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Senior Fullstack Engineer, Tech Lead

PayZen is on a mission to bring financial health to healthcare. Our products improve both access and affordability for patients and cash flow & administrative complexity for medical providers. We are trusted by a rapidly growing number of health systems, hospitals, and physician groups and are backed by leading venture capital investors.

Responsibilities

  • Collaborate with product managers and engineers to design and build user-centric products that make a meaningful impact on people's lives.

  • Serve as a tech lead on full stack initiatives - guiding architectural decisions, mentoring junior engineers, and delivering end-to-end solutions across both frontend and backend, from designing intuitive user interfaces to building robust APIs and scalable services.

  • Write reusable, testable, and efficient code while adhering to best practices for maintainability and performance.

  • Develop new features and user interfaces with a mobile-first approach, ensuring seamless experiences across devices.

  • Contribute to the architecture and design of the product, participating in technical discussions and decision-making processes.

  • Work closely with cross-functional teams to develop a deep understanding of business needs and translate them into effective technical solutions.

  • Support team success by fostering collaboration, sharing knowledge, and contributing to a positive and productive work environment.

Requirements

  • 7+ years of experience in full stack software development, including at least 1 year of success in a 0-to-1 product environment.

  • 7+ years of experience in JavaScript technologies, including Node.js and React.Js

  • Strong understanding of user experience, product strategy, and scalable database design.

  • A collaborative mindset and excellent communication skills, both written and verbal.

  • A track record of designing, building, and deploying high-quality, customer-focused solutions.

  • Experience with testing platforms, unit testing, and clean, maintainable code.

Why Payzen?

  • An opportunity to positively affect the lives of thousands of patients

  • A chance to join a high-growth company at an early stage.

  • Contribute to the development of a product that revolutionizes medical payments in ways never seen before.

  • Become a key member of a collaborative, high performing team, shaping its growth and success.

  • Competitive pay, benefits and stock options.

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Itzik Cohen
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Average salary estimate

$140000 / YEARLY (est.)
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$120000K
$160000K

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What You Should Know About Senior Fullstack Engineer, Tech Lead, PayZen

PayZen is on a mission to bring financial health to healthcare, and we’re looking for a Senior Fullstack Engineer, Tech Lead to help make a transformative impact. In this role, you'll collaborate with product managers and fellow engineers to create user-centric products that enhance access and affordability for patients while alleviating cash flow and administrative challenges for healthcare providers. As a tech lead, you will guide architectural decisions, mentor junior engineers, and take charge of full stack initiatives. Your expertise will be critical as you write efficient, reusable, and testable code while adhering to best practices to ensure maintainability and performance. You’ll focus on developing new features and intuitive user interfaces, ensuring they work seamlessly across all devices with a mobile-first approach. By contributing to product architecture and engaging in technical discussions, you’ll help turn business needs into effective technical solutions. Foster a collaborative environment where sharing knowledge is key, and enjoy being part of a positive, high-performing team. With over seven years of experience in full stack software development, particularly with JavaScript technologies such as Node.js and React.js, you’ll find a rewarding opportunity to shape the future of medical payments with PayZen. Join us to make a difference in the lives of thousands of patients and be a part of something revolutionary in healthcare!

Frequently Asked Questions (FAQs) for Senior Fullstack Engineer, Tech Lead Role at PayZen
What are the primary responsibilities of a Senior Fullstack Engineer, Tech Lead at PayZen?

As a Senior Fullstack Engineer, Tech Lead at PayZen, you'll play a pivotal role by collaborating with product managers and engineers to build user-centric solutions that enhance financial health in healthcare. Your primary responsibilities will include guiding architectural decisions, mentoring junior engineers, delivering end-to-end solutions from intuitive user interfaces down to robust APIs, and ensuring successful product development. Furthermore, you will foster collaboration within the team and support a positive work environment, all while focusing on coding best practices.

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What qualifications are needed to apply for the Senior Fullstack Engineer, Tech Lead position at PayZen?

To apply for the Senior Fullstack Engineer, Tech Lead position at PayZen, candidates should possess over seven years of full stack software development experience, including a minimum of one year in a 0-to-1 product environment. Proficiency in JavaScript technologies like Node.js and React.js is crucial, alongside a solid understanding of user experience and scalable database design. Excellent communication skills and a collaborative mindset are also essential for success in this role.

