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Role- QA Test Analyst (.Net & C#)

Key Responsibilities

Develop and execute detailed test plans and test cases across both the legacy Oracle-based platform and the new C#/.NET services.Validate that the re-engineered C# logic faithfully reproduces the functionality of existing Oracle PL/SQL procedures, triggers, and packages.Perform end-to-end data validation to ensure consistency and correctness during the migration.Collaborate with developers, DBAs, and business analysts to extract requirements, define expected behaviour, and identify test coverage needs.Support regression, integration, and system-level testing in a hybrid environment where both platforms co-exist temporarily.Assist with implementing or optimising automated testing tools and frameworks to enhance test repeatability and efficiency.Document test outcomes clearly, raise defects with actionable detail, and contribute to tracking and resolution workflows.Help shape QA best practices and contribute to quality standards for phased migration projects.

Required Skills & Experience

3+ years of experience in software quality assurance, with involvement in enterprise-scale or migration-driven initiatives.Strong understanding of database-centric testing, including SQL querying, data reconciliation, and stored procedure validation.Familiarity with Oracle PL/SQL and experience validating its logic during transformation into .NET-based systems.Experience in migration of databases.Proficient and experienced in developing test plans comparing legacy and new system results to ensure no issues once a solution has migrated to the new platform/s.Experience working in hybrid environments where legacy and modern components run in parallel.Proficiency in designing and executing both manual and automated backend and integration-level tests.Strong attention to detail, analytical thinking, and problem-solving skills.Clear communicator, comfortable working across cross-functional teams and documenting complex scenarios.

Desirable Skills

Exposure to QA in both PHP and .NET environments.Experience with test automation tools or frameworks (e.g., Postman, Selenium, JMeter, or similar).Familiarity with AI-assisted tools for test generation, code analysis, or quality monitoring.Understanding of ETL processes and experience validating data transformations or pipeline behaviours.Background in agile delivery methods and working within sprint-based or iterative development cycles.

GCS is acting as an Employment Business in relation to this vacancy.

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Role: Sr Developer C# .Net Developer

Type: Contract (Inside IR35)

Nature: Hybrid (1 day per week in Nottingham)

Overview of the role-

Required Skills & Experience

5+ years of experience in .NET/C# development, with a strong focus on backend 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 (e.g., 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.

GCS is acting as an Employment Business in relation to this vacancy.

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Hi,

We are hiring for below:

JOB DESCRIPTION:

🚀 Now Hiring: Role: Senior Oracle Developer - Oracle to .NET (C#) Migration Project

Type: Contract Inside IR35
Location : Nottingham[ 1 day in office / week - Hybrid ]

Rate : £500 - 560 p/d Inside IR35

Job Description

Required Skills & Experience

5+ years of experience developing in Oracle PL/SQL, including deep knowledge of stored procedures, triggers, and packages.Proven experience in migrating business logic from Oracle to .NET (C#), with a focus on re-architecture rather than direct translation.Strong understanding of Oracle internals and how database logic integrates with external systems.Experience migrating data from Oracle to other databases especially Postgres/MySQL.Ability to work collaboratively in a cross-functional team environment.Strong problem-solving ability and attention to technical detail.Excellent communication skills, with the ability to document and explain complex systems clearly.

GCS is acting as an Employment Business in relation to this vacancy.

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As a Lead Security Control Assessor, you will be responsible for leading the assessment and evaluation of security controls across systems and processes both on-premise and in the cloud, to ensure they effectively mitigate risks and comply with regulatory and industry standards. You will oversee and conduct security control testing, to verify the design, implementation, and operational effectiveness of controls. In this role, you will work in an agile environment, ensuring the quality of security assessments through thorough testing, automation, and collaboration with cross-functional teams and various stakeholders.

Summary of Primary Responsibilities

Design and deliver repeatable testing methodologies to support control assurance testing, including automated testing steps for cloud environments.Ensure control tests are well-planned, including risk identification, sampling, selection of controls, testing methods, and reporting criteria.Lead control testing teams to perform design and operating effectiveness testing of information security controls, including fieldwork, testing, and reporting activities.Provide quality assurance for control testing documentation produced during testing, ensuring accurate and timely completion of all required control testing documentation.Identify and document control deficiencies, including root causes, risk descriptions, consistent issue ratings, and recommendations for improvement.Create and present reports of control testing findings to stakeholders, socialising any findings effectively.Serve as the primary contact with business stakeholders for the controls tests you lead, ensuring the quality of control testing engagements and stakeholder communications, including regular status updates.Contribute to the efficiency of the control testing program by ensuring KPIs are measurable, that testing materials are standardised.

Requirements:

A bachelor's degree in computer science, management information systems, relevant field, or equivalent demonstrable experience.3+ year's experience leading a team of control assessors.8+ years of experience performing IT Audit or Information Security control assessments, with specific experience in testing cloud security controls.Professional certification such as CISA, CISM, CISSP, ISO 27001 Lead Auditor, or equivalent.Knowledge of industry standards and frameworks such as NIST 800-53, ISO 27001/27002, CIS Controls, COBIT.Experience with current automated and manual industry methods for evaluating security controls on Perm and in cloud environments.Capable of communicating complex information in an organised manner, both verbally and in writing.Skilled in utilising stakeholder feedback to improve existing processes and future engagements.Strong relationship management skills, demonstrating commitment to delivering quality results.

Technical Skills

Knowledge of security controls provided by tools such as Sailpoint, Rapid7, Wiz.io, MS Defender a plus.Experience with cloud security controls within environments such as AWS and Azure.Experience leveraging automation, data driven testing techniques and generative AI to gain efficiency in control assurance.Experience creating queries and reports using RSA Archer and Service-Now.Familiarity with Kanban boards and Jira.

Desired Competencies:

Big 4 accounting experience preferred.Strong knowledge of cybersecurity principles and organisational requirements relevant to confidentiality, integrity, availability, authentication, and non-repudiation.Ability to apply security governance, risk, and control principles.Proficiency in automation and data analytics tools (e.g., Excel, Tableau, Alteryx, and Power-BI).Ability to apply critical reading/thinking skills to identify systemic issues from analysing testing data.Ability to facilitate small to medium sized group meetings and communicate complex ideas.Agile working methodology experience.

GCS is acting as an Employment Business in relation to this vacancy.

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My financial services client are looking for a Software Developer to join their team on an initial 6 month contract role.

This will be a inside IR35 role, with site visit couple times a month (either their Nottingham or London office)

Key Experience:

Practical experience working with AB testing Technologies (we use Conductrics but experience with other equivalent tools such as AB Tasty or Adobe Target also acceptable)Minimum 5 years' development experience with React or React based frameworks such as Next.JS, JavaScript (ES6+), TypeScript, Node.JS, Redux, Express and SCSS / Styled components.Development experience working with a Microservice architecture consuming REST and GraphQL APIs.

This is an urgent role- Please share your cv to [email protected]

GCS is acting as an Employment Business in relation to this vacancy.

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