Software Development Engineer in Test (SDET) - Remote Contract

About NexusNexus serves as a transformative engine for verifiable finance, utilizing blockchain technology to seamlessly integrate the world's financial systems into a unified ecosystem. Our platform is built to support all major financial markets on a single global exchange, effectively bridging the historical gaps in fragmented infrastructures across vario…

The Payments Engineering team at Betsson Group is expanding, and we are in search of talented Backend Software Engineers specializing in .NET/C#!About UsProud sponsors of Boca Juniors and Racing Club, Betsson is a leading iGaming operator, delivering a diverse range of online gaming products across multiple markets through our own gaming platforms and various partner brands.As a member of our Engineering team, your primary focus will be on crafting an exceptional payment customer experience, enhancing our payment pages, and broadening the array of payment options available across our brands and markets. Join an international team of top industry professionals and immerse yourself in cutting-edge technologies while managing critical company responsibilities.Your Contributions Will Include:Designing, developing, and maintaining scalable and reliable server-side applications utilizing the .NET framework and related technologies.Collaborating with cross-functional teams, including front-end developers, product managers, and designers, to gather requirements and convert them into technical specifications.Creating and implementing efficient and secure RESTful APIs and microservices to support client applications and integrations.Demonstrating a strong understanding of object-oriented programming (OOP) principles and design patterns.

Why Join Xepelin?Xepelin is revolutionizing corporate finance in Latin America with a comprehensive suite of products designed to automate financial management and enhance liquidity access. Aiming to be the digital CFO for every business, we've developed financial technology that influences the entire business ecosystem. Leveraging data from over 1 million companies in our network, we build a business intelligence system that provides visibility into financial indicators and risk assessments across our collaboration network, enabling faster and more secure decision-making.Our Principles: How We Operate We put our clients at the center We believe and inspire‍ We act like owners We lead by example We challenge ourselves to win We take risks intelligently We harness the power of technologyWhat Are We Looking For?At Xepelin, we seek creative and visionary individuals who think outside the box to join our team. If you are passionate about solving interesting high-impact challenges and want to be part of a dynamic environment that is transforming the financial industry, this opportunity is for you!If you are motivated by the challenge of building innovative solutions in a fast-paced environment, we want to meet you.Join us, let’s grow together! What Are We Looking For?The role will integrate into our Cybersecurity team. If you are excited about the challenge of developing innovative solutions in a rapidly changing environment, we want to meet you.Join us, let’s grow together! Main Responsibilities- Design, develop, and maintain internal security tools/services focused on process automation such as vulnerability management, identity management, automatic attack surface detection, security assessments, risk management, etc.- Build efficient, secure, and scalable APIs and microservices (primarily backend) using Python (FastAPI or Flask), deployed in cloud environments and K8s. Knowledge of Go is a plus.- Collaborate with various Cybersecurity sub-teams and Platform teams in CI/CD pipelines focused 100% on security controls.- Vulnerability Management and Response

Why Join Xepelin?At Xepelin, we're revolutionizing business finance across Latin America with a comprehensive suite of products designed to automate financial management and enhance liquidity access. Our vision is to become the digital CFO for every business, leveraging advanced financial technology that positively influences the entire business ecosystem. With insights derived from over 1 million companies within our network, we create a sophisticated business intelligence system that provides visibility into financial indicators and risk assessments, empowering quicker and more secure decision-making.Our Principles: How We Operate We put our clients at the center We believe and inspire‍ We act like owners We lead by example We challenge ourselves to win We take intelligent risks We harness the power of technologyWhat Are We Looking For?We're on the lookout for creative and visionary individuals who think outside the box to join our team at Xepelin. If you're passionate about tackling high-impact challenges and want to be part of a dynamic environment that is transforming the financial industry, this opportunity is for you!If you thrive on the challenge of building innovative solutions in a fast-paced setting, we want to meet you.Join us and let’s grow together!

Toloka AI is looking for a freelance AI trainer with a strong background in both biology and Python. This remote position is based in Buenos Aires, Argentina. Role overview This role centers on developing and delivering training programs that connect biological concepts with Python programming. The aim is to support AI education by making complex topics accessible and relevant to learners. What you will do Contribute to the design and delivery of AI training content Integrate biology topics with practical Python exercises Share insights to improve the learning experience for users Location This is a remote freelance role for candidates located in Buenos Aires, Argentina.

Join our dynamic team at Miratech as a Senior iOS Developer. In this pivotal role, you will spearhead the innovation and development of cutting-edge mobile applications on the iOS platform. Your expertise in crafting clean, efficient code will not only elevate our products but also mentor our junior developers and contribute significantly to shaping our mobile strategy.Working Hours: 9:00 AM to 6:00 PM PSTKey Responsibilities:Develop high-quality code across the stack to create innovative products that delight our users.Design and implement features that empower users to accomplish tasks more efficiently.Collaborate closely with Product Managers, Designers, and QA engineers to enhance the overall user experience.Work alongside fellow engineers to architect new systems, refactor existing code, and ensure continuous deployment of code into production.As you grow within the role, take the lead on new product features and engineering initiatives.

