Senior Full Stack Engineer – .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

• Design & develop scalable web APIs using C# and OOP principles, ensuring high performance, security, and maintainability across multi-threaded client and server environments. • Write and optimize SQL queries against MS SQL Server or cloud-based RDBMS solutions, applying strong data modeling and database design practices to support complex application needs. • Apply software architecture best practices, including design patterns, SOLID principles, and algorithmic problem-solving to both greenfield development and the improvement of existing codebases. • Build and consume RESTful web services and APIs, ensuring seamless integration between backend systems and front-end components within a distributed, cloud-aware architecture. • Champion code quality through thorough testing and debugging, conducting rigorous reviews of your own and teammates' code to uphold engineering standards and reduce technical debt. • Collaborate cross-functionally in an agile environment, working effectively with local and remote teams to deliver iterative solutions while maintaining a proactive, problem-solving mindset.

🎯 Requirements

• BS in Computer Science, Information Science, Engineering, or related field OR equivalent combination of education, training, and experience • Expertise in building web APIs using C# or related OOP languages • Experience writing code for multi-threaded environments; both client UI and server framework • Experience with SQL programming, MS SQL Server or similar RDBMS, or Cloud database technologies • Strong OOP design skills • Solid algorithmic skills and experience applying design patterns to both new and existing code • Working knowledge of using RESTful web services and APIs • Willingness to thoroughly test and debug code that you, or others, may write • Successfully work in a team environment and approach challenges with a problem solving, can-do, positive attitude • Experience working in an agile development environment with local and remote teams.

🏖️ Benefits

• Digital-First Approach: Great talent knows no borders! You can work from wherever you are — we hire and collaborate with professionals worldwide. • Remote Work Model: Balance your professional and personal life with our flexible working conditions, empowering you to deliver your best from anywhere. • Exciting Projects: Dive into impactful projects across industries that challenge and spark creativity. • Boost Your Expertise: Grow your career with continuous learning, development opportunities, and hands-on experience. • Join the Best Team Ever: Collaborate with our diverse and cross-cultural team of passionate technologists and creative thinkers.