Are you a

Software Engineer

with a strong interest in

security, cryptography, and cloud-native technologies ?

In this role, you will help design and build a highly secure

Key Management Service (KMS)

for an international client. You’ll work on everything from secure key generation and lifecycle management to cryptographic operations and scalable APIs.

Contract:

permanent, remote from Spain, direct with the company

Salary range:

60-90k

What you bring Strong background in Software Engineering, Cryptography, and Cloud Security Hands-on experience with Golang

(must have) Familiar with AES-GCM, RSA-OAEP, ECDSA, key wrapping, and secure transport Hands-on experience with Kubernetes would be considered a plus





What you will do Design and develop a

Key Management Service (KMS)

Implement secure key generation, lifecycle management, and key rotation

Create

REST APIs

for Key Rings, external key import, and signing/verification

Ensure compliance with cryptographic standards

(AES, RSA, ECDSA, HMAC)

Develop

Kubernetes operators

to automate KMS and Secrets Manager lifecycle (no prior experience is required, we’re looking for a genuine interest in Kubernetes and a willingness to learn)

#J-18808-Ljbffr

📌 Security Software Engineer (Madrid)
🏢 K2 Partnering Solutions
📍 Madrid