Role Description Currently we are looking for a Senior Java Engineer to join the team as a long-term Contractor (B2B) / Freelancer. - Craft Cutting-Edge Applications: Develop powerful, efficient back-end web applications that drive our business forward. - Architect & Build: Design and implement core business logic, creating high-performance servers and databases. - Enhance Security & Performance: Ensure our systems are secure, reliable, and optimized across multiple platforms. - API Development: Design and develop APIs that enable seamless communication between systems. - Collaborate on Scalable Solutions: Work alongside other developers to create scalable software solutions. - Lead Projects: Take charge of key projects, guiding them from concept to completion. - Maintain & Improve Code Quality: Keep our codebase organized and pristine while fixing bugs and enhancing functionality. - Troubleshoot & Optimize: Analyze data, processes, and code to identify areas for improvement and troubleshoot issues. - Write Documentation: Contribute to creating clear technical documentation for current and future reference. Qualifications - A university degree in IT - Expertise in IT: min 9 years of professional experience in development. - Proven Back-End Skills: Mastery of back-end languages and frameworks, including Java 8+, Spring, Spring Boot, Java EE, and Hibernate. - Database Proficiency: Solid experience with Oracle Service Bus, Oracle DB, and RDBMS database technology. - Integration Experience: Deep understanding of OpenID Connect, SSO, and integration techniques. - Cloud Enthusiast: Hands-on experience with Amazon Web Services (AWS) for cloud development. - Message Queues & APIs: Expertise in Kafka, ActiveMQ, JMS, and working with REST & SOAP APIs. - Blockchain Knowledge: Familiarity with blockchain technologies is a big plus! - Identity & Access Management: Experience with tools like Secunda and IOP IAM. - Domain Expertise: Advanced knowledge of Procurement and Grant Management business domains. - Server & Web Configuration: Strong understanding of Oracle WebLogic Server, Apache, SSL/TLS, and reverse proxy configuration. - CI/CD & DevOps: Practical experience with CI/CD pipelines and tools like Bamboo and Docker. - Version Control: Knowledge of Git for code versioning. - Bonus Skills: Experience with NoSQL databases, Angular, TypeScript, and front-end technologies is a plus. - Language Proficiency: Fluent in English, with proficiency in French being a great advantage. Benefits - Excellent remuneration - Fully remote - Long-term possible Company Description IESF AG is an international recruiting agency, specializing in filling of high-demand tech and IT roles, remote positions and freelancer/contractor searches. We connect skilled developers & teams with exciting and growing modern and innovative companies and start-ups across Europe, Asia, and the USA.

• Collaborate with our team on the development of our app and drive new feature development • Utilize a Ruby-on-Rails and React stack, hosted on AWS • Write well-structured, lightweight, and easily editable code, supported by testing • Follow our clearly defined product development process and detailed interaction designs • Exercise a high degree of autonomy in deciding the best solutions for tasks and discussing implementation decisions during code reviews

Role Description We’re seeking an experienced SQL Server Database Developer to design, optimise, and support the transactional SQL Server databases that power business-critical applications. This is a hands-on, application-focused role centred on advanced T-SQL development, query optimisation, and performance tuning, with secondary responsibility for production DBA activities. The role involves: - Writing T-SQL to support application performance and reliability - Collaborating closely with software engineering teams - Supporting production SQL Server environments as needed You’ll design, develop, and optimise high-performance SQL Server solutions, including: - Designing and optimising database schemas for high-transaction application workloads - Developing and tuning complex T-SQL (stored procedures, views, functions, triggers) - Analysing execution plans and resolving performance bottlenecks, blocking, and deadlocks - Optimising indexes, statistics, and query patterns, including ORM-generated SQL - Working with XML and JSON data structures within SQL Server - Partnering closely with software engineers to support application design, releases, and performance This role is open to candidates based in London or remote, based in the UK. Qualifications - Strong experience as a SQL Server Developer in production OLTP environments - Confidence to support core DBA responsibilities when required - Expert T-SQL skills with a focus on query optimisation and performance - Experience with high-volume, performance-critical application databases - Strong understanding of indexing, statistics, Query Store, and DMVs - Experience diagnosing SQL Server performance issues across database and OS layers - Working knowledge of HA/DR, backup, and recovery strategies - Familiarity with Agile delivery, GitHub, Redgate tools, and ORM-generated SQL - Experience with SSIS is beneficial but not a core focus Benefits - Community, in which authenticity is embraced, and the strength of our differences fuels our collective spirit - Culture of empowerment, learning & growth, that offers you the tools, space and opportunity to learn, innovate and lead - Work that brings fulfillment, from delighting clients every day to inspiring our industry at large Company Description At Sephora, beauty is about feeling seen, valued, and empowered, individually and collectively. It is connecting deeply with others, celebrating diversity and inclusivity, unlocking your potential and making a difference every day. Together, we belong to something beautiful. Since its inception in 1969 in Limoges, France, and as part of the LVMH Group since 1997, Sephora has been disrupting the prestige beauty retail industry. Today, Sephora continues to break with convention to drive its mission: champion a world of inspiration and inclusion where everyone can celebrate their beauty. With 56,000 employees in 35 countries, we connect customers and beauty brands within the world’s most passionate beauty community. With a curation of nearly 500 brands, and our own label, Sephora Collection, we offer the most unique and diverse range of products: fragrances, makeup, hair care, skincare... and much more.

• Own features end-to-end—from scoping and design through implementation and deployment • Engage in software and infrastructure system design discussions • Build and maintain backend services and APIs in Python and TypeScript • Work across relational and non-relational databases • Deploy and operate services on cloud platforms • Incorporate AI-first development practices • Collaborate with engineering peers through code reviews and documentation