Fullsteam · 1 day ago
Senior Backend Engineer
Fullsteam is a leading provider of vertical software and embedded payments technology dedicated to helping businesses flourish. They are looking for a Senior Backend Engineer who will build high-quality, scalable APIs and collaborate with various teams to design and maintain backend systems for their SaaS platform.
PaymentsSoftware
Responsibilities
Design and build data-intensive, scalable REST APIs that power core SaaS features for frontend applications and external partners
Collaborate with others on the Development team. Work closely with Frontend Engineers to ensure smooth feature delivery and minimal rework. Partner with QA to ensure features are production-ready
Collaborate with Product to translate product requirements into clear technical implementation plans, identifying the "how" before we ever hit "npm start."
Write and maintain automated tests to ensure reliability and support ongoing feature development
Participate in code reviews, setting a high bar for code quality, performance, and maintainability
Contribute to technical documentation for APIs, data models, and backend workflows to support cross-team collaboration
Ensure backend code and architecture follow modern best practices, security standards, and internal conventions
Improve, extend, and version existing APIs, ensuring backward compatibility
Define or refactor data models according to evolving needs of the application
Identify and address performance, scalability, and data integrity issues in existing backend systems
Work with strategic agencies and partners to guide them on using our APIs for their customers and brands
Grow a culture of customer centric UI, consistency, and quality
Qualification
Required
Demonstrated ability to work independently, manage priorities, and deliver backend features on schedule
Proficiency with JavaScript (ES6+) and asynchronous programming patterns
Proficiency with NodeJS, including frameworks such as Express and Fastify
Experience designing, building, and maintaining REST APIs in a production environment
Experience working with AWS cloud services, including Aurora, Dynamo DB, and Lambda
Experience with testing frameworks, including automated integration and unit testing
Able to write direct performant SQL code if required
Strong sense of ownership for code reliability, performance, and quality in a product environment
Excellent verbal and written communication skills, with the ability to collaborate effectively across engineering, product, and QA teams
Customer and partner focused mindset, recognizing that APIs are a critical part of the product experience
Curiosity and a commitment to continuous learning and improvement
A deep empathy for the user and a desire to learn about how they use Commerce7
Preferred
Experience with ecommerce or point of sale platforms in a bonus
Benefits
Medical
Extended Health and LTD plan
Dental
Vision
RRSP (with employer match)
Health Spending Account
Flexible paid time off
Company
Fullsteam
Backed by Aquiline Capital Partners and ADIA, Fullsteam is a dynamic and growing team of 1,700 employees committed to driving innovation and delivering best-in-class software and payment solutions that empower small and medium-sized businesses across numerous industries.
H1B Sponsorship
Fullsteam has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (1)
2020 (1)
Funding
Current Stage
Late StageTotal Funding
unknownKey Investors
Aquiline Capital PartnersSixth Street
2023-05-25Private Equity
2021-12-02Private Equity
Leadership Team
Recent News
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