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Mid Level Software Engineer

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: Ocho People
Part Time position
Listed on 2026-01-09
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, Cloud Engineer - Software, Backend Developer
Job Description & How to Apply Below

Mid-Level Software Engineer

Location:

Belfast (3 days per week in office)
Salary:
Competitive + bonus

A global market infrastructure organisation is building the next generation of a cloud-native trading and data platform in partnership with a major public cloud provider. This is a rare opportunity to join a newly formed engineering team working on a large-scale transformation programme using modern architecture and best-in-class technologies.

As a Mid-Level Software Engineer, you'll work alongside senior engineers on the design, development and testing of distributed services and APIs, contributing to a strategic platform that underpins global financial markets. You'll gain hands-on exposure to cloud-native engineering, Infrastructure as Code and modern development practices, while continuously developing your technical skill set.

Role Responsibilities
  • Contribute to the design and development of back-end services and APIs within a distributed, cloud-native architecture

  • Support Agile delivery through planning, estimation and prioritisation activities

  • Implement and maintain Infrastructure as Code using AWS CDK (Python preferred)

  • Write high-quality, well-tested code following engineering best practices

  • Collaborate with engineers, BAs, QA and delivery teams to meet business requirements

  • Participate in Agile ceremonies and promote continuous improvement

  • Troubleshoot and resolve issues to minimise business impact

  • Maintain clear technical documentation and support platform modernisation initiatives

Experience & Skills
  • Commercial experience as a software engineer working across front-end or back-end systems

  • Strong experience with Type Script, HTML5, CSS3 and modern JavaScript frameworks such as React

  • Familiarity with REST APIs, Graph

    QL and modern CSS frameworks such as Tailwind

  • Experience using Git and working in collaborative development environments

  • Exposure to back-end development using Type Script and/or object-oriented languages such as C# or Java

  • Strong problem-solving skills and a desire to learn and grow within a modern engineering environment

Desirable experience includes .NET 8+, cloud platforms (AWS), platform or shared services teams, financial markets exposure and contributions to open-source projects.

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

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