Mid .NET Developer – Core Banking

We are partnering with a leading banking institution and are looking for a Mid.NET Engineer to join their Core Banking Technology team. This is an opportunity to work on mission-critical financial systems in a highly regulated environment where performance, scalability, resilience, and data integrity truly matter. If you enjoy designing distributed systems, shaping architecture decisions, and building scalable banking platforms using modern engineering practices — this role is for you. 💡 What You’ll Be Working On Designing and developing enterprise-grade core banking applications using .NET / C#Applying Clean Architecture and Domain-Driven Design (DDD) principlesImplementing CQRS and event-driven workflowsBuilding and maintaining microservices architecturesDeveloping high-performance ASP.NET Core REST APIsImplementing internal communication via gRPCIntegrating distributed systems using KafkaWriting scalable, non-blocking code using asynchronous programming patternsParticipating in architectural decisions and technical design discussionsSupporting production systems in high-availability environmentsCollaborating closely with architects, business stakeholders, and cross-functional teams Responsibilities: Develop and maintain backend application using .NET Framework and .NET Core;Participate in the design and implementation of APIs and integration services with external systems;Collaborate with Senior Engineers and Functional Analysts to analyze requirements and implement them in code;Participate in code review, unit testing and QA processes from the development side;Support bug fixing and optimization of existing code;Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy. Requirements University degree in Computer Science, Engineering, or a related field;3+ years of experience developing applications with C#, .NET Framework, .NET Core;Good knowledge of consuming and designing REST APIs;Experience with relational databases (SQL Server or equivalent);Ability to work collaboratively in a team environment with clear timelines;Experience with collaboration tools such as Jira, Azure DevOps etc;Basic knowledge of front-end technologies;Prior experience in a banking or fintech environment. Benefits: Hybrid working model.Monthly compensation 2700-3000/gross according to experience.Private health insurance.Unlimited access to a workplace wellness and support platform.Continuous learning and career growth opportunities.Opportunity to work on large-scale core banking systems using modern technologies.Friendly, collaborative, and professional working environment. UpcoMinds is a dynamic IT company with 28 years of experience that provides end-to-end web and mobile solutions helping businesses to reinvent themselves in the digital world. Our team’s skills and expertise will ensure the holistic digital transformation of any organization, which will considerably improve both business operations and customer’s experience. Our goal is to always have our end products and services reflect our deep engineering skills and elegant progressive design aesthetic. We fundamentally believe deeply in developing long term strategic partnerships with our clients by exceeding expectations and maintaining a high level of transparency. Find out more about us at www.upcominds.com We commit to promote Inclusion & Diversity by creating a working environment where all employees are treated with dignity and respect and where individual differences are valued. We offer equal opportunity in all aspects of employment. Our recruitment consultants will go through your Curriculum Vitae as soon as possible and get back to you to discuss the opportunity for which you apply. If you don’t hear from us in the coming ten (10) working days, you may consider that you have not been selected for the particular job. Your CV will be retained for two years in accordance with GDPR regulations.