Sr. Software Engineer I

At Greenlight Guru, we help the world’s most innovative medical device companies bring high-quality, life-changing products to market faster. We serve 1000+ global customers with our quality management and clinical data capture software, helping them get their products on the market and keep them there. When you join the team at Greenlight Guru, you’ll be a part of a collaborative, mission-driven team working in one of the most exciting and rewarding industries on the planet. Backed by JMI Equity, one of the premier growth equity firms for SaaS companies, Greenlight Guru is growing—and looking for individuals who are difference makers. Is that you? Summary: We are seeking a highly capable Senior Software Engineer to deliver high-quality, scalable software solutions across complex systems. This role requires a deep understanding of modern cloud-native technologies, ownership over technical delivery, and a collaborative mindset to influence both peers and product direction. You’ll work closely with engineers, product managers, and designers to build impactful features that serve our customers reliably at scale. Responsibilities: Lead and contribute to multiple concurrent engineering efforts Work both independently and collaboratively to drive technical solutions and deliver high-quality outcomes Design and build modern, responsive front-end applications using frameworks such as React, ensuring exceptional user experience and performance across devices Take ownership of features from planning through delivery by proactively estimating scope, lead implementation with minimal guidance, and provide thoughtful, high-quality code reviews that elevate the team’s output Design performant, scalable, and reliable software, considering both functional and non-functional aspects Understand data flow, established patterns, and functional needs to inform development Create a plan for your work by gathering information from your squad and the broader R&D organization Develop software that meets our internal standards of quality Make daily code contributions in small, manageable chunks, with continuous integration in mind Fix major issues, defects and vulnerabilities in existing codebases Create and update unit tests to ensure proper coverage of your contributions to the code base and maintain the coverage standard Proactively raise the bar for engineering quality by defining and evolving coding standards, workflow processes, performance benchmarks, and observability practices Leverage observability best practices to define monitors and alerts that ensure real-time insight into the operational health of production systems Diagnose and fix performance and optimization problems in legacy code Partner with engineers and R&D stakeholders across teams to ensure effective collaboration and deliver results that move the business forward Teach and provide guidance to others in your area of expertise Participate in resolving, and sometimes lead the resolution of, after-hours Production incidents Demonstrate your project work and product contributions Qualifications: 4+ years of professional software development experience Proficient in building front-end applications with React or similar modern JavaScript frameworks Proven ability to collaborate in the design, integration, and delivery of AI-powered features in a SaaS product Hands-on experience with large language models (LLMs), generative AI APIs, and intelligent automation to deliver differentiated customer value Solid foundation in cloud-native software architecture and development Familiarity with technology stacks and architectures similar to Greenlight Guru's Fluency with REST, RPC, and GraphQL APIs Skilled in writing unit and integration test suites Comfortable working within continuous integration pipelines and automation workflows Excellent written and verbal communication skills, with a strong emphasis on active listening Highly collaborative with exceptional interpersonal skills Data-drive…