Senior Software Engineer

The Trust; Highgate; Hybrid; GBP 125,000 - 150,000; Part time

Job summary

A leading financial institution is seeking a Senior Software Engineer with expertise in AWS and modern software development. This role involves designing and maintaining secure backend REST APIs and cloud-native services. Candidates should have over 5 years of experience in software engineering, particularly with Python and Golang. The position is hybrid, requiring 3 days onsite in Birmingham. Competitive rate of £525 per day inside IR35.

Qualifications

• 5+ years' experience in software engineering with a focus on distributed systems.
• Strong hands-on skills in cloud-native services.
• Solid understanding of security principles and compliance frameworks.

Responsibilities

• Design, build, and maintain secure, high-performance backend REST APIs.
• Manage and evolve database schemas with Liquibase.
• Troubleshoot incidents and performance issues.

Skills

Python

Golang

AWS

PostgreSQL

DevOps practices

Agile mindset

Tools

Terraform

Kubernetes

Docker

Liquibase

Job description

Senior Software Engineer

Location: Hybrid, 3 days onsite in Birmingham

Duration: 3 Months

Rate: £525/day (Inside IR35)

The Opportunity

We are seeking a Senior Software Engineer with strong expertise in AWS and modern software development to join a high-profile programme at a leading global financial institution. This is a unique chance to work on cloud-native, large-scale, and secure systems that have a real impact across the business. If you\'re passionate about building highly available services, enjoy solving complex technical challenges, and thrive in a collaborative environment - this role is for you.

What You\'ll Do

• Design, build, and maintain secure, scalable, high-performance backend REST APIs and frontend clients using Python, Golang, Docker, and AWS cloud-native services.
• Manage and evolve database schemas with Liquibase, ensuring compliance and audit readiness.
• Partner with Architecture and DevOps teams to enhance product capabilities and CI/CD pipelines.
• Troubleshoot incidents and performance issues, driving root cause analysis and long-term fixes.
• Contribute to best practices around security, reliability, observability, and automation.

What We\'re Looking For

• 5+ years\' experience in software engineering with a focus on distributed, cloud-based systems.
• Strong hands-on skills in Python, Golang, PostgreSQL, and Liquibase (or equivalent DB change management).
• Expertise in AWS/GCP, including IAM, KMS, storage, and other cloud-native services.
• Proficiency in DevOps practices: Infrastructure as Code (Terraform), CI/CD pipelines, Kubernetes, and containerisation.
• Solid understanding of security principles, encryption, and compliance frameworks.
• Experience with enterprise monitoring and observability (e.g., ELK, Splunk, Prometheus, Grafana).
• Agile mindset and proven track record delivering complex projects.

Nice to Have

• Experience in financial services or other regulated industries.
• Knowledge of serverless, microservices, event-driven architectures.
• Additional skills in automation scripting (Terraform, Ansible, etc.).