Start date: ASAPLanguages: Fluent English requiredIndustry: SaaS / MedTechAbout The RolePragmatike is recruiting on behalf of a fast-growing SaaS company building a modern healthcare platform used by medical professionals. As the product continues to scale, the engineering team is expanding to support increasingly complex integrations, security requirements, and platform reliability.We are looking for a Senior Full Stack Engineer with strong backend expertise in NestJS to help design, build, and scale the core platform. This is a highly technical, hands-on role where you'll own backend architecture, develop reliable distributed systems, and collaborate closely with frontend and product teams to deliver high-quality features.The ideal candidate has a strong product mindset, thrives in startup environments, and actively leverages AI-assisted development to improve engineering velocity while maintaining high code quality.Your ResponsibilitiesDesign, develop, and maintain scalable backend services using NestJSArchitect APIs, caching layers, queues, and distributed services for high-performance SaaS applicationsBuild and maintain integrations with third-party systems using REST APIs (SOAP experience is a plus)Collaborate closely with frontend and product teams to deliver end-to-end product featuresImprove application performance, reliability, scalability, and maintainabilityContribute to engineering best practices, code quality, and technical architecture decisionsLeverage AI-assisted development workflows to accelerate implementation, testing, and debuggingTake ownership of features from design through production in a fast-moving startup environmentRequired Qualifications5+ years of experience building production SaaS applicationsStrong expertise with NestJS (mandatory)Experience with Redis, caching strategies, and queuing systems such as RabbitMQ or equivalentStrong experience with TypeORMGood knowledge of Next.js and Tailwind CSSProven experience designing and integrating REST APIsExperience building scalable backend systems with asynchronous architecturesFluent English with strong communication skillsAbility to effectively use AI coding assistants to accelerate development and debugging workflows. Familiarity with open-source AI frameworks and modern coding assistants such as Claude Code, Cursor, GitHub Copilot, Codex, or similar is a MUST. Ownership mindset with the ability to work independently in a remote-first environmentPreferred QualificationsFrench language skillsExperience building Chrome ExtensionsBackground in MedTech or Healthcare SaaSKnowledge of end-to-end encryptionExperience integrating SOAP services alongside REST APIsMobile development experience, particularly with React NativeExperience introducing AI-assisted or agentic development workflows across engineering teamsAI-First EngineeringAI is an integral part of the engineering workflow. During the interview process, we'll explore how you use AI in real-world software development, including:We're looking for engineers who use AI as a force multiplier for software quality, productivity, and problem-solving, not simply as an autocomplete tool.Why Join UsJoin a product-focused engineering team building technology that supports healthcare professionalsTake ownership of core backend systems and influence technical architectureWork across modern backend infrastructure, frontend applications, and complex integrationsHelp shape engineering best practices in a fast-growing startup environmentCollaborate with a highly technical, remote-first team focused on shipping high-quality softwarePragmatike is committed to a fair, transparent, and inclusive recruitment process. We do not discriminate based on age, disability, gender, gender identity or expression, marital or civil partner status, pregnancy or maternity, race, religion or belief, sex, or sexual orientation.In accordance with GDPR, your personal data will be processed lawfully, fairly, and securely, and used solely for recruitment purposes, including sharing it with our client(s) for employment consideration. Show more Show less