Senior Platform Engineer (Telephony Systems) in London

Senior Platform Engineer (Telephony Systems) in London

London Full-Time 53.73 - 72.54 £ / hour (est.) Home office (partial)
PiPcall

At a Glance

  • Tasks: Own and develop our Linux-based telephony platform, solving real-time challenges.
  • Company: Join PiPcall, a fast-growing tech company with a collaborative culture.
  • Benefits: Enjoy flexible hours, competitive salary, and remote work options.
  • Other info: Be part of a diverse team with opportunities for career growth.
  • Why this job: Make a real impact on a modern communications platform and shape its future.
  • Qualifications: Strong Linux experience and hands-on skills with FreeSWITCH or SIP systems.

The predicted salary is between 53.73 - 72.54 £ per hour.

Are you a senior platform engineer who enjoys owning critical systems and solving complex, real-time problems? PiPcall is growing fast and we're looking for a Senior Platform Engineer to take ownership of our core telephony platform.

What You'll Be Doing

  • Owning and developing PiPcall's Linux-based telephony platform
  • Designing, building, and supporting real-time systems using FreeSWITCH
  • Ensuring production systems are reliable, scalable, and performant
  • Diagnosing issues across application, system, and network layers
  • Analysing logs, metrics, and packet captures
  • Improving monitoring, observability, and automation
  • Working closely with engineers integrating backend services and APIs

What We're Looking For

  • Strong experience with Linux production systems or similar
  • Hands-on experience with FreeSWITCH or other SIP-based systems
  • Solid understanding of SIP, networking, and real-time communications
  • Confident troubleshooting skills (logs, tcpdump, Wireshark)
  • Scripting experience (Bash plus Python / Perl / PHP or similar)
  • Familiarity with relational databases
  • Comfortable taking ownership in a small, fast-moving team

What We Offer

  • Flexible hours and regular remote working
  • Competitive, experience-led salary
  • End-to-end ownership of mission-critical infrastructure
  • A high-trust, low-bureaucracy engineering environment
  • A genuine opportunity to influence and shape a growing communications platform

Monday to Friday 9:00 – 18:00

What's in It for You

You'll join a rapidly scaling engineering organisation at a pivotal point in the telecoms and software landscape, working directly with a leadership team led by a proven serial technology entrepreneur. This is a rare opportunity to help shape a modern, distributed platform that underpins "work from anywhere" solutions used at scale. You'll have real ownership over platform architecture, reliability, and scalability, with the autonomy to influence technical direction and tooling. As the business grows, you'll tackle complex engineering challenges, work with cutting-edge cloud and automation technologies, and play a key role in defining best practices for a high-performing platform function. There is clear scope to progress into principal or leadership roles as the platform and team continue to expand.

Why PiPcall?

At PiPcall, our culture is driven by a professional growth mindset where collaboration, creativity, and team-centred proactivity make anything possible. We're relaxed yet professional, and our people are genuinely invested in collective success. Our team's DNA spans telecoms, IT, media, and even astrophysics, with notable achievements and patented innovations across video streaming, cloud-based communications, and financial software. We're a diverse group of friendly tech enthusiasts guided by commercially proven entrepreneurs who have successfully navigated both start-up and enterprise environments.

Ready to Build What Powers the Product? If you want real responsibility, technical ownership, and impact, we'd love to hear from you. Apply now.

Senior Platform Engineer (Telephony Systems) in London employer: PiPcall

At PiPcall, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters collaboration and innovation. Our team enjoys flexible hours, regular remote working, and the opportunity to take end-to-end ownership of mission-critical infrastructure, all while being part of a diverse group of tech enthusiasts dedicated to professional growth and collective success. With clear pathways for career advancement and the chance to influence a rapidly scaling platform, PiPcall is the ideal place for those seeking meaningful and rewarding employment in North London.

PiPcall

Contact Details:

PiPcall Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Platform Engineer (Telephony Systems) in London

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at PiPcall or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to PiPcall.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like PiPcall.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like PiPcall that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Senior Platform Engineer (Telephony Systems) in London

Linux production systems
FreeSWITCH
SIP-based systems
Networking
Real-time communications
Troubleshooting skills
Logs analysis

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at PiPcall.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at PiPcall and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at PiPcall

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If PiPcall uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.