Backend Engineer

• Join us in an exciting opportunity as a Backend Engineer, where you will become an integral part of an extraordinary team of engineers dedicated to shaping the future of software at Ketryx
• In this dynamic role, you will contribute to a small, highly motivated team, actively steering projects to successful completion
• In this role, you will play a pivotal role in shaping the technological landscape, assuming ownership of critical technology decisions and roadmaps
• With a self-starting attitude and a robust hands-on mentality, you will be at the forefront of tackling complex problems and driving innovation. Embracing agile working models, you will foster ideation, envision future possibilities, and address detailed improvements concurrently, contributing to Ketryx’s commitment to reinventing how medical device manufacturers bring life-saving innovations to market
• Your innate inquisitiveness, coupled with an unwavering enthusiasm for challenging assumptions, sets you apart
• Your commitment to driving innovation aligns seamlessly with the ethos of our team, making you an invaluable asset in shaping the future of software at Ketryx
• You are driven by a genuine love for software, a desire to improve patient outcomes, and the excitement of navigating cutting-edge challenges
• Build features end to end — API design, business logic, and integrations between the Ketryx platform and external systems and workflows. Contribute to improving latency, throughput, and fault tolerance across the backend stack
• Design and evolve PostgreSQL schemas, write efficient queries, and apply indexing strategies to keep the database performant as the product grows
• Write clean, well-tested code and contribute to standards around migrations, documentation, and testing
• Participate in monitoring, debugging, and incident response. Help identify performance bottlenecks and reliability issues, and contribute fixes
• Take features across the finish line in our React/Next.js frontend — you won’t own the design system, but you should be comfortable building the UI for the backend work you ship
• Engage directly with customers, collect feedback, and shape product features with designers, product managers, and the Boston team (Pre-Sales, Sales, Post-Sales, Marketing). Provide technical support to customers alongside Client Operations
• Our Tech Stack:
• Frontend: TypeScript, React, Next.js, Tailwind
• Backend: PostgreSQL, Redis, GraphQL, Prisma
• Testing: Vitest, Playwright, Cucumber
• Infrastructure: AWS (e.g. S3, RDS, ECS), Datadog
• Collaboration: Slack, GitHub, Figma, Jira, Confluence
• Keywords: engineer, fullstack, full-stack, full stack, frontend, front-end, front end, back-end, back end, backend

Benefits

• Flexible locations and working hours

• If you’re reliable, detail-oriented, and ready to contribute to a global team, you could be a part of our mission to create safe and reliable medical software!
• The ideal candidate is someone who possesses a deep passion for software and a profound desire to contribute to enhancing patient treatments through technological innovation
• With excellent communication skills in both spoken and written English, you thrive in collaborative environments, where the exchange of ideas is paramount
• As a self-starter, you relish the opportunity to excel in a fast-paced startup environment, taking ownership of technology decisions and roadmaps
• 3+ years of full-time industry experience building production web applications, with a focus on backend development
• Solid understanding of backend maintainability, including refactoring and managing technical debt
• Solid skills in TypeScript
• Ability to work in a fast-moving startup environment, taking ownership of features and pushing them forward
• Working knowledge of React, enough to build and modify UI for the features you own
• Comfortable collaborating across teams in English and participating in technical discussions and design review
• Experience with PostgreSQL or a comparable relational database: schema design, writing efficient queries, and basic performance tuning
• Experience with GraphQL (urql or Apollo)
• Experience with Prisma and Next.js
• Familiarity with AWS services like S3, RDS, and ECS
• Familiarity with Docker in production or near-production environments
• Strong testing habits (Vitest, Playwright, Cucumber)
• Prior experience with logging and observability tools such as Datadog, AWS CloudWatch, or Sentry
• Experience building AI-related features, particularly for large language models
• Experience working in regulated industries like healthcare or finance