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Netrolynx AI

Java Developer

United Kingdom
Posted about 12 hours ago
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About The Company

Adecco is a global leader in workforce solutions, connecting talented individuals with innovative organizations across various industries. Renowned for its comprehensive HR services, Adecco specializes in staffing, consulting, and workforce management solutions that enable companies to achieve their business objectives. With a strong presence in over 60 countries, Adecco is committed to fostering inclusive and dynamic work environments, supporting career development, and delivering exceptional value to clients and candidates alike.

About The Role

We are seeking a highly skilled Java Developer with expertise in SIP/VoIP technologies to join our client's dynamic team on a 6-month contract basis, located in Ipswich with a hybrid work model. This role offers an exciting opportunity to contribute to the development of next-generation voice and communications platforms within the telecommunications sector. As part of the team, you will be instrumental in designing, implementing, and supporting innovative voice solutions that leverage cloud technologies and AI-driven services. Your work will directly impact the delivery of large-scale telecom services, ensuring high-quality voice communications and seamless customer experiences.

Qualifications

The ideal candidate will possess a strong technical background in Java development, with proven experience in SIP and VoIP protocols. A solid understanding of cloud platforms such as AWS, Azure, or GCP is essential, along with familiarity with telecoms frameworks like JAIN SLEE and SIP Servlet. Candidates should demonstrate troubleshooting expertise within voice environments and possess excellent problem-solving skills. Prior experience working with voice platforms such as FreeSWITCH and Asterisk, as well as integrating AI-powered voice services, will be highly advantageous. Relevant certifications and hands-on experience with security protocols like TLS and SRTP are a plus.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Responsibilities

  • Develop and enhance SIP-based voice applications using Java, ensuring scalability and reliability.
  • Work with frameworks such as JAIN SLEE and SIP Servlet to build and maintain voice communication services.
  • Support and integrate voice platforms including FreeSWITCH and Asterisk, optimizing performance and functionality.
  • Deploy and manage solutions across cloud environments including AWS, Azure, and GCP, ensuring high availability and security.
  • Integrate speech recognition, text-to-speech, and AI-driven voice services to enhance user experience.
  • Troubleshoot and resolve issues related to voice quality, call routing, and network performance to maintain seamless communication channels.
  • Collaborate with cross-functional teams to deliver innovative voice solutions aligned with business goals.
  • Maintain documentation and provide technical support for deployed voice systems.

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Benefits

Our client offers a competitive package, including a comprehensive benefits scheme, flexible working arrangements, and opportunities for professional development. You will have access to cutting-edge technologies and be part of a forward-thinking team committed to innovation and excellence. The role provides valuable experience working on large-scale telecom projects, with potential for contract extension or permanent opportunities based on performance. Additionally, you will benefit from a collaborative work environment that encourages knowledge sharing and continuous learning.

Equal Opportunity

Our client is an equal opportunity employer committed to fostering a diverse and inclusive workplace. They value the unique perspectives and experiences of all employees and are dedicated to providing an environment where everyone can thrive. Applications from individuals of all backgrounds, genders, ethnicities, and abilities are encouraged. They believe that diversity drives innovation and success, and they actively promote a culture of respect and fairness in all their hiring practices.

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Skills

Java
SIP
VoIP
AWS
Azure
GCP
JAIN SLEE
SIP Servlet
FreeSWITCH
Asterisk
AI-powered Voice Services
TLS
SRTP
Cloud Computing
Troubleshooting
Voice Application Development

Location

United Kingdom

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