Senior .NET/C# Developer (Oracle to PostgreSQL migration)

Senior .NET/C# Developer (Oracle to PostgreSQL migration)

Posted 1 day ago by Salt

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£600 Per day
Undetermined
Remote
London, UK
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.NET Framework Agile Methodology Artificial Intelligence Back End (Software Engineering) C# (Programming Language) Containerisation Continuous Integration and Continuous Delivery Data Access DevOps Domain Driven Design Finance Github Microservices Performance Tuning PHP (Scripting Language) PL/SQL PostgreSQL Reengineering Software Architecture Software Development SQL (Programming Language) Stakeholder Management

Summary: The role of Senior .NET/C# Developer focuses on leading the migration of a Legacy system from Oracle to PostgreSQL, requiring extensive re-engineering of stored procedures into C# code. The position involves collaboration with a team to ensure functional parity and support ongoing operations during the transition. The developer will utilize AI tools to optimize the migration process and contribute to the design of a hybrid architecture. This is a remote position for a duration of 6 months.

Key Responsibilities:

  • Collaborate with the existing team to re-engineer Oracle PL/SQL stored procedures into C# services.
  • Design and implement .NET-based components that integrate with both Legacy PHP systems and new PostgreSQL databases.
  • Work closely with business analysts and stakeholders to ensure functional parity and identify opportunities for enhancement.
  • Participate in the design of a hybrid architecture that supports phased migration.
  • Use AI-assisted tools to analyse, translate, and optimize Legacy code.
  • Support BAU operations during the migration period, ensuring system stability and continuity.
  • Contribute to code reviews, testing strategies, and documentation.

Key Skills:

  • 5+ years of experience in .NET/C# development, with a strong focus on Back End services and data access layers.
  • Proven experience in migrating Legacy systems, especially from Oracle to PostgreSQL or similar.
  • Strong understanding of PL/SQL and experience translating stored procedures into application logic.
  • Familiarity with PostgreSQL, including performance tuning and SQL dialect differences.
  • Experience working in hybrid environments where Legacy and modern systems coexist.
  • Comfortable using AI tools (eg, GitHub Copilot, ChatGPT, code translators) to assist in development and migration tasks.
  • Solid understanding of software architecture, design patterns, and integration strategies.
  • Excellent communication skills and ability to work collaboratively in a cross-functional team.

Salary (Rate): £600 daily

City: London

Country: UK

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

Senior .NET/C# Developer (Oracle to PostgreSQL migration) - Finance - Remote

Duration: 6 months

Rate: £500 - £600

Start: ASAP

My client is looking for a Senior Developer to join the team to help with a migration. They are undertaking a strategic transformation of a Legacy system built on PHP and Oracle, migrating to a modern architecture using PostgreSQL and .NET (C#). This is not a simple lift-and-shift; the project involves re-engineering over 240 Oracle stored procedures, some highly complex, into performant, maintainable C# code. The new system will coexist with the Legacy platform during the transition, requiring careful integration and support for business-as-usual (BAU) operations.

Key Responsibilities

  • Collaborate with the existing team to re-engineer Oracle PL/SQL stored procedures into C# services.
  • Design and implement .NET-based components that integrate with both Legacy PHP systems and new PostgreSQL databases.
  • Work closely with business analysts and stakeholders to ensure functional parity and identify opportunities for enhancement.
  • Participate in the design of a hybrid architecture that supports phased migration.
  • Use AI-assisted tools to analyse, translate, and optimize Legacy code.
  • Support BAU operations during the migration period, ensuring system stability and continuity.
  • Contribute to code reviews, testing strategies, and documentation.

Required Skills & Experience

  • 5+ years of experience in .NET/C# development, with a strong focus on Back End services and data access layers.
  • Proven experience in migrating Legacy systems, especially from Oracle to PostgreSQL or similar.
  • Strong understanding of PL/SQL and experience translating stored procedures into application logic.
  • Familiarity with PostgreSQL, including performance tuning and SQL dialect differences.
  • Experience working in hybrid environments where Legacy and modern systems coexist.
  • Comfortable using AI tools (eg, GitHub Copilot, ChatGPT, code translators) to assist in development and migration tasks.
  • Solid understanding of software architecture, design patterns, and integration strategies.
  • Excellent communication skills and ability to work collaboratively in a cross-functional team.

Desirable Skills

  • Experience with PHP, especially in Legacy systems.
  • Familiarity with DevOps practices, CI/CD pipelines, and containerization (Docker/Kubernetes).
  • Exposure to domain-driven design and microservices architecture.
  • Experience in agile development environments.

*Rates depend on experience and client requirements

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