Join Bancoli (https://bancoli.com), a forward-thinking fintech company driven by a team of passionate professionals committed to crafting solutions that make a significant impact. Our focus on collaboration and innovation allows us to create products that enhance lives, and we pride ourselves on working swiftly yet thoughtfully to ensure our contributions are meaningful.We are in search of a Senior Backend Engineer specializing in automation to enhance our diverse, globally distributed team. In this pivotal role, you will be key in developing secure, scalable, and user-friendly fintech products that cater to thousands of businesses worldwide. This position is entirely remote.Your contributions will involve driving the evolution of innovative, AI-enhanced software. You will work on optimizing our international value-moving products, such as predictive services and multi-currency payment systems, ensuring they meet the highest standards for safety, privacy, and performance.

Join NuBank as a Senior Analytics Engineer and play a pivotal role in transforming data into actionable insights. You will collaborate with cross-functional teams to design and implement advanced analytics solutions that drive strategic decisions. If you are passionate about leveraging data to influence business outcomes and thrive in a dynamic environment, we want to hear from you!

Join Cocos Capital, where we believe investing is simple and accessible for everyone!We have developed a fully digital, user-friendly, and secure platform that is already trusted by over one million users.Our mission is to revolutionize the financial system and democratize access to capital markets by providing innovative and personalized solutions that integrate all financial products into one app.We pride ourselves on our incredible team, made up of top professionals in their fields, always keeping the user at the center of everything we do.We have an exciting opportunity for you! We are looking for a Senior Quality Assurance Engineer to join our IT team The primary objective of this role is to ensure the quality of our code through the design, execution, and maintenance of both manual and automated tests for quality control.In this position, you will have the chance to be involved in all phases of project life cycles, from requirement gathering and test planning to test case execution and bug tracking.

Role overview Dialpad seeks a Senior Web Engineer based in Buenos Aires, Argentina. This position centers on enhancing and expanding the company’s web applications. The Senior Web Engineer works with cross-functional teams to design and implement features that support a seamless and dependable user experience. What you will do Work with product, design, and engineering colleagues to deliver new features for Dialpad’s web platform Create and implement solutions aimed at improving usability and performance Apply technical expertise to help advance Dialpad’s communication technology

Join our dynamic team as a Senior DevOps Engineer, where you will be at the forefront of our cloud and security initiatives. In this pivotal role, you will collaborate with cross-functional teams to enhance our infrastructure and automate processes, ensuring robust and efficient operations.

About GoFundMe GoFundMe connects a global community of over 150 million people who support each other through fundraising. Since 2010, the platform has helped raise more than $30 billion for causes worldwide. In 2022, GoFundMe partnered with Classy, a leading nonprofit fundraising software provider, to expand its reach and impact. Role Overview The Mobile team at GoFundMe is looking for a Senior Android Engineer. This team builds and maintains key features that help people support one another through the GoFundMe platform. Location This is a hybrid role based in Buenos Aires, Argentina.

Join a pioneering global technology group that's redefining the future. At Qodea, we empower high-caliber professionals to tackle high-stakes challenges that shape their careers. By becoming part of our team, you’re not just taking on projects; you're pioneering solutions to problems that have yet to be resolved.Our elite network of talent is sought after by industry giants such as Google, Snap, Diageo, PayPal, and Jaguar Land Rover, especially when deadlines are tight and previous attempts have faltered. Here, you won't engage in traditional consultancy; instead, you will operate at the intersection of technology, design, and human behavior to deliver impactful results swiftly. This is work that leaves a legacy, and you’ll take pride in sharing your journey.We seek individuals who embody:- Innovation in solving complex challenges.- Accountability for every outcome.- Integrity in all endeavors.Role OverviewWe are on the lookout for a visionary leader who can seamlessly connect advanced analytical research with practical, scalable solutions. As a Principal Data Science Engineer, you will utilize knowledge graphs, statistical models, and large language models to develop hybrid inference systems that generate substantial business value. You will be both a researcher and an innovator, striking a balance between theoretical insights and practical application.Responsibilities:Lead the development of advanced recommendation systems and AI-driven reasoning tools.Design hybrid inference frameworks that integrate LLM outputs with structured data sources like knowledge graphs.Implement data vectorization techniques for both textual and graphical data.Research and deploy novel graph-based technologies and algorithms to address intricate problems.Architect solutions that are resilient, trustworthy, and scalable for production environments.Shape company strategy by foreseeing future demands and navigating uncertainty.Qualifications That Will Set You Apart:Deep expertise in graph data modeling and analytics using tools such as Neo4j.Hands-on experience integrating LLMs for tasks like text analysis and data mapping.Proficiency in prompt engineering to direct LLM behavior for specific business outcomes.Solid experience with distributed computing frameworks for large-scale data transformation.A proven history of articulating well-reasoned perspectives to drive optimal technical results.Preferred Qualifications:Previous experience in the adtech or fintech sectors.Master's or PhD in a relevant AI or quantitative discipline.What We Expect:We are developing a world-class delivery center in Buenos Aires and are eager to attract the finest engineering talent in the region. We believe that the best work flourishes through in-person collaboration. A genuine commitment to being present in the office is essential.

