Senior Software Engineer, Full-Stack Applications (Python)

Fitch Ratings, Inc.; Manchester; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid work

Office in Manchester

Competitive compensation

Comprehensive benefits

Work-life balance

Job summary

Fitch Ratings in Manchester is seeking a Senior Software Engineer to join our Ratings Technology team. You will build and maintain mission-critical full-stack applications using Python and React, delivering insights to analysts and decision-makers across global markets.

You will work with AWS, Kubernetes, CI/CD, and modern data tools, collaborating across product and engineering teams while growing toward senior technical tracks in a hybrid Manchester office environment.

Qualifications

• 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.
• Frontend development with ReactJS, TypeScript/JavaScript and modern web development practices.
• Hands-on experience with RDBMS databases (PostgreSQL, Oracle) and NoSQL databases (MongoDB).
• DevOps & Cloud – CI/CD pipelines, GitHub Actions, Kubernetes, Bash, and AWS.
• Effective communication and teamwork.

Responsibilities

• Develop and maintain full-stack applications.
• Contribute to the development lifecycle with clean, maintainable code and CI/CD pipelines.
• Work with diverse data technologies including PostgreSQL, Oracle, and MongoDB.
• Collaborate with product managers, analysts, and engineers to meet business needs.
• Follow SOLID principles and participate in code reviews.
• Troubleshoot production issues and optimize performance for reliability.
• Stay current with emerging technologies and share knowledge across the team.

Skills

Python

ReactJS

AWS

Kubernetes

CI/CD

PostgreSQL

Oracle

MongoDB

TypeScript/JavaScript

Pandas

FastAPI/Flask

Tools

GitHub Actions

Datadog

Airflow

Kafka

PySpark

Job description

Senior Software Engineer, Full-Stack Applications (Python) – Ratings Technology

Location: Manchester

Fitch Ratings is seeking a Senior Software Engineer to join our global Ratings Technology team in Manchester. You'll build and maintain mission‑critical full‑stack applications that power how a world‑leading credit ratings agency delivers insights to analysts, executives, and decision‑makers who shape global financial markets.

You’ll work on Ratings workflow and analytical applications using modern technologies across the full stack—from backend services in Java and Python to frontend applications in React. This role offers the opportunity to work with cutting‑edge cloud technologies, contribute to technical solutions, and grow your skills in a collaborative environment.

What We Offer:

• Impactful work – Build applications used by analysts worldwide with direct visibility to your contributions
• Modern technology stack – Work with Python, React, AWS, Kubernetes, and emerging AI technologies
• Continuous learning – Training, certifications, conferences, and clear paths to senior/principal/architect tracks
• Flexible environment – Work from our Manchester office with hybrid flexibility, competitive compensation, comprehensive benefits, and work‑life balance
• Innovation culture – Experiment with new technologies, contribute ideas, and help shape technical decisions

We'll Count on You To:

• Develop and maintain full‑stack applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns
• Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with GitHub Actions, deploy to Kubernetes, and ensure quality through testing and code reviews
• Work with diverse data technologies – Develop solutions using RDBMS (PostgreSQL, Oracle) and NoSQL (MongoDB) databases, optimize queries, and ensure data integrity
• Collaborate across teams – Partner with product managers, analysts, and other engineers to understand requirements and deliver solutions that meet business needs
• Apply engineering best practices – Follow SOLID principles and design patterns, participate in code reviews, solve technical challenges, and contribute to code quality
• Support and improve systems – Troubleshoot production issues, optimize performance, and help ensure reliability of applications at scale
• Stay current with technology – Learn and experiment with emerging technologies, share knowledge with the team, and contribute to continuous improvement

What You Need to Have:

• Full‑Stack Engineering Experience – 7+ years of hands‑on experience building enterprise applications and modern web technologies in production environments
• Software Engineering Fundamentals – Strong understanding of OOP concepts, design patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code
• Backend Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development
• Frontend Development – Experience with ReactJS, , TypeScript/JavaScript, and modern web development practices
• Database Technologies – Hands‑on experience with RDBMS databases (, Oracle, PostgreSQL) and NoSQL databases (, MongoDB)
• DevOps & Cloud – Experience with CI/CD pipelines, GitHub Actions, Kubernetes (K8s), shell scripting (Bash) for automation, and AWS cloud platform
• Effective communication and teamwork – Ability to collaborate with cross‑functional teams and communicate technical concepts clearly

What Would Make You Stand Out:

• AI and Machine Learning – Understanding of AI/ML concepts, experience with LLMs, prompt engineering, or integrating AI capabilities into applications
• Data Technologies – Experience with Kafka, PySpark, Parquet and Avro data formats, Apache Airflow for workflow management, or Streamlit for building interactive data applications
• Advanced Data Management – Strong SQL design, query optimization, and database architecture expertise
• Observability – Experience with observability patterns and tools like Datadog, distributed tracing, monitoring, and logging best practices
• DevOps and Infrastructure – Familiarity with ArgoCD for GitOps and Security/Access Management (IAM federation access via Entra ID)
• Financial Services Background – Experience with analytical workflows, financial products, or regulatory processes

Why Fitch?

At Fitch Group, the combined power of our global perspectives is what differentiates us. Our global network of colleagues comes together to accomplish things greater than they ever could alone.

Every team member is essential to our business, and each perspective is critical to our success. We embrace a diverse culture that encourages a free exchange of ideas, guaranteeing your voice will be heard and your work will have an impact, regardless of seniority.

We are building incredible things at Fitch, and we invite you to join us on our journey.

About Fitch Group