Senior Developer Web application

Open 19d

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 & 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 (GitHub Actions, Azure DevOps)

  • Manage cloud deployments on Azure / AWS — AKS, App Services, serverless

  • Implement Docker & Kubernetes-based microservices infrastructure

  • Own application security: OWASP, OAuth 2.0, JWT, Azure AD, Key Vault

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

Required Skills & Experience

  • 8–10 yrs in web application development with a strong delivery track record

  • Strong in Next.js and .NET / ASP.NET Core — full-stack and backend services

  • Backend: service-oriented design, event-driven architecture, async processing

  • PostgreSQL — advanced queries, indexing, partitioning, performance tuning, migrations

  • SQL Server — T-SQL, stored procedures, query optimisation, schema management

  • ORMs: Entity Framework Core and/or Dapper

  • Cloud: Azure (preferred), AWS, or GCP — PaaS, IaaS, serverless

  • CI/CD: GitHub Actions, Azure DevOps, GitLab CI, or Jenkins

  • Containers: Docker, Kubernetes at scale

  • Security: OWASP Top 10, secure SDLC, GDPR / ISO 27001 awareness

  • Agile / Scrum team leadership or co-lead experience

  • Strong stakeholder communication and project management skills

Nice to Have

  • Azure (AZ-204 / AZ-400), AWS, PMP, or PRINCE2 certifications

  • NoSQL: MongoDB, Redis, CosmosDB

  • GraphQL / gRPC; APM tools (Datadog, New Relic, App Insights)

  • IaC: Terraform, Bicep, ARM templates