Civil Engineer - Defence Infrastructure

Join the MongoDB Developer Productivity team, where we lay a robust foundation of shared tools and services that empower our product development processes. Our success is defined by the ability of MongoDB's product and engineering teams to deliver exceptional solutions to our customers through an efficient software development lifecycle.As part of the Performance Infrastructure Team, your mission will be to simplify the process for MongoDB engineers to test and enhance the performance of our products. In this role as a Software Engineer II, you will collaborate closely with performance-driven engineers across the organization to design, develop, and maintain our state-of-the-art performance benchmarking systems and their supporting tools.This position follows a hybrid working model based out of our office in Sydney, Australia.

At Ripple, we envision a future where value transfers seamlessly, akin to how information flows today. Our mission is bold and transformative – we are already reshaping the global financial landscape through our innovative crypto solutions tailored for financial institutions, businesses, governments, and developers. By enhancing the financial system, we create equitable opportunities for individuals worldwide, enabling everyone to engage more effectively with their economies. Join us and discover your potential while collaborating with a supportive team that champions your growth.As part of our ongoing evolution, GTreasury, now integrated into Ripple, enhances our capabilities in the multi-trillion-dollar corporate finance sector. With over four decades of experience, GTreasury empowers some of the most sophisticated companies globally, allowing them to manage and optimize liquidity in real-time across both traditional and digital assets.Become a key player in shaping the future of corporate treasury and the infrastructure driving the Internet of Value.We are on the lookout for a creative and forward-thinking Staff Software Engineer who is dedicated to crafting a top-tier platform alongside a world-class team. You will be instrumental in advancing technical software excellence and leading application development in design, implementation, and maintenance, helping us achieve remarkable outcomes.

Speechify helps over 50 million people turn reading materials, PDFs, books, Google Docs, news articles, and websites, into audio. Our text-to-speech apps span iOS, Android, Mac, Chrome, and web. Google named us Chrome Extension of the Year, and Apple awarded us the 2025 Design Award for Inclusivity. Our fully remote team of about 200 includes engineers, AI researchers, and alumni from Amazon, Microsoft, Google, Stripe, Vercel, Bolt, and top academic programs. We work across time zones to build tools that make reading more accessible for everyone. Role overview Speechify’s AI division is looking for a Software Engineer focused on Data Infrastructure & Acquisition. This role centers on collecting and managing large-scale audio data to support model training. The team builds and maintains systems that create high-quality datasets at petabyte scale, balancing efficiency and cost. What you will do Find and source new audio data, then integrate it into our ingestion pipeline. Maintain and improve our cloud infrastructure for data ingestion, currently running on Google Cloud Platform and managed with Terraform. Partner with scientists to optimize for cost, throughput, and data quality, delivering large-scale datasets efficiently for new model development. Work with the AI team and company leadership to plan the dataset roadmap for future consumer and enterprise products. Location This position is based in Sydney, Australia.

About the Role Leap Legal Software is hiring a Software Engineer in Sydney. This role supports the development of software tools that help legal professionals work more efficiently. The team focuses on building and improving products that serve real client needs. What You Will Do Work across the full software development lifecycle, from initial concept through to deployment Contribute to the design, development, testing, and release of new features and products Help ensure each release meets quality standards and client requirements Location This position is based in Sydney, New South Wales, Australia.

