Senior Software Engineer

LABUR; San Francisco (CA); On-site; USD 169,000 - 200,000; Full time

Job summary

LABUR is seeking a Software Engineer to deliver scalable, secure software for fintech products. You will build APIs with C# and .NET, integrate AI into workflows, and collaborate with cross-functional teams to ship reliable systems. A strong focus on testing, architecture patterns, and maintainable code is required.

Location is the San Francisco Bay Area; compensation ranges from $169,000 to $200,000 per year, depending on experience. Join a collaborative team delivering tangible impact.

Qualifications

• Bachelor's degree in CS, engineering, or equivalent experience.
• 4–6+ years on a product engineering team delivering software.
• Proficiency with API development in C# and .NET; strong SQL skills.
• Experience integrating AI tools into engineering workflows.
• Ability to interpret and apply system design patterns.
• Experience with event-driven architectures and CI/CD is a plus.
• Fintech background and familiarity with regulatory workflows is valued.

Responsibilities

• Implement and maintain web applications with marketplace logic.
• Collaborate with tech leads, engineers, PMs, and program managers to deliver value.
• Clarify requirements, review specs, and execute backlog tasks.
• Create and maintain automated unit and integration tests.
• Produce concise technical documentation for team alignment.
• Support healthy system operations and maintain high availability.

Skills

API development

C# and .NET

SQL

AI tools integration

System design patterns

Event-driven architectures

CI/CD pipelines

TDD

DDD

Education

Bachelor's degree in Computer Science, Engineering, or equivalent

Tools

Kafka

RabbitMQ

Event Store DB

SQL

Job description

We respectfully request that 3rd parties refrain from contacting us regarding this posting.

Overview

LABUR is partnering with a client to find a Software Engineer who is passionate about delivering innovative, scalable, secure, and maintainable software solutions. Our client needs someone with at least four years of experience who excels in team settings, enjoys guiding fellow engineers, and focuses on delivering tangible impact.

Responsibilities

• Implement and maintain web applications featuring customer domain and marketplace middleware business logic
• Work hand in hand with Tech Leads, Engineers, Product Managers, and Program Managers to create solutions that deliver customer and business value
• Collaborate with product teams to clarify requirements, review technical specifications, and execute prioritized tasks from the team's backlog
• Create and maintain automated tests — both unit and integration — to uphold high code quality standards
• Create concise, detailed technical documentation that supports team alignment and knowledge sharing
• Support healthy system operations and maintain high levels of availability

Qualifications

• Bachelor's degree in Computer Science, Engineering, or equivalent professional experience
• 4-6+ years of software engineering experience on a product engineering team, with a demonstrated record of teamwork and delivery
• Proficiency building APIs with C# and .NET, along with strong experience using SQL and relational databases
• Comfort integrating AI tools into daily engineering workflows, including prompt crafting, code review, and advisory use cases
• Ability to interpret and apply system design patterns
• Experience with event-driven architectures (CQRS, Event Sourcing, Kafka, RabbitMQ, Event Store DB), CI/CD pipelines, TDD, or Domain-Driven Development is a plus
• Fintech or financial services background — including familiarity with KYC workflows, financial regulators, and multiple server-side programming languages — is highly valued

Compensation

$169,000–$200,000 per year – Dependent on fit and experience