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How does the Senior Fullstack Engineer, Tech Lead position contribute to PayZen's mission?

The Senior Fullstack Engineer, Tech Lead position is integral to PayZen’s mission to enhance financial health in healthcare. By developing innovative, user-friendly products and ensuring their functionality across devices, you'll help improve access and affordability for patients. Additionally, your role in mentoring junior engineers and contributing to architectural decisions will aid in building a strong, effective team capable of tackling the challenges in medical payments.

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What type of projects will a Senior Fullstack Engineer, Tech Lead work on at PayZen?

A Senior Fullstack Engineer, Tech Lead at PayZen will work on projects that focus on developing products designed to streamline medical payments, improving both patient access and provider cash flow. This includes creating intuitive user interfaces and scalable APIs, contributing to meaningful initiatives that have a direct impact on the healthcare experience. You'll be engaged in high-impact projects that challenge and enhance your technical skills within a supportive environment.

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What growth opportunities exist for a Senior Fullstack Engineer, Tech Lead at PayZen?

At PayZen, a Senior Fullstack Engineer, Tech Lead can expect significant growth opportunities. Being part of an early-stage, high-growth company allows you to shape product development and influence future technical strategies. Moreover, by working within a collaborative and mentoring environment, you'll have the chance to enhance your leadership skills, make impactful contributions, and grow alongside the company while positively affecting patient lives across the healthcare landscape.

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Common Interview Questions for Senior Fullstack Engineer, Tech Lead
Can you describe your experience with full-stack development?

To effectively answer this question, highlight your experience in both frontend and backend technologies, providing specific examples of projects you've worked on. Detail the frameworks you’re proficient in, like React.js and Node.js, and emphasize the impact your contributions had on the success of the products.

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How do you ensure code quality and maintainability?

Discuss the practices you follow to ensure code quality, including implementing testing protocols, consistent code reviews, and adhering to best practices. Mention how you promote clean coding standards and provide examples of how these practices have benefited your previous projects.

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What strategies do you use when mentoring junior engineers?

Share your mentoring philosophy, whether it’s through regular one-on-one check-ins, code review sessions, or by encouraging team collaboration on projects. Illustrate how mentorship has worked at your past positions and the outcomes it produced for the team.

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How would you approach designing a new feature for a user-centric product?

Explain your approach to product design, focusing on understanding user needs through research, feedback, and prototypes. Discuss how you prioritize features based on this understanding and how you involve cross-functional teams in the design process to ensure a user-centric product.

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Can you give an example of a challenging technical problem you solved?

Choose a relevant experience where you encountered a significant technical challenge. Detail the problem, what steps you took to resolve it, and the final outcome. Highlight your problem-solving techniques and how they led to a successful result.

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How do you collaborate with cross-functional teams in your projects?

Talk about your collaboration strategies, emphasizing open communication, regular updates, and the importance of building relationships within and across teams. You can provide an example where cross-functional collaboration led to a successful project outcome.

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What tools and technologies do you prefer for full-stack development?

Discuss the tools and technologies you are most comfortable with, such as Node.js, React.js, and any testing frameworks. Highlight why these tools are beneficial in your development process and how they contribute to your productivity and project success.

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What role do you play in the software development lifecycle?

Explain your engagement in the software development lifecycle, from requirements gathering to deployment and maintenance. Highlight any specific roles you've played, such as leading architectural discussions or ensuring testing protocols are followed.

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How do you stay updated with the latest trends in full stack development?

Talk about your dedication to continuous learning, whether through online courses, industry seminars, or staying active in developer communities. Mention any recent trends you’ve adopted in your own work and their impacts.

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Why are you interested in working with PayZen?

Articulate your passion for improving healthcare through technology, specifically the mission of PayZen to enhance financial health. Share what excites you about the opportunity to work in a high-growth company and how your skills align with their goals.

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To solve healthcare affordability at every stage of the care cycle.

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EMPLOYMENT TYPE
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DATE POSTED
April 21, 2025

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