Quality Assurance Engineer with SQL, Python & Pyspark Expertise

Cuscal Limited seeks a Senior QA Engineer based in Sydney to help maintain high standards across its software products. This role centers on identifying, analyzing, and resolving defects, working closely with teams throughout the company. Role overview The Senior QA Engineer takes responsibility for software quality by collaborating with colleagues to detect issues early and ensure thorough testing. Improving and refining testing processes forms a significant part of this position. What you will do Work with cross-functional teams to locate and analyze software defects Drive the resolution of issues to maintain product quality Suggest and implement improvements to existing testing processes Location This position is based in Sydney.

At Riot Games, we prioritize our players and their experiences above all else. Our dedicated team in Sydney collaborates globally to develop cutting-edge game features and technologies for an exciting unpublished R&D title. From social systems and personalized content to seamless store integrations and core engine features, our focus is on delivering high-performance, engaging, and enjoyable experiences for players.We view “Quality” as a core value that extends beyond merely discovering defects. It encompasses a set of guiding principles, practices, and behaviors that shape every aspect of our development process. By refining our quality expertise and fostering strong partnerships across disciplines, we enhance our ability to quickly deliver exceptional experiences while maintaining the highest standards of product integrity.As a Senior Quality Assurance Engineer, you will play a crucial role in defining the quality strategy and its execution for a feature team on this groundbreaking R&D title. You will collaborate closely with developers, designers, and producers to advocate for quality throughout the entire development lifecycle—from initial planning to hands-on testing and metrics-driven validation. Your contributions will ensure that our tools, systems, and player experiences are both reliable and delightful.

Cuscal Limited is looking for a Quality Assurance Engineer to join the Engineering Practice in Sydney. This role centers on upholding high standards for software quality and reliability. Working alongside development teams, the position helps shape test strategies, carries out thorough testing, and highlights ways to strengthen products. Key responsibilities Work with developers to design and implement effective test strategies Perform detailed testing on software products to ensure quality Spot defects and recommend improvements for products What we look for Strong attention to detail and analytical skills Ability to adjust to shifting priorities Proactive mindset in solving problems This position plays a part in Cuscal’s ongoing effort to deliver dependable, user-focused solutions.

Who is Quantium?Quantium stands as a global leader in the realms of data science and artificial intelligence. Founded in Australia in 2002, our team comprises over 1,200 professionals across 14 locations, uniting diverse capabilities in product development and consulting services to empower businesses in harnessing the value of data and analytics. We collaborate with some of the world's largest corporations to create a smarter, more insightful future.Role SummaryAs a Senior Platform Engineer, you will play a pivotal role in shaping Quantium's enterprise AI and cloud initiatives. Your contributions will influence the design, construction, and delivery of intelligent platforms and comprehensive AI solutions for some of Australia’s most esteemed organizations. This highly visible position allows your technical expertise and architectural insights to directly impact how major clients develop, scale, and operationalize AI-driven systems.You will engage with the entire platform engineering stack—from cloud infrastructure and data pipelines to AI/ML serving layers and application integration—collaborating with client architecture, data science, and security teams to support critical technical decisions. Proficiency in AWS is essential for this role, enabling you to leverage that expertise along with your broader platform and full-stack engineering skills to guarantee practical, scalable, and production-ready deliveries.This role combines deep platform engineering skills with a collaborative consulting approach, making it ideal for individuals who excel in complex enterprise environments, foster strong stakeholder relationships, and transform technical architecture into tangible outcomes.How You Will Make an Impact:Contribute to the design and implementation of enterprise-scale AI and cloud platforms, guiding technical direction across infrastructure, data engineering, ML serving, and application layers.Participate in collaborative efforts with stakeholders to ensure successful project outcomes.

About KasadaBecome part of our mission to eliminate bad bots from the internet! At Kasada, we safeguard millions of online users daily. Established to combat automated bot attacks, we envision a secure internet for all. Bad bots wreak havoc; they hijack accounts, pilfer content, overwhelm systems, and contribute to billions in annual damages. Our goal is to restore trust in the internet by intercepting bots right at their first request, including those that are entirely novel.From humble beginnings in a shipping container beneath the Sydney Harbour Bridge, Kasada has expanded its reach globally, now protecting some of the world’s most recognized brands.We are a team driven by curiosity, unafraid to propose innovative solutions to complex problems. We seek individuals who are enthusiastic about addressing significant cybersecurity challenges while enjoying the journey!In this pivotal role, you will be instrumental in reshaping our data platform, transitioning it from a conventional ETL-based warehouse to a powerful, agile data architecture. Your primary objective will be to eradicate latency issues in our current system, propelling us towards a platform that supports rapid query performance for real-time portal metrics, as well as developing models for data science and internal diagnostics.You will collaborate closely with our Data Analytics, Customer-Facing Portal, and Data Science teams, constructing data solutions that enable them to uncover deeper insights and facilitate crucial business decisions. This position demands extensive collaboration; you will engage with diverse stakeholders to comprehend their requirements and design the necessary infrastructure and technologies, ingestion processes, and data applications to meet them. Whether enhancing a customer-facing dashboard or an internal diagnostic tool, you'll ensure our data is accessible, swift, and dependable, all while advocating for engineering excellence and shaping our technical future.

