Software System Engineer – France

Founded in 2004 and headquartered in Paris, EfficientIP helps organizations simplify, secure and automate critical network infrastructure services through its integrated DDI and DNS security platform. 

As companies continue to modernize increasingly complex hybrid, multi-cloud and AI-enabled environments, EfficientIP enables customers to improve operational efficiency, strengthen security, increase infrastructure visibility and ensure operational resilience.

Serving more than 1,500 customers worldwide across a broad range of industries including financial services, telecommunications, energy, retail, education and the public sector, EfficientIP has established itself as a leading provider of network automation and security solutions, delivering the scale, reliability and innovation required to support today’s digital-first operations. EfficientIP employs approximately 250 people across Europe, North America, the Middle East and Asia-Pacific.

Description

The R&D team, product managers, developers, technical writers and QA team, is based in HQ France. A team composed of technology enthusiasts who enjoy working in agility in a constantly evolving world.

At EfficientIP, Developers take part in all the phases of development of new features : from the design phase to the final release of the new software version. Therefore, in addition to the R&D team, you may also be required to discuss with the Marketing, Delivery, Training and Customer Solution Engineer teams in order to be as close as possible to the user experience and customer needs.s.

Key Responsabilities:

• As a System Software Developer, you will bring your experience and knowledge to the creation of innovative, robust and responsive features.
• You will support the software business (DNS/DHCP services) as well as the environment on which it is installed (firewall, logs), both for the maintenance of the existing and for innovation.
• In full collaboration with the other developers, your role will be to challenge and improve the existing architecture and code and propose refactoring in order to improve it.

What We’re Looking For

We are looking for a passionate System Software Developer with a strong technical background. 

Your curiosity and team spirit allow you to share your knowledge and acquire new ones with other team members.

You already have significant experience in software development and you have a solid knowledge of performance optimization and application robustness. 

Experience or skills in the following technical area is required:

Experience & Background

• 10 years of experience in System Software Development, ideally within a software company. 
• Master’s degree in Engineering (or equivalent).
• Experience with network infrastructure products, network services management, or DDI (DNS, DHCP, IPAM) solutions is a strong advantage. Experience in enterprise software is essential.
• Strong understanding of networking infrastructure, cloud technologies,  and automation
• Knowledge of DNS and DHCP is a plus.

Soft Skills

• Strong problem-solving and analytical thinking skills
• Ability to work independently with a high level of autonomy and ownership
• Proactive and solution-oriented mindset
• Strong attention to detail and commitment to code quality
• Adaptability and willingness to learn new technologies quickly
• Ability to work effectively with distributed teams (Devs, Product, QA)

Technical Skills

• Software programming language such as Java, C++, Python, Rust, Go willing to code in PHP (8.x) object oriented without framework
• C
• Shell scripting
• PostgreSQL
• Linux/BSD
• DNS/DHCP

Education

Master’s degree in Engineering with a specialization in Telecommunications, Networking, or Information Systems

Languages

• English: Required
• French: Required

Technical skills:

• PHP (8) object-oriented (or software programming language such as Java, C++, Python) without a framework
• PostgreSQL
• Service-Oriented Architecture (SOA), using microservices
• REST API

Why Join EfficientIP?

Joining EfficientIP as a Software System Developer means contributing to the design and development of a category-defining DDI (DNS, DHCP, and IPAM) platform trusted by enterprises worldwide.

You will work closely with R&D, Product, and cross-functional teams to build, enhance, and maintain secure, scalable, and high-performance systems. From design to implementation and delivery, you will play a key role in turning complex technical requirements into robust software solutions.

You will thrive in a collaborative, fast-paced engineering environment where code quality, system reliability, and continuous improvement matter. Your work will directly support challenges in cybersecurity, cloud transformation, network infrastructure, and automation.

To apply, please send your cv and cover letter to: careers@efficientip.com