Software Engineering Specialist in London

Software Engineering Specialist in London

London Temporary 63000 - 77000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Develop and optimise next-gen communication platforms using Java and advanced Speech AI technologies.
  • Company: Join a forward-thinking tech company at the forefront of voice services innovation.
  • Benefits: Enjoy competitive pay, health perks, hybrid work, and opportunities for professional growth.
  • Other info: Collaborate with experts in a dynamic environment with great career advancement potential.
  • Why this job: Make a real impact by bridging traditional telecom with modern cloud-based AI solutions.
  • Qualifications: Experience in Java, SIP development, and cloud operations is essential.

The predicted salary is between 63000 - 77000 £ per year.

  • Software Engineering Specialist
  • 6 months
  • Hybrid
  • Inside IR35 - umbrella only

We are seeking a Voice Services Developer to build, maintain, and optimize our next-generation communication platforms.

You will bridge the gap between traditional telecommunication protocols and modern cloud-based AI.

Your core focus will be developing stable SIP services using Java, managing open-source media engines, and integrating advanced Speech AI technologies across multi-cloud environments.

Key Responsibilities

  • SIP Development: Develop, test, and maintain mid-to-high performance SIP-based voice services using JAIN SLEE, SIP Servlets.
  • Media Server Administration: Configure, manage, and scale Free SWITCH or Asterisk communication engines.
  • Speech AI Integration: Implement Speech-to-Text (STT), Text-to-Speech (TTS), and Natural Language Processing (NLP) workflows into live voice streams.
  • Cloud Operations: Deploy and monitor voice applications across AWS, Azure, and Google Cloud Platform (GCP).
  • Troubleshooting: Use network analysis tools to diagnose audio quality issues, call drops, and latency problems.
  • Team Collaboration: Work alongside senior architects and Dev Ops teams to roll out scalable conversational AI bots.
  • Required Skills & Qualifications
  • Core Language: Professional experience with Java, including multi-threading and network programming.
  • In depth knowledge of Java
  • Good knowledge of java applications using JAIN SLEE framework, SIP Servlet Frameworks
  • Telephony Engines: Hands-on experience configuring and scripting with Free SWITCH or Asterisk.
  • Voice Protocols: Solid understanding of SIP, RTP/RTCP, and SDP.
  • Speech AI: Experience integrating cloud speech APIs (e. g., AWS Transcribe/Polly, Azure Speech, Google Cloud Speech-to-Text).
  • Multi-Cloud Exposure: Experience deploying and managing applications on AWS, Azure, and GCP.
  • Tools: Proficiency with Wireshark or sngrep for Vo IP troubleshooting.
  • Preferred Qualifications
  • Experience with Java telephony frameworks like Metaswitch Rhino SLEE or Oracle OCCAS.
  • Understanding of containerisation using Docker and Kubernetes in cloud environments.
  • #J-18808-Ljbffr

Software Engineering Specialist in London employer: Experis

As a Technical Stores Person at our Boscombe Down location, you will be part of a dedicated team supporting military operations with a focus on efficiency and high standards of service. Our company fosters a collaborative work culture that values employee growth, offering training opportunities and the chance to develop your skills in a dynamic environment. With a commitment to excellence and compliance, we provide a unique opportunity to contribute meaningfully to the defence sector while enjoying the benefits of working in a supportive and professional setting.

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Contact Details:

Experis Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Software Engineering Specialist in London

Get Involved in Open-Source Projects

Diving into open-source projects is a brilliant way to showcase your skills and connect with other developers in the community. Not only will you beef up your GitHub profile but you might also catch the eye of someone at Experis who values hands-on experience over just theory.

Attend Local Tech Meetups

Tech meetups are gold mines for networking and discovering job opportunities, especially in the fast-paced world of software engineering. Check out local listings for events in your area and don’t shy away from introducing yourself. This could lead directly to a temporary position at Experis!

Showcase Your Work Online

With temporary roles, it’s all about standing out in a short space of time. Create a portfolio website where you highlight your projects and skills. Talk about your code, and provide links to your GitHub repositories. This will not only demonstrate your abilities but will also make it easier for recruiters at Experis to see what you bring to the table.

Leverage Temporary Job Boards

Don’t forget to check specialised job boards for temporary software development roles. Websites like We Work Remotely or Remote OK often list short-term gigs that can be a perfect fit. Apply directly through our website as well, making sure your application is sharp—temporary roles can move fast!

We think you need these skills to ace Software Engineering Specialist in London

Java
Multi-threading
Network Programming
JAIN SLEE
SIP Servlets
FreeSWITCH
Asterisk

Some tips for your application 🫡

Show Off Your Tech Skills:Make sure your CV highlights your tech stack and any programming languages you’re proficient in. Include specifics about any frameworks or technologies you’ve worked with; they can make you stand out in the sea of applicants. It’s all about showing that you have the chops we need at Experis!

Portfolio 2.0:Since you’re applying for a temporary gig, it’s super important to showcase a portfolio that highlights your best projects. Include links to GitHub or any personal projects that demonstrate what you can do in a real-world environment. This gives us a taste of your style and your problem-solving approach!

Keep It Brief and Relevant:With a temporary position, we want to see your ability to hit the ground running. Be concise in your CV and cover letter; stick to experiences that directly relate to the role. Highlight any previous temporary roles or freelance gigs that show your adaptability and quick learning!

Tailor Your Cover Letter:Don’t just send a generic cover letter. Personalise it for Software Engineering Specialist at Experis! Mention why this temporary role excites you and how you see yourself contributing in the short run. Show us what you've got and why you're the one for this quick turn-around!

How to prepare for a job interview at Experis

Nail the Technical Skills

For a software engineering role, you'll likely face technical questions or coding tasks during your interview. Brush up on the relevant programming languages and frameworks that Experis uses, and don’t forget to practice some coding challenges on platforms like LeetCode or HackerRank. Showing your coding prowess can really make you stand out!

Prepare for System Design Questions

Even for a temporary role, having a grasp of system design principles can be crucial. Be ready to discuss how you would architect a software solution, including discussing trade-offs, scalability, and performance considerations. Having examples from previous projects can really show off your analytical thinking.

Demonstrate Your Adaptability

Since this is a temporary role, you'll want to emphasise your ability to hit the ground running. Highlight experiences where you quickly adapted to new technologies or teams. Let’s make it clear to the interviewers at Experis that you can learn on the job and deliver results in a short timeframe!

Show Off Your Portfolio

Make sure to have a portfolio or GitHub ready showcasing your projects. Having tangible evidence of what you've done—be it personal projects, contributions to open-source, or previous work—can convey how capable you are. Tailor this for what might interest Experis, so it's relevant and sparks conversation during your interview.