Senior Software Engineer

Birchwell Digital; Harrow; Hybrid; GBP 85,000 - 100,000; Full time

Job summary

Birchwell Associates is partnering with a growing technology business to hire a Senior Software Engineer. You will join a senior engineering team to build scalable SaaS products, dependable APIs and cloud services.

The role emphasizes quality, reliability and delivery; you will collaborate with product, design and DevOps to shape the technical direction and deliver new features end-to-end in a hybrid London setting.

Qualifications

• Senior software engineering experience with production-grade apps.
• Strong Python development and API design skills.
• Experience with RESTful APIs and cloud platforms.
• Familiarity with distributed systems and scalable architectures.
• Proficient with CI/CD, testing, version control.
• Excellent cross-team communication.

Responsibilities

• Design, build and maintain backend services and APIs.
• Deliver SaaS features from design to production.
• Improve performance, reliability, observability, and security.
• Collaborate with product, design, data, DevOps and engineering teams.
• Contribute to code reviews, testing, deployment and standards.
• Mentor other engineers and share knowledge.

Skills

Python

RESTful APIs

Cloud platforms

Distributed systems

CI/CD

Automated testing

Version control

Communication

Education

Bachelor's degree in Computer Science

Tools

Git

CI/CD pipelines

Job description

Software Engineering opportunity

Senior Software Engineer.

Join a growing technology business and help build scalable SaaS products, dependable APIs and high-quality cloud services within a senior engineering team.

Job Details

• LocationLondon / Hybrid
• Salary£85,000 - £100,000
• TypePermanent
• SectorSoftware Engineering
• ReferenceBW-SWE-001

Opportunity

Birchwell Associates is supporting a growing technology business in the search for a Senior Software Engineer. This role will suit an experienced engineer who enjoys solving complex product and platform problems while maintaining a strong focus on quality, reliability and delivery.

You will work closely with product, design, data, DevOps and engineering colleagues to build new features, strengthen existing services and help shape the technical direction of a modern SaaS platform.

What you will be doing

• Design, build and maintain scalable backend services and APIs.
• Deliver new SaaS product features from technical design through to production.
• Improve system performance, reliability, observability and security.
• Work with product and design teams to turn customer requirements into well-engineered solutions.
• Contribute to code reviews, automated testing, deployment processes and engineering standards.
• Support and mentor other engineers while sharing knowledge across the wider team.

What we are looking for

• Strong commercial experience in software engineering, including recent work at senior level.
• Strong Python development skills and experience building production-grade applications.
• Experience designing and integrating RESTful APIs or comparable service interfaces.
• Knowledge of cloud platforms, distributed systems and scalable application architecture.
• Experience with databases, automated testing, version control and CI/CD workflows.
• Clear communication and confidence working across technical and non-technical teams.

What is on offer

• Salary between £85,000 and £100,000, depending on experience.
• Hybrid working from London.
• A senior role with influence over architecture, engineering standards and product delivery.
• Modern cloud tooling and the opportunity to work on a growing SaaS platform.
• A collaborative engineering environment with scope for continued technical and career development.