Job Description

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

Full Stack Developer – Senior Consultant

(Python | Azure | PostgreSQL/PostGIS | React | Optimization Systems)

A Full Stack Senior Consultant is responsible for designing, developing, and supporting end to end solutions across frontend, backend, optimization engines, and Azure cloud infrastructure for the Drill & Blast System (DBS). The role requires strong technical depth, solution ownership, and the ability to translate complex domain requirements into scalable, production ready systems.

The Senior Consultant operates as a technical owner at feature or workstream level, mentor to consultants, and key contributor to architectural decisions.

Key Responsibilities

Backend & API Development

• Design, develop, and maintain RESTful APIs using Python (Flask).
• Implement domain driven backend logic for:
  • Blasts, drill/blast domains, pattern designs, charge rules
  • Environmental controls, sensitive sites, simulations, optimization jobs
• Manage spatial data workflows using PostgreSQL with PostGIS
• Write and optimize database queries, migrations, and schemas.
• Integrate backend services with external systems (e.g., Vulcan, Foundry, MAS, ArcGIS, IHMP).
• Ensure API security, reliability, and performance.

Frontend Development

• Develop and enhance React (TypeScript) single page applications.
• Build performant and maintainable UI using:
  • React 19, Vite, TanStack Router & Query, Zustand
  • D3.js for spatial and geometry based visualization
• Integrate frontend components with backend APIs.
• Ensure usability, responsiveness, and correctness of spatial visualizations.
• Follow design system standards and UI best practices.

Optimization & Algorithm Integration

• Integrate and support optimization engines (Python based) for blast pattern design.
• Work with optimization workflows involving:
  • NumPy, SciPy, Shapely
  • Kuz Ram fragmentation models
  • Constraint based geometric solvers
• Coordinate execution of long running optimization jobs.
• Analyze and troubleshoot optimization failures and edge cases.

Azure Cloud & Background Processing

• Build and manage services deployed on Azure App Service, Azure Functions, and Static Web Apps.
• Implement background jobs and schedulers (e.g., availability checks, geology hardness jobs).
• Configure Application Insights and OpenTelemetry for monitoring and diagnostics.
• Troubleshoot production issues using logs, telemetry, and metrics.
• Support environment specific deployments (dev, qa, uat, prod).

Infrastructure & DevOps

• Contribute to IaC using Bicep and PowerShell.
• Work with Azure DevOps pipelines for CI/CD:
  • Build, deploy, integration testing, security scanning
• Support automation scripts and operational pipelines.
• Ensure secure configuration of secrets, authentication, and environments.

Quality, Testing & Governance

• Write and maintain unit, integration, and end to end tests.
• Support Postman collections and integration test suites.
• Participate in code reviews and enforce engineering standards.
• Ensure delivery meets performance, security, and maintainability expectations.

Technical Leadership & Collaboration

• Own delivery of assigned features or technical workstreams.
• Mentor Consultants and support junior developers.
• Participate in architecture and design discussions.
• Collaborate with product owners, domain experts, QA, and operations teams.
• Provide effort estimations and technical risk assessments.

Problem Solving Skills

• Ability to design and reason about complex distributed systems.
• Strong debugging capability across frontend, backend, database, and cloud layers.
• Analytical thinking for spatial data, optimization logic, and domain workflows.
• Proactive identification of performance, scalability, and reliability risks.
• Ability to resolve production issues under operational constraints.

Technical Skill Set

• Backend
  • Python (Flask), REST APIs
  • PostgreSQL / PostGIS (spatial data)
  • Database migrations (Flyway or equivalent)
  • Microservices and integration patterns

• Frontend
  • React, TypeScript
  • Vite, TanStack Router & Query
  • Zustand
  • D3.js (SVG, spatial visualization)

• Optimization
  • Python based optimization engines
  • NumPy, SciPy, Shapely
  • Constraint solving and geometry based logic

• Azure & DevOps
  • Azure App Service, Azure Functions, Static Web Apps
  • Application Insights, OpenTelemetry
  • Azure DevOps Pipelines
  • Bicep, PowerShell (IaC)
  • Git based workflows

• Security & Authentication
  • Azure AD / MSAL
  • Secure API and service to service communication

Senior Consultant Expectations

• Works independently with minimal supervision.
• Takes end to end ownership of technical deliverables.
• Leads by example through high quality hands on contribution.
• Influences technical decisions within the program.
• Coaches others and elevates overall team capability.

EY | Building a better working world

EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets.

Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.

Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.