Senior Full stack Developer / Tech Lead (Java & React)

Permanent
Glasgow (Hybrid)

Join an innovative, fast‑moving technology team building modern SaaS solutions that drive meaningful impact across complex business environments. As a Principal Engineer / Tech Lead, you'll work with cutting‑edge technologies, collaborate across multidisciplinary teams, and contribute to the development of scalable, cloud‑ready applications.

What You will do in the Principal / Teal Lead role

• Design, develop, and maintain robust, scalable backend services using Java, Spring, Hibernate, and related technologies.
• Define database structures, write efficient SQL queries, and ensure best‑practice data management.
• Build complex, high‑performing frontend applications using React and modern UI patterns.
• Integrate frontend and backend components through RESTful APIs, ensuring seamless interaction and performance.
• Conduct code reviews and uphold high standards for code quality, performance, and security.
• Use GitHub for version control and contribute to CI/CD pipelines supporting automated builds, testing, and deployments.
• Work with cloud and container technologies; AWS experience is a strong advantage.
• Leverage emerging AI technologies.
• Collaborate with cross‑functional teams, including developers, product managers, and domain experts, to deliver high‑quality software solutions.
• Participate in Agile ceremonies including sprint planning, stand‑ups, and retrospectives.

 

What we require to progress candidates for the Principal / Tech Lead opportunity

• 7+ years of professional experience with Java and React, with a proven track record of delivering successful projects.
• Strong expertise in full‑stack Web development, including object‑oriented programming, design patterns, and data structures.
• Deep understanding of scalable system architecture and modern development best practices.
• Ability to solve complex problems with creativity, ownership, and critical thinking.
• Strong collaboration and communication skills with a proactive, positive approach.
• Ability to act as a technical leader in a fast‑moving environment, (prior start-up / scale‑up experience is highly desired)
• Ability to learn quickly and understand complex business requirements with minimal guidance.
• Bachelor’s degree in computer science, Engineering, or equivalent experience.
• Have practical experience or personal passions to engage further with AI experience of Anthropic / OpenAI is a strong plus

 

Why Join Us

• Work with passionate, mission‑driven professionals focused on delivering meaningful, real‑world impact.
• Joining a fast-moving start-up who are already shifting products and continuing to on-boarding new clients
• Build modern, cloud‑based solutions using cutting‑edge technologies across the stack.
• Thrive in a dynamic, innovative environment with significant opportunities for professional growth, leadership, and technical contribution.
• Contribute to products that empower businesses to drive measurable change and operate more responsibly.
• Strong salary depending on experience in the £65,000 - £75,000 range
• Equity and ownership options
• A growing benefits package
• Hybrid working in Glasgow City centre (typical 3 days a week in the office)

 

Keywords

Senior Developer, Full stack Developer, Tech Lead, Principal Engineer, Java Developer, Java, Spring, Spring Boot, Hibernate, React, React Developer, Frontend, Backend, Full-stack, AWS, Cloud, SQL, REST APIs, GitHub, CI/CD, Agile, Containers, AI Integration, OpenAI, Anthropic, Software Engineer, Scalable Systems, Hybrid, Glasgow

React Native Mobile Developer
Permanent
Manchester Centre

Hybrid – after initial engagement, circa 3 or 4 days WFH

 

Join our exciting client creating world-class mobile experiences that delight users and push the boundaries of innovation. As a Senior Mobile Developer, you’ll play a key role in shaping and delivering high-quality apps that combine exceptional design with robust functionality. This is an opportunity to work with cutting-edge technologies, collaborate across teams, and make an immediate impact in a fast-growing, ambitious company.

The tasks of a Mobile Developer will include:
• Build and own mobile features end-to-end: plan, develop, test, deploy, and iterate.
• Collaborate with product owners, designers, and engineers to define requirements and deliver elegant solutions.
• Contribute to discovery and ideation sessions, influencing the mobile roadmap.
• Ensure best practices in coding, testing, and performance optimization.
• Work closely with cross-functional teams to address feature requests and resolve issues quickly.

To progress as a successful Mobile Developer you will require:
• Strong commercial experience with React Native.
• Hands-on experience with Redux in production environments.
• Familiarity with React Native Testing Library and Jest for unit testing.
• Excellent collaboration skills and ability to work with developers, UX teams, and product owners.
• Bonus: Experience or interest in PHP, Laravel, or native iOS/Android development.
• Self-sufficient, proactive, and able to hit the ground running.