About LEAPLEAP Legal Software stands as the foremost provider of Legal Practice Management Solutions globally and is a proud member of ATI, one of the largest international LegalTech companies. With over 30 years of unwavering dedication to innovation and improvement, we redefine productivity tools for legal professionals, embodying our mission to ‘Help lawyers who help people’. Our cutting-edge software is trusted by more than 71,000 legal practitioners and their teams across small and medium-sized law firms.Join our dynamic international team of driven achievers within a rapidly expanding technology enterprise where change is the only constant. You will be a part of a collaborative network of over 1,000 skilled, compassionate, and ambitious ‘LEAPsters’ working together across Australia, Canada, the United States, the United Kingdom, the Republic of Ireland, Poland, and New Zealand.Meet the Personal Injury TeamThe Personal Injury team is a dedicated division within LEAP, specializing in developing software tailored for personal injury lawyers. Our cross-functional team comprises legal experts, software engineers, designers, and client-focused specialists who collaborate closely to create practical products utilized daily by PI firms. Our work is guided by in-house Australian Personal Injury Lawyers and informed by a robust client feedback mechanism, ensuring our offerings are shaped by real legal practices and continue to evolve with the needs of lawyers.Your RoleAs a Full Stack Software Engineer, you will partner with various stakeholders, including product owners and client operations, to transform innovative concepts into functional web applications available within LEAP Legal Software. Supported by the broader Engineering organization (LEAP Dev), you will take full ownership of building and maintaining these applications, with an initial focus split evenly between frontend and backend development.Key Responsibilities:Research and develop emerging trends, standards, and best practices for frontend development.Design, develop, and manage backend APIs and services.Ensure scalability to accommodate high volumes of data and users.Implement secure customer authentication mechanisms.Continuously find ways to enhance our software development, deployment, and delivery processes.Revise, update, refactor, and debug existing code.Test and deploy applications and systems efficiently.Utilize Git version control to manage codebases effectively.

Discover Your Potential with LEAP DevLEAP Dev operates as the innovative 'Software House' behind LEAP Legal Software, the foremost provider of comprehensive Legal Practice Management Solutions globally. Being a proud member of ATI Global, one of the largest international LegalTech firms, we have spent over three decades fostering a culture of curiosity and dedication to continuous improvement. Our mission remains clear: to 'Help lawyers who help people.' Our cutting-edge software is trusted by over 70,000 legal professionals and their teams in small to medium-sized law firms.Joining our team of passionate and high-achieving professionals at LEAP means becoming part of a rapidly growing technological enterprise where change is the only constant. With a diverse workforce of over 1,000 skilled and ambitious 'LEAPsters' spanning Australia, Canada, the United States, the United Kingdom, Ireland, Poland, and New Zealand, you will find yourself among like-minded individuals striving for excellence.Join the LEAP Web TeamThe LEAP Web team is tasked with creating the foundational platform that will support all LEAP services in the future. Transitioning from a powerful desktop application that has optimized workflows for legal firms, we are now migrating these essential features to the web. Our team of Frontend Developers consists of proactive and creative thinkers who take pride in their adaptability, troubleshooting skills, and commitment to delivering exceptional user experiences.Your Role and ResponsibilitiesIn this pivotal role, you will be instrumental in evolving LEAP Web to match and ultimately surpass the functionality of the LEAP Desktop application. This initiative is paramount within LEAP Dev, and your contributions will significantly shape the future of our core platform as we guide customers through their transition to web-based solutions.You will collaborate closely with a team of seasoned Frontend Engineers who will mentor you in understanding our product and the legal landscape. Your daily tasks will involve a combination of fixing bugs, enhancing performance and stability, and developing new features and improvements. In addition to maintaining and strengthening our existing product, you will have the opportunity to share your ideas, explore innovative approaches, and drive progress in a product that is rapidly becoming the centerpiece of our ecosystem.Key Responsibilities Include:Designing and developing high-quality, responsive user interfaces using Angular and other web frameworks to ensure a seamless and engaging user experience.Enhancing the architecture of front-end components, optimizing code for performance, scalability, and maintainability.Collaborating closely with UX designers and backend developers.Taking ownership of front-end components, influencing technical direction, and establishing coding standards.Participating in agile ceremonies such as stand-ups and sprint planning.

