Functional Tester

Hexa Consulting; Porto; Hybrid; EUR 52,000 - 76,000; Full time

Benefits offered by this job

Private health insurance from day one

Mental health support program

Continuous learning and training

Job summary

Hexa Consulting in Porto seeks a Senior Functional Tester to ensure quality of electronic trading solutions in banking. The role is hybrid in Porto, focusing on manual testing while contributing to automation and continuous quality improvement.

You will design and execute tests across functional, integration and performance areas, validate trading workflows and collaborate with cross-functional teams to enhance test coverage and tooling.

Qualifications

• At least 6 years of experience in Software Quality Assurance, preferably banking/fintech.
• Bachelor's or master's degree in Computer Science, Engineering, Finance or related field.
• Solid understanding of financial markets, especially Fixed Income or Derivatives.
• Proven experience in manual testing of complex, business-critical applications.
• Strong analytical, detail-oriented and structured problem-solving abilities.
• Ability to work autonomously, manage priorities and collaborate with teams.
• English proficiency, written and spoken.

Responsibilities

• Design and execute functional, integration, regression and performance tests for electronic trading applications.
• Validate pricing, order processing, execution and market connectivity workflows.
• Develop and maintain test plans, test cases and execution evidence.
• Verify API interactions, trading messages and data exchanges.
• Identify, document and reproduce defects; collaborate with developers to resolve them.
• Perform latency, load and stress testing to assess system performance.
• Analyze application logs and investigate issues to support root cause analysis.
• Collaborate with developers, business analysts and product owners to improve test coverage.
• Contribute to automated testing evaluation for APIs, UIs and backend services.

Skills

Manual testing

Functional testing

Integration testing

Regression testing

Performance testing

API testing

XML data validation

Linux environments

Shell scripting

Agile methodologies

Test planning

Education

Bachelor's or master's degree in Computer Science, Engineering, Finance or related field

Tools

Python

C#

FIX Protocol

Automation frameworks

XML data validation

Linux scripting

Testing tools suites

Job description

Join Hexa as a Senior Functional Tester and help ensure the quality and reliability of electronic trading solutions within the banking sector. Based in Porto, with a hybrid working model, you will work on Fixed Income applications covering pricing, order processing, trade execution and market connectivity. You will focus primarily on manual testing while contributing to test automation and continuous quality improvement.

WHAT YOU WILL DO

• - Design and execute functional, integration, regression and performance tests for electronic trading applications.
• - Validate pricing, order processing, execution and market connectivity workflows.
• - Develop and maintain test plans, test cases and execution evidence.
• - Verify API interactions, trading messages and data exchanges.
• - Identify, document and reproduce defects, collaborating with developers to support resolution.
• - Perform latency, load and stress testing to assess system performance.
• - Analyze application logs and investigate issues to support root cause analysis.
• - Collaborate with developers, business analysts and product owners to improve test coverage.
• - Contribute to the evaluation and implementation of automated testing for APIs, user interfaces and backend services.

WHAT WE ARE LOOKING FOR

• - At least 6 years of experience in Software Quality Assurance, preferably in banking, financial technology or electronic trading.
• - Bachelor's or master's degree in Computer Science, Engineering, Finance or a related field.
• - Solid understanding of financial markets, particularly Fixed Income or Derivatives, and trading processes.
• - Proven experience in manual testing of complex, business-critical applications.
• - Strong analytical skills, attention to detail and a structured approach to problem-solving.
• - Ability to work autonomously, manage priorities and collaborate with technical and business teams.
• - Professional working proficiency in English, written and spoken.
• - Proactive, adaptable and collaborative mindset.

TECHNICAL SKILLS

• - Manual testing, including functional, integration and regression testing.
• - Test planning, test case design and defect management.
• - Performance testing, including latency, load and stress testing.
• - Electronic trading systems and Fixed Income workflows.
• - API testing and XML data validation.
• - Application log analysis and troubleshooting.
• - Linux environments and basic shell scripting.
• - Fundamental algorithms and software development concepts.
• - Agile methodologies, including Scrum and Kanban.

NICE TO HAVE

• - Experience with the FIX protocol and electronic trading message validation.
• - Test automation using Python or C#.
• - Familiarity with testing tools and automation frameworks.
• - Knowledge of C#, WPF and trading technology frameworks.
• - Professional working proficiency in French.

WHAT WE OFFER

• - Private health insurance from day one, with optional family extension.
• - Free, confidential psychological support through our mental health partnership.
• - Continuous learning, training and certification opportunities.
• - Upskilling in software quality management, information security and cybersecurity best practices.
• - Childcare vouchers and family support initiatives.
• - Team activities, shared experiences and accessible leadership.

EQUAL OPPORTUNITY

At Hexa, we value diversity, inclusion and equal opportunity. In alignment with the Portuguese Diversity Charter, we promote fair recruitment practices and a respectful environment where everyone can contribute and grow.

HEXA LIFE

At Hexa, we are all Builders. We believe meaningful projects, reliable solutions and strong professional relationships are built together.

Our culture is grounded in Honesty, Mutual Support and Agility. We encourage transparent communication, knowledge sharing and continuous improvement.

As a Hexa Builder, you join a connected community where individual expertise strengthens collective success and every contribution matters.