Senior Software Architect, CSD Gateway & Digital Assets

Euronext Athens Holding; Paris; On-site; EUR 120,000 - 180,000; Full time

Benefits offered by this job

T2 and Pontes experience

Cross-CSD links

Corporate-actions platforms

Public cloud (AWS)

Job summary

Euronext is seeking a Principal Software Engineer to design and implement the CSD gateway and related services for digital-asset connectivity. You will lead architecture, review code, and contribute production-grade back-end software in Go and/or Java.

You will work across teams on T2S integration, corporate actions, and reporting to custodians, while ensuring resilience, security and observability across the platform.

Qualifications

• Post-trade and system knowledge: securities settlement, custody, corporate actions and CSD operations.
• T2S experience: settlement instructions, lifecycle, cut-offs and status reporting.
• ISO 20022 settlement messaging and SWIFT connectivity.

Responsibilities

• Own the team's technical architecture: designs, interface contracts, standards and roadmap.
• Contribute production code to the codebase, starting with the CSD gateway.
• Review code: PRs, coding standards, test coverage and security of the codebase.
• Design the CSD gateway and its T2S integration: lock and release, instructions, queuing, cut-offs, confirmations and status.
• Design for failure: retries, partial failures, reconciliations and auditable exception handling.
• Reuse and extend existing Euronext Securities systems.
• Shape architecture for corporate actions, entitlements and reporting to custodians.
• Set and test non-functional requirements: resilience, performance, security, recoverability and observability.
• Build prototypes and lead build/buy/integration decisions.
• Collaborate with product manager; own the technical solution.
• Help the team build, test and run environments, CI/CD, monitoring and runbooks.

Skills

Architecture

Go/Java

REST APIs

Kafka

OpenAPI

CI/CD

Terraform

OpenTelemetry

AI-assisted development

Technical leadership

English fluency

Education

Degree in computer science or engineering

Tools

Docker

Kubernetes/OpenShift

ActiveMQ

Git

SQL

NoSQL

Job description

Euronext is seeking a Principal Software Engineer to design and implement the CSD gateway and related services for digital-asset connectivity. You will lead architecture, review code, and contribute production-grade back-end software in Go and/or Java.

You will work across teams on T2S integration, corporate actions, and reporting to custodians, while ensuring resilience, security and observability across the platform.