Senior Software Engineer – Benchmark & Index Platforms

Synechron; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Synechron is seeking a Senior Software Engineer for Benchmark & Index Management in London. The role focuses on building scalable, secure index systems within a hybrid work model.

You will own end-to-end software delivery with a strong emphasis on performance, automation, and collaboration across business and engineering teams. You will leverage C# .NET, REST APIs, and microservices, with extensive exposure to AWS services and data-intensive processing.

Qualifications

• Over 8+ years proven experience as a Software Developer, architecting and delivering large-scale data-intensive applications.
• Solid experience in database modelling, performance tuning, and optimization.
• Proficiency with SQL Server stored procedures and T‑SQL.
• Experience building RESTful APIs and microservices in C# .NET.
• Strong knowledge of AWS services (EC2, EKS, Lambda, SQS/SNS).
• Familiarity with CI/CD pipelines, unit tests, and BDD tooling.

Responsibilities

• Lead development through high-quality software design and architecture.
• Identify priorities and drive tasks across the SDLC.
• Develop scalable tools and applications with clean, efficient code.

Skills

C# .NET

REST APIs

Microservices

AWS Cloud

SQL Server

Data-intensive apps

Java SpringBoot

Python integration

Tools

Kubernetes

Git

CI/CD

PostgreSQL

Job description

Synechron is seeking a Senior Software Engineer for Benchmark & Index Management in London. The role focuses on building scalable, secure index systems within a hybrid work model.

You will own end-to-end software delivery with a strong emphasis on performance, automation, and collaboration across business and engineering teams. You will leverage C# .NET, REST APIs, and microservices, with extensive exposure to AWS services and data-intensive processing.