Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.About Atos GroupAtos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. 7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.About DAS:DAS is the Digital Application Services function, focused on delivering and supporting the applications, platforms and digital capabilities that enable effective business operations and service delivery. The function plays a key role in modernising services, improving resilience and performance, and ensuring business teams have the technology and tools they need to operate efficiently. DAS works across business and technology teams to shape, deliver and continuously improve digital solutions that are robust, scalable and aligned to organisational priorities.Job Description:We are seeking an experienced Designer / Lead Developer to join our Public Sector team.This is a long-term role focused on developing and supporting Ophthalmic systems, requiring someone who can work independently, lead small development teams, and build deep domain and system knowledge.The ideal candidate will have strong hands-on technical expertise, the ability to guide and mentor developers and testers, and a commitment to understanding complex healthcare systems vital to public sector operations.Responsibilities:Act as Lead Developer and technical designer, contributing to architecture, solution design, and hands-on implementation.Lead and coordinate a small team of developers and testers, ensuring quality delivery and adherence to best practices.Work independently to analyse, design, develop, and enhance Ophthalmic system components.Build and maintain long-term domain knowledge of Ophthalmic workflows, business rules, and system integrations.Collaborate closely with product owners, architects, and stakeholders to refine requirements and drive technical decisions.Ensure code quality, maintainability, and performance through reviews, refactoring, and standards enforcement.Support CI/CD processes using tools such as Jenkins and Git.Provide technical troubleshooting, root cause analysis, and production support where required.Essential Skills:Experience Java (expert-level)Spring FrameworkHibernateJBoss Drools (business rules engine)Jenkins (CI/CD pipeline management)Git (source control)Desirable Skills:AngularJS or similar front-end frameworks, Oracle PL/SQL (database scripting and performance optimisation).Ability to work independently with minimal supervision.Strong leadership skills with experience guiding small teams.Excellent analytical, problem‑solving, and communication capabilities.Commitment to long-term engagement and deepening system/domain expertise.Experience working in healthcare, public sector, or regulated environments (advantageous but not essential).Benefits:Pension Scheme - contributions matched up to 10%Private medical coverIncome ProtectionLife Assurance25 days paid leave + National HolidaysFlex benefits programPlease note eligibility for SC clearance is essential for this role.As a Disability Confident employer, we encourage applications from all applicants, especially, differently abled applicants. We aim to ensure that those who meet the minimum criteria for this position will be offered an interview. We are committed and willing to making reasonable adjustments to the application and assessment process to accommodate your needs.We are a care leaver friendly employer, if you require additional support with your application,  please contact our recruiter or send an email to our dedicated mailbox - #####. If you have any questions, please contact our recruitment partner Meyeppan M on LinkedInHere at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. Choose your future. Choose Atos.