QA Engineer
Hybrid (2–3 days onsite per week)
Financial Services / FinTech Environment

The Opportunity:

We’re looking for a QA Engineer to join a global team working on API-driven systems within a fast-paced financial environment.

This is a hands-on role focused heavily on automation, integration, and performance testing, with the chance to work on modern QA practices and AI-assisted testing approaches.

What You’ll Be Doing:

• Developing and maintaining automated test scripts using Java & Cucumber
• Performing API automation testing across distributed systems
• Conducting integration testing to validate system interactions
• Designing and executing performance test plans
• Analysing test results and identifying areas for optimisation
• Working closely with developers, product teams, and stakeholders across the SDLC
• Contributing to AI-assisted QA approaches using tools such as GitHub Copilot

What They’re Looking For:

• 5+ years of experience in Java automation testing
• Strong hands-on experience with:

• • Cucumber
  • API automation testing
  • Integration & performance testing

Why Apply?

• Join a collaborative global engineering environment
• Work on modern automation frameworks and API-driven systems
• Exposure to AI-enhanced QA practices
• Flexible hybrid setup with strong technical ownership

Software Test Engineer 

Remote (Europe-based)

The Opportunity:
Join a team building a collateral exchange platform used by leading financial institutions, where quality, resilience, and security are critical.

This is a chance to work on complex, distributed systems in a highly regulated environment, with a strong focus on engineering excellence and test quality.

What You’ll Do:
• Test distributed systems (REST APIs, messaging, async workflows)
• Deliver functional, integration & end-to-end testing
• Contribute to non-functional testing (performance, resilience, failover, security)
• Build and maintain test frameworks, simulators, and tooling
• Collaborate with engineering and product teams in an agile environment

What You’ll Need:
• Experience testing complex distributed systems
• Strong background in non-functional testing
• JVM experience (Java/Kotlin or similar)
• Hands-on with test frameworks (e.g. Cucumber)
• Structured approach to testing in high-assurance environments

Tech Stack:
Kotlin, Spring Boot, REST APIs, messaging systems, Docker, distributed ledger components

Why Apply?
• Fully remote across Europe
• Work on enterprise-scale, high-impact systems
• Modern tech stack & strong engineering culture
• Exposure to regulated financial environments

Full Stack Python Developer | Fintech | Full Time

We are seeking a Full Stack Developer for a Global Financial Markets development team with strong experience managing the complete development lifecycle of software applications to support traders and salespeople in their daily business activities. With your analytical and problem-solving skills, you will join a dynamic team and be responsible for managing each stage of development from gathering business requirements to development, testing, deployment, and ongoing maintenance.

Responsibilities

• Manage the entire development process, including gathering business requirements, designing solutions, implementing features, and conducting thorough testing.
• Maintain and enhance existing applications while ensuring high standards of code quality and performance.
• Work closely with cross-functional teams, including product managers, designers, and quality assurance, to deliver solutions that meet business needs.
• Utilize strong analytical skills to troubleshoot issues and optimize system performance.
• Oversee the deployment process and ensure ongoing maintenance and support for applications.
• Provide guidance and mentorship to junior developers, fostering a collaborative and growth-oriented environment.

Requirements

• Over 4 years of professional experience in full stack development with a strong portfolio showcasing developed and completed projects.
• Proficiency in front-end technologies (HTML, CSS, TypeScript) and experience with frameworks such as Angular
• Proficiency in back-end technologies with solid experience in Python
• Experience with relational databases; PostgreSQL is considered an asset.
• Familiarity with version control systems (e.g., Git), agile methodologies, and CI/CD pipelines.
• Experience with cloud technologies, including AWS, Docker, and Kubernetes.
• Exceptional analytical skills and a proactive approach to identifying and resolving issues.
• Strong work ethic, dedication, analytical thinking, and a problem-solving attitude.
• Experience or knowledge in finance or financial markets is an asset.
• AI/GenAI Frameworks (Desirable)

Languages:

• French Speaking (Desired)

If you or someone you know is interested in this position, apply below or reach out to matthew.dobreecarey@caspianone.co.uk