Senior Software Developer – Backend API Services

Design, build, and maintain backend services for our cloud hosted PBX platform.

Contribute to architecture decisions considering functionality, scalability, reliability, maintainability, and observability.

Use data-led analysis to drive improvements in system performance (profiling, optimization, capacity thinking).

Debug and resolve complex issues in production and pre-production environments.

Collaborate with QA to define functional and performance test strategies and scenarios.

Write clean, maintainable, unit tested code and raise engineering standards through reviews and mentoring.

5+ years of professional software development experience (backend-focused).

Recent development experience programming in Python

Linux based development and deployments, Nginx, Tomcat.

Solid understanding of HTTP/HTTPS and building / consuming APIs.

Strong working knowledge of SQL and relational databases (schema design, query performance basics).

Proven ability to read, understand, and safely modify existing codebases (including legacy systems).

Experience designing or evolving high-load / networked systems (throughput, latency, availability).

Experience with CI/CD practices including extensive use of Test Automation.

Comfortable debugging concurrency issues (threads, synchronization) or async execution patterns.

Excellent communication skills and stakeholder management abilities

Practical knowledge of additional languages: Perl, JavaScript, TypeScript, Go.

Hands-on experience with asyncio, aiohttp, dramatiq.