Hybrid Backend Engineer - Digital Assets & Blockchain (.NET)

SEB; Parainen; Ibrido; EUR 65.000 - 95.000; Tempo pieno

Vantaggi offerti da questo lavoro

Hybrid workplace setup

Professional development in emerging技?

Competitive compensation

Inclusive culture

Multinational environment

Access to digital assets platform

Descrizione del lavoro

SEB is seeking a Solution Developer to build an orchestration layer connecting core banking with custody and wallet providers and a token issuer, starting with Ethereum. You’ll design, develop and maintain secure backend services and API integrations using .NET, Python and Terraform while ensuring reliable transaction processing and regulatory compliance.

You will collaborate across product, security and compliance teams, translating business needs into robust technical solutions and

Competenze

• Strong hands-on experience developing backend services using .NET.
• Experience building API integrations and containerised services, with practical knowledge of Python and Terraform.
• Experience with REST APIs, webhooks and secure authentication mechanisms such as mutual TLS and OAuth 2.0.
• Experience with payments, banking integrations or other business-critical transaction platforms where security, traceability and resilience are essential.
• The ability to translate business and technical requirements into robust solutions and collaborate effectively across technology, product, security and compliance teams.

Mansioni

• Design and develop an orchestration layer between core banking, custody and wallet providers, and token issuers
• Build and maintain containerised back-end services using .NET and Python, with infrastructure defined through Terraform
• Design secure API integrations using REST, webhooks, mutual TLS and OAuth 2.0
• Integrate banking and payment flows with custody platforms, digital wallets and blockchain-based services
• Design transaction flows for Ethereum and ERC-20 tokens, including gas management, transaction finality and operational exception handling
• Establish secure approaches to cryptographic key management using technologies and standards such as HSM, MPC, PKCS#11 and hierarchical key derivation
• Support payment integration based on SEPA Instant and ISO 20022, including pacs.008 messages
• Embed AML and KYC screening, Travel Rule controls and on-chain analytics into relevant transaction flows
• Build secure, observable and resilient services on Kubernetes and Google Cloud, including multi-zone disaster recovery
• Apply engineering practices in line with MiCAR, DORA and SEB’s security and operational requirements

Conoscenze

.NET

Python

Terraform

REST APIs

Webhooks

Mutual TLS

OAuth 2.0

Kubernetes

Google Cloud

Strumenti

Containerisation

Descrizione del lavoro

SEB is seeking a Solution Developer to build an orchestration layer connecting core banking with custody and wallet providers and a token issuer, starting with Ethereum. You’ll design, develop and maintain secure backend services and API integrations using .NET, Python and Terraform while ensuring reliable transaction processing and regulatory compliance.

You will collaborate across product, security and compliance teams, translating business needs into robust technical solutions and