Software Engineer jobs in United Kingdom

We are seeking an experienced Senior Software Engineer to join our team building a cutting-edge agentic AI platform for conversational AI agents in the insurance retail space. You will work with AWS Bedrock, serverless architectures, and modern DevOps practices to deliver scalable, secure, and reliable AI-powered solutions.

CDL is one of the UK’s leading software development houses, employing over 600 people at its campus in Stockport. It has a consistent history in the high-volume retail insurance sector. CDL has spearheaded developments in the aggregator, web and telematics space, including connected home, enrichment and self-service solutions. As a result, the company’s robust and innovative technologies have enabled its customers to thrive in the highly competitive UK insurance marketplace.

We have built a collaborative and creative culture where we employ agile techniques to deliver our pace-setting applications. We pride ourselves on cultivating an inspiring working environment with our employees at the heart of our company.

In a nutshell we are the market leading software house in our industry, creating the software, websites & apps for the Insurance & Finance sector across the UK. If you were to go on a price comparison website, approximately 65% of the companies on there are our clients!

• Design and implement serverless AI agent solutions using AWS Lambda, API Gateway, and Bedrock.
• Build robust API integrations with validation, authentication, and error handling.
• Work with Amazon Bedrock agents and foundation models.
• Implement AI guardrails for content filtering, PII protection, and prompt injection prevention.
• Optimise AI agent performance, cost, and response quality.
• Implement monitoring and observability for AI workloads.
• Use Infrastructure as Code for AWS resource management.
• Maintain and enhance repositories using GitLab CI / CD.
• Apply security best practices and manage vulnerabilities.
• Design scalable architectures supporting multi-client deployments.
• Participate in code reviews and maintain high code quality standards.

• 5+ years of software engineering experience with cloud platforms.
• Experience in insurance or regulated industries.
• AWS certifications such as AWS Cloud Practitioner / AWS AI Practitioner.

Continuous Learning & Adaptability : Ability to quickly learn and apply new technologies and best practices in a rapidly evolving environment.

Problem-Solving & Analytical Thinking : Strong capability to diagnose complex issues and design effective solutions.

Communication : Excellent verbal and written communication skills, with the ability to explain technical concepts to both technical and non-technical audiences.

Collaboration & Mentorship : Experience mentoring junior developers and fostering a culture of knowledge sharing.

Agility & Resilience : Comfortable working in fast-paced, agile environments.

Attention to Detail : Commitment to delivering high-quality, secure, and reliable solutions.

Ownership & Accountability : Proactive approach to taking responsibility for deliverables and outcomes.

Customer-Centric Mindset : Ability to align technical solutions with business needs and user experience goals.

Languages : Python, TypeScript, JavaScript.

Cloud : AWS (Lambda, Bedrock, API Gateway, S3, CloudWatch, DynamoDB)

AI : Amazon Bedrock, Large Language Models (LLMs), Kiro (IDE / CLI).

Infrastructure : Terraform / OpenTofu, GitLab CI / CD.

Monitoring : Dynatrace, CloudWatch.

Testing : pytest, Jest, Karate, Postman.

Salary

The salary for the role of Senior Software Engineer pays up to £57,000p.a . providing a fantastic opportunity for career progression through CDL’s clearly defined career framework ( https://progression.cdl.co.uk/ ).

Your growth and advancement within CDL are only limited by your own ambition and effort.

• Hybrid Working (2 Days a Week in the office - SK4 2HD)
• Truly flexible working.
• 25 days holiday to start, increasing by 1 day per 1 year of service up to 30 days.
• Top employer for 9th year running
• Excellent training and development platform
• Opportunities for career progression
• Health and Wellbeing programme
• Virtual activities, lunch and learns, coffee mornings and meetups.
• Life and health assurance
• Electric Vehicle Scheme
• Established Recognition Award System
• Great Parental Benefits
• Diversity and Inclusion network
• Pension scheme
• Community projects and volunteer days
• Refer a friend bonus

• On-site free parking
• Open plan modern offices
• Quiet Spaces are also available
• Shuttle bus to and from the station
• Subsidised restaurant
• Games room and chill out zone
• Annual Hackathon & Deep Racer Events
• Social activities, regular social events through our social group Xtra, including a summer BBQ, competitions, bowling, go-karting, football games, Winter party and much more!
• Car wash, barber, yoga classes, boot camp and massage services all on site
• Cycle to work scheme
• Shower and dry rooms

We’re on a journey to keep innovating, that means welcoming new ideas and ways of thinking.

CDL recognises that building a diverse workforce is critical to the success of our business. We strongly encourage applications from a diverse talent pool and welcome the opportunity to discuss flexibility requirements and workplace adjustments with all our applicants.

CDL have a PSL in place, but haven't used them for over 3 years, therefore be advised that any unsolicited submission of candidate details—including but not limited to LinkedIn profiles, CVs, or resumes (whether redacted or unredacted)—will be considered freely given and unsolicited. As such, these submissions will not be subject to any fees, terms, or obligations on our part.

Only candidate profiles that have been formally discussed with and approved by our Talent Acquisition (TA) team prior to submission AND submitted by agencies on our Preferred Supplier List (PSL) operating under agreed terms are authorised to submit candidates. Any submissions from non-PSL agencies, or those made outside of agreed processes, will be deemed non-compliant and will not be eligible for any fees or consideration.

This Policy was last updated in April 2025

The UKs biggest insurance retailers rely on CDLs trend setting solutions to drive success and growth. Our ambition and commitment has produced a track record of delivering exactly that. The result is a client base that includes some of the most profitable insurance operations in the UK.