SDE III (Front-End)

Sr. Software Development Engineer (Front-end)About Subsplash

Subsplash—The Ultimate Engagement Platform™ for churches, Christian ministries, non-profits, and businesses around the world—serves 20,000+ clients, creating impactful products, and delighting the 40 million real people who use our platform every day. Subsplash is one of the fastest growing companies in the U.S. (Inc. 5,000 Fastest Growing Companies from 2020–2024) and has won awards for best mobile experience, been voted one of Seattle and Austin’s best places to work multiple years in a row, created some of the most downloaded apps of all time, and built enterprise software for world-class brands like XBOX, Microsoft, Samsung, Expedia, and Cisco; yet, at the end of the day, our passion is to equip churches to make a lasting impact in our world. Our team of 300+ mission-driven people committed to our core values of humility, innovation, and excellence has pioneered the market with over 30-firsts for the church market including the first-ever church mobile app. 

Working at Subsplash is more than just a job; we are a team of people who are courageous, inventive, and passionate about doing meaningful work every day. Don’t take our word for it—head to Glassdoor and see for yourself!

About the Team

The Engineering Team is responsible for building and running all the products that Subsplash offers. We are a super-star team of software engineering, QA, and site reliability professionals creating polished experiences for our clients and end-users. The Engineering Team is responsible for the entire user experience including: Mobile Apps (end-user facing), Subsplash Giving, the Subsplash Dashboard CMS (client-facing), Web App, TV App, backend data feeds, analytics, SnapPages (website builder) and more. We serve thousands of clients, millions of end-users, and billions of individual app impressions.

About the Role

As a Software Development Engineer III (Frontend), you will play a critical role as a senior member of our core client-side team, working on complex and high-impact frontend projects across our platform. You will have the opportunity to contribute meaningfully to our UI Infrastructure efforts, ensuring our shared component libraries, design systems, and frontend frameworks remain scalable, maintainable, and performant.

This is a senior-level, individual contributor role, requiring a high degree of autonomy. A majority of contributions will come through the implementation of features that align with durable team objectives. Additionally, you will frequently contribute to the shared component library for both web and mobile platforms. You will also provide feedback for strategic direction regarding shared frameworks and infrastructure serving clients and end users across our products (e.g., the Dashboard, Web Shell, Kit, etc.).

You will work closely with a single scrum team primarily as a frontend developer while ensuring the team’s collective success, in addition to delivering on your own commitments. This is a meaningful role that requires you to properly plan, estimate, and execute work, balancing both individual contributions and broader engineering team initiatives. You will also be expected to maintain a high level of accountability and transparency by showcasing completed work at sprint reviews and collaborating with multiple stakeholders across Product and Engineering.

You will frequently code in HTML, CSS, TypeScript, and JavaScript, working with frameworks such as React Native, Ember.js, and Vue.js. While this role focuses on frontend development, there will be opportunities to contribute to the backend stack in Go, PHP, etc., when necessary. As a senior-level team member, you will take security, scalability, uptime, and reliability seriously, ensuring that all frontend systems remain highly performant and defect-free.

Your PrioritiesTechnical Leadership & Development

• Architect and develop complex, high-quality frontend applications and shared UI components.
• Take ownership of key frontend projects and ensure technical excellence in design, performance, and scalability.
• Make architectural decisions, both in expanding existing projects and planning/implementing new systems.
• Partner with backend engineers to define API contracts and optimize data-fetching strategies.
• Contribute to the evolution of frontend infrastructure, frameworks, and tooling to improve developer productivity and application performance.
• Maintain a deep understanding of modern frontend architectures and advocate for best practices.

Collaboration & Cross-Functional Influence

• Work closely with Product Managers, Designers, and Backend Engineers to deliver seamless user experiences.
• Actively contribute to the shared component library and frontend frameworks that power multiple teams across Subsplash.
• Participate in Agile ceremonies, providing technical insights and ensuring engineering feasibility of new product initiatives.
• Partner with QA engineers to define test strategies that ensure high reliability and maintainability.
• Review and influence technical design decisions across teams.

