Integration Engineer

Job in Greater London, London, Greater London, W1B, England, UK

Listing for: Oscar Associates Limited

Full Time position
Listed on 2026-07-10

Job specializations:

Software Development
Backend Developer, .NET Developer, SQL Developer

Salary/Wage Range or Industry Benchmark: 55000 GBP Yearly GBP 55000.00 YEAR

Location: Greater London

Salary: £55,000 - 55,000 per year

Requirements

Experience developing with C# and .NET
Knowledge of REST APIs, JSON/XML, and SQL
Strong analytical and troubleshooting skills
Excellent communication skills and a collaborative mindset
Experience with Azure or enterprise integrations would be a bonus
5 years in software engineering or systems integration
Strong distributed systems and troubleshooting experience
Experience in real‑time or high‑throughput environments
Strong SQL and backend or scripting skills, including C#, Python, Java, or C++
Customer‑facing delivery experience
Capital markets experience is a bonus

Responsibilities

Design and deliver smart, scalable integrations that connect business‑critical systems
Develop robust integrations, automate business processes, and solve complex technical challenges
Work closely with customers and internal teams to understand requirements and design effective solutions
See projects through from concept to delivery
Configure platform components and integrate client systems
Translate business requirements into scalable technical solutions using C#, .NET, SQL, and APIs
Work directly with traders, quants, IT, and business stakeholders to shape solutions
Own delivery end‑to‑end and ensure quality, timelines, and requirements are met
Help evolve integration patterns and extend functionality where needed

Technologies

Azure
Backend
C#
Support
JSON
Java
Python
REST
SQL
XML
ASP.NET
Cloud

We are hiring a .NET Integration Engineer to join our growing team and help design and deliver solutions that connect business‑critical systems. We work with modern Microsoft technologies and support exciting, high‑impact projects where technical expertise and customer impact go hand in hand. In this role, you will collaborate with talented colleagues and customers, with opportunities for learning, development, and career progression.

We are focused on ownership, solution design, and client delivery across complex distributed systems, including environments involving traders, quants, IT, and business stakeholders.

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