests, and API tests to ensure code reliability
• Debug, troubleshoot, and resolve production issues
• Follow clean code practices, documentation, and version control workflows
• Participate in code reviews and contribute to technical discussions
• Work closely with cross-functional teams to translate requirements into technical solutions

Required Skills & Qualifications

Technical Skills

• Strong proficiency in Python
• Hands-on experience with FastAPI
• Experience with MongoDB (schema design, indexing, aggregation)
• Solid understanding of SQL databases and relational data modelling
• Experience writing and maintaining automated tests
• Unit testing (e.g., pytest)
• API testing
• Understanding of REST API design principles
• Familiarity with Git and collaborative development workflows

Good to Have

• Experience with async programming in Python (async/await)
• Knowledge of ORMs/ODMs (SQLAlchemy, Tortoise, Motor, etc.)
• Basic understanding of authentication & authorisation (JWT, OAuth)
• Exposure to Docker / containerised environments
• Experience working in Agile/Scrum teams

What We Value

• Strong problem-solving and debugging skills
• Attention to detail and commitment to quality
• Ability to write testable, maintainable, and well-documented code
• Ownership mindset and willingness to learn
• Teamwork

What We Offer

• Opportunity to work on real-world, production systems
• Technically challenging problems and ownership of components
• Collaborative engineering culture

Requirements / Experience:

• 4-8+ years of PHP application development experience
• Strong Experience using Laravel/CodeIgniter/ Symfonyframeworks
• Strong experience and theoretical knowledge of PHP
• Front end and back end development expertise
• JavaScript (Vue.js, React, node, Typescript, RequireJS)
• Front end frameworks (Bootstrap, Tailwind, etc.)
• Good background with SQL Databases (writing queries, optimization, query builders usage, ORMs)
• API development and documentation (OpenAPI)
• Troubleshooting (ability to react in the most effective manner to eliminate technical issues)
• Solution-Making (ability to propose the most effective technical solutions)
• NoSQL experience is nice to have
• Ability to work on existing live projects and do the modifications as required. 
• Ability to work independently and in a team as well

About Us:

DriveX is India’s largest used 2-wheeler platform founded by Narain Karthikeyan, India’s first Formula 1 racer. DriveX is a fully stacked platform having capabilities across the pre-owned vehicle value chain from procurement to refurbishment to retail and service of pre-owned two-wheelers.

Website- https://www.drivex.in

Location- Bangalore

Job Overview:

We are looking for a talented Python Developer to join our tech team. The successful candidate will be responsible for developing server-side logic, integrating front-end components, and supporting the development of scalable and high-performance applications. The Python Developer will collaborate with cross-functional teams to deliver high-quality software solutions.

Responsibilities:

1. Develop server-side logic using Python for seamless integration with front-end components.

2. Design and implement scalable and high-performance applications.

3. Collaborate with front-end developers to integrate user-facing elements with server-side logic.

4. Implement security and data protection features.

5. Work closely with the product management team to define and implement new features.

6. Optimize applications for maximum speed and scalability.

7. Collaborate with other team members and stakeholders to deliver software solutions that align with business requirements.

8. Stay up-to-date with industry trends and technologies, and apply them to the development process.

Requirements:

1. Proven 3+years of experience as a Python Developer.

2. Strong proficiency in Python, with a good understanding of their ecosystems. 3. Knowledge of server-side templating languages such as Jinja 2 or EJS.

4. Understanding of front-end technologies, such as HTML5, CSS3, and JavaScript.

5. Experience with data migration, transformation, and scripting.

6. Proficient understanding of code versioning tools, such as Git.

7. Knowledge of authentication and authorization mechanisms.

8. Familiarity with common front-end development tools, such as Babel, Webpack, etc. 9. Strong problem-solving skills and attention to detail.