About LEAPLEAP is the foremost provider of innovative Legal Practice Management Solutions globally and is a proud part of ATI, one of the largest international LegalTech corporations. For over three decades, our dedication to curiosity and constant enhancement has driven us to redefine productivity tools for legal professionals and their teams, in alignment with our mission to 'Help lawyers who help people'. Our industry-leading software is utilized by more than 71,000 legal practitioners and their teams in small to medium-sized law firms.Joining our vibrant international team of high achievers means becoming part of a rapidly expanding tech company where change is the norm. With over 1000 intelligent, compassionate, and ambitious ‘LEAPsters’, you will find yourself in excellent company across Australia, Canada, the United States, the United Kingdom, the Republic of Ireland, Poland, and New Zealand.Introducing the Criminal Law TeamThe Criminal Law team is a dedicated division within LEAP, specializing in developing software for criminal lawyers. Our cross-functional team comprises legal experts, software engineers, designers, and client-focused professionals, collaborating closely to deliver practical products used daily by criminal law firms. Our work is guided by in-house Australian criminal lawyers and informed by a robust client feedback mechanism, ensuring our solutions are shaped by genuine legal practice and continue to evolve in sync with how lawyers operate.Your RoleAs a Full Stack Software Engineer, you will collaborate with various stakeholders, including product owners and client operations, to transform innovative ideas and concepts into functional web applications for LEAP Legal Software. With the backing and resources of our broader Engineering organization (LEAP Dev), you will hold complete responsibility for the development and maintenance of these applications. Initially, your work will involve a balanced focus of 50% frontend and 50% backend development.Your ResponsibilitiesInvestigate and implement emerging trends, standards, and best practices for frontend development;Design, develop, and manage backend APIs and services;Ensure scalability to accommodate large volumes of data and users;Implement secure customer authentication protocols;Identify opportunities to enhance our software development, deployment, and delivery processes;Revise, update, refactor, and troubleshoot code as necessary;Test and deploy applications and systems;Utilize Git version control to manage the codebase.

About AirwallexAirwallex is a pioneering unified payments and financial platform tailored for global enterprises. With a unique blend of proprietary infrastructure and cutting-edge software, we empower over 200,000 businesses worldwide—including notable names like Brex, Rippling, Navan, Qantas, and SHEIN—with integrated solutions to manage everything from business accounts and payments to spend management and treasury, alongside embedded finance on a global scale.Founded in Melbourne, we boast a vibrant team of over 2,000 talented and innovative professionals across 26 offices globally. Valued at US$8 billion and supported by renowned investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of shaping the future of global payments and financial technology. If you are eager to undertake the most ambitious work of your career, we invite you to join us.

Stripe builds financial infrastructure used by businesses around the world. From startups to large enterprises, organizations rely on Stripe to process payments, grow revenue, and expand into new markets. The company’s mission is to increase the GDP of the internet, giving employees a chance to influence the global economy and advance their own careers. The Infrastructure team at Stripe manages the core systems that keep the platform reliable, scalable, and efficient. This group oversees key areas such as Compute, Networking, DocumentDB, Distributed Caching, and High Assurance Engineering. Their work underpins every Stripe product and service, with a focus on high availability, cost-effectiveness, and supporting the productivity of Stripe’s employees. The Core Performance team specializes in optimizing efficiency and reducing latency throughout Stripe’s infrastructure. Their efforts ensure Stripe’s platform operates smoothly at scale. What you will do Lead, hire, and mentor engineers in Sydney, supporting their professional growth and development. Partner with other engineering teams to deliver infrastructure solutions that enhance scalability, reliability, and efficiency. Define the team’s vision and objectives, set priorities, and drive high-quality outcomes. Foster a culture of engineering excellence, innovation, and continuous improvement. Work with senior engineers and technical leaders to shape architectural and strategic decisions, translating technical strategies into actionable team plans. Coordinate with colleagues across different locations and time zones to maintain alignment and communication. Location This position is based in Sydney, Australia.

