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Senior software development engineer in test

Hemel Hempstead
Permanent
Eckoh plc
Development engineer
€50,000 a year
Posted: 9h ago
Offer description

Eckoh is a market leader of Customer Engagement Security Solutions, supporting an international client base from our offices in the U.S. and the U.K. Eckoh is owned by Bridgepoint one of the world's leading private asset growth investors, with over $75 billion of assets under management.

As a PCI DSS Level 1 Service Provider, our products and expanding digital and conversational AI capabilities help enterprises protect sensitive data, improve customer experience, and modernise the way they operate. Our mission is to set the standard for secure interactions between consumers and the world’s leading brands. With a strong heritage in secure payments and an expanding portfolio of cloud native, omni-channel engagement solutions our vocation is simple: to make every customer interaction secure whether it is handled by a human agent or an AI agent, without ever compromising the customer experience.

Our large portfolio of clients, which includes many of the Fortune 250, come from a broad range of vertical markets including healthcare, retail, hospitality, financial services, and utilities.


The Role

We are looking for an experienced Software Development Engineer in Test (SDET) with strong engineering capabilities and a passion for automation, reliability, and building high-quality software. As an SDET at Eckoh, you will design, build, and maintain automated test frameworks that power our continuous delivery pipelines. You will work closely with engineering, QA, DevOps, product, and architecture teams to ensure we deliver robust, scalable, and secure products across our platform.

You will be responsible for improving testability across the codebase, shaping how we build automation, and ensuring fast, dependable feedback loops for development teams. This role is ideal for someone who enjoys solving complex engineering problems, driving quality improvements at scale, and raising engineering standards across multiple products.

You will work as part of a Scrum team, actively participating in Scrum ceremonies, refining requirements, and ensuring stories meet the Definition of Ready and Definition of Done through strong acceptance criteria, automation strategies, and test coverage.


Key Functional Responsibilities

* Design, develop, and maintain automated functional, integration, and regression tests across both UI and API layers using BDD principles.
* Build and maintain volume, load, and performance tests using k6, ensuring coverage of system performance characteristics and scalability.
* Develop reliable, maintainable automated tests that execute efficiently within GitLab CI/CD pipelines.
* Improve the reliability, performance, and scalability of automated test suites; identify and eliminate flaky tests.


Collaboration & Engineering Practices

* Collaborate with developers, product owners, and UX as required to understand system behaviour, edge cases, and user flows.
* Participate in code reviews to ensure test maintainability, engineering quality, and consistent automation patterns.
* Support developers in designing testable features by contributing to technical design discussions and architectural reviews.
* Assist in story elaboration and creation of clear, testable acceptance criteria aligned to Definition of Done.
* Partner with QA engineers to complement manual and exploratory testing with strong automation coverage.


Platform, Tooling, and Infrastructure

* Work closely with DevOps / Platform Engineering and engineering teams to integrate automation seamlessly into AWS-based and containerised environments.
* Use Pact Broker to manage API contracts and enforce compatibility across distributed services.
* Design and execute chaos experiments using AWS FIS to validate resilience and fault tolerance.
* Ensure test results are visible, actionable, and integrated into GitLab merge requests and CI pipelines.


Quality, Security & Best Practice

* Promote good engineering practices such as code reviews, static analysis, and security scanning.
* Collaborate with developers and system engineers to identify and address performance bottlenecks.
* Advocate for code quality, maintainability, and continuous improvement within the testing and engineering communities.
* Mentor engineers on test automation, frameworks, debugging, and quality engineering principles.
* Actively contribute to the SDET Quality Engineering Community of Practice.


Profile


Essentials

* 4+ years’ experience in software engineering or test automation.
* Strong programming skills in JavaScript/TypeScript and Python.
* Hands‑on experience with modern automation tools such as Cypress, Playwright, Selenium, Jest, pytest, or similar.
* Experience working with GitLab CI/CD including pipeline orchestration, automated checks, and analysing MR test runs.
* Strong knowledge of API testing (REST/GraphQL), integration testing, and the testing pyramid.
* Experience testing in containerised environments (Docker, Testcontainers).
* Ability to debug issues across multiple layers of a distributed system.
* Strong understanding of modern engineering practices, DevOps principles, and continuous delivery environments.
* Previous experience working in Agile/Scrum delivery teams.


Desirables

* Exposure to using AI in testing, whether leveraging AI‑based quality tools or testing AI‑driven systems.
* Experience working in AWS environments (ECS, Lambda, S3, CloudWatch).
* Experience with Kubernetes and testing in large microservices architectures.
* Familiarity with contract testing (Pact), performance testing (k6, JMeter), or accessibility testing techniques.
* Experience with security testing and standards such as PCI DSS, ISO 27001, SOC2.
* Knowledge of static analysis and security tools (Semgrep, eslint, SonarQube, Veracode, JFrog Xray).
* Exposure to microservices, distributed systems, or event‑driven architectures.


Our culture

Our values sit at the heart of the culture at Eckoh:

We encourage and support everyone to grow with Eckoh

We challenge, listen, and are open minded to change and suggestions from others

As trusted advisors, we use our knowledge to solve challenges and deliver the best for our clients

We take personal ownership to strive for excellence in whatever we do

We are welcoming, embrace diversity and respect each other in a spirit of true humanity

At Eckoh we value creativity, collaboration and innovation and look forward to welcoming a new team member who shares these values.


Join Us!

As an SDET at Eckoh, you help accelerate delivery while increasing confidence and stability across our products. You’ll contribute directly to a culture of shared quality ownership and ensure our automation strategy supports a fast‑moving, cloud‑based engineering organisation.

So, if you are an innovator and love to find creative solutions to challenges, are passionate about helping customers provide exceptional service then you should consider working here at Eckoh.

Job Types: Full‑time, Permanent

Pay: From £50,000.00 per year


Benefits

* Bereavement leave
* Casual dress
* Company pension
* Free flu jabs
* Free parking
* On‑site parking
* Referral programme
* Sick pay
* Work from home

Work Location: Hybrid remote in Hemel Hempstead HP3 9HN

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