CareerPlan

Lead Java Developer IT-Security (f/m/d) at an established IT-Security Company

Berlin, BERLINRemoteFull-time2026-01-23 → 2026-11-10

Core

Lead a team in modernizing legacy monolithic encryption software into a containerized microservice architecture for enterprise security products.

Role type

Senior IC Lead Java Developer (Security)

Builds

Containerized microservices and modernized legacy Z1 encryption products

Domain

IT Security / Cryptography / Enterprise Software

Deliverable

production ML models | product features

Required skills

Java 21, Microservices architecture, Legacy system modernization, Team leadership, Mentoring, Security protocols (PKI, S/MIME, OpenPGP, X.509, PGP)

Preferred skills

Email protocols (SMTP, JavaMail), BouncyCastle, Smart Cards, Hardware Security Modules

Technologies

Java 21, Spring Boot, Spring MVC, Spring Data, Spring Integration, Docker, Kubernetes, Kafka, RabbitMQ, NATS, Gradle, Bash

Responsibilities

Define team direction and architecture, Integrate legacy monoliths with new microservices, Mentor team members, Coordinate cross-functional alignment, Plan product development strategy

Seniority

Senior, hands-on IC with leadership