Senior Full Stack Engineer, Customer

We are looking for a

Senior Full Stack Software Engineer

to join our Customer & Cardholder Experiences team, delivering innovative UIs and embeddable solutions to transform the experience of Marqeta’s customers and their cardholders. You will own and deliver projects in service of quarterly goals on the team and independently identify solutions to solve ambiguous, open-ended problems. You will work in collaboration with your team and cross‑functional partners.

We work Flexible First. This role can be performed remotely anywhere within the Greater Toronto Area, Ontario. We’d love for you to join us

What You'll Do

Design, build, test, and continually improve Marqeta’s user interfaces and the backend services that support them.

Define and deliver well‑scoped milestones for projects and may be a technical lead for projects on your team.

Actively keep customer needs in mind and leverage input from product stakeholders to determine the right technical solutions to deliver customer value quickly.

Actively level up less‑experienced members of your team by helping them with their craft, providing guidance, and setting a good example.

Independently write code that is clear with minimal bugs that captures the essential nature of the solution and is appropriately flexible, reusable, efficient, and adaptable to changing requirements.

Identify gaps, challenge the status quo, and propose innovative plans to address them.

Lead design for medium components/features and participate in design for larger components/features (moving from task level impact to medium‑size project level impact).

Have significant ownership of a component/feature of the system.

Independently design software components in well‑scoped scenarios, with simplicity and maintenance as key considerations, ensuring components are testable, debuggable and have logical APIs that are not easily misused.

Participate in on‑call coverage.

Who You Are

5+ years of hands‑on software engineering with a Bachelor’s degree; or 3 years and a Master’s degree; or a PhD with 8 years experience. In lieu of a degree, 8+ years of relevant experience may suffice.

2+ years of backend experience in any OOP language.

Experience with OAuth 2.0, JWTs, and user session management.

Experience in developing applications with modern Java backend stack using Spring Boot and Kubernetes on AWS.

Experience both building and consuming RESTful APIs.

Experience with Javascript and Node.js.

Experience developing scalable microservices on cloud platforms like AWS (preferred), Azure, or GCP.

Strong analytical and problem‑solving skills with a high attention to detail.

Strong collaboration and communication (verbal and written) skills. Can effectively work cross‑functionally and deliver a project.

Experience working in modern software engineering ecosystems that leverage frameworks, methodologies and technologies such as CI/CD, containerized apps, Agile (Scrum).

Ability to share relevant information including if difficult task‑level trade‑offs that impact the product need to be made.

Ability to work with cross‑functional stakeholders to identify technical blindspots and clarify ambiguity.

Nice to haves

Domain experience in Payments or Fintech industry in general.

Experience in developing scalable applications with at least one modern frontend technology such as React, Angular, VueJS, NextJS.

Experience with highly‑available distributed systems, including sharding, replication, load balancing, and caching.

Your Manager

Jamie Guidry, Sr Manager, Software Engineering

Typical Process

Application Submission

Recruiter phone call

Hiring manager video call

Virtual “Onsite” consisting of 4-5, 45 min calls

Offer

Compensation and Benefits Marqeta calibrates pay to a competitive value according to working location. When determining salaries, we consider several factors including, but not limited to, skills, prior experience, and work location. The new‑hire

base salary

range for this full‑time position, reflected in CAD, is: $116,000 - $145,000

We also believe in recognizing the contributions of our people. That's why we award annual bonuses to eligible employees, rewarding both individual performance and the success of the entire company.

Along with monetary compensation, Marqeta currently offers:

Multiple health insurance options

Flexible vacation time with additional floating holidays

Retirement savings program with company contribution

Equity in a publicly‑traded company

Monthly stipend to support our remote work model

Annual development stipend to support our peo