Senior Full Stack Engineer, .NET/React – AI Services

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🔥 0 minutes ago

🇪🇺 Europe – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

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• No salary listed.

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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

• Design, build and run full-stack features in the Sales domain using .NET services, event-driven integrations and React frontend • Work with the Product Owner and QA from discovery onwards • Shape specifications and agree acceptance criteria before coding • Identify specification gaps, resolve small ones, and escalate business questions to the Product Owner • Use AI tools across planning, design, development, testing, review and maintenance while applying human judgment to correctness, security and data protection • Own quality through unit and integration tests, code review, performance, security and observability requirements • Monitor telemetry and usage after release, support releases, investigate incidents and close the loop with the product team • Contribute to architecture discussions and decision records with the Tech Lead and architects • Help reduce technical debt in sales flows • Mentor engineers and share effective AI instructions, checks and tools • Understand clinic users and business problems behind features • Propose simpler alternatives when they provide most of the value • Explain technical trade-offs in business terms • Review usage, support tickets and customer feedback after release and inform future iterations

🎯 Requirements

• Typically 5+ years of software engineering experience with a strong track record of building and running production systems • Strong hands-on experience with C# and modern .NET, including ASP.NET Core and Web APIs • Entity Framework / Entity Framework Core • Clean Architecture and maintainable application design • Solid frontend development experience using React and TypeScript, particularly for complex business applications • Practical experience designing and developing microservices architectures • Understanding of asynchronous communication and event-driven systems, ideally using Azure Service Bus, MassTransit, or similar technologies • Strong SQL database experience, including relational data modelling and transactional business data • Experience with API design, automated testing, debugging, and security fundamentals • Hands-on experience using AI coding agents in everyday development • Ability to demonstrate practical AI-assisted development workflows, including reviewing AI-generated code, identifying mistakes, and understanding when AI should not be used • Strong product mindset with examples of contributing to feature definition, understanding business needs, and influencing technical and product decisions • Good command of English (B2 or above), written and spoken • Python for AI tooling, evaluations and prototypes (nice to have) • Features built on LLM APIs: prompting, tool use, and measuring result quality (nice to have) • Experience in regulated domains or with sensitive personal data (nice to have) • AKS / Kubernetes (nice to have) • Experience improving developer tooling, CI/CD or AI agent setups used by other engineers (nice to have)

🏖️ Benefits

• Work from wherever you are; professionals worldwide • Flexible remote working conditions • Impactful projects across industries • Continuous learning and development opportunities • Hands-on experience • Collaboration with a diverse and cross-cultural team

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