### **About the Role** * As a Mid\-Level Software Engineer, you will design, develop, and maintain backend services that power high\-scale, cloud\-based solutions in the fintech and payments ecosystem. Working within cross\-functional squads, you will build high\-availability systems that connect payment gateways, acquirers, and alternative payment methods (APMs), while taking ownership of the full software development lifecycle to deliver production\-ready solutions. ### **Key Responsibilities** * Design and develop backend services using Node.js and Typescript, following SOLID principles and design patterns * Build and deploy high\-availability, low\-latency, and high\-performance solutions through Git\-based workflows and CI/CD pipelines (GitLab/Bitbucket/Jenkins) * Develop cutting\-edge cloud\-based solutions with a focus on scalability and performance optimization * Collaborate with QA, DevOps, Product, Architecture, and Business teams to ensure high\-quality deliverables * Test, document, and provide ongoing support for developed applications and services * Ensure compliance with security standards (PCI\-DSS) and best practices in code quality * Investigate, debug, and troubleshoot production issues while contributing to performance tuning * Perform code reviews to detect business logic flaws and code quality issues * Identify and suggest improvements to policies and procedures when applicable ### **Requirements\- Experience \& Technical Skills** * 3\-5 years of backend software development experience working on large\-scale production systems * Strong proficiency in Node.js and TypeScript * Experience with Java and object\-oriented programming principles (Scala is a plus) * Solid understanding of RESTful APIs design and implementation * Experience with SQL and NoSQL databases (MongoDB preferred) * Understanding of cloud architecture and services (AWS preferred: EKS, S3, Lambda) * Experience with cloud service architectures and event\-driven systems. Proficiency in Git/Bitbucket, branching strategies, and continuous integration/delivery * Skilled in designing and implementing unit, integration, and acceptance test automation * Ability to connect web solutions to external systems and APIs ### **Qualifications** * Bachelor's degree in Computer Science, Engineering, or related technical field (preferred) * English communication skills (Intermediate\-Advanced level minimum) * Ability to work independently and assume ownership throughout the SDLC * Strong problem\-solving skills in a multi\-technology, dynamic environment * Ability to learn and implement new technologies quickly ### **Preferred/Advantage** * Experience in Java development (Scala is a plus) * Experience in fintech/payments ecosystems * Prior exposure to PCI environments and secure transaction systems * Experience with data storage patterns and practice in high\-scale environments * Background working with payment gateways and financial transaction processing. 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.