Senior Software Engineer - Payments & Treasury

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Software Engineer - Payments & Treasury in Denmark.This role offers a unique opportunity to design, build, and scale the core systems that underpin global payments and treasury operations for a high-growth financial services platform. As a Senior Software Engineer, you will work on highly scalable, event-driven systems that manage billions in transactions daily, ensuring reliability, integrity, and operational excellence. You will collaborate with cross-functional teams to architect microservices, optimize APIs, and contribute to the development of a modern, cloud-based treasury platform. This position is ideal for engineers passionate about solving complex problems at scale, applying best-in-class software practices, and innovating in financial technology. Your contributions will directly impact the efficiency and capabilities of a global financial infrastructure. The role emphasizes autonomy, collaboration, and delivering high-quality, maintainable solutions that meet strategic business goals.AccountabilitiesDesign, implement, and maintain microservices that support payments, treasury, and financial ledger systemsDevelop and optimize client-facing APIs to ensure reliability, performance, and scalabilityCollaborate with cross-functional teams to define requirements, establish architecture, and deliver high-quality solutionsApply domain-driven and event-driven design principles to build resilient, scalable systemsTroubleshoot, debug, and proactively prevent system issues to ensure continuous operationsWork with containerization and orchestration tools such as Kubernetes, and manage deployments in cloud environments, preferably Google Cloud PlatformContribute to distributed systems design, messaging queue integration, and relational database management (PostgreSQL)Implement and maintain standards for clean, maintainable, and well-tested codeSupport innovation in payment rails, financial reconciliation, and accounting systems, including double-entry ledgersRequirementsMinimum 3 years of experience building and maintaining systems at scale, with strong coding skills (preferably in Go)Proven experience in microservices architecture, cloud infrastructure, and containerized environmentsHands-on experience with event-driven systems, distributed system design, and relational databases (PostgreSQL preferred)Familiarity with messaging queues, domain-driven design, and client-facing API developmentUnderstanding of payments, financial ledgers, double-entry accounting, and treasury operationsStrong problem-solving skills, proactive mindset, and preference for simple, elegant solutionsExcellent communication and collaboration skills, able to work independently or in a teamExperience with cloud platforms (preferably GCP) and orchestration technologies (Kubernetes)Bonus: previous experience in fintech, exchanges, brokerages, market makers, or hedge funds, familiarity with ISO20022, DevOps mindset, or remote work experienceBenefitsCompetitive salary with stock optionsComprehensive health benefitsOne-time home office setup allowance (USD $500)Monthly stipend for home office expenses (USD $150 via Brex Card)Opportunity to work on high-impact systems affecting billions in global transactionsFully remote, collaborative environment with a focus on professional growth and innovationExposure to modern cloud-based architectures and financial infrastructure at scaleWhy Apply Through Jobgether?We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.We appreciate your interest and wish you the best!Why Apply Through Jobgether?Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.