Senior Software Engineer, Full-Stack Applications

Salary: £65,000 - 105,000 per year

Requirements:

• 7+ years of hands-on experience building enterprise applications and modern web technologies in production environments
• Strong understanding of OOP concepts, design patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code
• Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development
• Experience with ReactJS, Node.js, TypeScript/JavaScript, and modern web development practices
• Hands-on experience with RDBMS databases such as Oracle and PostgreSQL, and NoSQL databases such as MongoDB
• Experience with CI/CD pipelines, GitHub Actions, Kubernetes, shell scripting (Bash) for automation, and AWS cloud platform
• Ability to collaborate with cross-functional teams and communicate technical concepts clearly
• Understanding of AI/ML concepts, experience with LLMs, prompt engineering, or integrating AI capabilities into applications
• Experience with Kafka, PySpark, Parquet and Avro data formats, Apache Airflow, or Streamlit
• Strong SQL design, query optimization, and database architecture expertise
• Experience with observability patterns and tools like Datadog, distributed tracing, monitoring, and logging best practices
• Familiarity with ArgoCD for GitOps and security/access management via IAM federation access through Entra ID
• Experience with analytical workflows, financial products, or regulatory processes

Responsibilities:

• Develop and maintain full-stack applications using Python (FastAPI/Flask) and ReactJS following best practices and design patterns
• Write clean, maintainable code, implement CI/CD pipelines with GitHub Actions, deploy to Kubernetes, and ensure quality through testing and code reviews
• Develop solutions using RDBMS and NoSQL databases, optimize queries, and ensure data integrity
• Partner with product managers, analysts, and other engineers to understand requirements and deliver solutions that meet business needs
• Follow SOLID principles and design patterns, participate in code reviews, solve technical challenges, and contribute to code quality
• Troubleshoot production issues, optimize performance, and help ensure reliability of applications at scale
• Learn and experiment with emerging technologies, share knowledge with the team, and contribute to continuous improvement

Technologies:

• AI
• Airflow
• API
• AWS
• ArgoCD
• Bash
• CI/CD
• Cloud
• Datadog
• FastAPI
• Flask
• GitHub
• GitOps
• IAM
• Support
• JavaScript
• Kafka
• Kubernetes
• MongoDB
• NoSQL
• OOP
• Oracle
• PostgreSQL
• Python
• PySpark
• React
• SQL
• Security
• TypeScript
• Web
• pandas
• NodeJS
• Architect
• Backend
• DevOps
• Frontend
• Java
• Machine Learning
• Network
• Fullstack

More:

We are Fitch Ratings, a global leader in financial information services and part of Fitch Group, which operates in more than 30 countries and is wholly owned by the Hearst Corporation. We are seeking a Senior Software Engineer to join our global Ratings Technology team in Manchester, where you will build and maintain mission-critical full-stack applications that support analysts, executives, and decision-makers in global financial markets. We offer impactful work, a modern technology stack including Python, React, AWS, Kubernetes, and emerging AI technologies, continuous learning opportunities, flexible hybrid working from our Manchester office, competitive compensation, comprehensive benefits, work-life balance, and a culture of innovation and collaboration. We value diverse perspectives, encourage open exchange of ideas, and are committed to equal opportunity employment.

last updated 40 week of 2026