Senior .NET Backend Engineer - Fintech (Remote)

Jobgether; Australia; Remote; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Fully remote

27 days vacation

Sick leave

Referral bonuses

Learning & development support

Wellbeing budget €2,800 per year

Home office setup budget €1,000

Family support bonus

Annual child support

Long-term recognition bonus

Salary shared with candidates

Job summary

Jobgether is seeking a Senior .NET Developer (Fintech) based in Australia to own backend services for payment processing, reconciliation, payouts and settlements. You will build scalable microservices, integrate with databases, and apply AI-assisted tooling to accelerate delivery while maintaining security and reliability.

You will work in an international, fully remote team, contribute to architecture decisions, write clean code, run automated tests, and mentor teammates as needed to ensure

Qualifications

• 5+ years of commercial software development experience with C# and ASP.NET Core.
• Proven experience designing and developing microservices architectures.
• Hands-on experience with Microsoft Azure, Docker, and Azure Kubernetes Service (AKS).
• Practical experience with Microsoft SQL Server, MongoDB, and Cosmos DB.
• Demonstrated experience using AI-powered development tools or agents to deliver tasks from initial definition through to working implementation.
• Ability to understand, validate, explain, and take responsibility for every line of code delivered, including AI-generated code.
• Strong commitment to clean, maintainable code and automated testing.
• A strong sense of ownership, accountability, and reliability when managing technical responsibilities.
• Clear and open communication skills, particularly when addressing challenges, defects, or unexpected outcomes.

Responsibilities

• Develop and maintain backend services supporting payment processing and back-office operations, including reconciliation, payouts, fee calculations, settlements, and B2B client dashboards.
• Design and implement resilient integrations and asynchronous workflows using patterns such as idempotency, outbox/inbox, sagas, retries, and deduplication.
• Build and optimize microservices to meet performance and reliability objectives, including p95/p99 latency targets and SLA/SLO requirements.
• Implement monitoring, alerting, and operational practices to maintain service availability and quickly identify potential issues.
• Use AI-powered development tools and agents throughout the software delivery process, from task definition to implementation.
• Thoroughly review and validate AI-generated code, ensuring correctness, maintainability, security, and appropriate test coverage.
• Write clean, well-structured code and develop automated tests to support software quality and long-term maintainability.
• Participate in code reviews, maintain up-to-date technical specifications, and share knowledge and best practices with the engineering team.
• Take ownership of assigned deliverables, communicate openly about challenges, and proactively address defects or implementation issues.

Skills

C#

ASP.NET Core

Microservices

Azure

Docker

AKS

SQL Server

MongoDB

Cosmos DB

AI tooling

Code quality

Testing automation

Tools

Azure

Docker

AKS

SQL Server

MongoDB

Cosmos DB

Git

Job description

Jobgether is seeking a Senior .NET Developer (Fintech) based in Australia to own backend services for payment processing, reconciliation, payouts and settlements. You will build scalable microservices, integrate with databases, and apply AI-assisted tooling to accelerate delivery while maintaining security and reliability.

You will work in an international, fully remote team, contribute to architecture decisions, write clean code, run automated tests, and mentor teammates as needed to ensure