Senior Developer - Dynamics 365 / UMAX Platform

SEFE Marketing & Trading Ltd; Manchester; On-site; GBP 75,000 - 110,000; Full time

Benefits offered by this job

Bonus potential

Pension 10% employer contribution

25 days holiday + BH & volunteering

Holiday buy/sell

Life & health insurance (family cover)

Flexible benefits

Job summary

SEFE Energy seeks a Senior Developer to design, develop, and deliver scalable Dynamics 365 and UMAX Platform solutions as part of a major technology transformation. You will build integrations with Salesforce and other enterprise apps, craft custom plugins and APIs, and optimise dataverse models for performance.

You will work with DevOps practices, CI/CD pipelines, and collaborative teams across IT and business to drive reliable deployments and continuous improvement.

Qualifications

• Proven experience developing solutions within Microsoft Dynamics 365 and Power Platform environments, with strong expertise in both Dynamics 365 and UMAX platforms.
• Strong software development skills using C#, .NET, JavaScript, plugins, APIs, and Power Platform technologies including Power Automate and model-driven applications.
• Solid understanding of Dataverse, solution architecture, data modelling principles, and enterprise integration patterns involving Salesforce, middleware, and third-party systems.
• Experience working with DevOps practices, Azure DevOps, CI/CD pipelines, solution management, and structured release processes.
• Analytical and solution-focused mindset with a passion for delivering scalable, secure, and maintainable applications that solve complex business challenges.
• Strong communication and stakeholder management skills with the ability to translate business requirements into effective technical solutions.

Responsibilities

• Design, develop, and maintain high-quality solutions across Dynamics 365, Power Platform, and the UMAX platform.
• Build and support integrations between Dynamics 365, UMAX, Salesforce, middleware platforms, and other enterprise applications.
• Develop custom plugins, workflows, APIs, JavaScript extensions, and Power Platform components.
• Design and optimise Dataverse data models, ensuring data integrity and performance across the landscape.
• Support CI/CD pipelines, release management processes, and ALM activities for deployments.
• Collaborate with analysts, QA, admins, delivery teams, and external partners to troubleshoot issues and improve capabilities.

Skills

Dynamics 365

Power Platform

UMAX platform

C#

.NET

JavaScript

Plugins

APIs

Power Automate

Model-driven apps

Dataverse

Solution architecture

Data modelling

Salesforce integration

Enterprise integration patterns

Azure DevOps

CI/CD

Release management

Analytical mindset

Stakeholder management

Communication

Tools

Azure DevOps

Job description

Senior Developer – Dynamics 365 / UMAX Platform

In short: As a Senior Developer – Dynamics 365 / UMAX Platform, you will play a pivotal role in designing, developing, and delivering scalable solutions across SEFE Energy’s Microsoft Dynamics 365 and Power Platform ecosystem. Working within a major technology transformation programme, you will leverage your expertise in Dynamics 365, UMAX, integrations, and modern development practices to build secure, maintainable, and high‑performing solutions that support critical business operations.

What Will You Do

• Design, develop, and maintain high‑quality solutions across Dynamics 365, Power Platform, and the UMAX platform, ensuring alignment with architectural standards and business requirements.
• Build and support integrations between Dynamics 365, UMAX, Salesforce, middleware platforms, and other enterprise applications to enable seamless business processes.
• Develop custom plugins, workflows, APIs, JavaScript extensions, and Power Platform components that deliver scalable and supportable solutions.
• Design and optimise Dataverse data models, ensuring data integrity, performance, and effective system architecture across the application landscape.
• Support CI/CD pipelines, release management processes, and application lifecycle management activities to enable efficient and reliable deployments.
• Collaborate closely with business analysts, QA teams, administrators, delivery teams, and external partners to troubleshoot issues, improve platform capabilities, and drive continuous improvement.

What Will You Bring

• Proven experience developing solutions within Microsoft Dynamics 365 and Power Platform environments, with strong expertise in both Dynamics 365 and UMAX platforms.
• Strong software development skills using C#, .NET, JavaScript, plugins, custom workflows, APIs, and Power Platform technologies including Power Automate and model‑driven applications.
• Solid understanding of Dataverse, solution architecture, data modelling principles, and enterprise integration patterns involving Salesforce, middleware, and third‑party systems.
• Experience working with DevOps practices, Azure DevOps, CI/CD pipelines, solution management, and structured release processes.
• Analytical and solution‑focused mindset with a passion for delivering scalable, secure, and maintainable applications that solve complex business challenges.
• Strong communication and stakeholder management skills with the ability to translate business requirements into effective technical solutions and work collaboratively across multi‑disciplinary teams.

Our Benefits

• bonus earning potential
• non‑contributory pension with 10% employer contribution
• 25 days holiday plus bank holidays and volunteering days
• buy / sell holidays
• life assurance medical and dental insurance (family cover)
• range of optional flexible benefits