Senior Software Architect — TrustX SaaS (Cloud, Security)

Daon, Inc.; Dublin; Hybrid; EUR 120,000 - 180,000; Full time

Job summary

Daon, Inc. is seeking a Senior Software Architect to shape the architecture of its TrustX SaaS platform.

You will collaborate with backend, frontend, mobile, DevOps, and QA teams to build secure, scalable identity services and APIs, guiding design decisions and performance optimisations across the stack. You will influence technology choices, review implementations, and ensure enterprise-grade quality while working with cross-functional teams and leadership to deliver reliable, cloud-based

Qualifications

• 10+ years designing enterprise software, with 3+ years in architect roles.
• Deep knowledge of distributed systems, microservices and cloud-native design.
• Strong Java ecosystem experience with Spring Boot and related tech.
• Experience with AWS services and scalable, secure software architectures.
• Proven ability to lead technical conversations with both engineers and leaders.

Responsibilities

• Define end-to-end architecture for the TrustX SaaS platform across frontend, backend, data and cloud infra.
• Translate business needs into scalable, secure system designs and APIs.
• Guide implementation approaches, validate designs, and ensure architectural alignment.
• Lead design and code reviews and maintain architectural artifacts.
• Drive performance tuning and cross-team observability initiatives.
• Participate in incident management and post-incident reviews.

Skills

Distributed systems

Microservices

API design

Cloud-native architecture

Java ecosystem (Spring Boot)

AWS cloud services

Security design

Performance tuning

Observability

Technical leadership

Education

Bachelor's degree in Computer Science or Engineering

Tools

Spring Boot

Hibernate

REST APIs

AWS (EC2, ECS/EKS, S3, RDS, Lambda)

Prometheus/Grafana

OpenTelemetry

CI/CD pipelines

Job description

Daon, Inc. is seeking a Senior Software Architect to shape the architecture of its TrustX SaaS platform.

You will collaborate with backend, frontend, mobile, DevOps, and QA teams to build secure, scalable identity services and APIs, guiding design decisions and performance optimisations across the stack. You will influence technology choices, review implementations, and ensure enterprise-grade quality while working with cross-functional teams and leadership to deliver reliable, cloud-based