Role overview mable is looking for a Senior Engineering Manager in Sydney to guide a team of engineers focused on improving the platform. This role involves setting the direction for engineering projects, supporting team growth, and working closely with other departments to deliver reliable software. What you will do Lead and mentor a team of engineers, encouraging both technical growth and creative problem-solving Shape the strategy for engineering initiatives and ensure alignment with company goals Promote collaboration within the team and across other groups Oversee delivery of software products, maintaining high standards for quality

Join Canva as a Senior Engineering Manager specializing in Security Platform Engineering. In this pivotal role, you will lead a talented team in designing and implementing robust security features that protect our users and their data. You will collaborate closely with cross-functional teams to drive security initiatives and enhance our platform's integrity.

Join Our Innovative TeamAt Q-CTRL, our Quantum Control Solutions team delivers unparalleled technical expertise to drive customer success in quantum computing. We engage deeply with industry and government partners, transforming complex customer challenges into practical quantum solutions through advanced algorithm design and implementation. Collaborating closely with clients, we model realistic scenarios to maximize value and impact.Your OpportunityAs a Senior Solutions Engineer, you will leverage Q-CTRL’s cutting-edge product suite to develop tailored solutions that address various customer-driven challenges across diverse quantum technology platforms. Your role will be pivotal in bridging the gap between customer needs and innovative quantum solutions.

Join our dynamic team at Endeavour Group as a Senior Network Engineer, where you will play a pivotal role in designing, implementing, and maintaining our network infrastructure. Your expertise will help ensure seamless connectivity and optimal performance across our systems. You will collaborate with cross-functional teams to develop innovative solutions that enhance our network capabilities.

Join our dynamic team at Cuscal Limited as a Senior Platform Engineer. In this pivotal role, you will leverage your expertise in platform engineering to drive the development and optimization of our cutting-edge payment solutions. You will collaborate with cross-functional teams to design scalable architectures and enhance system performance.As a Senior Platform Engineer, you will be responsible for implementing best practices in software development, ensuring high availability and security of our platforms. You will also mentor junior engineers and contribute to our culture of innovation and excellence.

About Ofload and Our MissionThe FreightTech sector is an exhilarating domain, presenting a unique opportunity to revolutionize one of the largest industries worldwide. The Australian freight market is valued at $66 billion, yet it remains largely analogue with significant inefficiencies; for instance, 30% of truck journeys are made with no cargo. The networks are opaque, data is disjointed, and smaller transport operators struggle to compete with larger entities.At Ofload, we are dedicated to transforming the freight industry and ushering it into the digital age. We harness technology, data, and strategic collaborations to link an expanding portfolio of prestigious clients with efficient smaller transport operators. By minimizing empty truck journeys, enhancing visibility, and optimizing supply chains, we are leading the way towards smarter, more sustainable, and efficient operations that benefit both businesses and the environment.This is more than logistics; it's FreightTech—a technology-driven transformation of an industry that supports the economy and impacts everyone’s daily life.Why Join Ofload?Becoming a part of Ofload means joining a rapidly growing scale-up. You'll collaborate with driven individuals who are eager to challenge the status quo and make a tangible difference. Our team thrives on challenges, values open and honest feedback, and is dedicated to collective growth.We have secured over $100M in funding from some of the world’s leading investors—those who have backed companies like Canva, Revolut, and HelloFresh. Throughout our journey, we have received accolades for our innovation and workplace culture:Ranked #1: Deloitte Climate and Sustainability Award 2024 for our pioneering Carbon Analytics PlatformRanked #2: AFR BOSS Best Places to Work 2024 in Transport and ConstructionFeatured in AFR BOSS Fast100 List 2025 with the second highest revenueRecognized in Deloitte Fast50 for three consecutive yearsHighlighted in AFR FastStarters for three consecutive yearsAt Ofload, we blend the agility of a tech startup with the impact of addressing a substantial real-world challenge. If you are prepared to join a forward-thinking team reshaping the future of freight, we invite you to connect with us.The Role:We are on the lookout for a Senior Data Engineer to lead the development of our data platform from inception, determining how data is structured, flows, and ultimately influences decision-making across our organization.This is a genuine zero-to-one opportunity. You will transform fragmented, multi-source data into a scalable, real-time data warehouse that supports everything from business intelligence reporting to advanced analytics and AI initiatives.Your role will not be limited to following handed-down requirements; you will define the data strategy, take ownership of key metrics, and construct the pipelines that drive commercial success. Collaborating closely with Product, Engineering, Finance, and BI teams, you will be central to how the business interprets and utilizes data.

