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Overview Senior QA Engineer with strong experience in test automation and a focus on ensuring the quality and reliability of their mobile apps (React Native, iOS, Android, Harmony OS) and backend services (Rails, REST APIs, Sidekiq, PostgreSQL, Heroku/Digital Ocean). As part of an Agile Scrum team, you will work closely with Developers, Product Managers and DevOps to integrate quality into every stage of the development process. As the team grows, you will also play a key role in supporting and guiding Junior QA Engineers.Key Responsibilities:Test Automation & Quality StrategyDesign, develop and maintain automated test frameworks for mobile apps (React Native, iOS, Android, Harmony OS) and backend services (Rails, REST APIs).Build and extend test coverage for UI, API and mobile app workflows, ensuring strong automation for reliable releases.Integrate automated tests into CI/CD pipelines (GitHub Actions, Firebase Test Lab) to ensure efficient, repeatable testing.Explore and implement new testing tools and practices to improve automation and streamline testing processes. Hands-On QA ExecutionPerform automated and exploratory testing across mobile and backend systems, ensuring product stability, performance and scalability.Work closely with developers to ensure comprehensive test coverage for new features and functional requirements.Validate third-party service integrations like Twilio, SendGrid, Huawei Push Kit and Google APIs.Track, document, prioritize and reproduce defects, ensuring timely resolution. Team CollaborationWork within an Agile Scrum team, collaborating with developers, product managers and other stakeholders to ensure quality throughout the development lifecycle.Share knowledge and provide support to junior QA engineers as the team grows, ensuring consistent application of QA best practices.Collaborate with DevOps to improve testing processes and integrate tests into the deployment pipeline.Collaborate with Project Managers in task scoping to ensure developers follow test-driven development principles.Process ImprovementAdvocate for shift-left testing, ensuring that testing starts early and continues throughout the development process.Continuously evaluate and improve QA processes, focusing on increased automation, coverage and efficiency.Participate in sprint reviews, retrospectives and other Agile ceremonies to ensure quality is prioritized.Coordinate with DevOps on creating and maintaining compliance processes and documents.Required Qualifications5+ years in QA engineering, with strong experience in test automation.Expertise in React Native, iOS, https://www.executiveplacements.com/Jobs/S/Senior-QA-Engineer-1259260-Job-Search-04-13-2026-00-00-00-AM.asp?sid=gumtree

Executive Placements

Kensington

Imbewu Africa: Smart Networking App for SMMEs, Startups & Professionals

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Imbewu Africa is a powerful business networking and opportunity-matching app designed to connect African entrepreneurs, professionals, investors, and organisations across the continent and into key global markets. It brings together buyers, sellers, service providers, and partners in one easy-to-use mobile platform, helping users turn conversations into real deals and long-term relationships.At its core, Imbewu Africa focuses on unlocking practical opportunities for African businesses – from small start-ups and SMMEs to established companies and organisations. Users can create a rich business profile, showcase their products and services, and connect directly with leads who are actively looking for what they offer. The app is built to cut out noise and guesswork, making it easier to find serious, relevant connections rather than random contacts.The platform offers structured matchmaking so that users can search and be discovered by sector, location, keywords, and interests. This means agribusiness, manufacturing, services, logistics, technology, creative industries, NGOs, and many other sectors can all find tailored networks instead of being lost in generic social feeds. Imbewu Africa is especially relevant for Africa-to-Africa trade and Africa-to-Asia linkages, giving users an intentional space for cross-border collaboration.Beyond connection, Imbewu Africa supports deal flow. Members can promote opportunities, tenders, requests for proposals, partnerships, training, and events inside the app. The goal is to create an ecosystem where conversations easily become meetings, introductions, collaborations, and signed agreements. For many users, this offers a more focused and purposeful alternative to general social media platforms.The app is designed with African realities in mind: data-conscious, simple to navigate, and mobile-first. It allows busy entrepreneurs and professionals to manage key connections on the go, while still keeping profiles businesslike and credible. Features are continuously evolving to support better matchmaking, sector groups, and regional clusters, making it easier to plug into the right networks at the right time.Imbewu Africa is ideal for:Entrepreneurs and SMMEs wanting new markets and partnersCorporates and buyers looking for vetted suppliers or project partnersNGOs and development programmes supporting enterprise or value-chain developmentInvestors, mentors, and consultants seeking deal flow and pipeline visibilityBy joining Imbewu Africa, users tap into a growing community that believes in African-led growth, collaboration, and shared value. The app’s mission is simple: to connect people, opportunities, and markets in a way that is structured, scalable, and authentically rooted in the continent’s potential.

1mo

Johannesburg CBD

Business for Sale: Lucrative Catering Business

R 2,699,999

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This is an exceptional opportunity to acquire a well-established, highly profitable mobile catering business operating out of Johannesburg with a presence across Gauteng and occasionally beyond. Founded in 2015, the business has evolved from a traditional catering setup into a full-fledged mobile cuisine enterprise that specializes in high-demand dishes such as seafood and chicken paella, flame-grilled meats, pork belly, and beef steaks—all freshly cooked on-site and served straight from the pan.The business boasts a strong brand identity in the mobile food space, known for its authentic flavours, vibrant presentation, and reliability across various event types. It caters to an array of high-footfall and high-profile events including:• Motoring shows• Music and arts festivals• Weekly/monthly food markets• Corporate functions• Private parties and weddingsGrowth & Expansion Opportunities• Expand Geographical Reach: Target new provinces such as Western Cape and KwaZulu-Natal for seasonal festivals and tourism events. Partner with national event organizers for cross-country tours.• Corporate Catering Contracts: Pursue recurring contracts with corporate offices, business parks, and industrial zones for weekday lunch service. Launch a tailored corporate menu with options for high-volume catering.• Franchise or Licensing Model: Develop a franchise model to expand the brand in other cities using the existing blueprint and mobile infrastructure.• Online Ordering & Delivery: Introduce online pre-ordering via website or app for specific public markets or pickup zones. Partner with delivery platforms for fixed-location weekends or pop-ups.• Brand Collaborations & Sponsorships: Collaborate with beverage or lifestyle brands to host co-branded events or become their preferred food vendor.• Expand Menu Offerings: Introduce vegetarian/vegan options to cater to wider audiences. Create meal kits or bottled sauces for retail (e.g., signature paella spice blend or marinade sauces).• Cooking Classes & Workshops: Host “Cook With The Chef” workshops at private venues or online, adding an educational and experiential stream of revenue.With a strong market presence, skilled staff, consistent profitability, and scalable infrastructure, this mobile catering business offers a rare chance to step into a thriving operation with exciting future potential. This business is valued at R2 699 999 and it generates an average monthly turnover of 169 782, with an average monthly net profit of R95 078 before the owners’ drawings.https://renwickbusiness.co.za/listing/lucrative-catering-business-3014/Phone: 0814118158Email: info@renwickbusiness.co.zaView our full Catalog on WhatsApp 067 252 9883

3mo

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"mobile app developers" in Johannesburg

mobile app developers in Johannesburg (13 results)

Results for mobile app developers in "mobile app developers" in Johannesburg in Johannesburg