Software Engineer (m/f/d) – Go / Cloud-Native IMS

ng-voice; United States; Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Home office budget

Mobility benefit

Fitness benefit

Language class benefit

Wellness benefit

Hybrid remote culture

Job summary

ng-voice seeks a talented Software Engineer (m/f/d) to build the next generation IMS features in Go, focusing on high-performance, cloud-native infrastructure. You will work on signaling, media protocols, and distributed systems within a hybrid-remote startup environment.

Ideal candidates have strong Go skills, experience with SIP/Diameter, Linux networking, and scripting with Python or Bash. You’ll contribute to Kubernetes-based deployments and modern tooling while collaborating with a global

Qualifications

• Strong Go proficiency, esp. concurrency patterns and performance tuning.
• Solid understanding of SIP and Diameter signaling.
• Comfort with Linux environments and low-level networking (TCP/UDP/SCTP).
• Scripting in Python or Bash for automation and tooling.
• Strong analytical skills to debug distributed systems.
• Self-motivated, autonomous, able to thrive in a hybrid-remote startup.
• Proficiency in English.

Responsibilities

• Develop and scale IMS features using Go, following a TDD approach.
• Work across IMS nodes (P/S/I-CSCF, MMTel) to migrate legacy signaling to Go services.
• Implement SIP, Diameter, and RTP protocols in Go micro-services.
• Conduct testing, validation, and optimization for low latency and quality.
• Align with 3GPP specs to ensure interoperability of the IMS solution.
• Collaborate with a cloud-native stack (Kubernetes, Redis, MySQL, Prometheus) to build resilient functions.

Skills

Go proficiency

Telephony signaling

Linux & networking

Python or Bash

Problem solving

Autonomous

English proficiency

Tools

Kubernetes

Redis

MySQL

Prometheus

Job description

About Us

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

We’re hiring a talented Software Engineer (m/f/d) to join our team in developing next-gen features for our IMS (IP Multimedia Subsystem) solution. You will build high-performance Go applications, optimize distributed systems, and improve operational efficiency in a cloud-native environment.

Tasks

What You’ll Do

• Next-Gen IMS Development:Develop and scale features for our IMS solution usingGo (Golang), following a test-driven development (TDD) approach.
• Core Network Logic: Work across the full spectrum of IMS nodes (P/S/I-CSCF,MMTel, etc.), transitioning legacy signaling patterns into high-performance Go services.
• Protocol Implementation: Handle signaling and media protocols (SIP, Diameter, RTP) directly within Go-based micro-services.
• System Optimization: Perform deep-track testing, validation, and optimization to ensure low-latency performance and high-quality deliverables.
• Standards Alignment: Interpret3GPP specifications and implement them to ensure our IMS solution remains industry-compliant and interoperable.
• Cloud-Native Operations: Work with a modern stack including Kubernetes, Redis, MySQL, and Prometheus build resilient, self-healing network functions.

Requirements

Our Ideal New Colleague

• Strong Go Proficiency: Deep experience in Go (Golang) is required, specifically with con currency patterns (go routines/channels) and performance tuning.
• Telephony & Signaling: Solid understanding of telephony standards, specifically SIP and Diameter.
• Systems Expertise: Very comfortable working in Linux environments and understanding low-level networking (TCP/UDP/SCTP).
• Scripting: Knowledge of Python or Bash for automation and tooling.
• Problem Solver: Strong analytical skills with the ability to debug complex distributed systems.
• Mindset: Self-motivated, autonomous, and able to thrive in a fast-paced, hybrid-remote startup environment.
• Communication: Proficiency in English.

Benefits

A little more about our culture and why you should join

• Work-Life-Balance is a priority: Flexible working that suits you - we live and breathe a hybrid remote culture and dont 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 you 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 classbenefitand wellness benefit (for full-time employees)
• Home office budget (for full-time employees)

About Us

ng-voice is an equal opportunity employer. We believe 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.

Hope we caught your attention; we look forward to getting to know you!

Please be aware that we are currently not collaborating with agencies and any profile received will not be taken into consideration.