Principal Software Engineer- Integrations

Job Description

Job Description Insight Global is seeking a Principal Engineer, Platform Integrations for a top enterprise financial software client. This individual will join a team responsible for the integration backbone of a mission-critical equity management platform and will help deliver a major Fortune 100 client onboarding. The engineer will work hands-on across C#/.NET, Oracle PL/SQL, file-based data exchange, background processing, and Azure-hosted services while owning integration features and client migration work from requirements through production release. This is an excellent opportunity for a senior technical contributor who enjoys solving complex data-movement challenges, improving highly reliable financial systems, partnering with client stakeholders, and incorporating AI-first engineering practices into daily delivery.

Day-to-Day

• Build and enhance the integration backbone of the Certent Equity Management platform for a strategic Fortune 100 client engagement
• Spend most of the day writing and reviewing production-quality C#/.NET 8 and Oracle PL/SQL code
• Develop file-based import/export capabilities, broker interfaces, partner integrations, and background-processing services
• Own assigned features and migration work from requirements through design, implementation, testing, and release
• Author Engineering Design Documents when appropriate
• Validate mappings, transformations, reconciliation logic, and error handling for financial-data pipelines
• Troubleshoot complex production issues spanning C#/.NET and Oracle PL/SQL
• Design and optimize high-volume Oracle queries, stored procedures, indexes, and execution plans
• Improve connector abstractions, resilience patterns, observability, and security
• Build or enhance structured logging, distributed tracing, health checks, and operational alerts
• Create unit, integration, and contract tests for integration and broker interfaces
• Support client migration cutovers, parallel-run reconciliation, data validation, go-live activities, and issue resolution
• Collaborate with engineering management, Product Management, QA, Solution Architecture, peer integration teams, and Principal Engineers
• Identify delivery risks, blockers, and scope concerns early
• Use Claude Code and other agentic tooling as part of the daily development workflow, targeting at least 50% AI-authored pull requests and 95% AI-assisted code-review adoption Operate as a 100% individual contributor with no direct reports

Skills and Requirements

Must-Haves

• 8+ years of hands-on software engineering experience in enterprise SaaS environments, including Principal or Senior Principal Engineer experience

• Deep C# and .NET expertise across legacy .NET Framework or ASP.NET and modern .NET 6+/8 or ASP.NET Core

• Advanced Oracle Database and PL/SQL skills, including complex SQL, stored procedures, packages, triggers, execution-plan analysis, indexing, and performance tuning

• Production experience with file-based integrations, including CSV, fixed-width files, XML, Excel parsing, PGP encryption, SFTP, and archive management

• Experience executing client data migrations or large-scale client onboarding initiatives involving financial or similarly sensitive production data

• Ability to validate data mappings, transformation logic, error handling, and reconciliation across import and export pipelines

• Experience with multi-tenant, tenant-scoped data isolation and the associated security considerations

• Hands-on Azure experience supporting and troubleshooting integration services

• Experience working in long-lived, mission-critical codebases while avoiding regressions

• Knowledge of connector or plugin architectures, including factory and template method patterns

• Experience with queue-based processing, retry logic, concurrency, state transitions, failure handling, and dead-letter processing

• Experience with structured logging, distributed tracing, operational alerting, health checks, and pipeline monitoring

• Hands-on use of agentic development tools, with an AI-first approach to engineering

• Ability to support multiple independent deployment environments with ecosystem-specific configurations

• Strong client-facing communication skills Bachelor’s degree in Computer Science, Engineering, or equivalent professional experience Plusses

• Boomi or comparable enterprise iPaaS experience

• Hangfire or another production background-job scheduling framework

• Docker or Podman experience

• REST API design and maintenance experience using clean, layered architecture

• Financial services, equity compensation, broker-dealer integration, or other regulated-industry experience

• Familiarity with ESPP, RSU/RSA, stock option exercise, tax withholding, or broker data-interface workflows

• Azure DevOps CI/CD experience

• NuGet package management and enterprise build/deployment experience Integration security experience involving secrets management, credential vaulting, encryption in transit, and API authentication

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to [email protected].