At Sparq, we help companies solve the right problems—not just build more technology.
We’re a modern product engineering partner blending strategy, craftsmanship, and speed to help organizations modernize confidently in the age of AI. From data ecosystems to digital products and AI acceleration, we turn complexity into clarity and ideas into impact.
If you’re driven to build what’s next, lead with empathy, and deliver excellence without ego, you’ll feel right at home at Sparq.
C2C is not available
Must be authorized to work in the U.S. without sponsorship
Why you will enjoy Mondays again:
- Opportunity to work alongside a talented, diverse team in a collaborative and creative environment
- Ongoing investment in your growth through training, mentorship, and industry certifications
- Hands-on exposure to cutting-edge technologies across multiple industries
- Recognition programs and employee awards within an inclusive culture that celebrates great work, including our AI Innovators Program
- Remote or hybrid work options
A Day in the Life:
We are seeking a Principal Full Stack Developer with deep expertise in React and strong experience in .NET/C# to lead the design and delivery of scalable, high-performing web applications. This role emphasizes front-end leadership with React, while also leveraging the Microsoft technology stack for robust back-end solutions. The ideal candidate combines hands-on technical excellence with the ability to drive architectural decisions, mentor developers, and collaborate with stakeholders to deliver enterprise-grade applications.
- Architect and lead front-end development using React, ensuring high performance, responsive design, and maintainability at scale.
- Design, build, and optimize full-stack solutions with C#, .NET Core, ASP.NET, SQL Server, Web API, and MVC.
- Leverage AWS services to design, deploy, and scale cloud-based infrastructure supporting enterprise-grade applications.
- Establish front-end standards and best practices, guiding teams in component architecture, state management, and UI/UX alignment.
- Provide technical leadership and mentorship, fostering growth across development teams and promoting engineering excellence.
- Partner with Product, UX, QA, and DevOps teams to translate business requirements into scalable and user-friendly applications.
- Lead code reviews and enforce standards for both React and .NET projects to ensure high-quality, consistent deliverables.
- Actively use AI tools, including Claude through our Anthropic partnership, to streamline tasks, improve the quality of your work, and share best practices with teammates while continuously seeking new ways to integrate AI into your everyday workflows
- Enhance existing products by building new functionality while maintaining stability and backward compatibility.
- Champion modern software development practices, including CI/CD pipelines, automated testing, and cloud-ready architectures.
- Drive technology evaluations, particularly in the JavaScript/TypeScript and React ecosystem, recommending tools and frameworks to enhance front-end capabilities.
- Own the end-to-end SDLC, ensuring timely delivery of reliable, scalable, and performant software solutions.
What it takes:
- Consultative approach and problem solving skills to successfully align digital solutions with long-term business goals of the client
- Hands-on experience using AI tools to enhance daily work, or a strong desire to do so, including a willingness to experiment, learn, and champion AI adoption within your role
- Claude Certified Developer or Architect highly preferred; possible opportunity to obtain as a Sparq colleague
- Commitment to understanding and exceeding client expectations
- Ability to perform project oversight and execution of deliverables
- Flexibility to adapt within a high-growth organization
- Ability to lead, mentor and motivate those around them
- Hunger for continuous learning and professional development
- Intellectual curiosity to provide creative solutions
- Full understanding of the software development life cycle
- Ability to positively impact fellow colleagues through effective leadership, presentations, coaching, etc.
- Desire to work in a team environment
- Good interpersonal, written and verbal communication skills
Regardless of your specific role, we seek individuals who are excited to explore, adopt, and evangelize AI tools and methodologies. If you have experience in AI or a proven track record of rapidly learning and mentoring others on emerging tech, you’ll fit right in.
Equal Employment Opportunity Policy: Sparq is proud to offer equal employment opportunity without regard to age, color, disability, gender, gender identity, genetic information, marital status, military status, national origin, race, religion, sexual orientation, veteran status, or any other legally protected characteristic.
We are committed to providing equal employment opportunities and believe in an inclusive workplace. If you require reasonable accommodations to participate in the job application or interview process, please let us know by contacting [email protected]
#LI-REMOTE
Skills Required
- Authorized to work in the U.S. without sponsorship
- Deep expertise in React
- Strong experience with .NET and C#
- Experience with SQL Server, Web API, and MVC
- Experience designing, deploying, and scaling cloud infrastructure using AWS
- Hands-on experience using AI tools, or strong willingness to experiment with and champion AI adoption
- Consultative approach and problem-solving skills
- Ability to perform project oversight and execute deliverables
- Ability to lead, mentor, and motivate developers
- Understanding of the software development lifecycle
- Effective leadership, presentation, and coaching skills
- Good interpersonal, written, and verbal communication skills
- Claude Certified Developer or Architect certification
Sparq Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Sparq and has not been reviewed or approved by Sparq.
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Leave & Time Off Breadth — PTO with floating holidays and seven U.S. holidays is part of the package, and flexibility around taking time off is highlighted positively. These elements support work–life balance for many roles.
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Retirement Support — A 401(k) program is offered and some postings reference a company match. This provides baseline long‑term savings support even though specific match details are not publicly listed.
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Inclusive Benefits Coverage — Participation in LGBTQ+ inclusion benchmarks and the presence of colleague resource groups signal attention to inclusive policies and benefits. External recognitions further reinforce a focus on equitable workplace practices.
Sparq Insights
What We Do
In the age of AI, differentiation isn’t in what you build - it’s in the problems you choose to solve and the outcomes they unlock. That’s why we help leaders cut through the noise, focus on what matters most, and solve it right the first time. By fusing problem-first thinking, deep technical craftsmanship, and fast, flawless delivery, we de-risk transformation and deliver solutions that stick, scale, and prove their worth. With a deep bench of end-to-end technologists, architects, and engineers, no challenge is too complex and no solution is half-built. At Sparq, your mission is our mission. We’re modular by design - meeting you where you are and accelerating you toward where you’re meant to be. We don’t just guide - we climb with you. Embedded alongside your teams, we chart the course, build with precision, and navigate complexity until your outcomes are achieved. Built to solve, not just to build.