Rewards & Benefits
• Competitive salary: £60,000–£75,000 (flexible for exceptional candidates).
• Hybrid working: 3 or 4 days WFH plus flexible hours.
• Extensive holidays, holiday allowance and holiday purchase scheme.
• Your own L&D budget for your career development.
• Enhanced maternity, paternity, adoption leave.
• A broad range of bespoke staff benefits and allowances

Keywords
Senior Mobile Developer, Mobile Engineer, Applications Engineer, React Native, Redux, ReactNative, Jest, Mobile App Development, iOS, Android, React-Native, CI/CD, Agile, Cross-Platform Development.

Generative AI Engineer
Permanent
Manchester

Join our client in influencing the future of enterprise AI. As a Senior or Lead Engineer, you’ll drive innovation by building and deploying cutting-edge Generative AI applications that empower thousands daily. This is your opportunity to contribute to the leadership of a team who influence AI strategy and deliver solutions that transform efficiency at scale.

Duties of the Gen AI Engineer will include:
• Architect, develop, and deploy high-impact GenAI applications into production.
• Evaluate and optimize Large Language Models (LLMs) for performance and accuracy.
• Collaborate with cross-functional teams to integrate AI solutions seamlessly.
• Champion best practices in prompt engineering and model evaluation.
• Mentor and grow engineering talent, fostering a culture of excellence and continuous improvement.
• Stay ahead of emerging AI trends, helping shaping the organization’s AI roadmap.

To be successful in progressing with the Gen AI Engineer, your experience must include:
• A proven expertise in Python development of AI-driven applications.
• Hands-on experience with LLMs and prompt optimization.
• Strong knowledge of AWS services (Bedrock, Lambda, S3, Lex, CloudWatch).
• Ability to lead and inspire teams, with excellent communication skills.
• Familiarity with DevOps practices (CI/CD pipelines, GitLab Runners, Jenkins)

• Familiarity with Infrastructure as Code (Terraform, CloudFormation).
• Experience with containerization (Docker) and deployments to ECS/EKS.
• Ideally career experience to include regulated environments, data engineering concepts, and security best practices.

Rewards & Benefits
• Competitive salary and performance-based bonus.
• Flexible hybrid working model.
• Comprehensive benefits package including pension, health coverage, and wellness programs.
• Continuous learning opportunities: certifications, AI training, and leadership development.
• A culture that values innovation, collaboration, and diversity.

Keywords Generative AI Engineer, AI Solutions Engineer, AI Application Engineer, Machine Learning Engineer, LLM, Python, AWS Bedrock, Prompt Engineering, DevOps, CI/CD, Terraform, Docker, AI Strategy, Machine Learning, Large Language Models.

Cryptography Engineer
Permanent
Northwich, Macclesfield, Knutsford, Wilmslow

Join our clients specialist team, safeguarding critical infrastructure through advanced cryptographic solutions. As a Cryptography Engineer, you’ll design, implement, and manage secure encryption frameworks that protect sensitive data and ensure compliance with industry standards. This is a hands-on role where you’ll collaborate with cross-functional teams to embed Zero Trust principles and maintain robust security across systems and networks.

What the successful Cryptography Engineer will do:
• Design and maintain secure cryptographic systems, including SSH-based frameworks and PKI solutions.
• Configure, administer, and maintain HSM devices, including secure onsite activities and lifecycle management.

• Implement key management processes and encryption standards aligned with regulatory and internal security policies.
• Collaborate with system, network, and security teams to integrate secure connectivity and harden critical infrastructure.
• Support Zero Trust architecture initiatives and manage secure tunnelling protocols.
• Participate in 24/7 on-call rotation to resolve urgent cryptographic or access-related incidents and maintain service continuity.
• Drive automation and monitoring enhancements to improve resilience and efficiency.

What we are looking for in the successful Cryptography Engineer:
• Strong expertise in cryptography, PKI, and SSH key management.

• Current, hands‑on expertise in HSM configuration, installation, support, and secure component handling.
• Solid understanding of Unix/Linux/Windows system administration.
• Experience with networking and security troubleshooting.
• Advances scripting skills in Python or Go for automation and integration tasks.
• Familiarity with financial security standards such as ISO 27001, NIST, and FIPS 140-3.
• A proactive, analytical mindset with the ability to assess risk and implement secure solutions.

Rewards & Benefits
• Competitive salary and performance-based bonus.
• Comprehensive pension and health benefits.
• Flexible working arrangements with opportunities for career progression.
• Access to continuous learning, certifications, and technical development programs.

Keywords
Cryptography Engineer, Cryptography Specialist, Encryption Engineer, PKI Engineer, Security Engineer, HSM, Hardware Security Modules, PKI, SSH, Encryption, Key Management, Zero Trust, Security, Python, Go, Golang, ISO 27001, NIST, FIPS 140-3, Zero Trust principles, SSH tunnelling, Hardening systems