About LEAPLEAP stands as the premier provider of innovative Legal Practice Management Solutions globally and is a proud member of ATI, one of the foremost international LegalTech firms. For over three decades, our relentless curiosity and dedication to continuous improvement have driven us to reinvent productivity tools for legal professionals and their teams, fulfilling our core mission: ‘To assist lawyers who assist people.’ Our cutting-edge software is trusted by over 71,000 attorneys and their teams across small to medium-sized law firms.Joining our dynamic international team of dedicated high achievers means becoming part of a rapidly growing technology enterprise where change is the only constant. With over 1000 intelligent, compassionate, and ambitious ‘LEAPsters’ collaborating across Australia, Canada, the United States, the United Kingdom, the Republic of Ireland, Poland, and New Zealand, you’ll find yourself in inspiring company.Introducing the LEAP Estates TeamThe LEAP Estates team is a specialized division within LEAP, dedicated to developing software tailored for Estates Lawyers. Our cross-functional team comprises legal experts, software developers, designers, and client-focused professionals, all working in unison to deliver practical solutions utilized daily by Estate firms.Our efforts are guided by in-house Australian Estate Lawyers and informed by a robust client feedback system, ensuring our offerings are shaped by real-world legal practices and continually evolve to meet lawyers' actual working needs.Your RoleAs a Full Stack Software Engineer, you will collaborate with cross-functional stakeholders to transform innovative ideas into robust, production-ready applications. You will have significant ownership over architectural decisions, establish best practices, and lead the journey from concept to release.Your Responsibilities will include:Developing and delivering AI-powered applicationsDesigning, developing, and managing backend APIs and servicesEnsuring scalability to accommodate large volumes of data and usersImplementing secure customer authentication protocolsIdentifying and executing improvements in our software development, deployment, and delivery processesRevising, updating, refactoring, and debugging codeTesting and deploying applications and systemsUtilizing Git version control to manage the codebaseYour QualificationsAt least 3 years of hands-on experience as a Full Stack Software EngineerA strong enthusiasm for developing AI-driven applicationsProficiency in front-end development using modern web technologies, especially ReactExpertise in at least one contemporary server-side programming language or framework (e.g., C#/.NET, TypeScript/Node.js)Solid experience with database technologies (e.g., MySQL, PostgreSQL, DynamoDB)Comprehensive understanding of software development methodologies

About AirwallexAirwallex is a cutting-edge, unified payments and financial platform designed specifically for global businesses. Our unique blend of proprietary infrastructure and innovative software empowers over 200,000 businesses worldwide—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—to manage everything from business accounts and payments to spend management and embedded finance seamlessly on a global scale.Founded in Melbourne, we have assembled a team of over 2,000 of the brightest minds in technology across 26 offices worldwide. With a valuation of US$8 billion and backing from renowned investors such as T. Rowe Price, Visa, and Mastercard, Airwallex is pioneering the future of global payments and financial solutions. If you aspire to undertake the most ambitious work of your career, we invite you to join our journey.

At AlixPartners, we tackle the most intricate and pressing challenges by swiftly transitioning from analysis to actionable solutions when it truly matters, generating lasting value for companies, their personnel, and the communities they impact. We are dedicated to fostering an inclusive environment by understanding, honoring, and respecting the needs of our employees, clients, and the communities we serve. We firmly believe in the value of diversity in enriching our experiences and are committed to the continuous improvement of our initiatives, policies, and practices. We hold ourselves accountable by creating space for authenticity, growth, and equity for all. AlixPartners has adopted a hybrid work model to ensure flexibility and support our employees' work-life integration. This model combines in-person work (at client sites or AlixPartners offices) with remote work. Travel is a component of this role, with frequency varying based on client needs, team requirements, and individual circumstances.Key ResponsibilitiesThe Performance Advisory team collaborates with thriving, under-performing, and distressed companies facing urgent, high-impact situations. We assist our clients in adapting and thriving during challenging industry periods. From your first day, you will have the opportunity to make a significant impact and work with clients when it truly matters.Our Performance Advisory team focuses on driving substantial improvements in business performance and enterprise value across diverse sectors.You will engage with various industries—from consumer products to mining, restaurants, financial services, and private equity—quickly deriving insights from imperfect data and translating them into clear, actionable recommendations. Day-to-day tasks will vary; examples include:Developing, refining, and interpreting complex financial models;Supporting sector initiatives and business development opportunities through market research and company analyses;Aiding in engagements from growth strategy formulation to operational turnarounds;Assisting in the creation of client presentation materials;Participating in client meetings and communicating effectively with clients and colleagues in both written and verbal formats.This is a full-time Consultant position, and we regret that relocation assistance is not available for this role.This is a thrilling moment to join AlixPartners as we launch our Australian office, marking a significant chapter in our global expansion. Joining us now means being part of a dynamic start-up atmosphere, fueled by innovation and entrepreneurial spirit, while also benefiting from the resources and expertise of a well-established firm.

