Senior Software Engineer, Developer Experience
Greenlight · United States
- Hybrid
- Full-time
- $155,000 / year
- United States
Job highlights
- Build and maintain developer tools and infrastructure.
- Improve engineer productivity and reduce delivery friction.
- Integrate AI into developer workflows and tooling.
- Focus on performance, stability, and reliability.
- Collaborate with engineering and QA teams.
About the role
About Greenlight
Greenlight is the leading family fintech company on a mission to help parents raise financially smart kids. We proudly serve more than 6 million parents and kids with our award-winning banking app for families. With Greenlight, parents can automate allowance, manage chores, set flexible spend controls, and invest for their family’s future. Kids and teens learn to earn, save, spend wisely, and invest.At Greenlight, we believe every child should have the opportunity to become financially healthy and happy. It’s no small task, and that’s why we leap out of bed every morning to come to work. Because creating a better, brighter future for the next generation depends on it.
About the Role
Greenlight is looking for a Senior Software Engineer, Developer Experience to join our Developer Experience (DevEx) team, a team dedicated to ensuring every engineer has the right tools, processes, and environment to do their best work. This role blends hands-on developer tooling engineering with performance and reliability expertise, and carries a forward-looking mission: leverage AI to transform how we build and operate our developer infrastructure. You will own tooling that spans the full developer lifecycle, from local development environments and CI/CD pipelines to performance testing frameworks and AI-powered automation. Your work will directly reduce friction for engineering teams, accelerate delivery, and ensure that every release meets Greenlight’s high bar for performance and reliability.Technologies We Use:
- Backend: Kotlin, TypeScript/Node.js
- Cloud experience (AWS preferred)
- Kubernetes, Ambassador, Helm
- Github Actions (or other CI experience i.e CircleCI, Jenkins, TravisCI)
- Continuous Delivery (ArgoCD or equivalent)
- Software and Shared Library development experience
- All major AI tools and infrastructure
Your Day-to-Day:
- Design, build, and maintain reusable developer tooling (CLI tools, NPM and Kotlin libraries) shared across all engineering teams
- Enable a consistent and friction-free local development experience for engineers
- Build and maintain robust CI/CD pipelines (GitHub Actions, ArgoCD) that provide fast, reliable feedback loops
- Identify and eliminate bottlenecks in the developer workflow through proactive engagement with engineering teams
- Contribute to and enforce standards for code reusability and maintainability across packages and libraries
- Integrate AI tooling (LLMs, agentic workflows, code generation) into CI/CD pipelines and developer workflows to accelerate delivery
- Build AI-assisted automation for test generation, code review, and performance anomaly detection
- Evaluate and adopt emerging AI developer tools (e.g., Claude, Cursor, custom agents) and drive their adoption across engineering
- Design intelligent observability solutions using AI to surface actionable signals from Datadog and other monitoring platforms
- Partner with cross-functional teams to embed AI capabilities into the full software delivery lifecycle
- Partner with architects, developers, and QA teams to design and execute a comprehensive performance testing strategy
- Validate performance, stability, scalability, and reliability across web and mobile product surfaces
- Build and maintain a scalable performance testing environment supporting both functional and load scenarios
- Perform root-cause analysis on performance bottlenecks and provide clear recommendations
- Coordinate performance testing across internal teams and external resources, ensuring complete test coverage for each release
- Communicate testing status and performance insights to engineering leadership, translating data into actionable recommendations
What You’ll Bring to the Team:
- 5+ years of experience in software engineering, with a focus on developer tooling, platform engineering, or DevOps
- You care deeply about developer productivity and treat your colleagues as your customers
- You are a strong systems thinker who can navigate both platform-level architecture and the day-to-day pain points of individual engineers
- You are excited by AI and actively look for ways to apply it to real engineering problems, not just as a buzzword
- You communicate clearly across engineering, QA, and leadership translating technical findings into business-relevant insights
- You are comfortable working in a cross-geography setup and can lead and mentor peers in a distributed environment
- You bring a quality-first mindset and champion best practices in testing, observability, and release confidence
Work Perks at Greenlight:
- Medical, dental, vision, and HSA match
- Paid life insurance, AD&D, and disability benefits
- Traditional 401k with company match
- Unlimited PTO
- Paid company holidays and pop-up bonus holidays
- Professional development stipends
- Mental health resources
- 1:1 financial planners
- Fertility healthcare
- 100% paid parental and caregiving leave, plus cleaning service and meals during your leave
- Flexible WFH, both remote and in-office opportunities
- Fully stocked kitchen, catered lunches, and occasional in-office happy hours
- Employee resource groups
Our Stance on Salaries:
Greenlight provides a competitive compensation package with a market-based approach to pay and will vary depending on your location, experience and skill set. The total compensation package for this position will also include a discretionary performance bonus, equity rewards, medical benefits, 401K match, and more. Greenlight conducts continuous compensation evaluations across departments and geographies to ensure we are keeping our pay current and competitive.The estimated base pay range for this position in (NY, CA, WA): $130,000- 180,000
The estimated base pay range for this position in (CO): $130,000- 155,000
Who We Are:
It takes a special team to aim for a never-been-done-before mission like ours. We’re looking for people who love working together because they know it makes us stronger, people who look to others and ask, “How can I help?” and then “How can we make this even better?” If you’re ready to roll up your sleeves and help create a world where every child grows up to be happy and healthy in money and life, apply to join our team.Greenlight is an equal opportunity employer and will not discriminate against any employee or applicant based on age, race, color, national origin, gender, gender identity or expression, sexual orientation, religion, physical or mental disability, medical condition (including pregnancy, childbirth, or a medical condition related to pregnancy or childbirth), genetic information, marital status, veteran status, or any other characteristic protected by federal, state or local law.
