Software Architect in Colchester

Andela exists to connect brilliance and opportunity. Since 2014, we have been dedicated to breaking down global barriers and accelerating the future of work for both technologists and organizations around the world. For technologists, Andela offers competitive long-term career opportunities with leading organizations, access to a global community of professionals, and educational opportunities with leading technology providers.

At Andela, we’re deeply passionate about creating long-lasting and transformative growth opportunities for all - and doing it in an E.P.I.C. way! We’re excited to continue building our remote-first team with incredible people like you. After applying for this role, you will join our Andela Community of brilliant technologists by passing a technical screening and live interview. As a community member, you’ll have access to a multitude of exclusive technologist roles.

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About the client: A global energy technology organization focused on supporting the world’s growing energy needs while accelerating the transition to more sustainable and reliable energy systems. Operates across the full energy value chain, from conventional power to renewables, grid technology, and energy storage. Known for large-scale, mission-critical platforms that support energy infrastructure worldwide and emphasize reliability, security, and long-term impact.

About the role: This is a senior-level role within a long-standing, business-critical remote monitoring software platform. The position combines responsibility for maintaining a complex legacy system with leading a major modernization initiative. The engineer will act as a technical bridge between current architectures and a future cloud-native, domain-driven platform. The role requires strong backend, frontend, cloud, and infrastructure expertise in highly regulated, high-availability environments.

Responsibilities:

• Maintain, troubleshoot, and optimize a 10-year-old .NET and SQL Server codebase to ensure 99.9% uptime for remote monitoring services.
• Lead the refactoring and gradual replacement of monolithic modules into modern microservices using .NET 6+, MongoDB, and Domain Driven Design (DDD).
• Develop and migrate user interfaces to a modern, responsive Angular framework.
• Own and manage the operational environment across legacy Windows Servers and modern Linux (Debian/RedHat) systems.
• Drive adoption of AWS cloud services and containerization using Kubernetes.
• Build, maintain, and improve CI/CD pipelines using Azure Pipelines.
• Implement and maintain automated testing using NUnit and SpecFlow.
• Ensure all software meets strict security, quality, and compliance requirements for critical energy infrastructure.

Must have skills:

• 7+ years of overall professional software engineering experience.
• Strong expertise in .NET (6+), including ASP.NET and ADO.NET.
• Extensive experience with Microsoft SQL Server (2016+).
• Commercial experience with Angular for complex Single Page Applications.
• Hands-on experience with AWS (compute, storage, and networking services).
• Experience deploying and managing applications in Kubernetes.
• Proficiency with CI/CD practices and Azure Pipelines.
• Test automation experience using NUnit and SpecFlow.
• Strong understanding and practical application of Domain Driven Design (DDD).
• Experience administering Windows Server and Linux (Debian or Red Hat).
• Solid understanding of secure coding practices and compliance standards.
• Ability to work effectively in Agile environments (Scrum/Kanban).

Nice to have skills:

• German language skills.
• Prior experience in modernizing large, mission-critical legacy systems.
• Exposure to highly regulated or industrial software environments.

Conditions:

• 100% remote role, primarily aligned to the UTC+0 time zone.
• Contractor role, 12-month contract, renewable.
• Full-time dedication (40 hours/week).

At Andela, we know our strengths lie in our diverse community whose talents, perspectives, backgrounds and orientations we take pride in. Andela is committed to nurturing a work environment where all individuals are treated with respect and dignity. Everyone has the right to work in a professional atmosphere that promotes equal employment opportunities and prohibits discriminatory practices. Andela provides equal employment opportunities to all employees and applicants without regard to factors including but not limited to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, pregnancy (including breastfeeding), genetic information, HIV/AIDS or any other medical status, family or parental status, marital status, amnesty or status as a covered veteran in accordance with applicable federal, state and local laws.