Machine Learning Engineer jobs in Lisbon – Page 14 | RoboApply Jobs

Machine Learning Engineer jobs in Lisbon· Page 14

Results 261–280 of 325 for “Machine Learning Engineer” in Lisbon.

325 jobs found

261 - 280 of 325 Jobs
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Veeam Software logo
Full-time|On-site|Lisbon, Portugal

Join Veeam Software as a Quality Assurance Automation Engineer specializing in Java!As a key member of our team, you will be responsible for designing, developing, and executing automated test scripts to ensure the quality and performance of our software products. Your expertise in Java will be pivotal in enhancing our testing frameworks and driving continuo…

Apr 30, 2026
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Gapstars logo
Full-time|Hybrid|Lisbon, Lisboa, Portugal

Join Gapstars as a Mid-Level Software Engineer!At Gapstars, we pride ourselves on building innovative remote teams across Sri Lanka and Portugal, dedicated to delivering exceptional software solutions for forward-thinking tech companies. Our dynamic team of over 275 TechStars is committed to transforming scalable software into high-performance products that reshape industries. We collaborate with ambitious partners in technology, striving to excel in their respective markets.Role OverviewWe are looking for a Mid-Level Software Engineer who will be instrumental in supporting a rapidly expanding FinTech cloud-based data and analytics platform utilized by leading global market players. Your role will focus on developing reliable, secure, and high-quality systems that facilitate large-scale data distribution, emphasizing hands-on engineering, automation, and data visualization.This is a hybrid role based in Lisbon, Portugal.Key Responsibilities:Contribute to the growth of our FinTech solutions by shaping technology initiatives.Translate high-level business objectives into scalable, architecturally sound solutions leveraging GCP.Develop robust, secure systems, ensuring effective workarounds for service continuity during failures.Plan and execute structured releases to minimize disruptions, with clear rollback strategies.Mentor junior team members, promoting a culture of continuous learning and development.Essential QualificationsAt least 2 years of experience in Python and/or Java.Strong expertise in databases and cloud data warehouses (e.g., SQL, PostgreSQL).

Feb 24, 2026
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autodoc3 logo
Full-time|On-site|Lisbon

Join autodoc3 as an Engineering Lead, where you will lead innovative projects and mentor a talented team of developers. Your expertise in Java or Kotlin and PHP will be crucial in driving our technology initiatives forward.

Mar 30, 2026
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Sixt SE logo
Full-time|On-site|Lisbon

Join our dynamic tech team at Sixt SE as a Backend Java Software Engineer! In this exciting role, you will be responsible for designing, developing, and maintaining robust backend systems that drive our innovative applications. Collaborate with cross-functional teams to deliver high-quality software solutions that enhance our customer experience.

Aug 8, 2025
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Tripadvisor, Inc. logo
Full-time|Hybrid|Lisbon

Tripadvisor Experiences (Viator) is looking for a Mid-Level DevSecOps Engineer to help secure its AWS-based platform. This role centers on proactive security engineering and hands-on incident response for a large-scale travel experiences marketplace. Role overview The DevSecOps Engineer II will monitor the AWS cloud environment for security threats, respond to incidents, and automate security processes. Collaboration with engineering teams is a key part of the job, working together to strengthen platform security and ensure safe travel experiences for users worldwide. Key responsibilities Monitor AWS infrastructure for security threats and vulnerabilities Respond to security incidents and support investigations Automate security processes to improve detection and response Work closely with engineering teams to embed security best practices Location This is a hybrid position based in Portugal. Occasional travel to the Lisbon office may be required.