Mentorship & Knowledge Sharing

• Mentor and guide junior and mid-level engineers, fostering a culture of learning and technical excellence.
• Conduct thorough code reviews, emphasizing best practices, performance optimizations, and maintainability.
• Lead knowledge-sharing sessions to elevate the frontend engineering team’s expertise.
• Advocate for frontend accessibility, security, and performance best practices across teams.

Requirements

• 7+ years of professional software development experience, with at least 3 years focused on frontend development.
• Deep expertise in JavaScript, TypeScript, HTML, CSS, and modern frontend frameworks like Next.js, React, React Native, and Ember.js.
• Experience and proficiency making architectural decisions, both in expanding existing projects and planning/implementing new systems.
• Strong experience integrating with backend APIs (REST, GraphQL) and optimizing data-fetching strategies.
• Deep understanding of frontend performance optimization, accessibility, and security best practices.
• Experience building and maintaining component libraries or shared frontend infrastructure.
• Experience protecting against security risks such as XSS, SQL Injection, appropriate use of TLS, and session hijacking.
• Proficiency in Cloud Networking and Network Security best practices.
• Experience writing unit tests and integration tests to automate detection of breaking changes.
• Excellent technical documentation and proposal-writing skills.
• Embraces Agile principles and Scrum.
• Able to navigate ambiguous requirements while prioritizing multiple projects, tasks, and bug fixes.
• Values collaboration, mentorship, and receiving constructive feedback.
• Bachelor of Science in Computer Science/Engineering or equivalent experience.

Preferred Qualifications

• Experience with mobile app development, particularly React Native, Swift, or Kotlin.
• Familiarity with frontend hosting providers like Vercel, Netlify, or AWS Amplify.
• Understanding of containerization and orchestration (Docker, Kubernetes).
• Experience working in a SaaS or product-driven environment.
• Knowledge of OWASP security best practices and experience securing frontend applications.
• Previous contributions to open-source frontend libraries or frameworks.

Compensation

The overall compensation for this role will be between $150,000-180,000/yr.

Location

Subsplash currently has operations in 27 states across the US! As much as we would love to have employees in as many states and countries as we have clients, we are currently limiting hiring to the states we already operate in. As a result of that, this role is only available as a 100% remote position if you reside in one of the following states: 

AL, AR, AZ, CO, FL, GA, ID, IA, IN, KS, KY, MO, MI, MN, NC, NM, OK, OH, OR, SC, SD, TN, TX, UT, VA, WA, WY.

Unfortunately, if you do not reside in one of these states, we are unable to consider your application.

Benefits

Generous Paid Time Off (Accrual rate of 15 days for the first year and then 20 vacation days per year beginning on your 1 year anniversary), Medical Coverage, Dental Coverage, Vision Coverage, short and long term disability and life insurance all free of charge, Competitive Compensation, 401k Matching, Professional Development, Top of the Line Equipment, Referral Program, Parental Leave, Family-Friendly Culture, and the chance to work side-by-side with thought leaders in emerging tech

This position is classified as Full-time/Exempt and therefore is eligible for overtime pay. Primary position hours are 7:30 am to 4:30 pm Mon-Fri.

Note: Employment with Subsplash is contingent upon satisfactory proof of employee’s right to work in the U.S., as required by law and upon completion of a basic background check and; Employment with Subsplash is considered “at will,” meaning that either the company or the employee may terminate the employment relationship at any time without cause or notice. Subsplash is an Equal Opportunity Employer. We value all human life as all people are created with equal dignity, value, and worth. We do not discriminate on the ground of race, color, religion, sex, age, disability or national origin, or genetic information in the hiring, retention, or promotion of employees; nor in determining their rank, or the compensation or fringe benefits paid them.

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