Senior Software Engineer (back-end)

Do you want to be part of the team behind the leading convertible bonds technology, data, and services? Founded in 2010, Leversys provides trading and risk management systems, data products, and related services to leading global investment banks and many of the world’s top 50 hedge funds. The company is a dynamic, small, flat-structured organization with offices in major global financial centers. Leversys’s valuation model, systems, and data are recognized as among the market leaders in the convertible bonds space. Following the launch of the Marketspace platform, Leversys is entering an exciting scale-up phase, aiming to play a leading role in the digitalization of the convertibles market. This creates opportunities for team members to make a meaningful impact while growing alongside the business as the product offering continues to expand. As a Senior Software Engineer (back-end), you will: Join a product development team involved in the full delivery lifecycle, from concept and specification through UI design, development, QA, and release. Work closely with product leads to turn ideas and client requirements into shipped features, with real ownership throughout. Collaborate with a small team of senior engineers where knowledge sharing is natural, standards are high, and ideas are encouraged. Follow a structured onboarding plan that combines early codebase contributions, architectural understanding, and exposure to the convertible bond domain. Contribute to a product company that builds and owns its platform, giving your work lasting impact and visibility from problem definition to delivery and growth. Build mission-critical applications for a specialised financial market with an established client base, keeping the engineering work purposeful and technically engaging. Work on both a cloud-based, globally distributed SaaS platform and an on-premises version. Propose and implement ideas rather than simply execute assigned tickets, with engineering input valued throughout the product lifecycle. Grow across the stack with support from experienced engineers and exposure to frontend, backend, services, and integrations. Strengthen your technical expertise while building enough convertible bond knowledge to make better engineering decisions. Gain experience in a specialised financial domain that few engineers encounter, adding long-term depth and market value to your profile. What we’d like you to bring to Leversys: At least five years of relevant experience as a back-end developer. Strong foundation in programming, data structures, and algorithms. Strong experience with major object-oriented languages such as C#, Java, C++, or similar. Strong knowledge of relational databases such as SQL or similar. Proven ability to design scalable, high-performance back-end architectures. Experience with distributed systems and large-scale messaging platforms. Knowledge of multithreaded programming. Solid understanding of internet technologies such as TCP/IP and HTTP. Good understanding of the full software development life cycle. Familiarity with service-oriented design and related technologies, including web services, REST, JSON, and GraphQL. Familiarity with version control tools such as Git. Ability to use tracing and logging tools to diagnose and resolve production issues quickly. Desirable: understanding of design patterns. Desirable: experience with unit and integration testing. Desirable: exposure to major cloud platforms such as AWS or Azure. Desirable: experience with major UI frameworks such as Angular, React, Vue.js, or similar. Desirable: experience with financial software and SaaS products. A strong desire to learn, develop, and succeed. A commitment to achieving high standards. Strong attention to detail. Creativity and passion for building products. Ability to work with complex mathematical and financial concepts. Excellent analytical skills and a structured, logical approach to complex problem-solving. Strong written and verbal communication skills in English. Ability to explain complex technical concepts clearly to both technical and non-technical stakeholders. Strong interpersonal skills. Comfort working in a dynamic, multi-tasking environment. A bachelor’s degree or higher in Computer Science, Engineering, or a related quantitative field from a leading institution. In return, Leversys offers you: A genuine opportunity to have an impact and grow your career in established capital markets FinTech. The ability to develop and apply a unique blend of knowledge and skills. The scope to work on exciting and highly dynamic projects and interact with clients. Personal development support. Sponsorship to enhance your skills and continue your education. An effective hybrid working structure. Top of the market remuneration, based on the experience level. Twenty-five days holiday, pro-rata. This is your opportunity to work with a company that actively looks to its people to take charge, come up with ideas and innovate. We look forward to hearing from you.