Remote Senior Systems Developer – High-Throughput Fintech

Gainham Recruitment
Full-time , , United Kingdom, , , United Kingdom IT & Technology
Posted:
March 02, 2026
Location:
, , United Kingdom, , , United Kingdom, United-Kingdom

Job Description

A leading global Fintech company is seeking a Senior Systems Developer to join their remote team. The ideal candidate will have advanced proficiency in C programming and deep knowledge of POSIX standards, along with extensive experience in TCP/IP socket programming and ISO 8583 message processing. This full-time role requires designing and implementing large-scale event-driven systems for financial processes. Competitive salary range is £60,000 - £80,000 per annum.
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Job Overview

Job Type: Full-time
Location: , , United Kingdom, United-Kingdom
Posted: March 02, 2026
Deadline: April 11, 2026