Senior Backend Engineer
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Job Description
Job Title: Senior Backend Engineer
Experience: 5+ Years
Company: Jaxl Innovations Private Limited
Salary: 14 - 20 LPA
About Jaxl Innovations
Jaxl is reimagining how modern communication tools are built for consumers, businesses, and developers alike. We’re the creators of Jaxl Phone, a next-generation calling app for consumers that puts privacy, clarity, and reliability first, and Jaxl Business Phone, a powerful solution for companies that need scalable, programmable, and deeply customizable voice infrastructure. Alongside these flagship products, we provide developers with robust APIs, tools, and simulators to design, test, and deploy advanced voice and messaging workflows. From interactive IVR simulations and real-time audio pipelines to low-latency tunneling tools like Grout, Jaxl makes it easy to build and iterate fast. Whether you're launching a secure consumer calling app, running a full-blown VoIP platform, or embedding smart voice features into your existing systems, Jaxl gives you the flexibility, control, and performance to get it done.
Main Responsibilities
As a member of the backend engineering team, your primary responsibilities include:
- Designing scalable and efficient database schemas
- Designing REST APIs that meet OpenAPI specifications
- Writing clean, testable, and well-typed Python code (type hints)
- Deploying, managing, and monitoring microservices on GCP
- Conducting code reviews and maintaining code quality
- Contributing to architectural discussions and system improvements
Day-to-Day Activities
Our engineering teams follow an agile methodology with quarterly milestones, broken into 2-week sprints. We use GitHub for planning, task management, and collaboration.
A typical day at Jaxl looks like this:
- Review your peers’ pull requests
- Prioritise and plan your tasks for the day
- Send pull request(s) for your assigned tasks
- Address review comments on your pull requests
- Verify changes after deployment on GCP
- Collaborate with the team to solve technical challenges
Qualifications & Must-Have Skills
You must be strong in data structures, algorithms, and backend system design.
Our backend stack heavily relies on Python, Django, and DRF. Proficiency in the following is required:
Core Technology Skills (Must-Have)
- Python 3 (including asyncio)
- Django & Django Channels
- Django Rest Framework (DRF)
- Spectacular (OpenAPI schema generation)
- PostgreSQL
- Redis
- Strong Git workflows (branching, PR reviews, CI flows)
Core Knowledge Requirements (Must-Have)
- Deep understanding of HTTP / TCP / UDP protocols
- Clear understanding of how the internet and web work
- Understanding of distributed systems and modern backend architectures
Nice-to-Have Skills
Knowledge of the following is a plus:
- WebRTC / SIP protocols
- HTML5
- JavaScript / TypeScript
- CSS3 / SCSS
- Experience with real-time systems or communication platforms
What We Look For
- Strong problem-solving skills and ownership mindset
- Ability to work with cross-functional teams
- Passion for clean code, automation, and reliability
- Experience working in agile, fast-paced engineering teams
What We Offer
- High ownership role in a growing product company
- Exposure to modern cloud-native and distributed systems
- Opportunity to build large-scale communication infrastructure
- Collaborative and transparent engineering culture
Designation
Senior Backend Engineer
Key Skills
Industry
Software Development
Functional Area
IT Services
Employment Type
Full Time
Education
Graduation/Diploma
Job Type
Work From Office
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