Principal Software Engineer

Green Dot; United States; On-site; USD 160,000 - 230,000; Full time

Job summary

Green Dot Corporation is seeking a Principal Engineer to rearchitect its Banking as a Service platform using cloud-native techniques. You will shape a scalable, secure payments platform and partner integrations, driving CI/CD, testing, and cloud migrations.

You will own components, mentor teams, review code, and advance best practices while aligning with product roadmaps and industry trends in fintech.

Qualifications

• Bachelor's degree or foreign equivalent in Computer Science or related field with 6 years of Principal Engineer or related experience.
• Strong portfolio with secure, standards-compliant code across Microsoft stack and open-source tech.
• Experience with C#, .NET, ASP.NET, SQL Server.
• Cloud-native design and hosting in Azure or AWS; APIM, Azure SQL, Cosmos DB, Key Vault.
• RESTful APIs design, OAuth2, OpenAPI; SOAP/XML/JSON objects.
• Microservices, event-driven patterns with Service Bus, Event Hubs.
• Git, GitHub, CI/CD, TeamCity; blue-green deployments.
• Observability with Datadog, Grafana; agile practices; security in financial services (PCI DSS, SOC 2).

Responsibilities

• Lead API and microservices design for BaaS onboarding and partner integration.
• Collaborate with product managers and architects to define technical requirements and deliver robust solutions.
• Drive engineering excellence through code reviews, CI/CD, testing, and observability.

Skills

C#

ASP.NET

SQL Server

Cloud: Azure

Cloud: AWS

REST APIs

OAuth2

OpenAPI

Microservices

CI/CD

Git

GitHub

Datadog

Grafana

Agile/ScrumXP

PCI DSS/SOC 2

Education

Bachelor's degree in Computer Science or related field

Tools

TeamCity

Azure services (APIM, Azure SQL, Cosmos DB, Key Vault)

Container techs

Job description

We’re looking for talented professionals to join us in bringing smart money management and payment solutions to everyone’s fingertips.

JOB DESCRIPTION Location Requirement

This position is open only to candidates who currently reside in one of the following approved locations: West Los Angeles, CA

Job Summary

Principal Engineer: Rearchitect Green Dot Corporation’s Banking as a Service (BaaS) platform for the future using cloud native techniques. Build the next generation banking and payments platform. Contribute towards moving the team forward in continuous integration, continuous delivery, cloud migration, and test-driven development practices. Design highly scalable distributed solutions to handle large amounts of data. Work on complex integration projects by working out API contracts, identifying gaps, and working out optimal solutions. Document and demonstrate solutions by developing flowcharts, sequence diagrams and business process flow diagrams. Organize and run working sessions by setting up agendas, driving discussions towards resolutions, and delegating actions to participants. Own a component or capability during a project delivery stage and be on point for fulfilling the responsibility. Ensure software is designed and built with quality, maintainability, scalability, availability, extensibility, security, portability, and testability. Partner with product teams to shape the future state of products. Actively identify technical debt and work with internal stakeholders to address debt on an ongoing basis. Understand evolving industry trends and identify new technologies and patterns which should be adopted, and old technologies which should be deprecated. Participate in code reviews, coach team members, and learn from receiving feedback.

Key Responsibilities

• Lead the design and development of APIs and microservices that support BaaS onboarding and partner integration.
• Collaborate with product managers, architects, and other engineering teams to define technical requirements and deliver robust solutions.
• Drive engineering excellence through code reviews, mentoring, and best practices in CI/CD, testing, and observability.
• Ensure compliance with SLA standards and contribute to the development of monitoring and alerting systems.
• Lead incident response and root cause analysis to improve system reliability.
• Drive architectural decisions and long-term technical strategy for BaaS platform, including generating documentation around architectural and design options analysis and decisions.
• Champion emerging technologies evaluation and adoption.
• Refactor and extend the existing codebase to fix defects and add features/functionality Create systems that are durable and flexible by developing for change – favor configurability over customization.

