Senior .NET Engineer

Upcom; Kentucky; Hybrid; USD 402,000 - 442,000; Full time

Benefits offered by this job

Hybrid work model

Private health insurance

Wellness platform access

Continuous learning

Career growth opportunities

Large-scale banking systems

Great working environment

Job summary

UpcoMinds is seeking a Senior .NET Engineer to join their Core Banking Technology team, building mission-critical financial systems in a regulated environment. You will design distributed systems, implement scalable bank-grade platforms, and shape architecture decisions using modern engineering practices.

You will work on REST APIs, microservices, CQRS, DDD, and async patterns, collaborating with architects and stakeholders to deliver high-availability solutions.

Qualifications

• 5+ years of C#, .NET Framework and .NET Core development.
• Experience designing REST APIs and relational databases.
• Banking or fintech domain experience preferred.

Responsibilities

• Develop and maintain backend applications using .NET Framework and .NET Core.
• Design and implement APIs and integration services with external systems.
• Collaborate with Senior Engineers and Analysts to translate requirements into code.

Skills

C#

.NET Framework

.NET Core

REST APIs

SQL Server

Jira

Azure DevOps

Frontend basics

Banking/Fintech

Education

Bachelor's degree or higher

Job description

We are partnering with a leading banking institution and are looking for a Senior .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) principles
• Implementing CQRS and event-driven workflows
• Building and maintaining microservices architectures
• Developing high-performance ASP.NET Core REST APIs
• Implementing internal communication via gRPC
• Integrating distributed systems using Kafka
• Writing scalable, non-blocking code using asynchronous programming patterns
• Participating in architectural decisions and technical design discussions
• Supporting production systems in high-availability environments
• Collaborating closely with architects, business stakeholders, and cross-functional teams

Responcibilities:

• 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;
• 5+ 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 3000-3300/gross
• 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.