Publiée 12 juin 2026
Network Applications Developer
Ekinops S.A.
Massy, Île-de-France 91300, France
CDI
For over 20 years, Ekinops has been driving innovation in network systems. We provide solutions focused on the needs of communication service providers and enterprises worldwide.
We provide open, trusted, and innovative network connectivity and enable our customers' success by delivering high value-added software-driven solutions. Today, over 120 international service providers, including numerous Tier 1 carriers around the world, trust our people and technologies.
Over 50% of our 550+ strong team works in our multi-national Agile R&D centers. Our company has a strong international background, with sales offices strategically located around the world.
Ekinops is also recognized for its ESG commitments with its rating in the EthiFinance ESG Ratings report and its Gold Medal awarded by EcoVadis.
Duties and Responsibilities:
As part of the R&D SDx department, reporting to the SDx R&D Manager, you will serve as Developer responsible for building and enhancing the software stack of our centralized Network Management System (NMS)called Director. The Director application enables to manage and monitor our SD-WAN, Secure Access Service Edge (SASE), Security Service Edge (SSE) and Firewall solutions. You will work closely with product owners and software architects to develop scalable and maintainable applications and edge management systems. Your responsibilities will include the following:
Profile and skills:
To carry out the role of a Network Applications Developer, a candidate should possess the following skills and qualifications:
Nice to Have
Recruitment process:
At Ekinops, we believe diversity makes us stronger! We hire talents based on skills, experience, and potential-nothing else. No matter your age, gender, background, or abilities, what matters to us is what you bring to the team. Join us and thrive in an inclusive, open-minded workplace where everyone has a voice!
3 interviews:
1st with the R&D Director SDX
2nd with VP R&D Access
3rd with the Talent Acquisition Manager
We provide open, trusted, and innovative network connectivity and enable our customers' success by delivering high value-added software-driven solutions. Today, over 120 international service providers, including numerous Tier 1 carriers around the world, trust our people and technologies.
Over 50% of our 550+ strong team works in our multi-national Agile R&D centers. Our company has a strong international background, with sales offices strategically located around the world.
Ekinops is also recognized for its ESG commitments with its rating in the EthiFinance ESG Ratings report and its Gold Medal awarded by EcoVadis.
Duties and Responsibilities:
As part of the R&D SDx department, reporting to the SDx R&D Manager, you will serve as Developer responsible for building and enhancing the software stack of our centralized Network Management System (NMS)called Director. The Director application enables to manage and monitor our SD-WAN, Secure Access Service Edge (SASE), Security Service Edge (SSE) and Firewall solutions. You will work closely with product owners and software architects to develop scalable and maintainable applications and edge management systems. Your responsibilities will include the following:
- Designing, developing, and optimizing C/C++ components for packet processing, telemetry and management of network functions (routing, ACL/Firewall, QoS, NAT, VPN, etc.) of routers and SD-WAN/SASE/NMS solutions.
- Conducting performance analysis (CPU/memory profiling, latency/throughput measurements, lock contention analysis)
- Working on scalability challenges: high-session-volume architectures, multi-threaded/multi-core optimization, resilience, observability, and system tuning.
- Contributing to software industrialization: CI/CD pipelines (GitLab CI).
- Developing unit, integration, performance, and endurance tests, and contributing to clear and robust technical documentation.
- Participating in Agile ceremonies (planning, stand-ups, reviews, retrospectives) within distributed international teams.
Profile and skills:
To carry out the role of a Network Applications Developer, a candidate should possess the following skills and qualifications:
- 5+ years of experience in C/C++ development on Linux for high-performance network applications.
- Excellent understanding of IP protocols (IPv4/IPv6, TCP/UDP) and network application development (sockets, asynchronous I/O, event-driven architectures).
- Practical experience with network configuration and management interfaces (NETCONF/YANG, CWMP, SNMP, CLI).
- Strong skills in profiling and optimization and deep understanding of memory management, concurrency, and performance constraints.
- Hands-on experience in Python development, including scripting, automation, or integration tooling.
- Experience with containers , Docker, Kubernetes, and CI/CD pipelines
- Version Control: Strong familiarity with Git workflows
Nice to Have
- Experience with SQL databases or TimeSeries database
- Knowledge of observability tools (Prometheus, Grafana, OpenTelemetry).
- Exposure to Agile/Scrum methodologies and tools like Jira.
Recruitment process:
At Ekinops, we believe diversity makes us stronger! We hire talents based on skills, experience, and potential-nothing else. No matter your age, gender, background, or abilities, what matters to us is what you bring to the team. Join us and thrive in an inclusive, open-minded workplace where everyone has a voice!
3 interviews:
1st with the R&D Director SDX
2nd with VP R&D Access
3rd with the Talent Acquisition Manager
