Application Development Specialist

ADP; Remote; GBP 40,000 - 60,000; Full time

Job summary

A leading financial technology firm is looking for a .NET Developer to enhance a new payment solution, focusing on user interface development, API integration, and data integrity. Responsibilities include building user interfaces, maintaining APIs, and creating reporting pipelines. Ideal candidates should have strong knowledge of .NET, C#, and Azure SQL, and a strong grasp of object-oriented development principles. This role offers a salary between £40,000 and £60,000, along with bonuses and various employee benefits including a pension and private medical healthcare.

Benefits

Company shares

Bonus (typically 20%)

Pension (11%)

Private medical healthcare (family plan included)

27 days holiday

Quarterly employee travel coupon

Community involvement: 4 hours per month

First promotion (and pay rise!) within 6 months

Qualifications

• Strong grasp of object-oriented development principles.
• Sound knowledge of .NET, .NET Core, C#, and Azure SQL.
• Experience with LINQ and MongoDB.
• Familiarity with SOLID, DRY, and clean-code practices.

Responsibilities

• Develop and polish user interfaces that enable global payments.
• Build and maintain APIs and processor integrations for payment instructions.
• Create offline reporting and reconciliation pipelines.
• Collaborate across the stack from UI to back-end.

Skills

Object-oriented development principles

.NET

.NET Core

C#

Azure SQL

LINQ

MongoDB

SOLID principles

DRY principles

Clean code practices

Job description

Overview

As a .NET Developer you will focus on polishing the product while working on a new payment solution. You will operate at all levels of the stack: the UIs that allow people all over the world to pay and get paid in their locally preferred methods, the APIs and processor integrations to send payment instructions to a wide network of partners, the offline reporting and reconciliation pipelines that ensure financial data integrity and allow the business to operate, and more.

Responsibilities

• Develop and polish user interfaces that enable global payment and receiving capabilities.
• Build and maintain APIs and processor integrations to transmit payment instructions to a broad partner network.
• Create offline reporting and reconciliation pipelines to preserve financial data integrity.
• Collaborate across the stack from UI to back‑end and pipeline.

Qualifications

• Strong grasp of object‑oriented development principles.
• Sound knowledge of .NET, .NET Core, C#, and Azure SQL.
• Experience with LINQ and MongoDB.
• Familiarity with SOLID, DRY, and clean‑code practices.

Training & Development

You will receive industry‑recognized training in .NET 10.0, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Solid, DRY, LINQ and MongoDB.

About the Company

Apex Fintech Solutions (AFS) powers innovation and the future of digital wealth management by processing millions of transactions daily, simplifying, automating, and facilitating access to financial markets for all. Our robust suite of fintech solutions enables us to …

Location & Working Arrangement

Lincoln, UK (remote working available)

Salary & Benefits

£40,000 – £60,000 + Bonus + Pension + Benefits. Applicants must be based in the UK and have the right to work in the UK.

• Company shares
• Bonus (typically 20%)
• Pension (11%)
• Private medical healthcare (family plan included)
• 27 days holiday
• Quarterly employee travel coupon
• Community involvement: 4 hours per month to give back to the community
• First promotion (and pay rise!) within 6 months of joining
• Much more…