Senior Software Engineer

About KasheeshKasheesh is the first platform to let you split any online purchase across multiple debit and credit cards—without needing a loan or a new line of credit. We help people access and manage their money in a way that fits how they live, earn, and spend today. We’re on a mission to give consumers more control and flexibility over how they fund everyday purchases. Whether it's combining your primary card with a fintech card or that gift card you forgot you had, Kasheesh makes it seamless to manage checkout your way. We’re a venture-backed team of fintech operators, builders, and designers reshaping what modern payments should look like.
The RoleAs a Senior Software Engineer, you’ll design and scale systems, drive engineering best practices, and help build a product that’s secure, reliable, and user friendly. Seniors at Kasheesh don’t just execute, they take ownership, anticipate problems before they arise, and set the technical and cultural bar for the team.

Responsibilities

• Design & Build: Architect, implement, and maintain scalable features and services across our platform.
• Proactively Improve: Identify opportunities to reduce technical debt, improve performance, and strengthen security.
• CI/CD & Reliability: Contribute to and improve our CI/CD pipelines, testing frameworks, and monitoring systems to ensure safe, repeatable deployments.
• Collaborate Cross-Functionally: Partner and lead discussions with Product, Design, and business stakeholders to deliver thoughtful solutions aligned with user and business needs.
• Operational Excellence: Participate in on-call rotations, lead postmortems, and improve system observability and resilience.
• Mentor & Lead: Coach junior and mid-level engineers, give constructive feedback, and model proactive ownership.
• Raise the Bar: Consistently challenge yourself and others to grow, push boundaries, and embody a mindset of continuous improvement.
• Influence the Direction: Shape technical strategy, contribute to architectural discussions, and help set engineering standards.
• As with any startup environment, you may be expected to wear multiple hats and take on additional responsibilities as needed to support the team's success.

Competencies

• At least six years' experience as a software engineer, ideally in a startup environment.
• Ability to build and scale production systems in a fast-paced environment.
• Expertise in Ruby on Rails, RSpec, and relational database design (PostgreSQL).
• Maintain and improve CI/CD pipelines, automated testing, and Heroku or cloud-based deployment.
• Expertise working across the stack, from server-side logic and APIs to frontend components and layouts.
• Strong debugging, performance tuning, and problem-solving skills.
• Excellent communication skills and the ability to lead initiatives proactively.
• Commitment to becoming the best version of yourself and encouraging the same in others.
• Ability to balance speed with thoughtful code architecture, design and scalability.

CompensationThe base salary range for this position is $160,000-$200,000. Base salary is just one component of our compensation structure. All full-time employees also receive an equity compensation package. In addition to your base salary and equity, you will be eligible to enroll in medical, dental, and vision insurance plans, including two fully covered options for individuals. We also offer unlimited vacation, a 401(k) match, a monthly wellness stipend, basic life insurance and weekly lunches in our NYC office.
LocationWe have a hybrid work schedule. Employees are expected to work from our New York City office at least one day per week. 
Interview ProcessWhile the interview process may vary by role, the typical framework includes: an application, an HR interview, a peer interview, a technical assessment, a hiring manager interview, and founder interviews. 
We are a small team and every team member plays a meaningful role in shaping our mission and impact. We’re excited to meet candidates who are passionate about their work and ready to contribute to our mission. We look forward to hearing from you.