{"id":3555527,"url":"https://alion.io/job/mixx-mfs-quality-assurance-engineer","title":"MFS Quality Assurance Engineer","company":{"id":2112753,"name":"MIXX","domain":"mixx.com","url":"https://alion.io/company/mixx-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"QA","role_family":"QA","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Dar es Salaam, Tanzania"],"countries":["TZ"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Scrum","optional":false}],"status":"live","first_seen_at":"2026-10-30T13:20:11Z","employer_posted_date":null,"last_verified_at":"2026-10-30T13:20:11Z","board_verified":false,"closed_at":null,"days_open":6,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":6},"description":"Mixx is hiring: MFS Quality Assurance Engineer (2 positions)\nLocation: Dar es Salaam\n\nQualifications and experience\n\nBachelor’s degree in Computer Science, Information Technology, Software Engineering, Information Systems, or a related field.\n\nISTQB Foundation Level or above; Agile Testing or Scrum certification is an added advantage.\n\nMinimum 3 years of hands-on experience in software quality assurance and testing, including test planning, defect management, and collaboration with cross-functional teams.\n\nCore responsibilities\n\nAnalyze requirements and prepare test plans.\n\nDesign and execute test cases and scripts.\n\nTest MFS functionality and customer journeys.\n\nValidate APIs and system integrations.\n\nVerify transaction accuracy and data integrity.\n\nDevelop automated tests and perform regression testing.\n\nTest system performance and scalability.\n\nAssess system resilience and recovery capabilities.\n\nVerify security controls and compliance requirements.\n\nTrack defects and verify corrective actions.\n\nConduct quality checks before system releases.\n\nCollaborate with stakeholders and vendors to resolve issues.\n\nCore competencies\n\nAnalytical and Problem-Solving Skills\n\nSoftware Testing and Quality Assurance\n\nTest Automation and Technical Proficiency\n\nAttention to Detail and Accuracy\n\nCommunication and Collaboration\n\nPlanning, Organization, and Time Management\n\nAdaptability and Continuous Improvement\n\nDiversity and inclusion\n\nAt Mixx, we believe that diversity is a source of strength. When candidates have equal skills, we encourage female applicants and actively work to create a fair, inclusive and stimulating professional environment for everyone.\n\nAbout Mixx by Yas\n\nJoining Mixx by Yas means becoming part of a fintech company belonging to the AXIAN Group, a pan-African player operating in five African countries. You will be working in a fast-growing fintech company driven by a culture of innovation, agility and impact. 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