Join AECOM as a Senior Hydraulic Engineer specializing in the defence sector. In this pivotal role, you will lead hydraulic engineering projects, ensuring compliance with industry standards and client specifications. Your expertise will directly contribute to the successful delivery of innovative solutions that enhance operational efficiency and safety.

Join AECOM as a Principal / Senior Electrical Engineer in the Defence sector, where you will play a pivotal role in shaping critical projects. This position offers the opportunity to lead innovative electrical engineering solutions for defence applications. You will be responsible for designing, implementing, and overseeing a variety of electrical systems, ensuring compliance with industry standards and regulations. Collaborate with multidisciplinary teams, mentor junior engineers, and contribute to the strategic development of projects that make a real impact.

Canva is looking for a Senior Software Engineer to join the Reliability Foundations team in Sydney. This position centers on strengthening the reliability and performance of Canva’s platform. Role overview This role involves designing, building, and refining systems to support resilient and high-performing services. The Senior Software Engineer will work closely with others to improve software delivery and support operational goals. What you will do Create and implement solutions that boost the reliability of Canva’s core platform. Optimize existing systems to maintain high performance and stability. Collaborate with cross-functional teams to advance software delivery processes and operational standards. Requirements Experience designing and maintaining reliable, scalable systems. Strong background in performance optimization and system resilience. Ability to work effectively with engineers and stakeholders across different teams.

Join our team at AECOM as a Senior Fire Protection Engineer in Sydney, where you will be instrumental in developing innovative fire protection solutions for a diverse range of projects. You will work alongside a team of dedicated professionals, contributing to the safety and efficiency of our engineering initiatives.Your responsibilities will include conducting fire protection design and analysis, preparing technical documentation, and collaborating with clients and stakeholders to ensure compliance with relevant codes and standards.

Join Easygo as a Senior Software Quality EngineerEngineering@EasygoAt Easygo, we are pioneers in delivering exceptional entertainment experiences. Our engineering team thrives in a culture of continuous learning and innovation, consistently pushing the limits of software design and development. We are committed to nurturing growth, fostering learning, and maintaining excellence in engineering, setting a high bar for industry standards.Why You Should Join Us?If you are a driven and enthusiastic Senior Software Quality Engineer seeking to immerse yourself in an innovative environment that promotes professional development, we invite you to apply. We are looking for creative problem-solvers ready to develop scalable solutions and collaborate with some of the best engineers in the entertainment sector.Engaging Projects, Innovative Solutions: Tackle complex projects that challenge conventions. Solve intricate technical problems and create scalable solutions.Fast-Track Your Development: Benefit from mentorship, training, and practical experiences to enhance your skill set. Learn from industry leaders and gain expertise in software scalability.Team Up with Experts: Collaborate with top-notch engineers, sharing ideas and driving innovation through teamwork.Supportive Culture & Career Advancement: Your career development is our priority. Our culture emphasizes your growth through personalized learning programs and mentorship.Face Challenges, Celebrate Achievements: Embrace challenges, learn from setbacks, and celebrate successes together.Contribute to the Future: Your work will play a crucial role in shaping the future of entertainment.If you are passionate about innovation, growth, and working alongside the best, we would love to welcome you to our team!

Saronic Technologies is at the forefront of transforming maritime autonomy, committed to crafting cutting-edge solutions that elevate sea operations through intelligent and autonomous platforms.Job OverviewWe are in search of a Senior Forward Deployed Engineer to seamlessly integrate, deploy, and enhance our autonomous systems in varied real-world conditions. This role demands hands-on engagement with software, networking, and hardware to guarantee that our autonomous surface vessels operate with utmost reliability in operational contexts. It merges software development, field deployment, and innovative problem-solving, making a tangible impact on missions.You will collaborate closely with our Business Development and Program Management teams to define project scopes, integrations, and deliverables, while also leading technical demonstrations both domestically and internationally. Furthermore, you will provide critical field feedback to our Product teams, fostering continuous improvements. From troubleshooting networking issues to integrating new payloads and refining control logic, your contributions will enhance the capabilities, reliability, and effectiveness of our systems.

At Riot Games, our Software Engineers possess extensive expertise in specific technical domains while embracing the chance to explore a wide array of broader fields. We are driven by a passion for delivering joy to players through innovative technical solutions. Within the VALORANT Foundations team, we concentrate on enhancing the game engine, optimizing content pipelines, and refining developer workflows among other essential core capabilities. As a Senior Software Engineer on the VALORANT Foundations Release Engineering team, you will play a pivotal role in managing our core build and delivery systems, ensuring that players consistently receive the exciting content VALORANT has to offer. This position reports directly to the Engineering Manager of VALORANT Foundations, Release Engineering.

Join our dynamic team at AECOM as a Senior Engineer specializing in Generation & Storage. In this pivotal role, you will lead innovative projects that drive sustainable energy solutions. Collaborate with cross-functional teams to design, implement, and optimize engineering systems that meet the growing demands of our clients.