Senior Software Developer

Firm

Cortex Reply

Location

London

Education

Postgraduate degree

Benefits Excellent

Functional areas

Agile

AI & Gen AI

Cloud

Data Science

Software

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About Cortex Reply Cortex Reply is a specialist consultancy within the Reply Group, focused on helping organisations adopt and scale AI-enabled, cloud-native solutions — particularly in highly regulated sectors such as financial services and central government. We combine deep technical expertise in cloud architecture and applied AI with a pragmatic understanding of our clients’ business challenges. Our work spans modern infrastructure, FinOps, and AI application development - helping clients turn complex requirements into secure, scalable, and high-impact platforms.

Role Overview As a Senior Software Developer, you will help organisations embed AI into real-world operations, working on a wide range of technical challenges across the full technology stack. You will develop agentic AI solutions, likely running on cloud infrastructure, contributing to innovative and practical implementations. Operating in a fast-paced and rapidly evolving industry, you will continuously adapt to new technologies and embrace ongoing learning opportunities. You will be expected to bring curiosity and a willingness to explore new approaches as part of your role. Working collaboratively within a team, you will apply your expertise to help customers achieve the goals of their AI journey. This is a hybrid-based role in Manchester. Responsibilities

• Design, develop, test, and deploy robust and scalable software solutions
• Write clean, efficient, and maintainable code using appropriate technologies and frameworks
• Contribute to architecture discussions and design sessions for new features and projects
• Review code to ensure adherence to coding standards, best practices, and security guidelines
• Collaborate with product managers, designers, and stakeholders to translate requirements into technical specifications, articulating trade-offs clearly
• Troubleshoot and debug complex issues across different environments and support automated testing activities
• Contribute to continuous improvement initiatives and stay current with industry trends, supporting internal innovation and accelerators
• Bring a strong technology perspective to client challenges and mentor junior team members to build organisational capability

About The Candidate

• Approximately 2–3 years’ experience in software development roles, ideally with exposure to both cloud and AI development
• Proven experience working within teams in complex, fast-paced environments
• Strong understanding of modern delivery methodologies (Agile, Scrum, hybrid models) and governance practices
• Credible and structured communication style, with the ability to influence senior stakeholders
• Proactive and enthusiastic, with the ability to take ownership of challenges and deliver solutions
• Comfortable working with ambiguity, maintaining clarity and momentum across evolving scopes
• Strong interest in continuous learning, staying current with emerging technologies and real-world AI applications
• Experience in regulated or complex sectors (e.g. financial services) and a consulting background with client-facing delivery experience is preferred

Reply is an Equal Opportunities Employer and committed to embracing diversity in the workplace. We provide equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type regardless of age, sexual orientation, gender, identity, pregnancy, religion, nationality, ethnic origin, disability, medical history, skin colour, marital status or parental status or any other characteristic protected by the Law. Reply is committed to making sure that our selection methods are fair to everyone. To help you during the recruitment process, please let us know of any Reasonable Adjustments you may need. Job information

Firm: Cortex Reply

Location: London

Education: Postgraduate degree

Apply