Lead Python Software Engineer - £650+ p/d Inside IR35 in London

Lead Python Software Engineer - £650+ p/d Inside IR35 in London

London Full-Time 60000 - 80000 £ / year (est.) No working from home possible
Exalto Consulting ltd

At a Glance

  • Tasks: Design and develop scalable Python applications while leading technical delivery across projects.
  • Company: Join Exalto Consulting, a leader in delivering innovative tech solutions.
  • Benefits: Competitive daily rate, hybrid work model, and opportunities for continuous learning.
  • Other info: Mentor junior engineers and drive innovation in a dynamic team.
  • Why this job: Work on impactful projects with cutting-edge technologies in a collaborative environment.
  • Qualifications: 7+ years of Python experience and strong leadership skills required.

The predicted salary is between 60000 - 80000 £ per year.

Contract Type: Inside IR35

Rate: £650+ per day

Location: Hybrid (3 days on site in London/Leatherhead)

Duration: Long-term contract

Clearance: Active and transferable SC clearance required

About the Role

Exalto Consulting is supporting a client delivering complex, business-critical technology solutions and is seeking an experienced Lead Python Software Engineer to join a highly skilled engineering team. This is an opportunity to work on innovative and technically challenging projects where problem-solving, creativity, and engineering excellence are highly valued. You will be contributing to the design, development, and evolution of bespoke software solutions, working with modern technologies across cloud, data, and DevOps environments. The role would suit someone who enjoys tackling complex technical challenges, leading by example, and helping to shape high-quality software delivery within a collaborative engineering culture.

What You’ll Be Doing

  • Designing, developing, and maintaining scalable Python applications and services.
  • Building and supporting data processing pipelines and backend systems.
  • Leading technical delivery across projects and providing guidance to development teams.
  • Producing high-quality technical designs, documentation, and architectural artefacts.
  • Driving software quality through unit, integration, and end-to-end testing practices.
  • Collaborating with DevOps, infrastructure, and platform teams to support cloud-based deployments.
  • Identifying opportunities for automation, optimisation, and continuous improvement.
  • Mentoring junior engineers and contributing to engineering best practices across the team.
  • Working closely with stakeholders to understand requirements and translate them into robust technical solutions.

What You’ll Bring

Essential Skills & Experience
  • At least 7 years’ commercial experience developing software with Python.
  • Strong understanding of both Object-Oriented Programming (OOP) and functional programming principles.
  • Proven experience leading software development teams and mentoring engineers.
  • Strong background in software testing, including unit, integration, and end-to-end testing.
  • Experience producing technical designs, specifications, and supporting documentation.
  • Experience building or supporting data processing pipelines.
  • Good understanding of DevOps practices and modern cloud or virtualisation platforms.
  • Strong problem-solving skills and the ability to think creatively when overcoming technical challenges.
  • Excellent communication and stakeholder engagement skills.
  • Passion for learning new technologies and driving innovation.
Desirable Experience
  • Experience working within AWS environments.
  • Exposure to Elasticsearch and Kibana.
  • Containerisation experience using technologies such as Docker, Kubernetes, or OpenShift.
  • Understanding of security concepts and protocols including PKI, TLS, and secure communications.
  • Experience working in highly regulated, secure, or mission-critical environments.

Why Apply?

This role offers the chance to work on challenging projects using modern technologies while contributing to solutions that have real-world impact. You’ll be joining a team that values technical excellence, collaboration, innovation, and continuous learning.

Whether you’re currently working as a Senior Python Engineer, Lead Python Developer, Principal Software Engineer, or Backend Python Engineer, we’d be interested in speaking with you if you’re looking for your next contract opportunity.

To find out more, please get in touch with Exalto Consulting.

Lead Python Software Engineer - £650+ p/d Inside IR35 in London employer: Exalto Consulting ltd

Exalto Consulting is an exceptional employer, offering a dynamic work environment where innovation and technical excellence are at the forefront. With a strong emphasis on collaboration and continuous learning, employees have the opportunity to tackle complex challenges while contributing to impactful projects. The hybrid working model in London/Leatherhead allows for flexibility, making it an attractive choice for those seeking meaningful and rewarding employment.

Exalto Consulting ltd

Contact Details:

Exalto Consulting ltd Recruitment Team

We think you need these skills to ace Lead Python Software Engineer - £650+ p/d Inside IR35 in London

Python Development
Object-Oriented Programming (OOP)
Functional Programming
Software Testing
Unit Testing
Integration Testing
End-to-End Testing