
Job description
Key Responsibilities
- Design, develop, and maintain serverless applications using AWS services such as Lambda, API Gateway, DynamoDB, and S3.
- Collaborate with front-end developers to integrate user-facing elements with server-side logic.
- Build and maintain RESTful APIs to support web and mobile applications.
- Implement security best practices for AWS services and manage IAM roles and policies.
- Optimize application performance, scalability, and reliability through monitoring and testing.
- Write clean, maintainable, and efficient code following best practices and design patterns.
- Participate in code reviews, providing constructive feedback to peers.
- Troubleshoot and debug applications, identifying performance bottlenecks and areas for improvement.
- Stay updated with emerging technologies and industry trends related to serverless architectures and Python development.
Qualifications
- Bachelors degree in Computer Science, Engineering, or related field, or equivalent experience.
- Proven experience as a Python backend developer, with a strong portfolio of serverless applications.
- Proficiency in AWS services, particularly in serverless architectures (Lambda, API Gateway, DynamoDB, etc.).
- Solid understanding of RESTful API design principles and best practices.
- Familiarity with CI/CD practices and tools (e.g., AWS CodePipeline, Jenkins).
- Experience with containerization technologies (Docker, Kubernetes) is a plus.
- Strong problem-solving skills and the ability to work independently and collaboratively.
- Excellent communication skills, both verbal and written.
Preferred Skills
- Experience with frontend technologies (JavaScript, React, Angular) is a plus.
- Knowledge of data storage solutions (SQL and NoSQL databases).
- AWS certifications (e.g., AWS Certified Developer Associate) are a plus.

About Quinnox
About
Connect with the team
Similar jobs
Job Title : Node.js Developer
Experience : 3+ Years
Location : Gurgaon
Interview Rounds : 3
Mandatory Key Skills :
- Node.js, TypeScript
- PostgreSQL, MongoDB
- API Development, Microservices
Responsibilities :
- Develop and maintain scalable backend applications.
- Design and optimize database queries in PostgreSQL & MongoDB.
- Collaborate with cross-functional teams for seamless integration.
Position: Python Developer
Location: Andheri East, Mumbai
Work Mode: 5 Days WFO
Availability: Immediate joiners only (or notice period completed)
What We're Looking For:
✅ 2+ years of solid Python development experience
✅ Django framework expertise - must have!
✅ FastAPI framework knowledge - essential!
✅ Database skills in MongoDB OR PostgreSQL
✅ Ready to work from office 5 days a week
Profile : Java Developer
Experience : 3+ Years
Location : Pune (Viman Nagar)
Mode : 5 Days WFO
(Only immediate joiners & candidates serving notice period)
Roles :
- Java Application Developer
- Microservices Architect
- API Developer
- Code Reviewer
- Technical Problem Solver
- Database Integration Specialist
- Team Collaborator
Responsibilities :
- Design, develop, and maintain Java-based applications using Spring Boot
- Build and deploy microservices architecture following best practices
- Develop RESTful APIs and web services for integration
- Write clean, efficient, and well-documented code
- Implement design patterns for scalable solutions
- Work with databases (MySQL, PostgreSQL) for data management
- Perform comprehensive code reviews and testing
- Collaborate with cross-functional teams (Frontend, QA, DevOps)
- Participate in Agile/Scrum development processes
- Translate business requirements into technical solutions
- Troubleshoot and debug complex application issues
- Follow CI/CD practices for smooth deployment
- Monitor and optimize application performance
Good understanding and experience of HTML / CSS / JavaScript.
Hands-on experience with ES6 / ES7 / ES8 features.
Thorough understanding of the Request Lifecycle (including Event Queue, Event Loop,
Worker Threads, etc).
Familiarity with security principles including SSL protocols, data encryption, XSS, CSRF.
Expertise in Web Services / REST APIs will be beneficial.
Proficiency in Linux and deployment on Linux are valuable.
Knowledge about ORM like Sequelize and ODM like Mongoose and the ability to handle
DB transactions is a necessity.
Experience with Angular JS / React JS will be an added advantage.
Expertise with RDBMS like MySQL / PostgreSQL will be a plus.
Knowledge of AWS services like S3, EC2 will be helpful.
Understanding of Agile and CI/CD will be of value.
