Senior Developer Web application

Tasks

Senior technical leader to co-manage the web engineering team, owning hands-on full-stack development, backend services, database design, cloud operations, delivery, and stakeholder engagement across enterprise Next.js/React and .NET applications.

Will lead the set of external team members for project delivery:

Lead and mentor a team of full-stack and backend engineers.

Hands-on development in Next.js and .NET / ASP.NET Core.

Architect backend services: REST APIs, background workers, message queues, middleware.

Design and optimise PostgreSQL and SQL Server schemas, indexes, stored procedures, query tuning.

Manage data access via Entity Framework Core, Dapper, or raw SQL as appropriate.

Design and maintain CI/CD pipelines using GitHub Actions or Azure DevOps.

Manage cloud deployments on Azure or AWS, including AKS, App Services, and serverless infrastructure.

Implement Docker and Kubernetes-based microservices infrastructure.

Own application security regarding OWASP, OAuth 2.0, JWT, Azure AD, and Key Vault.

Drive Agile delivery cadence, sprint planning, and stakeholder reporting.

Qualifications

Required Skills & Experience

8–10 years in web application development with a strong delivery track record.

Strong expertise in Next.js and .NET / ASP.NET Core, including full-stack and backend services.

Backend experience in service-oriented design, event-driven architecture, and async processing.

PostgreSQL: advanced queries, indexing, partitioning, performance tuning, and migrations.

SQL Server: T-SQL, stored procedures, query optimisation, and schema management.

Experience with ORMs like Entity Framework Core and/or Dapper.

Cloud expertise in Azure (preferred), AWS, or GCP, including PaaS, IaaS, and serverless architectures.

Proficient in CI/CD tools such as GitHub Actions, Azure DevOps, GitLab CI, or Jenkins.

Experience with containers and orchestration tools, including Docker and Kubernetes at scale.

Knowledge of security practices such as OWASP Top 10, secure SDLC, and GDPR / ISO 27001 awareness.

Experience in Agile or Scrum team leadership or co-leadership.

Strong stakeholder communication and project management skills.

Nice to Have

Certifications in Azure (AZ-204 / AZ-400), AWS, PMP, or PRINCE2.

Experience with NoSQL databases like MongoDB, Redis, or CosmosDB.

Knowledge of GraphQL or gRPC and APM tools such as Datadog, New Relic, or App Insights.

Experience with IaC tools like Terraform, Bicep, or ARM templates.