At a Glance
- Tasks: Own and improve our Linux-based telephony platform while solving complex real-time problems.
- Company: Join PiPcall, a dynamic company blending telecoms expertise with modern software engineering.
- Benefits: Enjoy flexible hours, competitive salary, and the chance to work remotely.
- Other info: Collaborate in a high-trust environment with opportunities for career growth.
- Why this job: Make a real impact on mission-critical voice infrastructure and shape engineering standards.
- Qualifications: Strong Linux experience and knowledge of SIP/VoIP systems are essential.
The predicted salary is between 95000 - 95000 € per year.
Are you a senior engineer who thrives on owning mission-critical platforms, solving complex real-time problems, and improving reliability at scale? PiPcall is looking for a Senior Platform Engineer to take technical ownership of our core telephony platform. This role is best suited to someone with strong Linux systems expertise, solid SIP / VoIP knowledge, and hands-on experience supporting production environments where performance, uptime, and troubleshooting depth really matter.
Role snapshot:
- Full-time
- Hybrid / Remote
- Salary: Up to £95,000 per annum
- Monday to Friday, 9:00 - 18:00
What You’ll Be Doing:
- Own and continuously improve PiPcall's Linux-based telephony platform in production
- Design, build, and support real-time voice services using FreeSWITCH and related SIP components
- Drive platform reliability, scalability, resilience, and performance across critical services
- Troubleshoot complex issues across application, operating system, and network layers
- Analyse logs, metrics, traces, and packet captures to identify root causes and prevent recurrence
- Improve monitoring, observability, automation, and operational tooling
- Collaborate closely with engineers working across backend services, APIs, and platform integrations
What We’re Looking For:
- Essential: Strong experience running and supporting Linux production systems
- Essential: Hands-on experience with FreeSWITCH, Asterisk, Kamailio, OpenSIPS, or similar SIP/VoIP platforms
- Essential: Solid understanding of SIP, networking, and real-time communications in production environments
- Essential: Strong troubleshooting capability using logs, tcpdump, Wireshark, and system-level diagnostics
- Essential: Scripting experience in Bash plus at least one of Python, Perl, or PHP
- Essential: Comfortable taking ownership, making sound technical decisions, and working effectively in a small engineering team
- Desirable: Experience with cloud infrastructure, automation, observability tooling, or relational databases
Why Senior Engineers Join Us:
- Flexible hours and regular remote working
- Competitive salary aligned to experience and technical depth
- End-to-end ownership of mission-critical voice infrastructure
- A high-trust, low-bureaucracy engineering environment where strong technical judgement is valued
- The opportunity to shape platform direction, tooling, and engineering standards as the business grows
What’s in It for You:
This is a hands-on senior engineering role with genuine ownership of core real-time communications infrastructure. You’ll work on a platform that matters to the business, with the scope to influence architecture, reliability, tooling, and operational standards. It’s well suited to engineers who enjoy solving difficult production problems, improving systems at scale, and having a visible impact in a small, capable team. As the platform grows, there is clear scope to shape engineering standards and expand your influence.
About PiPcall:
PiPcall combines telecoms expertise with modern software engineering to build dependable communications products for businesses that need performance and reliability. We value strong technical judgement, straightforward collaboration, and people who take pride in solving hard problems well. You’ll be joining a business where experienced engineers can make meaningful technical contributions without unnecessary bureaucracy, and where platform quality is taken seriously.
Interested?
If you have strong Linux platform experience and a solid background in SIP, VoIP, or telephony systems, this is an opportunity to take ownership of a platform where your technical depth will be valued. If your background matches the essential criteria and you’re looking for genuine technical ownership, we’d like to hear from you.
Senior Platform Engineer Telephony / VoIP / Linux employer: PiPcall
At PiPcall, we pride ourselves on fostering a high-trust, low-bureaucracy environment where senior engineers can take genuine ownership of mission-critical telephony platforms. With flexible working hours, competitive salaries, and the opportunity to shape engineering standards, our culture encourages collaboration and innovation, making it an ideal place for those who thrive on solving complex problems and making a tangible impact in a small, capable team.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Platform Engineer Telephony / VoIP / Linux
✨Tip Number 1
Network, network, network! Get out there and connect with folks in the industry. Attend meetups, webinars, or even just grab a coffee with someone who works in telephony or VoIP. You never know who might have a lead on your dream job!
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects related to Linux, SIP, or VoIP. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Don’t be shy about reaching out directly to companies like PiPcall. A well-crafted email expressing your interest and highlighting your relevant experience can go a long way. We love seeing proactive candidates!
✨Tip Number 4
Prepare for technical interviews by brushing up on your troubleshooting skills. Practice solving real-time problems and be ready to discuss your thought process. Remember, we want to see how you tackle challenges, not just the final answer!
We think you need these skills to ace Senior Platform Engineer Telephony / VoIP / Linux
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your Linux systems expertise and experience with SIP/VoIP platforms. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects or achievements!
Craft a Compelling Cover Letter:Your cover letter is your chance to tell us why you’re the perfect fit for our team. Share your passion for telephony and real-time communications, and give us a glimpse of your problem-solving mindset. Keep it engaging and personal!
Show Off Your Troubleshooting Skills:In your application, mention specific instances where you've tackled complex issues in production environments. We love engineers who can dive deep into logs and metrics, so let us know how you’ve used tools like tcpdump or Wireshark to get to the root of a problem.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates. Plus, we love seeing candidates take that extra step!
How to prepare for a job interview at PiPcall
✨Know Your Tech Inside Out
Make sure you brush up on your Linux systems expertise and SIP/VoIP knowledge. Be ready to discuss specific projects where you've designed or supported telephony platforms, and don't shy away from diving into the technical details.
✨Showcase Your Troubleshooting Skills
Prepare to share examples of complex issues you've resolved in production environments. Use logs, tcpdump, or Wireshark as talking points to demonstrate your analytical skills and how you approach problem-solving.
✨Demonstrate Ownership and Decision-Making
This role requires taking ownership of critical platforms, so be prepared to discuss times when you've made sound technical decisions. Highlight your experience working in small teams and how you’ve contributed to platform reliability and performance.
✨Engage with the Team Spirit
Since collaboration is key, think about how you can show your ability to work closely with engineers across different services. Share experiences where you’ve successfully collaborated on projects, especially those involving backend services and APIs.