Role Overview Speechify is hiring a Software Engineer to work on the iOS Core Product team in Buenos Aires. This role centers on building and improving features that shape the user experience on our iOS platform. What You Will Do Design and implement new features for the core iOS product Enhance existing functionality to improve usability and performance Contribute to Speechify’s mission to make reading more accessible Location This position is based in Buenos Aires, Argentina.

Join Despegar, a leading travel technology company, as a Full Stack Software Engineer I in Buenos Aires. In this role, you will collaborate with a dynamic team to design, develop, and implement innovative software solutions that enhance our travel services. Your passion for technology and commitment to excellence will help us deliver exceptional user experiences.

Join us at Webflow, where we are pioneering the world’s foremost AI-native Digital Experience Platform. As a remote-first organization, we prioritize trust, transparency, and an abundance of creativity. This dynamic role requires grit and a fast-paced approach, all while maintaining exceptional craftsmanship and quality. Our mission is to empower developers of all levels, from budding entrepreneurs to established enterprises, enabling them to design, launch, and optimize their web presence effortlessly. We envision a future for the web that is more open, creative, and equitable, and we invite you to be a part of this transformative journey.We recently announced our new office in Buenos Aires, and we are excited to have you as one of the inaugural members of the team. Not quite ready to apply? Stay connected and sign up here to be informed about upcoming opportunities and events with the Webflow team in Argentina. As a Senior Database Engineer, you will play a crucial role in ensuring our databases and supporting applications are high-performing, scalable, and reliable. This position merges your database expertise with a keen application-oriented mindset, ensuring that data layer modifications translate into enhanced product experiences.

Coderio is looking for a Tech Lead in Buenos Aires to guide the development of a Real-World Data (RWD) platform focused on high-quality medical imaging (DICOM). This position centers on leading the migration from an existing Golang-based system to a new, scalable Python architecture. Role overview This hands-on leadership role sets the technical vision and shapes architectural decisions for a next-generation Data-as-a-Service (DaaS) platform on Azure. The work involves building robust solutions for managing healthcare data at scale and ensuring the platform meets demanding quality standards. What you will do Direct the transition from a legacy Golang system to a modern Python-based platform Define and communicate the technical roadmap for the RWD platform Lead architectural planning and implementation on Azure Collaborate with international teams to deliver scalable digital solutions What we value Experience with Python, Go, React, and Azure Ability to set technical direction and drive architectural decisions Strong communication and collaboration skills Commitment to technical excellence and transparent teamwork

Role Overview Coderio is looking for a Senior Analytics Data Engineer in Buenos Aires. This role focuses on shaping data into practical insights that support business decisions and operational improvements. The engineer will use advanced analytics tools and methods to help refine and implement Coderio’s data strategy. What You Will Do Work with cross-functional teams to understand data needs and requirements Build and implement data solutions that support analytics and reporting Apply advanced analytics tools and methodologies to drive efficiencies Contribute to ongoing improvements in data processes and strategy Location This position is based in Buenos Aires.

Join SoftwareMind as a Senior Integration Engineer, where you will play a pivotal role in delivering robust integration solutions. Collaborate with cross-functional teams to design, implement, and maintain integration systems that meet our clients' needs.

About CookUnity:At CookUnity, we believe that food should be a source of nourishment, inspiration, and connection. Founded in 2018, we are the pioneering platform that links individuals with exceptional chefs, delivering over 50 million meals annually across the country. Our meals are fresh, ready-to-eat, and crafted with care and passion, bringing culinary excellence right to your home.But we’re not stopping there. CookUnity is evolving into a dynamic marketplace with a singular mission: empowering chefs to feed the world.If this mission resonates with you, then you’ve come to the right place.About the Team:Fraîche is CookUnity’s premium smart fridge solution for workplaces, offering fresh, chef-crafted meals, snacks, and beverages available 24/7 right in the office. Employees can explore a diverse menu on the Fraîche mobile app to unlock the IoT-enabled fridge and enjoy their meals without pre-ordering. As part of CookUnity’s B2B division, Fraîche is redefining the dining experience in workplaces, transforming how employees eat at work.We are looking for a Senior Backend / Platform Engineer with robust backend engineering experience and the capability to contribute to our mobile app (approximately 70% backend / 30% mobile). In this role, you will enhance our platform capabilities that power the Fraîche experience, including backend services developed with PHP and Symfony, data systems (PostgreSQL, Elasticsearch), message queues, Redis, and infrastructure operations. Additionally, you will contribute to the Fraîche mobile app (Flutter preferred, React Native acceptable) for both hardware-aware and user-facing features. If you are passionate about backend development, platform reliability, automation, and creating products that seamlessly connect the digital with the physical, this position is perfect for you!