Role: Senior Backend Developer
Exp: 4 - 7 Years
CTC: up to 22 LPA
Key Responsibilities
- Design, develop, and maintain scalable applications using Java (Spring Boot) and Python (Flask).
- Build RESTful APIs and microservices following best practices.
- Implement event-driven architecture leveraging NATS messaging server.
- Deploy, manage, and optimize applications in Kubernetes and containerized environments.
- Develop and manage CI/CD pipelines, ensuring smooth deployment and delivery.
- Collaborate with cross-functional teams to deliver high-quality solutions.
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and contribute to architectural decisions.
- Troubleshoot, debug, and optimize application performance.
Company is a remote-first team, looking to scale our Open Source Feature
Flagging, Remote Config and A/B Testing product. With both SaaS and on-premises customers, we are investing into our globally distributed, low latency API and making it simple for customers to deploy on their own infrastructure via Kubernetes and OpenShift.
We are looking for a Lead Server-Side Engineer, who also enjoys working on dev-ops, infrastructure and orchestration, and can help build out our existing API and infrastructure.
We are a really small team right now, and this is our first technical hire outside of the founders, so it’s a great opportunity to be part of something that is looking to scale quickly!
We are looking for someone who loves working with:
- Python. Django Rest Framework experience would be great, but not essential! We prioritise
- quality over quantity.
- Postgres with InfluxDB, Oracle, MySQL and Redis experience a plus.
- Docker, Kubernetes, Helm, OpenShift and associated tooling.
- AWS, especially ECS, Lambda, RDS and DynamoDB. Performance and uptime are super
- important to us.
- The challenge of scaling a global, distributed API to 10,000+ requests per second.
- We have SDKs in a bunch of languages, so the more polyglot you are the better.
- If you like writing JS and React that would be awesome too.
We are a 100% remote team, currently based on the West Coast US and in Europe
The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a lead developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstanding communication and aleadership skills.
Responsibilities
- Writing clean, high-quality, high-performance, maintainable code
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Coordinate cross-functionally to insure project meets business objectives and compliance standards
- Support test and deployment of new products and features
- Participate in code reviews
Qualifications
- 5+ years of relevant work experience
- Mandatory experience in building scalable microservices on nodejs platforms
- Expertise in Object Oriented Design, Database Design, Service architecture
- Experience with Agile or Scrum software development methodologies
- Ability to multi-task, organize, and prioritize work
- Designing, coding, and debugging software using J2EE, Spring boot,Microservices ,AWS .
- Work closely with Solution architects to understand the architecture
design and implement software designs accordingly. - Improving the performance of existing software.
- Providing training to other engineers and code review.
- Maintaining and upgrading existing software.
- Recommending new technologies that can help increase productivity.
- Supervising and overseeing the technical aspects of projects.
- Investigating software-related complaints and making necessary adjustments to ensure optimal software performance.
- Regularly attending team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.
- Mentioning Software engineers on correct coding practices.
Roles & Responsibilities:
- Design and Build API/Micro services using Spring boot.
- Experience in Spring Reactive programming.
- Exposure to docker and containerization
- Developing enterprise grade highly scalable java-based application
- Writing test cases using Java testing framework like JUnit, Mockito.
- Proficient understanding of code version tools, such as Git, SVN
- Displaying initiative and an ability to lead others, and develop applications team disciplined manner
- Participating in application solutions including assisting with planning and architectural design, development, resolution of technical issues, and application rationalization.
- Utilizing and applying robust analytic thinking with the ability to identify, debug, and resolve technical issues.
- Achieving significant contributions within a small team of developers to lead teams and deliver solutions within an Agile methodology, whilst ensuring quality, timeliness and team-wide adherence to good architectural practice and guidelines.
- Good Experience in Application Software Design and Development, Object Oriented Analysis and Design (OOAD), Software Testing and Debugging.
- Conduct peer code reviews

- 5+ years experience
- Previously managed a team
- Built & managed backend systems from scratch previously.
- Lead the core backend engineering team, including mentoring, coaching, architecture, devops, code review and software infrastructure
- Should be more proficient with Django.
- Work with the executive team to shape and execute the product roadmap
- Direct our team environment to achieve sprint deliverables and acceptance criteria
- Design and monitor metrics to assess product and infrastructure performance
- Hire, build and shape the team