Role overview Canva seeks a Lead Frontend Engineer in Sydney to shape how users interact with the platform. The position emphasizes both performance and design, with a focus on building fast, visually appealing applications that people enjoy using. What you will do Collaborate with engineers, designers, and product teams to deliver smooth, integrated features Prioritize frontend performance and keep code quality high Create new features that improve usability and visual impact Promote best practices in frontend engineering and design throughout the team Requirements Proven experience leading frontend engineering projects Expertise in performance optimization and current design standards Strong ability to work across disciplines to deliver refined user experiences

Join Canva as an Infrastructure Engineer Intern for the 2026/27 academic year! This is an excellent opportunity for aspiring engineers to gain hands-on experience in a dynamic and innovative environment. As part of our team, you will work closely with industry professionals to support the development and maintenance of our infrastructure, ensuring optimal performance and reliability.

At Jump Trading Group, we are dedicated to pioneering research and innovation. We empower talented individuals in Mathematics, Physics, and Computer Science to explore scientific frontiers, transcend them, and apply cutting-edge research to the global financial landscape. Our unique culture fosters constant innovation through fearlessness, creativity, intellectual honesty, and a relentless drive for excellence. We believe in collective success while unlocking individual potential through collaboration and mutual respect. At Jump, our research efforts yield more than just superior risk-adjusted returns; we design, develop, and deploy transformative technologies, fund startups across various industries, and partner with leading global research organizations and universities to tackle critical challenges.We are excited to expand our global High Performance Computing Team with the addition of an HPC Production Engineer at our Sydney office. The vast scale of our computing environments presents unique challenges in maintaining optimal performance and reliability. Integration of systems including compute, scheduling, networking, and large-scale data storage is essential to support data pipelines and quantitative research. The ideal candidate will be a proactive individual, adept in managing Linux environments and possess a strong software development background to support tailored systems at scale.

At The Trade Desk, we are pioneers in developing technology that is transforming the landscape of digital advertising. Our mission is to enhance the open internet ecosystem through ethical and intelligent advertising practices.Our platform manages over 1 trillion queries daily, functioning around the clock across various continents and data centers. We process vast amounts of data, delivering actionable insights and measurable results.As a Software Engineer II, you will take ownership of the entire development process, designing, building, and implementing impactful, data-driven systems that influence decisions for advertisers worldwide. We foster a culture of trust, empathy, collaboration, and shared ownership, empowering every team member to make a significant impact.We believe that exceptional systems arise from teams that trust each other, value quality craftsmanship, and take responsibility for their creations.ABOUT THE ROLE:The Measurement Upper Funnel engineering team operates out of the APAC region, with members located in Hong Kong, Shanghai, and Sydney. Our Product Manager is based on the West Coast, and we engage in a brief daily virtual standup to maintain sync. Our team is intentionally distributed, leveraging asynchronous communication and video conferencing to stay connected.Our technology team is highly productive, enjoying a collaborative work environment that engages in the end-to-end delivery of scalable tech solutions. We embrace a 'build it, ship it, own it' mentality. Our teams are encouraged to select the best tools and technologies for their projects. We operate in a multi-cloud setting and are transitioning towards a microservices architecture.We utilize technologies such as .Net/.Net Core, JavaScript (React), gRPC, REST APIs, Docker containers, and Kubernetes for our client-facing products. Our backend big data processing is powered by Apache Spark and Flink.Our engineers are end-to-end owners, involved in every phase of product development — from design and implementation to deployment and monitoring — delivering genuine value to our clients. We navigate a broad and evolving tech landscape, including Docker, Kubernetes, Terraform, GitLab, Bamboo, SonarQube, AWS, Azure, Aliyun, Databricks, and databases like SQL Server, Vertica, and ClickHouse.We actively seek out new technologies and AI-driven tools that enhance our efficiency, embracing pragmatic innovation as our projects evolve.Quality is fundamental to all we create. We prioritize code reviews, automated testing, robust deployment pipelines, metrics, and continuous monitoring to ensure scalability and reliability.Our engineers make an impact beyond code through mentorship, teaching, and leadership, contributing to a vibrant and dynamic team culture.