Required Qualifications

• Education and experience Bachelor's degree or foreign equivalent in Computer Science, Accounting, Accounting Information Systems, or a related field, plus six (6) years of experience as a Principal Engineer, Software Engineer, or related occupation.
• A strong portfolio showing secure, standards-compliant code across multiple platforms, including the Microsoft stack and open-source technologies.
• Experience must include: Languages and frameworks: C#, .NET, ASP.NET, and SQL Server.
• Cloud: Designing, developing, and hosting cloud-native applications in Azure or AWS. This includes Azure native services such as APIM, Azure SQL, Cosmos DB, and Key Vault, plus container technologies and caching frameworks.
• APIs and web services: RESTful API design, OAuth2, and OpenAPI specifications. Also, SOAP and XML/JSON business object representations.
• Architecture: Designing and building microservices frameworks, event-driven patterns (Service Bus, Event Hubs), and software design patterns and anti-patterns. Writing code for scalable, reliable systems.
• DevOps and delivery: Git and GitHub, CI/CD processes, build tools (TeamCity), pipelines, and blue-green deployments.
• Observability: Implementing and using observability dashboards and platforms (Datadog, Grafana).
• Methodology: Agile development, including Scrum and Extreme Programming.
• Security and compliance: Security best practices in financial services and compliance standards (PCI DSS, SOC 2).
• Work environment Ability to thrive in a fast-paced environment with iterative project turnarounds on mission- and revenue-critical, customer-facing applications.

Preferred Qualifications

• Prior experience in fintech or embedded finance platforms.
• Familiarity with partner onboarding workflows and SLA management.
• Contributions to open-source projects or technical publications.
• **Ability to work in the U.S. without sponsorship**
• **Ability to meet the location requirement outlined above**

PAY RANGE

The targeted base salary for this position is $160,000 to $230,000 per year. The final compensation will be determined by a number of factors such as qualifications, expertise, and the candidate’s geographical location.

POSITION TYPE

Regular PAY RANGE The targeted base salary for this position is $159,400 to $229,300 per year. The final compensation will be determined by a number of factors such as qualifications, expertise, and the candidate’s geographical location.

We’re Here to Support You—Accommodations Upon Request

Green Dot is committed to providing an inclusive and accessible hiring experience for all candidates. If you require a reasonable accommodation during any part of the application or interview process, we encourage you to let us know. We will work with you to meet your needs in a way that respects your privacy and ensures equal opportunity. Our goal is to support every applicant in showcasing their talents and potential.

Work Authorization Requirement

At Green Dot Corporation, we value diversity and strive for fair and inclusive hiring practices. However, we are currently unable to offer visa sponsorship. All applicants must be legally authorized to work in the United States at the time of application and throughout the duration of employment, without the need for current or future sponsorship.

Important Notice on Application Accuracy

We value integrity in our hiring process. Please ensure that all information provided in your resume and application is accurate and authentic. Submissions found to be fraudulent or misleading will result in disqualification from consideration, and any offers extended may be rescinded.

Green Dot Corporation (NYSE: GDOT) is a financial technology and registered bank holding company committed to transforming the way people and businesses manage and move money, and making financial wellbeing and empowerment more accessible for all.

Our proprietary technology enables faster, more efficient electronic payments and money management, powering intuitive and seamless ways for people to spend, send, control and save their money. Through our retail and direct bank, we offer a broad set of financial products to consumers and businesses including debit, prepaid, checking, credit and payroll cards, as well as robust money processing services, tax refunds, cash deposits and disbursements. Our Banking as a Service ("BaaS") platform enables a growing list of America's most prominent consumer and technology companies to design and deploy their own customized banking and money movement solutions for customers and partners in the US and internationally. Founded in 1999 and headquartered in Provo, UT, our company has served more than 33 million customers directly, and now operates primarily as a "branchless bank" with more than 90,000 retail distribution locations nationwide. Green Dot Bank is a subsidiary of Green Dot Corporation and member of the FDIC.

What We Do:

We build simple, seamless and secure financial tools for our customers and powerful solutions that fuel engagement, trust and value for partners.

Our Mission:

We give you the power to bank seamlessly, affordably and with confidence.

Our Purpose:

Access should not be a privilege, and we envision a world where modern banking and money management are at everyone’s fingertips—where banking enhances the flow of life.

Our Values:

Stewardship, Trust, Action, High Performance, and Teamwork.