• Help design, shape and deliver a leading FinTech product and engineering team • Contribute to the team’s work with high-quality, well-tested and scalable code • Develop high-class back-end code in a microservice architecture that builds the foundation of all Selina’s tech products • Support the development of the software stack (e.g. code reviews, unit tests, CI) and documentation • Work closely with our team to understand our customers’ needs

Role Description You’ll take ownership of features across the Threecolts Hub, Golang and TypeScript-based systems, delivering them from initial design through to production. You’ll design and build clean, scalable services, APIs, and components that are maintainable, well-tested, and performant. - Hub is the central platform where Threecolts customers access their products, manage subscriptions, add companies and organisations, update plan types, and handle billing and payments. - Your work will directly support the customer account experience and the systems that connect users to the wider Threecolts product ecosystem. - You’ll operate independently within a defined scope, making sound technical decisions and balancing speed with long-term quality. - You’ll play an active role in improving the systems you work on, debugging production issues, identifying root causes, and implementing durable fixes. - You’ll contribute to technical discussions, help evolve architecture within your domain, and raise the bar through thoughtful code reviews. - Collaboration is key: you’ll work closely with Product, QA, DevOps, and other product teams to build reliable platform functionality that supports both customers and internal teams. Qualifications - 5–8+ years of professional software engineering experience - Strong proficiency in Golang and TypeScript - Experience building and maintaining backend services, APIs, and scalable application components - Experience working across frontend and backend systems, or strong backend experience with enough TypeScript to contribute confidently - Solid understanding of REST APIs, system design, and scalable application patterns - Experience working with SQL and/or NoSQL databases and data modelling - Familiarity with cloud infrastructure, ideally AWS - Experience working on authentication, account management, billing, payments, subscriptions, or platform products would be beneficial - Experience debugging production systems and resolving issues independently - Comfortable working with Git, code reviews, and team-based development - Ability to work across an existing codebase and improve quality without over-engineering Requirements - You have a strong ownership mindset and consistently deliver high-quality work. - You make pragmatic technical decisions, understanding when to prioritise speed and when to invest in scalability, reliability, and maintainability. - You’re comfortable working on platform-level products where reliability, usability, and clean integrations matter. - You care about the customer experience, but you also understand the internal systems and operational workflows that sit behind it. - You communicate clearly, work well with cross-functional teams, and look for ways to improve both the product and how the team operates. - This role will suit someone who enjoys solving practical product and platform problems, building scalable systems, and improving the foundations that customers rely on to access and manage their Threecolts products. Benefits - Salary: £ 90,000 per year - 25 days PTO - Healthcare & Pension benefits - Opportunity to join company-wide offsites - Regular rate reviews and bonus opportunities - Fully remote/hybrid working

Role Description We are in search of a talented backend developer with a strong background in systems and data integration. Our team leverages databases, event streaming, Cloud Service Provider (CSP) services, and EDB software to create fault-tolerant and high-performance data solutions. We're looking for candidates who are passionate about exploring cutting-edge literature and technologies in machine learning, analytics, and data engineering to enhance our transactional systems excellence. In this role, you'll work with EDB's data integration and migration team to deliver next-generation data movement and integrated data platform solutions to our customers. Together, we'll build systems that not only attract customers to Postgres but also amplify the value of their data. - Develop backend systems that power exceptional user experiences by working closely with frontend engineers, designers, and product management. - Collaborate with our globally distributed engineering team using tools like GitHub, Jira, and Slack. - Participate in all stages of the product development life cycle spanning ideation, design, implementation, testing, deployment, and operation. - Contribute to continuous improvement of our platform through knowledge sharing and mentoring within the team and across EDB organizations. - Approach problem-solving with an inquisitive, innovative, and detail-oriented mindset while maintaining a focus on delivering value to our customers. Qualifications - 5+ years' experience in a back-end development role using Java along with Go or Python. - Experience with Java, Go, Spring Boot, gRPC, Docker, Kubernetes, database basics (PostgreSQL, Oracle), Test automation (JUnit or TestNG). - Proficiency in building production software components (CLIs, services, clients) that interact over HTTP and gRPC. - Experience with AWS, Azure, or GCP (Terraform or other infra-as-code solutions preferred). - Experience working with Oracle database systems, good understanding of database concepts, procedural languages for PostgreSQL and Oracle. - Experience with deploying and operating software on Kubernetes. - 2+ years' experience with distributed systems (e.g. database systems, Kubernetes clusters, cloud infrastructure). - Calm and methodical approach with good communication skills. Requirements - Understanding of the Postgres ecosystem and experience developing against Postgres. - Familiarity with GitHub actions or a CI/CD tool. - “Full stack” experience into the front-end layer with basic understanding of Vue.js or React. - Strong opinions on the state of data engineering, ML/AI, and data movement solutions or academic literature – and what’s next in the field. - Experience with devops/SRE responsibilities and have worked in a “you build it, you run it” environment. - Experience with ETL / ELT systems (Debezium, FiveTran). - Involvement in OSS communities (not just Postgres, though that’s a double plus!). Benefits - Access to CuraLinc to aid employees in health and wellness tips and practices. - Wellness Fridays extending to December 2026!

Role Description Are you enthusiastic about backend development and interested in building scalable systems for digital products in the sports and iGaming industry? As a Backend Developer, you will play a key role in developing, maintaining, and optimizing backend services, APIs, databases, and infrastructure that power our websites, applications, and internal platforms. If you're passionate about clean code, reliable systems, performance, and modern backend technologies, we’d love to hear from you! Responsibilities - Design, develop and maintain backend services, APIs and applications. - Build scalable, secure and high-performance backend systems for web applications and internal platforms. - Develop and maintain RESTful APIs and backend services used by frontend applications and other systems. - Work with databases to store, query, structure and optimize data efficiently. - Implement third-party APIs and external services where needed. - Collaborate with frontend developers and other team members to deliver reliable and user-friendly digital products. - Debug, troubleshoot and resolve backend, database, API and infrastructure-related issues. - Suggest technical improvements to enhance system reliability, scalability, security and maintainability. - Stay updated on the latest trends in backend development, infrastructure and modern web technologies. Qualifications - Minimum of 3 years' experience as a Backend Developer or in a related role. - Strong knowledge of backend technologies such as Node.js, Next.js, Golang or similar. - Hands-on experience designing, building and working with RESTful APIs. - Experience working with databases such as MongoDB, MySQL, PostgreSQL or NoSQL alternatives. - Knowledge of cloud/server infrastructure such as AWS or Hetzner. - Understanding of real-time data processing, caching strategies and background jobs/queues. - Experience designing and maintaining scalable backend architectures. - Good understanding of security, performance optimization and reliable data handling. - Strong problem-solving skills and attention to detail. - Very good command of English; any additional language is a plus. - Ideally Naples based. Benefits - Become a part of our lively and energetic global team, where teamwork sparks innovation and creativity! - Competitive salary that truly recognizes your value and contributions. - Culture fosters both personal and professional development, providing plenty of chances to learn, grow, and move forward in your career. - Join a supportive environment that motivates you to reach your full potential, surrounded by talented colleagues who share your enthusiasm and commitment to excellence. How to Apply Send your resume that showcases your successes along with a brief cover letter in English only. Recycled cover letters, applications other than in English or spam applications will not be considered. Please take a few minutes to write us a personal note, less is more. Thank you!