Senior software engineer (m/f/d)

ng-voice; Hamburg; Hybrid; EUR 70.000 - 110.000; Vollzeit

Zusammenfassung

ng‑voice is hiring a Senior software engineer (m/f/d) to join our team developing the next‑gen features and applications for our IMS solution. You’ll build complex applications, optimise solutions, and improve operational efficiency.

You’ll work with Kamailio, SIP, Diameter, Redis, MySQL, Kubernetes, C, Python, and Bash on UNIX/Linux; 3GPP specs and the IMS node spectrum. English proficiency is required in a fast‑paced, hybrid work culture.

Qualifikationen

• Strong programming skills in Kamailio; Go or Python is a plus.
• Experience with Kamailio is highly desired.
• Knowledge of telephony and signalling standards (SIP and Diameter).
• Experienced and comfortable with UNIX/Linux operating systems.
• Strong problem‑solving and analytical skills.
• Self‑motivated and able to work autonomously in a fast‑paced environment.
• Proficiency in English.

Aufgaben

• Develop the next generation of features and applications for our IMS solution using a test‑driven development approach.
• Collaborate with a passionate team to develop the next generation of features and applications.
• Perform testing, validation, and optimisation of solutions to ensure high‑quality deliverables.
• Identify opportunities to improve operational efficiency and propose innovative solutions.
• Work with technologies such as Kamailio, Redis, MySQL, SIP, RTP, Diameter, C, Python, and Bash.
• Opportunity to work on the full spectrum of IMS nodes: P‑CSCF, S‑CSCF, I‑CSCF, RTP‑Engine, MMTel, HSS, PCRF, DRA, BGCF, TOPOS, TADS, E‑CSCF.
• Understand 3GPP specs and align the IMS solution to the standards.

Kenntnisse

Kamailio

Go

Python

SIP

Diameter

English

UNIX/Linux

Tools

Redis

MySQL

C

Bash

Kubernetes

Jobbeschreibung

About Us

Committed to building the next generation of 100% software‑based mobile networks, combining DevOps with telecommunications expertise, ng‑voice is creating innovative mobile infrastructure solutions and making them accessible for operators and enterprises that want to deploy future‑proof networks.

We’re hiring a talented Senior software engineer (m/f/d) to join our team in developing the next‑gen features and applications for our IMS solution. As a Senior software engineer (m/f/d), you’ll build complex applications, optimise solutions, and improve operational efficiency. The ideal candidate has expertise in telephony, Kamailio, SIP, Diameter, and cloud‑native technologies like Kubernetes.

What You’ll Do

• Develop the next generation of features and applications for our IMS solution using a test‑driven development approach
• Collaborate with a passionate team to develop the next generation of features and applications
• Perform testing, validation, and optimisation of solutions to ensure high‑quality deliverables
• Identify opportunities to improve operational efficiency and propose innovative solutions
• Work with technologies such as Kamailio, Redis, MySQL, SIP, RTP, Diameter, C, Python, and Bash
• Opportunity to work on the full spectrum of IMS nodes: P‑CSCF, S‑CSCF, I‑CSCF, RTP‑Engine, MMTel, HSS, PCRF, DRA, BGCF, TOPOS, TADS, E‑CSCF
• Understand 3GPP specs and align the IMS solution to the standards

Requirements

• Strong programming skills in Kamailio, and knowledge of Go or Python is a plus.
• Experience with Kamailio is highly desired but not a must.
• Knowledge of telephony and signalling standards, such as SIP and Diameter.
• Experienced and very comfortable working on UNIX/Linux operating systems.
• Strong problem‑solving and analytical skills.
• Self‑motivated and able to work autonomously.
• Ability to adapt to a fast‑paced and dynamic work environment.
• Proficiency in English.

Benefits

• Work‑Life‑Balance is a priority: flexible working that suits you – we live and breathe a hybrid remote culture and don’t mind where and when you work.
• We are committed to building a diverse team that represents a variety of backgrounds, perspectives, and skills in a traditionally not very diverse industry.
• We offer the culture of a fast‑growing start‑up with the maturity of an enterprise company.
• We are more interested in your experience and knowledge than formal degrees.
• Entrepreneurial culture and flat hierarchies.
• Mobility benefit, fitness benefit, language class benefit and wellness benefit (for full‑time employees).
• Home office budget (for full‑time employees).

Equal Opportunity Statement

ng‑voice is an equal opportunity employer. We believe that demographic characteristics and diverse experiences that have nurtured unique viewpoints benefit our growth and performance and value each person and their different background as a whole.

Disclaimer

Even if you do not meet 100% of the requirements, however, you think this role will be a good match for you, please send in your application. We would love to be in touch! Please be aware that we are currently not collaborating with agencies and any profile received will not be taken into consideration.