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Senior QA Engineer

Deploja AB Solna, Sweden

onsitefull-time
Posted Nov 28, 2025Apply by Jan 30, 2026

Role & seniority

  • Senior QA/QA Engineer with hands-on test automation, integration, and performance testing experience.

Stack/tools

  • QA & test automation, integration testing, performance testing in large IT environments

  • Mentoring/testing practices, stakeholder collaboration

  • Knowledge areas: migration testing, custody domain familiarity, mainframe/AS-400 context (nice-to-have)

Top 3 responsibilities

  • Lead and mentor system and acceptance testers in large-scale, multi-team programs

  • Define and organize testing efforts independently, guiding testing strategy where requirements evolve

  • Collaborate with Program Test Lead, Product Owners, Architects, and Tech Leads to ensure quality alignment across projects

Must-have skills

  • Proven senior QA/QA Automation experience with hands-on testing

  • Mentoring and leadership capabilities in testing practices

  • Strong communication and stakeholder management

  • Experience with large, complex systems/projects and multi-team programs

  • Structured, detail-oriented problem-solving; ability to work with evolving requirements

  • Technical background in QA or development (understanding test architecture)

Nice-to-haves

  • Migration testing experience (data/system migrations)

  • Knowledge of custody services or securities

  • Mainframe/AS-400 knowledge (especially for legacy integrations)

Location & work type

Location: not specified

Work type: consulting-based role; employed by Deploja and assigned to client or internal projects

Notes

Full Description

We now have a new requirement and are looking for a consultant colleague with the qualifications listed below. The position is part of our consulting business, which means you will be employed by us and work either with clients or on internal projects and assignments. As part of your application, you may be presented to clients/partners as part of the recruitment process. If selected for the assignment, you will be employed by us and work either with clients or on internal projects and assignments as part of our consulting business.

Essential requirements

  • Senior Experience in QA & Test Automation

  • Proven track record as a QA Engineer with hands-on experience in automated testing, integration testing, and performance testing within complex IT environments.

Mentoring & Leadership in Testing Practices

  • Ability to mentor and guide system and acceptance testers, particularly in large-scale, multi-team programs.

Strong Communication & Stakeholder Management Skills

  • Comfortable working closely with roles such as Program Test Lead, Product Owners, Architects, and Tech Leads to ensure quality alignment.

Experience with Large, Complex Systems/Projects

  • Background in large-scale transformation initiatives, including systems with complex integrations.

Structured & Detail-Oriented with Problem-Solving Skills

  • Ability to define and organize testing efforts independently, even when initial requirements are vague or evolving.

Technical Background in QA or Development

  • Education or experience as a developer or technical tester, capable of understanding the technical landscape and test architecture.

Meritorious

  • Experience with Migration Testing

  • Background in supporting data or system migrations, particularly validating transitions between legacy and modern platforms.

Knowledge of Custody Domain

  • Understanding of custody services or securities is a plus

Mainframe/AS-400 Knowledge

  • Familiarity with mainframe systems (e.g. AS-400) adds value, especially if legacy integrations are involved in the migration.

Last day to apply: 30-01-2026

About Us We currently employ experienced consultants in areas such as System Development, AI, Machine Learning, Testing, Cloud, Infra DevOps, and IT Project Management.

Working at Deploja is something entirely different from working at an ordinary consulting company—and we are really proud of that. So, what makes us unique?

We simply offer more than just a high salary and greater freedom; that’s just the beginning. With us, you’ll find the work environment and opportunities you deserve. Welcome to Deploja, where the grass is indeed greener!

Vi erbjuder dig följande, Valet är ditt! 🚀 Exciting assignments with our many clients. We focus on long-term projects, which gives you the opportunity to create value for the client while also developing yourself. 🌟 A secure monthly salary – together we’ll agree on a base salary depending on your assignments. 🚗 Company car – we encourage you to choose an electric car for a more sustainable future. 💼 Occupational pension and great opportunities for salary conversion. 🌴 Vacation – Would you like more than 30 days of vacation, perhaps 60 days? 🏥 Private health insurance, accident insurance, and life insurance for increased security. 📚 Skills development – you set your own budget and choose the training you wish to attend. 🕑 Quality of life – Are you struggling to balance everyday life and wish to work a little less while still earning as much, if not more? We handle applications continuously, and due to the high workload, it's especially important to include a short motivation for the position, explaining how you meet the requirements.

QA EngineeringTest AutomationIntegration TestingPerformance TestingMentoringLeadershipCommunicationStakeholder ManagementProblem-SolvingTechnical BackgroundMigration TestingCustody Domain KnowledgeMainframe Knowledgemulti-location

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