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CSI Companies

Senior Software Engineer

los angeles, CA

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Job description

CSI Companies is seeking an experienced Senior Software Engineer to support platform initiatives, partner onboarding efforts, and platform enhancement projects. This role focuses on designing, developing, and supporting scalable, secure, and high performing applications that enable embedded financial services across a growing partner ecosystem.

This opportunity is ideal for a software engineer who enjoys building cloud native solutions, designing APIs and microservices, and working on mission critical customer facing applications within a fast paced financial services environment.

You will partner with product managers, architects, and engineering teams to deliver robust and scalable technology solutions that support business growth and platform reliability.

Hours

Standard business hours

Location

Starts remote and will transition to a hybrid schedule in West Los Angeles, California. Candidates must currently reside in West Los Angeles, California and be able to work onsite at least 3 days per week once the office opens.

Pay

Competitive rate based on experience, education, and credentials

Position Type

Consultant

Work Authorization

Candidates must be authorized to work in the United States and eligible for W2 employment. No sponsorship and no corp to corp arrangements are available.

This opportunity is limited to U.S. Citizens and Green Card Holders .

What you will do

Design and develop APIs and microservices that support BaaS onboarding and partner integrations

Collaborate with product managers, architects, and engineering teams to define technical requirements and deliver scalable solutions

Support engineering excellence through code reviews, mentoring, and development best practices

Contribute to CI/CD, automated testing, and observability initiatives

Ensure compliance with SLA standards and operational requirements

Support monitoring, alerting, and system reliability efforts

Participate in incident response and root cause analysis activities

Create architectural documentation and technical design materials

Evaluate emerging technologies and recommend solutions that support business objectives

Refactor and extend existing applications to resolve defects and enhance functionality

Design systems that are durable, scalable, and highly configurable

What we are looking for

5 or more years of software engineering experience

At least 1 year of technical leadership experience

Strong portfolio demonstrating secure and standards compliant software development

Strong experience with C#, .NET, and SQL

Hands on experience with Azure services including APIM, Azure SQL, Cosmos DB, and Key Vault

Experience with container technologies

Experience with caching frameworks

Strong understanding of RESTful API design

Experience implementing OAuth2 and OpenAPI standards

Experience with event driven architectures including Service Bus and Event Hubs

Experience with microservices architecture patterns

Experience with Datadog, Grafana, or similar observability platforms

Experience working in fast paced environments supporting customer facing applications

Strong knowledge of Git, DevOps, Agile Scrum, and software development best practices

Understanding of PCI DSS, SOC 2, and financial services security requirements

Nice to have

Experience in fintech environments

Experience supporting embedded finance platforms

Familiarity with partner onboarding workflows

Contributions to open source projects

Technical publications or thought leadership contributions

Who Should Apply

This role is ideal for an experienced software engineer who enjoys building cloud native applications, designing scalable APIs, supporting fintech platforms, and delivering reliable customer facing solutions within a collaborative engineering environment.

About Us

The CSI Companies is a leading staffing and recruiting firm providing organizations with highly skilled professionals since 1994. We have been recognized as a Best of Staffing award winner for over a decade and pride ourselves on delivering exceptional talent nationwide.

Benefits Offered

Medical dental and vision coverage

Voluntary life and AD and D coverage

Opportunity for advancement upon performance and availability

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Worksite address

los angeles, CA, 90079, US

Who can apply

Review the original listing for work authorization, qualifications and employer requirements.

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