Applications Developer Architect Senior

PFH Technology Group; United States; Remote; USD 166,000 - 221,000; Full time

Job summary

PFH Technology Group seeks a Senior Applications Developer Architect to lead the design, development, integration and governance of enterprise application solutions. The role focuses on secure, scalable architectures aligned with organisational objectives and regulatory requirements.

You will provide technical leadership across application architecture, software engineering, cloud technologies, and digital transformation while mentoring teams and collaborating with stakeholders and vendors.

Qualifications

• 10+ years in enterprise software development and delivery.
• 5+ years in Solution/Application Architecture roles.
• Strong .NET technologies including .NET Core and C#.

Responsibilities

• Lead architecture, design, and implementation of enterprise applications and digital services.
• Develop architecture roadmaps, standards, and governance frameworks.
• Design scalable, secure, and resilient solutions aligned with business needs.
• Produce and maintain solution design documentation.
• Lead application modernization and cloud transformation initiatives.
• Define and enforce software engineering standards and best practices.
• Design and implement enterprise integration solutions and APIs.
• Collaborate with stakeholders, teams, and vendors to deliver technology solutions.
• Conduct architecture and code reviews and ensure technical assurance.
• Support CI/CD, DevOps, and automation initiatives.
• Ensure compliance with security, data protection, governance, and regulatory requirements.
• Provide mentoring and knowledge transfer to development teams.

Skills

Enterprise software development

Solution Architecture

Net/.NET Core/C#

Enterprise-scale applications

RESTful APIs & SOA

Azure cloud services

Azure DevOps

SQL Server design/optimisation

Agile & DevOps delivery

Secure development & architecture

Stakeholder management & leadership

Tools

Docker

Kubernetes

Power Platform

Azure Integration Services

Job description

Location: Poland

Senior Applications Developer Architect

Location: Remote

Contract Type: Day Rate Contract (12-Month Contract)
Client: Pensions Authority

Start Date: 01/10/2026

Overview

The Pensions Authority is seeking an experienced Senior Applications Developer Architect to lead the design, development, integration, and governance of enterprise application solutions that support critical regulatory and business operations. The successful candidate will provide technical leadership across application architecture, software engineering, cloud technologies, and digital transformation initiatives while ensuring solutions are secure, scalable, and aligned with organisational objectives.

Key Responsibilities

• Lead the architecture, design, and implementation of enterprise applications and digital services.
• Develop application architecture roadmaps, standards, and governance frameworks.
• Design scalable, secure, and resilient application solutions aligned with business requirements.
• Produce and maintain high-level and detailed solution design documentation.
• Lead application modernisation and cloud transformation initiatives.
• Define and enforce software engineering standards, coding best practices, and development methodologies.
• Design and implement enterprise integration solutions and APIs.
• Collaborate with business stakeholders, project teams, and third-party vendors to deliver strategic technology solutions.
• Conduct architecture reviews, code reviews, and technical assurance activities.
• Support CI/CD, DevOps, and automation initiatives.
• Ensure compliance with security, data protection, governance, and regulatory requirements.
• Provide mentoring, technical leadership, and knowledge transfer to development teams.

Must-Have Skills & Experience

• 10+ years' experience in enterprise software development and application delivery.
• 5+ years' experience in Solution Architecture or Application Architecture roles.
• Strong background in Microsoft .NET technologies, including .NET Core and C#.
• Extensive experience designing and developing enterprise-scale applications.
• Strong experience with RESTful APIs, application integration, and service-oriented architecture.
• Experience with Microsoft Azure cloud services and Azure DevOps.
• Strong knowledge of SQL Server database design and optimisation.
• Experience working within Agile and DevOps delivery environments.
• Experience implementing secure application development and architecture practices.
• Excellent stakeholder management, communication, and leadership skills.

Nice-to-Have Skills

• Experience within Public Sector, Financial Services, or Regulatory environments.
• Experience with Power Platform and Azure Integration Services.
• Microservices and Event-Driven Architecture experience.
• Experience with Docker and Kubernetes.
• Microsoft Azure certifications.
• Experience participating in enterprise digital transformation programmes.