Apr 28, 2026
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Air Apps logo
Full-time|On-site|Lisbon

About Air AppsAt Air Apps, we embrace the power of innovation and speed. Founded in 2018 in Lisbon, Portugal, we are dedicated to creating the world’s first AI-driven Personal & Entrepreneurial Resource Planner (PRP). With a self-funded approach, we have achieved over 100 million downloads globally. Our mission is to transform the way people plan, work, and live, and we invite you to join us in this exciting journey.As a member of our team, you will contribute to a culture that prioritizes creativity and challenges the status quo by pushing the limits of AI technology. Your work will help empower individuals worldwide through innovative resource management solutions.Join us as we redefine the future of resource management and enhance lives around the globe.The RoleIn the capacity of a QA Engineer, you will be pivotal in maintaining the quality, reliability, and performance of our mobile applications. Your primary focus will be on developing robust automated tests and enhancing our API testing procedures, while also engaging in hands-on functional validation as necessary.Collaborating closely with developers, product managers, and designers, you will help identify potential issues early in the development process, expand test coverage, and implement scalable testing strategies that ensure a seamless user experience.Your contributions will be critical in detecting bugs, verifying feature implementations, automating tests, and validating software stability prior to deployment.

Feb 17, 2026
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Veeva Systems, Inc. logo
Full-time|Remote|Portugal - Lisbon

Veeva Systems is a pioneering organization in industry cloud solutions, dedicated to expediting the delivery of therapies to patients within the life sciences sector. As one of the fastest-growing SaaS companies in history, we achieved over $2 billion in revenue last fiscal year, with promising growth opportunities on the horizon.Our core values of integrity, customer success, employee success, and speed form the foundation of our work culture. In 2021, we made history by becoming a public benefit corporation (PBC), which legally binds us to balance the interests of our customers, employees, society, and investors.As a Work Anywhere company, we prioritize your flexibility, allowing you to thrive in either a remote or in-office environment.Join us in transforming the life sciences industry by positively impacting our customers, employees, and communities.The RoleAs a part of Veeva Link, we are developing an intelligence layer for the life sciences sector, creating interconnected data applications that speed up drug development and enhance patient outcomes. Our belief is that the integration of high-quality data with advanced software yields significant value.Execution is paramount to us. Progress is driven by speed, accuracy, and quality in our daily creations. Our engineering philosophy focuses on precise product definitions that lead to thorough technical designs. We utilize a modern tech stack to produce reliable applications that provide an excellent user experience.Our initiatives encompass two vital domains:Data-Driven InsightsWe create sophisticated applications that map and comprehend global scientific and medical expertise, delivering impactful insights and AI-generated intelligence. Our engineers address complex data modeling, entity resolution, and advanced machine learning challenges.Intelligent Business WorkflowsWe design intelligent workflows that streamline business processes in the life sciences sector, ensuring efficiency and effectiveness in our operations. Our technologies facilitate seamless integration and collaboration across various functions.

Feb 10, 2025
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Kaizen Gaming logo
On-site|On-site|Lisbon, Portugal

Join Our Team at Kaizen GamingKaizen Gaming, the driving force behind Betano, stands as one of the largest GameTech companies globally, actively engaging in 19 markets. Our commitment to harnessing advanced technology allows us to deliver exceptional experiences to millions of customers who rely on us for their entertainment.With a vibrant team of over 2,700 Kaizeners from more than 40 nationalities across three continents, we take pride in our diversity and innovation. Recognized as one of the Best Workplaces in Europe, and certified as a Great Place to Work, our environment promises excitement and growth every day. Are you ready to Press Play on your potential?About the RoleDesign, develop, and maintain high-quality, efficient, and reusable code.Create interfaces that connect components of diverse subsystems within a high-transaction production environment.Optimize application performance, quality, and responsiveness.Diagnose and resolve bottlenecks, bugs, and complex challenges.Our Technology StackOur services are primarily developed using C# / ASP.NET, with newer implementations utilizing .NET Core. The front-end is powered by Vue.js for new applications, while legacy systems employ server-rendered (Razor) views combined with jQuery and Knockout.js. We rely on MS SQL Server for data storage, complemented by Redis and ElasticSearch when appropriate. RabbitMQ serves as our message broker, and we utilize GitLab for version control and CI, alongside the Atlassian suite for ticketing and documentation.Your QualificationsA minimum of 1 year of development experience with C# / ASP.NET / MVC (either full framework or .NET Core).Fundamental understanding of web technologies, such as HTTP.Experience in data access, including databases and APIs.Familiarity with unit testing is a plus.Perks of Joining Kaizen Gaming Flexible hybrid working model. Personalized onboarding support through a buddy system. Attractive salary package with performance-based bonuses.‍ Comprehensive health and life insurance for you and your family. Monthly meal allowance.⭐ Continuous development through our 360° feedback framework. Unlimited access to Udemy and ongoing training opportunities.