10. Excellent communication and collaboration skills.

11. Ability to work well in a team-oriented, collaborative environment.

12. Experience with microservices architecture is a plus.

Requirement:

1. Node Js min 2 yrs exp.
2. Database - MONGO, SQL, etc. min 2yrs experience with these.

3. Caching - REDIS, MEMCACHED etc

4. Message Queues - RABBIT MQ, Kafka, etc.

Location: Delhi (Work from office).
Package : Upto 12 LPA

• As a senior backend engineer, you will be expected to execute and deliver large and complex projects end-to-end, with or without the involvement of other team members
• Ensuring timely delivery of all product deliverables
• Play a key role in technical discussions within the team and be the go-to person for the team for guidance and troubleshooting
• Understand key Business and Engineering metrics around performance, quality, and availability and work regularly with the team to push the boundaries and improve them periodically
• Proactively participate in code reviews and architecture and design discussions
• Mentoring junior engineers and setting best practices for coding, code reviews, etc.
• Help the organization in building a top-quality team by participating in hiring initiatives and evangelizing about contributions, accomplishments, and victories

• Strong and self-motivated individuals, should be able to independently drive decisions
• Solid experience in building web-based products
• Overall of 4+ years of expertise in at least one dynamic programming language and one MVC web framework, preferably Ruby on Rails
• Expertise in Database modeling, preferably relational DB, spotting DB bottlenecks, and writing optimized DB queries
• Expertise in all common Cloud technologies, preferably AWS. Knowledge of CI/CD tools and workflows
• Proven track record in building highly-available and scalable distributed systems
• Willingness to play and explore with new technologies and be a Subject Matter Expert and support them
• Someone who believes in small incremental improvements and is passionate about refactoring
• A keen eye for quality with regards to following and establishing good coding practices, improving code coverage
• Good stakeholder management, ability to build trust and rapport with internal and external stakeholders

Technical Overview:

● You will be expected to design, develop and maintain large-scale complex backend web applications.

● You will be expected to rapidly learn and apply relevant new technologies.

● You will be having a high level of interaction with business and product stakeholders.

● You will be working on the entire web application stack, which includes:

      o Web server hosting

      o RESTful communication

      o Message brokering

      o Backend application layer, which includes the service and domain layers

     o Data layer for persistence or caching

● You will be participating in an agile software development cycle, which includes:

     o Design

     o Development

     o Code Review

     o Unit and Integration Testing

     o Release

● As a Staff Engineer, you will be expected to contribute to design, code review, refactoring, and project management.

● You will be exposed to the following technologies:

     o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS Lambda

     o Languages: Ruby, Java, Kotlin, Javascript, Python

     o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift

     o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS

     o Server Management: Amazon ECS, Docker

Product Overview:

You will be contributing to products concerning both customers and partner drivers.

Product sectors include:

1) Growth: You’ll build tools to help boost user growth on the platform including our industry-best driver onboarding, training and certification system, referral system, and lead management models.

2) Lifecycle Management: Build tools to help users engage with the platform better, which include rewards and recognition modules, subscription services account management tools, partner and customer wallets and payout modules, and churn detection systems among others.

3) Transaction Experience: You’ll help deliver the most delightful booking experience to our customers and drivers. As part of this team, you’ll be responsible for our core booking system, pricing and payment

systems, location tracking and filtering services, fraud prevention systems, and in-app ticketing and support among others.

4) Fulfilment: As part of the fulfillment team, you’ll work on systems that ensure a high degree of ride fulfillment on the platform. Tools include allocation methodologies and systems, dynamic pricing, dynamic partner routing, and partner re-activation tools among others.

5) Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence. You’ll build tools for contract management, fleet management, fleet and route optimization tools, alerting and monitoring tools, and analytics suite among others.

Your Responsibilities:

• Own the backend stack – Node.Js based, that powers our product
• Collaborate with Backend Developers (Python), Front-end developers, DevOps, and Data Scientists to design and implement new features
• Build and maintain several REST’ful Services/Endpoints which will be used both internally and externally in a Macroservices/Distributed services environment.
• Deploy and monitor the Services/Endpoints ensuring availability and scalability(ability to handle 100X traffic)
• Work on full project lifecycle starting from requirements gathering/understanding the problem to deploying and maintaining the project.

