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Senior Backend Engineer Job in USA 2025 with H-1B Visa Sponsorship | Kikoff

December 5, 2025 6:34 am

Senior Backend Engineer Job in USA 2025 with H-1B Visa Sponsorship | Kikoff

Kikoff is seeking a Senior Backend Engineer for its Grant Underwriting and Payment team. This vital position will focus on enhancing payment infrastructure and optimizing backend services. By joining Kikoff, you will work on systems that revolutionize financial access and improve customer experiences.

About the Hiring Firm

Kikoff is a pioneering fintech company dedicated to providing affordable financial tools. Founded in 2019 and based in San Francisco, Kikoff serves millions of customers. The firm leverages innovative technology and AI to help individuals achieve financial stability and credit security. Backed by top-tier investors, including NBA star Stephen Curry, Kikoff is rapidly scaling its impact in the financial services sector.

Job Duties

As a Senior Backend Engineer, you will:

Own and scale multi-rail payment systems to ensure reliability.
Design and develop distributed systems capable of handling high transaction volumes.
Optimize background job infrastructure for effective processing of workflows.
Lead architectural decisions balancing speed and cost for financial systems.
Build robust data pipelines to support machine learning models.
Collaborate closely with product and data science teams on impactful features.

Job Requirements

Candidates should meet the following criteria:

At least 5 years of experience with modern backend frameworks and system design.
Proven track record in building scalable production systems.
Experience with background job processing systems, such as Sidekiq or Resque.
Solid knowledge of database optimization and performance tuning.

Ideal Candidates Will Also Have:

Familiarity with payment systems, financial infrastructure, or regulated environments.
Ability to navigate infrastructure decisions that consider technical and business needs.
Experience partnering with data science teams to implement machine learning models.
Background in fintech or lending infrastructure.

Click Here to Apply

Conclusion

The Senior Backend Engineer position at Kikoff presents a unique opportunity to make a real impact in the fintech landscape. By working on cutting-edge payment systems, you will help improve the financial lives of many customers. Join a small, high-impact team where your contributions are valued, and your work drives tangible change. If you’re ready to embrace this exciting challenge, apply to Kikoff today!