Lead Builder (Power Apps)

Synechron; Greater London; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Synechron in London is seeking a senior Lead Builder to design, develop and evolve modern business applications within an AI-assisted delivery environment, turning business needs into working software through rapid iteration and close collaboration with product, design and technical stakeholders.

This engineering-led builder role requires hands-on SPA development and C#/.NET expertise, plus practical delivery of Power Apps Code Apps.

Qualifications

• SPA development: strong experience building component-based web applications with proper architecture and accessibility.
• C#/.NET engineering: hands-on experience designing and implementing application logic and services.
• Power Apps Code Apps: applying code-first development within Power Apps Code Apps.

Responsibilities

• Design, develop and evolve modern business applications in an AI-assisted delivery environment.
• Turn business needs into working software through rapid iteration and engineering judgement.
• Collaborate with product, design and technical stakeholders to deliver solutions.
• Work across front-end, back-end services and Power Platform-based solutions in a code-first approach.

Skills

SPA development

C#/.NET engineering

Power Apps Code Apps

Software delivery lifecycle

Stakeholder collaboration

Tools

Power Apps Code Apps

C#/.NET

Job description

Job Role: Lead Builder (SPA - Power Apps Code Apps)

Job Location: London, UK

Experience: Open for Builder & Lead Builder role

Work Type: Hybrid

About Company

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 14,700+ and has 55 offices in 20 countries within key global markets. For more information on the company, please visit our website or LinkedIn community.

Diversity, Equity, and Inclusion

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and an affirmative-action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

Role Summary

This role is for a senior builder who can design, develop and evolve modern business applications in an AI-assisted delivery environment.

The focus is on turning business needs into working software through rapid iteration, sound engineering judgement and close collaboration with product, design and technical stakeholders.

This is an engineering-led builder role.

It requires strong hands-on capability in Single Page Application (SPA) development and C#/.NET engineering, alongside practical experience delivering applications using Power Apps Code Apps.

It is not suited to configuration-only or low-code-only profiles.

Role overview

The successful candidate will work as a senior individual contributor within a modern software delivery model that combines product thinking, engineering discipline and effective use of AI assisted tooling. They will be expected to shape solutions, build production-grade application components, contribute to technical direction and help accelerate delivery through reusable patterns, strong collaboration and high-quality implementation.

The role spans front-end application development, back-end service development and delivery within Power Platform-based solutions where code-first capability is required.

The person in role should be comfortable operating across the lifecycle from discovery and design through to build, test, release and ongoing improvement.

Core technical requirement

• SPA development: strong experience building component-based web applications, including client-side architecture, routing, state handling, asynchronous API interaction, UI responsiveness, accessibility and maintainable front-end code structure.
• C#/.NET engineering: strong experience designing and implementing application logic and services using C#, including API development, application layering, dependency management, asynchronous programming, validation, error handling, logging, secure coding and automated testing.
• Power Apps Code Apps: practical experience applying software engineering practices within Power Apps Code Apps, including extending and shaping application behavior through code rather than relying only on visual configuration.
• Proven professional experience delivering production-grade applications or services using C#/.NET.
• Hands-on experience with Power Apps Code Apps.
• Experience working across the full software delivery lifecycle, from early shaping through build, test, release and improvement.
• Experience collaborating with both technical and non-technical stakeholders to define and deliver solutions.
• Experience working in iterative delivery environments with evolving requirements and regular feedback loops.
• Ability to make pragmatic technical decisions while maintaining engineering quality.

Preferred experience

• Experience delivering applications in regulated or control-conscious environments.
• Experience with enterprise integration patterns and secure API-based architectures.
• Experience supporting reusable engineering patterns, standards or shared component approaches.
• Experience mentoring other engineers or providing technical leadership within delivery teams.
• Experience using AI-assisted development practices in a controlled and effective way.