Senior Backend Engineer, Payments (TypeScript, AWS)

Spirii; København; In loco; DKK 900.000 - 1.500.000; Tempo pieno

Vantaggi offerti da questo lavoro

Flexible Work Environment

Competitive Package

32 paid vacation days

Career Growth

Coffee and snacks

Spirii gym

Two innovation days

Descrizione del lavoro

Spirii is seeking a Senior Backend Engineer for its Payments team in Copenhagen. You will design and scale backend services that convert charging data into invoices and payouts, while ensuring data integrity and secure processing. You will mentor peers, collaborate with Finance and partner teams, and help shape cloud-native architectures on AWS.

The role emphasizes ownership, cross-functional collaboration, and the use of AI tools to improve development speed in a financially sensitive codebase.

Competenze

• Bachelor's degree in Computer Science or equivalent experience.
• 7+ years of professional software development experience.
• Hands-on experience designing scalable backend systems.
• Strong experience with TypeScript/Node.js microservices on AWS.
• Leadership in design discussions or as tech lead.
• Test-driven development and test automation experience.
• Strong SQL and data modelling for auditable data.
• Experience with billing/payments or financial systems is a plus.

Mansioni

• Design, build and maintain scalable backend services and cloud-native pipelines.
• Ensure data quality and correct aggregation of records.
• Integrate internal services and ERP systems.
• Contribute to architecture of distributed AWS-based systems.
• Drive automated testing and observability for billing accuracy.
• Mentor engineers and raise the technical bar through code reviews.
• Work independently on cross-team problems with minimal supervision.
• Adopt AI coding assistants and agentic workflows to accelerate development.

Conoscenze

Node.js

NestJS

TypeScript

AWS

SQL

NoSQL

API design

Event-driven

Formazione

Bachelor's degree in CS/SE

Strumenti

Redis

ERP systems

Descrizione del lavoro

Spirii is seeking a Senior Backend Engineer for its Payments team in Copenhagen. You will design and scale backend services that convert charging data into invoices and payouts, while ensuring data integrity and secure processing. You will mentor peers, collaborate with Finance and partner teams, and help shape cloud-native architectures on AWS.

The role emphasizes ownership, cross-functional collaboration, and the use of AI tools to improve development speed in a financially sensitive codebase.