AECOM seeks a Principal Civil Engineer in Sydney to lead infrastructure design and delivery. This senior role centers on managing diverse projects, ensuring engineering solutions meet both technical standards and client needs. Key responsibilities Direct the design and implementation of infrastructure projects in transportation, urban development, and environmental management. Lead multidisciplinary teams, providing guidance to address complex engineering problems with practical solutions. Uphold quality across all technical deliverables, making sure outputs align with project goals and client expectations. Mentor junior engineers, supporting their growth and strengthening the team’s capabilities. Role impact This position offers the opportunity to shape infrastructure across Sydney, contributing to projects that influence communities throughout the region.

Join us at DigitalOcean and embark on a journey to achieve the best work of your career. Collaborate with a vibrant community of exceptional talent, all dedicated to creating the simplest scalable cloud solutions. If you possess a growth mindset, are inspired to think boldly, and thrive in a dynamic environment that challenges the status quo, you will find your ideal role here. We celebrate collective achievements—learning, enjoying our work, and making meaningful contributions to innovators around the globe.We seek passionate individuals committed to building features that resonate with users.As a Data Center Engineer at DigitalOcean, you will be a pivotal part of our success. Our dedicated Data Center team is charged with maintaining and enhancing the physical infrastructure that powers the DigitalOcean cloud, both now and into the future. You will be responsible for everything related to our physical servers and networking equipment, which are essential for scaling our operations and supporting our customers.Your daily responsibilities will range from replacing faulty drives in our servers to traveling internationally to establish new Data Centers from the ground up. In return for your skills and enthusiasm for DigitalOcean, we offer a position on a rapidly growing, collaborative team where you will have frequent opportunities to refine your abilities and learn new technologies. This role requires you to be present at our data center.This is an onsite position.

About KasadaAt Kasada, we are dedicated to safeguarding the internet from the threat of malicious bots. Our innovative solutions protect millions of users worldwide every day. Established with the mission to combat automated bot attacks, we believe the web should be a secure environment for all. Bad bots wreak havoc by hijacking accounts, stealing content, and overwhelming systems, resulting in significant financial losses annually. To help restore trust online, Kasada intercepts bot activities right from their first request, including those previously unseen.Our journey began in a humble shipping container beneath the Sydney Harbour Bridge, and we have since expanded globally, defending some of the most recognized brands around the world.We pride ourselves on our inquisitive nature and our willingness to explore bold ideas to tackle complex challenges. We are looking for individuals who are passionate about addressing critical cybersecurity issues while enjoying the process!Kasada presents an exciting opportunity for a leader to join our Infrastructure & Operations (IO) team, which is on the frontline of defending our customers against fraudulent and automated attacks. As the Engineering Team Lead, you will guide a talented infrastructure engineering group in the development of a scalable cloud computing platform and foundational engineering practices that are essential in our battle against adversaries. A key responsibility of this role is to empower other engineering teams while ensuring our high-traffic workloads are efficient, resilient, and cost-effective.We are searching for a “Player-Coach” to lead our IO team, managing complexities such as automation, architectural patterns, and best practices. While your focus may vary, you are expected to remain technically engaged and hands-on, while also being a people leader who shapes the engineering roadmap through innovative product thinking.