Principal Software Engineer

EXTEND OVERVIEW

Extend is a rapidly growing fintech startup in the B2B payments space with a focus on serving banks and their customers. We have built the first virtual card platform of its kind, directly integrated with processors, networks, and the technology that supports banking across the industry. We offer several virtual card products including an app-as-a-service that banks can offer business customers with their existing credit cards, a suite of virtual card APIs for those looking to build custom payment solutions, and we also offer secure connectivity to key banking and payment services that enable 3rd-parties to integrate and embed payments into their software.

Founded in 2017 by 3 industry experts with experience at Fortune 500 companies, including American Express and Capital One, Extend is headquartered in Manhattan and has recently raised $40m in venture capital from top fintech investors. With extreme monthly growth and 80+ mission-driven employees, now is prime time to join our team!

For more information visit paywithextend.com

ABOUT THE ROLE

As Principal Software Engineer at Extend, you will spearhead critical engineering initiatives as the senior-most backend engineer in the company. Reporting directly to the CTO, you will play a decisive role in architecting, developing, and scaling our backend platform to support Extend’s exciting growth and vision. Your leadership will directly influence the integration of cutting-edge new features and expand our partnerships with some of the world's largest banks and credit card networks. New York City based preferred.

At Extend, you’ll:

• Architect and build: Design state-of-the-art services that are scalable, flexible, and capable of supporting our dynamic and growing business.
• Drive innovation: Lead the development of an intelligence layer that provides advanced insights and AI-driven features to enhance user insights, increase the stickiness of our offering and unlock the power of the payments data within our platform.
• Enable connected payments: Oversee and expand our integrations with major financial institutions to improve upon and create new data flows and functionality.
• Set the bar for excellence: In collaboration with our tech leadership team, set and drive the standards for Engineering at Extend and the excellence of our technology practice.
• Lead and mentor: Provide guidance and mentorship to other engineers on best practices in software architecture, design patterns, and advanced coding techniques.
• Be a tech visionary: Stay at the forefront of technology trends, advocating for and implementing modern engineering practices that keep Extend ahead of the curve and competitive in Fintech.

THE CANDIDATE
We are looking for someone who not only fits but exceeds the following criteria:

• Proven track record: 10+ years of experience in leading the design, development, and operational support of complex distributed systems.
• Educational foundation: Bachelor’s degree in Computer Science, Engineering, or a related field. Advanced degrees are welcomed.
• Deep technical expertise: Robust knowledge in developing high-scale web applications; mastery of software development with a strong grasp of object-oriented design, multithreading, memory management, and modern backend technologies.
• Cloud mastery: Extensive experience with AWS services including but not limited to EC2, ECS, RDS, SQS, Lambda, API Gateway, and CloudWatch.
• Lifecycle expertise: Deep understanding of the software development lifecycle with a solid track record in agile environments.

TECH STACK

Kotlin/Functional programming
Spring/Spring Boot
SQS/RabbitMQ
Postgres
Redis
AWS

WHAT WE OFFER

• A competitive compensation package
• Equity for all–our success is your success
• Unlimited vacation–and we want you to use it
• 401K matching
• Flexible work options
• Comprehensive health coverage for you and your family, effective day one of employment
• Maternity and paternity leave benefits
• Reimbursement for gym memberships
• Professional development budget
• $5K referral bonus–bring your friends!
• Work with and learn from functional experts across disciplines