Senior Software Engineer (Telco & Comms)
Core
Design, build, and secure scalable microservices for digital identity and authentication systems serving global financial institutions.
Role type
Senior Software Engineer (Backend)
Builds
Production-ready microservices, authentication/authorization flows, and secure data handling pipelines.
Domain
Fintech / Digital Identity / Cybersecurity
Deliverable
production ML models | product features
Required skills
Java 17+, Spring Boot, Spring Security, Microservices architecture, Kubernetes, Docker, Helm, AWS, MySQL, Threat modeling, CI/CD
Preferred skills
Reactive Java (Spring WebFlux, Project Reactor), OAuth 2.0, JWT, SAML, FIDO, WebAuthn, Kafka, Terraform, SLI/SLO management
Technologies
Java, Spring Boot, Spring Security, Kubernetes, Docker, Helm, AWS, MySQL, Kafka, Terraform, Reactor, WebFlux (via careerplan.io/jobs/c7b1fb9c-66ab-4647-bc94-d42519c01ce3-senior-software-engineer-telco-comms-at-callsign)
Responsibilities
Write production-ready code and low-level designs; Threat-model features and design auth/authorization; Instrument services and drive faults to root cause; Mentor engineers and review peer designs; Deploy and debug services on Kubernetes; Own changes from design through on-call.
