Senior .NET Engineer - Cloud-Native, Scale & Mentoring

Ocho People; Belfast City District; Hybrid; GBP 58,500 - 71,500; Full time

Benefits offered by this job

Hybrid working

Belfast base office

Job summary

Ocho People is seeking a Senior Software Engineer to join a world‑leading tech organisation. You’ll design, build and maintain distributed, cloud‑native systems using .NET and C#, delivering REST and GraphQL APIs with robust testing.

You’ll influence technical direction, mentor engineers and thrive in a hybrid Belfast environment. The role focuses on scalable solutions with modern automation and cross‑functional collaboration.

Qualifications

• Proven experience designing, developing and maintaining distributed, event driven, cloud native systems.
• Expertise in modern .NET technologies (.NET Framework and .NET Core) using C#
• Strong experience in API design and development across REST and GraphQL
• Solid understanding of relational database design and optimisation with MSSQL or MySQL
• Hands on experience deploying and managing cloud environments on AWS or Azure
• Comprehensive knowledge of the full SDLC with proactive involvement across design, development, QA and post release support
• Strong problem solving skills and ability to validate approaches through proof of concepts
• Experience building automated testing solutions for complex systems
• Ability to balance pragmatism with innovation and deliver high quality solutions under tight deadlines

Responsibilities

• Collaborate with Solution Architects and Principal Engineers to design and implement solutions aligned with IT strategy and technical vision
• Take ownership of engineering deliverables, ensuring quality, scalability and adherence to best practices
• Design and develop distributed, event driven, cloud native systems across the full software development lifecycle
• Build and maintain REST and GraphQL APIs to a high standard
• Drive continuous improvement by exploring new technologies, tools and methodologies
• Mentor and support team members, fostering a culture of learning and technical excellence
• Communicate progress effectively and proactively raise impediments to minimise delivery risks
• Build automated testing solutions for complex systems

Skills

Distributed systems

C#/.NET

REST APIs

GraphQL APIs

Cloud platforms

SQL databases

Automation testing

SDLC

Tools

AWS

Azure

MSSQL

MySQL

CI/CD

Job description

Ocho People is seeking a Senior Software Engineer to join a world‑leading tech organisation. You’ll design, build and maintain distributed, cloud‑native systems using .NET and C#, delivering REST and GraphQL APIs with robust testing.

You’ll influence technical direction, mentor engineers and thrive in a hybrid Belfast environment. The role focuses on scalable solutions with modern automation and cross‑functional collaboration.