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# 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, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Application Release Automation, JIRA, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Databases, Continuous Integration, Software Debugging, DevOps, 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, Systems Integration, Strategies of Testing, Web Applications, Datadog, Multithreading, Delivery Pipeline, Grafana, Backend, Information Technology, Restful APIs, Microservices
- **Published:** October 22, 2026
- **Apply:** https://www.thejobnetwork.com/job/706b3458-7a21-4de5-9096-f9915d0a2fae/principal-software-engineer

## About the Role

* 8+ years of software engineering experience with 2+ years in a technical lead role.
 * Proficiency with C#, .NET, SQL Server, and Azure cloud solutions.
 * Strong understanding of RESTful API design, OAuth2, and microservices.
 * Familiarity with DevOps tools such as GitHub Actions.
 * Knowledge of queuing mechanisms, multithreading, multitasking, and distributed computing.
 * Experience with containers, release automation, and observability tools such as Datadog.
 * Secure coding practices and compliance workflows in regulated environments (e.g., PCI DSS, SOC 2).
 * Strong analytical, multitasking, and organizational skills.
 * Experience with Agile methods and tools such as JIRA.
 * Preferred: fintech experience, peer-to-peer payments, stability and release management, open-source or publications, and leadership in scalable platform engineering.

Education Requirements:

Bachelor's degree in Computer Science or related field, or equivalent work experience.

## Description

Our client seeks a Principal Software Engineer to lead backend services and APIs for a payment processing platform supporting prominent technology partners. The role will drive technical leadership across release engineering, DevOps pipelines, observability, reliability, and secure SDLC in an AI-enabled environment., * Analyze, design, program, debug, and modify software enhancements and new products across local, networked, cloud, or internet applications.

 * Develop backend services and RESTful APIs supporting platform operations, release engineering, DevOps pipelines, and integrations.
 * Collaborate with QA, Security, and Infrastructure to ensure reliable deployments and performance.
 * Lead initiatives to improve CI/CD workflows, observability, and platform reliability.
 * Implement monitoring and alerting to meet SLAs and enable rapid incident response.
 * Mentor engineers and promote best practices across the domain.
 * Translate platform requirements into scalable technical solutions with stakeholders.
 * Operate in an AI-driven SDLC and leverage AI code assistants.
 * Implement intelligent testing frameworks that auto-generate tests, predict defects, and enable self-healing.
 * Lead test automation frameworks using standard tools for REST-based APIs on Azure.
 * Integrate test suites into CI/CD pipelines.
 * Lead test strategy, planning, and execution for functional, integration, system, end-to-end, accessibility, database validation, and automation.