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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Technical Lead Backend Developer - **Company:** Keystone Solutions - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Apache HTTP Server, Business Software, Code Review, Continuous Integration, Relational Databases, Software Design Patterns, DevOps, Entity Framework, Object-Oriented Software Development, Oracle (Applications), Software Architecture, SQL Databases, Java Application Server, Backend, Restful APIs, Programming Languages - **Published:** August 15, 2026 - **Apply:** https://www.careerjet.be/jobad/be6be7e24838c0b3d397739176fc2b37fa ## About the Role * Excellent mastery of programming languages and frameworks used by the company. * Experience in developing REST services (in .NET Framework and .NET 8+). * Proficiency in Entity Framework Core. * Strong knowledge of software architecture, object-oriented design, and design patterns. * Expertise in relational databases, particularly Oracle (version 19 and later) and SQL (version 2016 and later). * In-depth knowledge of cybersecurity and secure development best practices. * Familiarity with Apache ecosystem solutions for hosting Java applications. Behavioral Skills Required: * Leadership and ability to unite a team. * Excellent analytical and problem-solving skills. * Organizational skills and priority management. * Collaborative spirit and effective communication. * Results-oriented and quality-focused. ## Description We are seeking a Technical Lead Backend Developer to join the development teams for our core business applications. This position represents a consultancy mission at a client site, where you will be hired by Keystone Solutions to work on client projects. Responsibilities: As a Technical Lead, you will be responsible for: * Technical Leadership: * Ensuring the quality, maintainability, and performance of developments. * Establishing and promoting development standards, best practices, and quality tools. * Conducting or overseeing code reviews. * Ensuring continuous integration and adherence to DevOps best practices. * Maintaining compliance with IT security standards. * Team Guidance: * Supporting, coaching, and enhancing the skills of developers. * Providing technical assistance in solving complex problems. * Organizing the distribution of technical tasks within the team. * Encouraging collaboration and knowledge sharing. * Project Collaboration: * Working with project managers, business analysts, product owners, and other stakeholders. * Participating in workload estimation and development planning. * Identifying and anticipating technical risks. * Monitoring the progress of technical work. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Are Code Reviews Worth It? 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