Senior Software Engineer (SSE 2)

Ocho People; Belfast; Remote; GBP 60,000 - 70,000; Full time

Job summary

A leading payments company is seeking a Senior Software Engineer to enhance their backend services. Applicants should have 3-5 years of experience in fintech, proficiency in an OO language like Java or C#, and an understanding of payment systems. This role offers 100% remote work and high autonomy to shape impactful solutions.

Qualifications

• 3-5 years' experience in a software engineering role, ideally in fintech or payments.
• Comfortable working across a variety of project sizes.
• Understanding of database design fundamentals.

Responsibilities

• Build and enhance backend services for payment infrastructure.
• Contribute to projects from greenfield builds to modernising legacy systems.
• Support deployments across test and production environments.

Skills

Commercial experience in payments

Proficiency in Java or C#

Working knowledge of design patterns

Understanding of Linux or Windows environments

Job description

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Senior Software Engineer (SSE 2), Belfast

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Client:

Location:

Belfast, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

5da9c608dec2

Job Views:

9

Posted:

12.08.2025

Expiry Date:

26.09.2025

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Job Description:

Software Engineer II - Payment Systems
Location: 100% Remote (Ireland or UK)
Salary: £/€ 60-70K

We're partnering with a leading payments company to help grow their engineering team with a key hire - a Software Engineer II who can contribute to the design and build of modern backend services and customer-facing portals. This is a hands-on development role focused on solving real-world challenges in the payments space.

It's essential that you bring commercial experience in the payments domain, with a strong understanding of how payment systems operate - authorisation flows, settlement, compliance, and security are all part of your toolkit.

What you'll be working on:

Building and enhancing backend services and platform tooling used across a global payment infrastructure

Contributing to projects ranging from greenfield builds to modernising legacy systems

Working with modern software techniques including BDD and CI/CD

Collaborating with product and platform teams to solve real customer problems

Supporting deployments across test and production environments

What you'll bring:

3-5 years' experience in a software engineering role, ideally in a fintech or payments environment

Proficiency in an OO language such as Java or C#

Working knowledge of design patterns, refactoring, and clean code principles

Comfortable working across a variety of project sizes - from solo builds to cross-functional delivery teams

Understanding of Linux or Windows environments and database design fundamentals

What to expect:

100% remote working from anywhere in Ireland or the UK

A genuinely collaborative team with no unnecessary processes

High autonomy and the chance to shape solutions that impact real users

Encouragement to experiment, grow, and master your craft

Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn.