Urgent! Senior Software Engineer (Golang) Job Opening In Madrid – Now Hiring OpenVPN Inc.
We’re seeking a
Senior Software Engineer
to help build and evolve the
Gateway , the edge enforcement and routing component of our AI-driven Zero Trust Network Access (ZTNA) platform.
The Gateway is central to the architecture, responsible for real-time policy enforcement, DNS aliasing, and risk-aware access control across multi-tenant environments.
You’ll design and develop secure, high-performance, distributed systems that make the overlay network resilient, intelligent, and autonomous — whether deployed on-prem, in the cloud, or at the edge.
Responsibilities
Design and build
services powering Gateway nodes — including
DNS proxy ,
firewall rule orchestration ,
policy enforcement , and
device posture validation .
Collaborate with the
Controller (back-end) and AI teams
to enable
adaptive, AI-driven access policies .
Engineer and optimize
real-time communication
(gRPC/REST/WebSockets) between Gateways, Connectors, and the Controller.
Develop
observability and telemetry pipelines
for Gateway nodes — logs, metrics, traces.
Contribute to the
Gateway clustering model , ensuring scale-out routing, load balancing, and fault tolerance.
Collaborate closely with the
Architects
and
DevOps team
to align with CipherScale’s reference architecture and deployment blueprints.
Participate in design reviews, architecture discussions, and end-to-end testing (performance, resilience, and compliance).
Responsible for
Quality of the Code
– Write and maintain unit, integration, end-to-end, performance tests using AI, scripts, and code quality check tools.
Job requirements
5+ years
of software engineering experience, designing and deploying distributed systems at scale.
3+ years
of hands‑on experience with
Go (Golang) , including concurrency, memory management, networking, and performance tuning.
Deep understanding of
network‑level protocols and enforcement
(TCP/IP, UDP, DNS, TLS, iptables/nftables, conntrack).
Proven experience building
multi‑tenant, security‑sensitive systems
with strict SLA and HA requirements.
Familiarity with
authN/authZ protocols
(OAuth 2.0, OpenID Connect, JWT, SMAL, Certificates) and
risk‑based access control .
Experience building and managing systems using
Docker, Kubernetes, ArgoCD , and
CI/CD pipelines .
Strong understanding of
observability patterns
— metrics, distributed tracing, and log pipelines.
Proven ability to work cross‑functionally with
architecture, AI, and infrastructure teams
in a remote‑first and distributed environment.
Nice to Have
Background in
VPN technologies ,
access management , or
cybersecurity
Experience with
policy engines
(e.g.,
OPA ,
Cedar )
Familiarity with
Cloudflare
(e.g.,
Workers ,
DNS ,
WAF )
Exposure to
SaaS infrastructure
and
Kubernetes orchestration
Experience scaling
high‑traffic ,
production‑grade systems
Prior experience in a
startup environment
BSc/MSc
in Computer Science, Engineering, or related field
Benefits
Competitive pay rates
Fully remote work environments
Self‑managed time off
Seniority level Mid‑Senior level
Employment type Contract
Job function Computer and Network Security
Madrid, Community of Madrid, Spain 6 days ago
#J-18808-Ljbffr
✨ Smart • Intelligent • Private • Secure
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Unlock Your Senior Software Potential: Insight & Career Growth Guide
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Great news! OpenVPN Inc. is currently hiring and seeking a Senior Software Engineer (Golang) to join their team. Feel free to download the job details.
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