Senior Software Developer - C++ (Hybrid)

ABOUT US We’re the world’s leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value – across borders, through cities and overseas. No other organisation can address the scale, precision, pace and trust that this demands, and we’re proud to support the global economy. We’re unique too. We were established to find a better way for the global financial community to move value – a reliable, safe and secure approach that the community can trust, completely. We’re always striving to be better and are constantly evolving in an ever-changing landscape, without undermining that trust. Five decades on, our vibrant community reflects the complexity and diversity of the financial ecosystem. We innovate diligently, test exhaustively, then implement fast. In a connected and exciting era, our mission has never been more relevant. Swift now has a presence in 200+ countries and legal territories to serve a community of more than 12,000 banks and financial institutions. The Senior C++ Software Developer plays a key role in designing, developing, optimizing , and maintaining high ‑ performance financial applications and distributed systems used within modern FINTECH environments. The role requires strong software engineering expertise in C++, deep understanding of SQL databases (Oracle preferred), and hands ‑ on experience with communication protocols such as gRPC and RESTful APIs. Swift is unable to sponsor an employment authorization for this position now or in the future. What to Expect: In this role you will: Software Design & Development Architect, design, and develop scalable, performant and fault ‑ tolerant FINTECH applications using C++ Implement high ‑ quality code adhering to secure coding standards, low ‑ latency design patterns and best engineering practices Develop services and components that integrate via gRPC , REST API’s and internal messaging frameworks Experience working on containerized applications in docker, podman , kubernetes or OCP Optimize application performance, memory usage and latency for real ‑ time transaction processing systems Database Engineering & Data Layer Integration Design and maintain database schemas, stored procedures, and SQL queries for Oracle or other enterprise ‑ grade RDBMS systems Ensure efficient data access patterns, indexing strategy and query optimization Work with large and high ‑ throughput datasets relevant to financial transaction flows Systems Engineering & Platform Responsibilities Deploy, configure, and troubleshoot applications running on RHEL-based systems Monitor system health, tune OS/network parameters for high ‑ availability environments, and troubleshoot production incidents Collaborate with infrastructure teams to ensure smooth deployment pipelines using CI/CD tools Networking & Communication Protocols Work with transport and application-layer networking concepts (TCP/IP, SSL/TLS, load balancing, service discovery) Develop and maintain microservices and distributed components using gRPC and RESTful API’s Ensure secure, compliant and efficient communication flows in financial transaction ecosystems Automation, Scripting & Tooling Build automation scripts, deployment tools, log parsers, and monitoring utilities using Bash and optionally Python Create CI/CD improvements, automate service rollout procedures, and support environment consistency Cross ‑ Functional Collaboration & Communication Partner with Product Owners, QA teams, DevOps, Security, and Business Analysts to deliver high ‑ quality releases Produce clear technical documentation, architecture diagrams, and operational runbooks Participate in technical reviews, provide constructive feedback, and mentor junior engineers Communicate effectively with internal stakeholders to clarify requirements, risks, and design considerations Conduct performance tests to ensure applications handle high efficiency flawlessly Collaborate closely with multi-functional teams to efficiently implement solutions Expand test automation and help to ensure quality in different test environments What will make you successful: We are seeking professionals with: Bachelor’s Degree in Computer Science , Computer Engineering, Information Systems or related field 5–10 years hands-on experience in C++ (C++11/14/17) Strong object ‑ oriented design, data structures, algorithms and design patterns Experience with multithreading, concurrency controls, memory management and high throughput applications Proficient in Oracle SQL , PL/SQL, functions, triggers, indexing and performance tuning. Experience designing scalable relational schemas Hands-on experience with gRPC (Protocol Buffers), RESTful API’s, microservices frameworks Understanding of message serialization, secure communication, and service orchestrations Proficient in Red Hat Enterprise Linux (RHEL) environment Knowledge of Linux tools, system services, package management and OS tuning Understanding of fundamental networking concepts (TCP/IP, DNS, routing, firewalls, SSL/TLS) Strong experience in Bash scripting Optional but valuable: Python for automation, data processing or integration tasks Strong analytical thinking, problem ‑ solving, and debugging ability Excellent written and verbal communication skills suitable for technical and non-technical audiences Ability to work in an Agile development environment Self-driven, accountable, and capable of driving solutions end ‑ to ‑ end Ability to mentor junior developers and contribute to team knowledge sharing Preferred Skills: Exposure to FINTECH transaction systems, clearing/settlement platforms or financial messaging Experience in performance engineering, low ‑ latency optimization or high ‑ frequency transaction environments Knowledge of containerization (Docker, Podman ), CI/CD systems (Jenkins, GitLab, Azure DevOps) What we offer We give you the freedom to be yourself. We are creating an environment of unique individuals – like you – with different perspectives on the financial industry and the world. A diverse and inclusive environment in which everyone’s voice counts and where you can reach your full potential. We are committed to an inclusive and accessible recruitment process. If you require a reasonable accommodation related to accessibility during your application or interview, please contact or indicate this in your application. Please note that this mailbox is not monitored for general recruitment enquiries and should only be used for accessibility or accommodation-related requests (for example related to vision, hearing or neurodiversity). All requests are confidential and will not affect your candidacy. Don’t meet every single requirement? At Swift, we are dedicated to building a workplace where people can bring their full selves and ideas to the team, so if you are excited about this role, we encourage you to apply even if you do not meet every single qualification.