Software Engineer III - Python, React

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That’s why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of customers in the US, we have been rapidly expanding our presence in the UK and soon across Europe. We have been building the bank of the future from the ground up, offering you the chance to join us and make a significant impact.

As a Software Engineer IIIat JPMorgan Chase within the International Consumer Bank, you will be a seasoned member of an agile team building data and analytics products, delivering secure, stable, and scalable solutions. You will work closely with data engineering and analytics partners to develop user-facing experiences and backend services that enable trusted data collection, processing, access, and insights. You are responsible for developing, testing, and maintaining critical application and architectures across multiple technical areas within various business functions in support of the firm’s business objectives.  

Job responsibilities 

• Design, build, test, deploy, and maintain full stack applications supporting a data & analytics product, with strong focus on operational stability and resiliency.
• Develop and maintain microservices and event-driven architectures, including RESTful APIs and integration patterns for data workflows.
• Build modern, responsive UIs using React (and TypeScript where applicable) for data-heavy user experiences.
• Partner closely with data engineers/analytics teams to integrate datasets into analytics platforms and enforce requirements for data accuracy, completeness, and timeliness.
• Apply strong SDLC discipline across requirements, design, development, testing, deployment, release, and support using agile practices and CI/CD.
• Implement solutions on cloud platforms (preferably AWS) using services such as S3, EKS, IAM, Aurora Postgres, Lambda, and container-based runtime environments.
• Contribute to process automation and continuous improvement—identify gaps, implement reusable frameworks, and raise engineering quality through testing and observability.

 

Required qualifications, capabilities, and skills 

• 3+ years of software development experience.
• Advanced hands-on development experience in Python and React (or equivalent modern languages/frameworks), including debugging and maintaining code in a large corporate environment.
• Strong knowledge of SDLC and agile practices, including CI/CD, application resiliency, and security.
• Hands-on experience with microservices and event-driven architecture.
• Experience with container technologies such as Kubernetes, ECS, or Cloud Foundry.
• Strong working knowledge of RESTful APIs, and practical experience in system design and application development/testing/operational stability.
• Strong Python ecosystem experience (e.g., NumPy, Pandas, Spark) and solid SQL skills for composing complex queries.
• Ability to tackle design and functionality problems independently with little to no oversight.
• Bachelor’s degree (Computer Science, Engineering, Information Systems, or related) or equivalent practical experience.

 

Preferred qualifications, capabilities, and skills 

• Experience with TypeScript and modern React development practices.
• Exposure to AWS services including S3, EKS, IAM, Aurora Postgres, Lambda and large-scale system architecture and design.
• Familiarity with NoSQL as well as RDBMS concepts (SQL/NoSQL).
• Understanding of distributed systems, data streaming, and scalable processing frameworks (e.g., Kafka, Spark Structured Streaming, Flink, Beam).
• Experience with Infrastructure-as-Code (ideally Terraform) for cloud-based infrastructure.
• Strong testing mindset: unit tests (mocking frameworks) plus automated component/integration/end-to-end testing.
• Understanding of security frameworks/standards and privacy principles.