> Markdown version of [/jobs/ext/2680214-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/2680214-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** Eliassen Group - **Location:** Los Angeles, CA, United States - **Experience:** Experienced - **Salary:** $145,600.0 - $158,080.0 - **Contract:** Temporary to permanent - **Skills:** .NET Framework, Agile Methodology, Artificial Intelligence, JIRA, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Continuous Integration, Distributed Systems, Github, Microsoft SQL Server, OAuth, Open Source Technology, Peer-To-Peer (P2P), PCI Data Security Standards, Systems Development Life Cycle, Release Management, Secure Coding, Software Engineering, Software Testing Automation Framework, Datadog, Multithreading, System Availability, Delivery Pipeline, Backend, Event Driven Architecture, Kubernetes, Information Technology, Apache Kafka, Restful APIs, Microservices - **Published:** September 2, 2026 - **Apply:** https://www.beyondlosangeles.com/job.asp?id=3373897163&tx=KL2727FFP&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 8+ years of software engineering experience with 2+ years as a hands-on technical lead. * Expertise in C#, .NET, SQL Server, and Azure services such as AKS, Service Bus, App Services, and Azure DevOps. * Strong knowledge of RESTful API design, OAuth2, and microservices. * Hands-on with queuing, multithreading, and distributed computing using Kafka, Service Bus, or MQ. * Proven ownership of test automation frameworks beyond unit testing, integrated with CI/CD. * Observability experience with Datadog or similar tools. * Experience in payments or financial services with high transaction volume. * Familiarity with GitHub Actions and container orchestration. * Secure coding and compliance in regulated environments such as PCI DSS or SOC 2. * Experience with Agile methodologies and tools such as JIRA. * Preferred: fintech environment experience, peer-to-peer payments exposure, stability and release management, open-source or publications, and leadership of scalable platform practices. Education Requirements: * Bachelor's degree in computer science or related field, or equivalent work experience. ## Description * Lead development of backend services and RESTful APIs for payment processing at scale. * Drive release engineering, Azure-based DevOps pipelines, and secure SDLC practices. * Design and optimize distributed, event-driven architectures using queues and messaging. * Implement observability with Datadog or equivalent, including alerting and incident response. * Own test automation frameworks and integrate suites into CI/CD. * Advance CI/CD workflows, platform reliability, and SLA adherence. * Collaborate with QA, Security, and Infrastructure for seamless deployments. * Mentor engineers and promote engineering best practices. * Translate stakeholder requirements into scalable technical solutions. * Operate in an AI-driven SDLC and implement intelligent testing capabilities. ## Related Videos - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Throwing off the burdens of scale in engineering](https://www.wearedevelopers.com/videos/608-throwing-off-the-burdens-of-scale-in-engineering) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)