Skills that you bring Along:

• A minimum 8+ years of extensive work experience with Node.Js and related frameworks – particularly Express.Js.
• Extensive experience in designing and maintaining REST’ful API endpoints
• Extensive experience with databases such as Postgres and Mongo.
• Extensive experience in Cloud Infrastructure (AWS based) – e.g. AWS API Gateway, Lambda Functions etc.
• Experience with cache like Redis and/or Memory cache
• Good experience in Microservices/Macroservices or Event driven Architectures
• Good experience with design patterns
• Experience in writing advanced SQL-queries, good knowledge of PL/SQL
• Good understanding of Software Design Principles and domain-driven design
• Good experience with Continuous Delivery and Containerization(Docker)
• Ideally maintaining infrastructure-as-code using Terraform
• Excellent communication skills and the ability to explain complex topics in a simple manner

We’re looking for a Senior Backend Engineer to help us build the tools, services, and applications that will enable us to be the planet’s most patient-focused pharmacy. You will work on projects ranging from greenfield initiatives to matured products with an active user base. 

• Collaborate with engineering team to design and implement products using event driven micro-services architecture.
• Interact with Product Managers and key stake-holders on regular basis to understand and execute Product vision.
• Take charge of end-to-end feature development, right from proof-of-concept to production deployment and support
• Brainstorm and lead continuous improvement projects for product
• Providing feedback to peer developers on code quality and development standards.
• Mentoring team on strong coding and design standards.
• Setting the bar high for development practises while striking the right balance between pragmatism and perfection for code and processes.
• Effectively document API's and services using Swagger/OpenAPI, visualize flow and dependencies using diagrams, and create technical documents on engineering wikis.
• Present crisp and clear feature demos to stakeholders.

Some of our opensource projects- https://meet.google.com/linkredirect?authuser=0&;dest=https%3A%2F%2Fgithub.com%2Fmedly">https://github.com/medly

We don’t expect anybody to be an expert on all of these, but you should be deeply familiar with some, and a self-starting learner who isn’t afraid to ask for help:

• Polyglot Development (at least 1 more lang apart from Java and JavaScript)
• At least one JVM language
• Functional Programming, 
• OO Design, Clean Code, SOLID principles
• Solid grasp on HTTP, and REST
• Web based SaaS product development
• Deployment to AWS or any cloud
• Test Driven Development, 
• Security Compliance like HIPAA, PCI-DSS, SOC2
• Git, Linux, CI/CD, Gradle, IDEA
• Security based on OAuth2 / OIDC
• SQL and NoSQL DBs like PostgreSQL, DynamoDB, ElasticSearch
• Docker
• SQL Migration tools like Liquibase, Flyway
• Semantic Versioning, Feature Toggles, PR, Feature Branches

• 3+ Years of experience mainly on Backend Development using any two languages (Java, Kotlin, NodeJS, Ruby etc.)
• Minimum a bachelor degree in Computer Science, Engineering or any related field.

• Develop service/APIs using Kotlin/Micronaut Node/Serverless
• Aurora Serverless PostgreSQL DB
• AWS, Lambda, API Gateway, Amplify, Cognito, Okta
• Github, Github Actions, SonarCloud
• Database versioning using tools like Liquibase
• Terraform to manage infra
• Cloudwatch/AWS X-Ray to monitor the infra
• Opportunity to make Open Source Contribution

We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications.

You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.

Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.

• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

• BS/MS degree in Computer Science, Engineering or a related subject
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE platforms
• Object Oriented analysis and design using common design patterns.
• Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
• Experience in the Spring Framework
• Experience as a Sun Certified Java Developer
• Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
• Experience with test-driven development