Senior Full-Stack Developer – .Net, React

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opinov8

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2017

💼 Consulting

🏥 Healthcare

📦 Logistics

Consulting • Healthcare • Logistics

opinov8 is a global digital and engineering solutions company specializing in custom software, cloud, and data services. Headquartered in London with development centers and remote teams across Ukraine, Egypt, Colombia, Portugal and the EU, opinov8 partners with businesses worldwide to accelerate digital transformation through custom engineering, cloud migrations, and data-driven solutions. The company operates as a remote-first B2B services provider serving clients across sectors such as finance, healthcare, logistics, and media.

📋 Description

• Build and maintain full stack features end-to-end: .NET backend services and React frontends that bring AI-powered capabilities into clinician workflows; • Integrate AI components (e.g., speech-to-text, LLM services) into Client's platform — handling the plumbing, error handling, and UX that make these services reliable in production; • Design and implement REST APIs, event-driven services, and microservice integrations within our Azure-hosted ecosystem; • Write clean, testable code and contribute to CI/CD pipelines, observability, and engineering quality practices; • Collaborate closely with the Team Lead, fellow engineers, and Product to break down requirements, estimate work, and ship iteratively; • Participate actively in a remote scrum team: sprint ceremonies, PR reviews, and knowledge sharing.

🎯 Requirements

• 5+ years experience with C# and modern .NET (.NET Core / .NET 6+) • 3+ years experience building frontends with React (TypeScript preferred) • Experience with backend patterns: REST APIs, async messaging, microservices • Cloud experience (Azure preferred) and solid engineering fundamentals (clean design, testing, CI/CD) • Comfort working autonomously in a remote, async-friendly team • Strong communication in English (B2+) • Familiarity with Python or willingness to pick it up over time (AI tooling, evaluation, and prototyping increasingly live in Python); AKS/Kubernetes, Azure Service Bus, Azure SQL, Azure AI Foundry; Experience integrating external AI/ML providers or services (speech-to-text, NLP/LLM APIs); Experience working in regulated domains or with sensitive data.

🏖️ Benefits

• Greenfield AI work with real patient impact • Remote-first, async-friendly culture • High engineering and product standards • A team that values depth over hype: production quality over flashy prototypes • A culture that values personal growth as much as business outcomes • Long-term engagement in a stable, growing SaaS company • Flexible environment with a flat organizational structure • A global, diverse, and highly skilled team across Denmark, Ukraine, UK, Poland, Canada, Australia, USA, and more.