Senior Software Development Test Engineer

Paysafe Group; City of Westminster; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading payments platform in the United Kingdom is seeking a Senior Software Development Test Engineer to implement test strategies for Java and Salesforce applications. Candidates should have 5-10 years of software quality assurance experience, strong skills in test automation tools, and effectiveness in communication. This role offers flexible working hours, mentoring opportunities, and a comprehensive benefits package including private health insurance, discounts on memberships, and enhanced family policies.

Benefits

Flexible working hours

Free breakfast, fresh fruit and snacks

Private health and dental insurance

Qualifications

• 5-10 years of experience in software quality assurance and testing.
• Experience testing Salesforce Lightning Web Components.
• Ability to communicate effectively in English.

Responsibilities

• Define and implement test strategies for Java and Salesforce applications.
• Publish test reports and participate in Go/No-Go decisions.
• Execute tests and assure quality.

Skills

Java test automation

Salesforce testing

API testing

Functional testing

Integration testing

End-to-end testing

CI/CD integration

Git

JIRA

Confluence

Education

University degree in Computer Science or equivalent

Tools

JUnit

Selenium

GitLab

Job description

Responsibilities

• Define and implement test strategies for Java and Salesforce-based applications, champion shift-left testing, automation best practices, and continuous quality.
• Design test plans, automate test cases, and present test strategies for team review.
• Define test strategies for large, complex products delivered in a distributed agile environment.
• Execute tests, capture test results, and assure quality.
• Publish test reports and participate in Go- or No-Go decision.
• Ensure effective communication of project and testing status to Development teams.
• Suggest improvements in processes, best practices, and standards, and coach team members.

Qualifications

• Senior Software Development Test Engineer with 5-10 years of experience in software quality assurance and testing.
• Experience with Java test automation tools: JUnit, Mockito, WireMock, Playwright, Selenium.
• Experience testing Salesforce Lightning Web Components (LWC), creating and maintaining Apex unit tests, using Provar (nice-to-have).
• Understanding of QA methodologies, lifecycle, and processes.
• Work with Development to review new feature designs and validate test specifications to ensure they are comprehensively tested and meet customer expectations.
• Identify defects and own them through the resolution and verification cycle.
• Experience in functional, integration testing and end-to-end testing across various systems.
• Experience testing APIs (REST, JSON, SOAP) and third-party integrations.
• Integrate automated tests into CI/CD pipelines (GitLab CI, SFDX, Scratch Org, metadata deployments).
• Previous experience with mission-critical production issues involving data volumes and speed.
• Experience with Git, GitLab, JIRA, Confluence.
• University degree in Computer Science, Programming, or equivalent.
• Ability to communicate effectively in English (written and spoken).
• Previous work experience in a Payment/e-commerce company.
• Experience with load testing of web applications.
• Mentoring Junior and Intermediate SDETs.

Benefits

• Flexible working hours.
• Option to buy or sell holiday and carry over up to 5 days into the next year.
• Social events with rooftop terrace view of St Pauls Cathedral.
• Fully equipped facilities: showers, hairdryers, straighteners, fresh towels.
• Free breakfast, fresh fruit and snacks.
• Dedicated wellbeing room.
• Enhanced paid family policies.
• Test our products Skrill and Neteller; £50 into each wallet upon joining.
• Discounts on memberships via vitality: gyms, leisure centres, yoga/Pilates across the country.
• Support purchasing Apple and LG products via Stormfront technology.
• Six employee-led equality communities to celebrate diversity and create opportunities.
• Four paid charity days.
• Summer hours June, July, August with 3pm finish every Friday.
• Private health insurance (pre-existing conditions included) & dental insurance, income protection, life assurance.

About Paysafe

Paysafe is a leading payments platform with an extensive track record of serving merchants and consumers in the global entertainment sectors. With 29 years of online payment experience, an annualized transactional volume of $152 billion in 2024, and approximately 3,300 employees located in 12+ countries, Paysafe connects businesses and consumers across 260 payment types in 48 currencies around the world. Delivered through an integrated platform, Paysafe solutions are geared toward mobile‑initiated transactions, real‑time analytics and the convergence between brick‑and‑mortar and online payments.

What to Expect Next

1. Phone screen with Talent Acquisition.
2. Technical interview with members of the QA team.
3. Competency‑based interview with the hiring team.
4. Final in‑person HR interview with Talent Acquisition.

Next Steps

If you’re successful joining the team, you’ll be meeting our CEO in person during our new joiner’s breakfast in London—a great opportunity to network with your peers.