Greenlight is committed to an inclusive work environment and interview experience. If you require reasonable accommodations to participate in our hiring process, please reach out to your recruiter directly or email accomodations@greenlight.me.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
Key skills/competency:
- Senior Software Engineer
- Developer Experience
- AI Tooling
- CI/CD Pipelines
- Performance Testing
- Platform Engineering
- DevOps
- Kotlin
- TypeScript
- AWS
Skills & topics
- Senior Software Engineer
- Developer Experience
- DevEx
- AI
- Machine Learning
- LLM
- CI/CD
- GitHub Actions
- ArgoCD
- Kotlin
- TypeScript
- Node.js
- AWS
- Kubernetes
- Platform Engineering
- DevOps
- Performance Testing
- Observability
- Fintech
- Software Development
How to get hired
- Tailor your resume: Highlight experience in developer tooling, platform engineering, DevOps, and AI integration. Quantify achievements in improving developer productivity or accelerating delivery.
- Showcase AI passion: Emphasize your proactive approach to applying AI to real engineering problems in your resume and cover letter.
- Prepare for technical questions: Be ready to discuss your experience with Kotlin, TypeScript, AWS, Kubernetes, CI/CD tools, and AI technologies.
- Demonstrate systems thinking: Articulate how you approach complex problems, navigate architecture, and understand individual engineer pain points.
- Highlight communication skills: Prepare examples of how you translate technical insights into business-relevant recommendations for leadership.
Technical preparation
Master Kotlin, TypeScript/Node.js, and AWS.,Deepen Kubernetes, Helm, and CI/CD knowledge.,Practice AI integration in development workflows.,Prepare performance testing and observability scenarios.
Behavioral questions
Describe a time you improved developer productivity.,How do you apply AI to solve engineering problems?,How do you communicate technical findings to leadership?,Share an experience mentoring engineers in a distributed team.
Frequently asked questions
- What is the role of AI in the Senior Software Engineer, Developer Experience position at Greenlight?
- The Senior Software Engineer, Developer Experience at Greenlight will leverage AI to transform developer infrastructure. This includes integrating AI tooling like LLMs and agentic workflows into CI/CD pipelines, building AI-assisted automation for test generation and code review, and designing intelligent observability solutions using AI. The role also involves evaluating and adopting emerging AI developer tools to enhance the engineering process.
- What are the primary responsibilities of a Senior Software Engineer, Developer Experience at Greenlight?
- The primary responsibilities include designing, building, and maintaining reusable developer tooling, enabling a smooth local development experience, building robust CI/CD pipelines, identifying and eliminating workflow bottlenecks, and enforcing code reusability standards. A significant part of the role involves integrating and optimizing AI tooling to accelerate delivery and improve reliability.
- What specific technologies are used by the Developer Experience team at Greenlight?
- The Developer Experience team at Greenlight utilizes technologies such as Kotlin, TypeScript/Node.js, AWS, Kubernetes, Ambassador, Helm, GitHub Actions, and ArgoCD for continuous delivery. Experience with AI tools, LLMs, agentic workflows, and observability platforms like Datadog is also crucial.
- How does Greenlight support employee growth and development in this role?
- Greenlight offers professional development stipends to support continuous learning. The company also fosters a culture of mentorship, particularly in a cross-geography setup, allowing senior engineers to lead and guide peers. The emphasis on AI also presents a significant opportunity for skill development in emerging technologies.
- What is Greenlight's approach to performance and reliability in this Senior Software Engineer role?
- Greenlight places a high bar on performance and reliability. This role is critical in ensuring that every release meets these standards. Responsibilities include designing and executing comprehensive performance testing strategies, validating stability and scalability, performing root-cause analysis on bottlenecks, and communicating performance insights to leadership.
- Can I work remotely for this Senior Software Engineer, Developer Experience position at Greenlight?
- Greenlight offers flexible WFH opportunities, supporting both remote and in-office arrangements. The company is experienced in managing cross-geography teams, suggesting that remote work is a viable option for this role.