Software Engineer ( Python )

Key Responsibilities

  • Design, develop, test, and support robust, production-ready software solutions , adhering to modern engineering best practices.
  • Build and maintain microservices-based systems , with a strong focus on scalability, resilience, and performance.
  • Develop and optimise scalable data pipelines , supporting both batch and streaming workloads, using technologies such as Apache Spark .
  • Work extensively with data technologies , leveraging Python and SQL to deliver high-quality analytical and data-driven solutions.
  • Lead the design and delivery of data-centric applications , translating complex business and analytical requirements into well-architected technical solutions.
  • Implement and integrate large language models (LLMs) , including:
  • Utilising both proprietary and open-source models
  • Fine-tuning models to meet specific business use cases
  • Delivering solutions via APIs, such as OpenAI APIs
  • Collaborate closely with product managers, data scientists, and engineering peers to shape technical designs and delivery approaches.
  • Apply strong problem-solving and analytical skills to diagnose issues, optimise performance, and improve overall system reliability.
  • Contribute to architectural decision-making , participate in code reviews, and support the continuous improvement of engineering standards and practices.

Required Skills & Experience

  • Demonstrable hands-on experience developing production-grade backend systems .
  • Proven experience designing and implementing microservices architectures , ideally within cloud environments .
  • Strong background in data engineering , including building and maintaining large-scale data pipelines.
  • Advanced proficiency in Python and SQL .
  • Practical experience working with large language models , including model fine-tuning and API-based integrations (e.g. OpenAI).
  • Experience in solution and system design , particularly for data-driven and analytical platforms.
  • Solid understanding of core software engineering principles , including version control, automated testing, and deployment pipelines.
  • Excellent analytical thinking and problem-solving skills , with a pragmatic and delivery-focused mindset.

Desirable Skills

  • Experience working with major cloud platforms such as AWS, Azure, or GCP.
  • Familiarity with containerisation and orchestration technologies (e.g. Docker, Kubernetes).
  • Exposure to MLOps practices or deploying AI/ML models into production environments.
  • Experience working in agile or fast-paced delivery teams .

Job Details

Company
Experis
Location
City of London, Greater London, UK
Posted