Software Engineer, Fund Solutions

Apex Group

Madrid, ESonsitePosted Jul 22, 2026
Posting intelligenceActively listedReposted 31×, possible evergreen/ghost posting

Skills

azure devopskubernetescassandraterraformmongodockerazureawsc#

About the role

The Apex Group was established in Bermuda in 2003 and is now one of the world’s largest fund administration and middle office solutions providers.

Our business is unique in its ability to reach globally, service locally and provide cross-jurisdictional services. With our clients at the heart of everything we do, our hard-working team has successfully delivered on an unprecedented growth and transformation journey, and we are now represented by over circa 13,000 employees across 112 offices worldwide.Your career with us should reflect your energy and passion.

That’s why, at Apex Group, we will do more than simply ‘empower’ you. We will work to supercharge your unique skills and experience.

Take the lead and we’ll give you the support you need to be at the top of your game. And we offer you the freedom to be a positive disrupter and turn big ideas into bold, industry-changing realities.

For our business, for clients, and for you

Role Summary:

We are seeking a highly skilled Applications Developer with expertise in .NET technologies to join our IT team.

This role is critical in developing and maintaining integrations between our various business applications to streamline operations and improve data flow across systems.

The ideal candidate will have a background in software development, specifically with .NET frameworks, and a proven track record in APIs and middleware solutions as well as experience with cloud technologies.

Key Skills / Minimum qualifications

Design, develop, and maintain highly scalable integration solutions using .NET technologies.

Technical experience at least 1>+ years.

Collaborate with IT and business teams to analyze requirements and translate business needs into robust integration solutions.

Implement secure RESTful APIs, SOAP web services, and microservices for internal and external use.

Monitor and optimize the performance of integration platforms and develop enhancements as needed.

Ensure all integrations comply with enterprise security policies and data protection regulations.

Provide technical support and troubleshooting for existing integrations, resolving issues in a timely manner.

Stay updated with the latest advancements in .NET development and integration technologies.

Work with SQL and NoSQL databases, ensuring data integrity and optimal performance across all integrations.

Primary Candidate Technologies:

C#, .NET Core and other object-oriented languages.

SCM (Git)

SQL.

Qualifications

Bachelor’s degree in computer science, Information Technology, or related field.

Minimum of 1>+ years of experience in software development with a strong focus on application integrations.

Proficient in C#, .NET Core, ASP.NET, and familiar with .NET Framework.

Familiarized with DDD, SDD

Experience with API design and development (REST, Open API, SOAP).

Strong understanding of integration patterns, middleware technologies, and best practices.

Experience with Message Broker services, such as Azure Service Bus or RabbitMQ.

Experience with Microsoft SQL Server and familiarity with NoSQL databases like MongoDB or Cassandra.

Familiarized of cloud services (Azure, AWS) and implementing cloud-based integrations.

Familiarity with Agile development processes, such as Scrum, Kanban, and Sprint-based development.

Excellent problem-solving skills and ability to work in a team environment.

Strong communication skills and ability to manage multiple projects simultaneously.

Preferred Skills

Experience with containerization and orchestration technologies (Docker, Kubernetes).

Understanding in fundamental AI concepts

Soft Skills

Excellent communication and interpersonal skills to deal with stakeholders and requirements.

Strong problem-solving skills and Strong coding skills.

Ability to plan and manage your workloads with autonomy and understanding of business priorities.

Strong ability to guide others within your squad.

Familiar with AGILE methodologies.

What you will get in return:

A genuinely unique opportunity to be part of an expanding large global business

Work for a fast developing and world-leading independent financial services provider

Opportunities for professional development

Positive and hospitable work environment

Exposure to all aspects of the business, on a cross-jurisdictional basis

Other responsibilities:

Working as part of a squad, delivering through agile methodologies.

Design, prototype, develop, test, and deploy applications and business requirements using agreed design patterns.

Optimization of the build and release process.

Working in collaboration with customers, partners, and peers to identify requirements.

Helping breaks down large problems into smaller iterative steps.

Contribute to defining the prioritization of your squad’s backlog.

Contribute to the continuous development and maturing of design patterns for others to follow.

Pick the most appropriate tool, method, and design pattern to satisfy the requirements.

Proactively improves things where they see issues.

Provide guidance and training to other squad members.

Other Valued Technologies

Automated testing tools

Implementing Nugget packages

Docker

Cloud Providers Knowledge:, Azure

Terraform.

Good understanding and experience following test-driven development and continuous integration & delivery practices.

Advanced experience with standard tools used for software development like Git, Azure DevOps

Advanced experience with standard tools used for software development like Git, Azure DevOps.

Ability to design SOLID and simple modules for complex domains. Experience in contributing to architectural systems design within and across teams.

Disclaimer: Unsolicited CVs sent to Apex (Talent Acquisition Team or Hiring Managers) by recruitment agencies will not be accepted for this position. Apex operates a direct sourcing model and where agency assistance is required, the Talent Acquisition team will engage directly with our exclusive recruitment partners.

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