Feb 4, 2026
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Veeam Software logo
Full-time|On-site|Lisbon, Portugal

Join Veeam Software as a Junior to Mid-Level Quality Assurance Engineer where you will play a crucial role in ensuring the quality and reliability of our products. You will collaborate with cross-functional teams to design, implement, and execute test cases while actively participating in the software development life cycle.

Apr 2, 2026
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Veolia Environnement SA logo
Full-time|On-site|Lisboa

Join Veolia Environnement SA as a Legionella Prevention and Control Engineer in the vibrant Greater Lisbon area. In this pivotal role, you will be responsible for implementing and overseeing strategies to mitigate the risks associated with Legionella bacteria in water systems. Your expertise will contribute to maintaining public health and ensuring compliance with applicable regulations.

Apr 6, 2026
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Speechify logo
Full-time|Remote|Lisbon, Portugal

About Speechify Speechify builds tools that remove reading barriers and help people learn in new ways. More than 50 million users depend on our text-to-speech products to turn everything from PDFs and books to Google Docs, news articles, and websites into audio. Our platform includes apps for iOS, Android, Mac, Chrome, and the web. We have received recognition from both Google (Chrome Extension of the Year) and Apple (2025 Design Award for Inclusivity), reflecting our focus on accessibility and thoughtful user experience. Our Team Speechify operates as a fully distributed company, with nearly 200 team members working remotely across the globe. Our group includes frontend and backend engineers, AI research scientists, and experienced professionals from Amazon, Microsoft, and Google, as well as alumni of Stanford and fast-moving startups like Stripe and Vercel.

Apr 20, 2026
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Trustly logo
Full-time|On-site|Lisbon, Portugal (EU)

Role Overview Trustly is looking for a Senior Software Engineer in Lisbon, Portugal. This role focuses on building and improving payment solutions that help make online transactions smoother and more secure. The team values collaboration and creative problem-solving while working to extend the platform’s features.

Apr 14, 2026
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Sixt logo
Full-time|On-site|Lisbon

Join our dynamic team at Sixt as a Senior Data Governance Engineer, where you will play a pivotal role in shaping our data governance strategy. You will be responsible for establishing data management policies, ensuring compliance, and enhancing data quality across various business units. This is an exciting opportunity to contribute to our innovative projects while collaborating with cross-functional teams.

Apr 30, 2026
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Inetum logo
Full-time|On-site|Lisbon

Join our dynamic team as an Identity & Access Management (IAM) Engineer in Lisbon! We are looking for a talented professional with extensive experience in the implementation of sophisticated IAM controls. This role will focus on technically advanced projects, emphasizing automation, security, and a culture of continuous improvement.Key Responsibilities:Implement cutting-edge IAM controls and continuous monitoring strategies.Ensure adherence to internal policies, standards, and industry best practices.Design and develop automation solutions and technical integrations using Python (or Ruby).Manage and optimize Linux and Windows Server environments.Define, track, and report on security metrics and KPIs.Collaborate effectively with technical teams to enhance and streamline operational processes.Support identity lifecycle management activities, including provisioning, governance, and access review.

Feb 24, 2026
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Atto Trading logo
Full-time|On-site|Lisbon, Lisbon, Portugal

Atto Trading is an innovative quantitative trading firm leading the way in global high-frequency trading strategies. We are looking for a talented C++ Software Engineer to become a key member of our expanding team in Lisbon, Portugal. This position requires on-site presence.Our diverse international team consists of experts in trading, statistics, engineering, and technology, allowing us to create a collaborative environment where we transform ideas into profits swiftly. We pride ourselves on our integrity, creativity, and dedication while tackling some of the most challenging problems in the industry.Key Responsibilities:Architect and implement high-performance components for our trading infrastructure.Develop cutting-edge high-frequency trading (HFT) systems in C++ focusing on low latency and high reliability.Write modern, efficient code, utilizing the latest C++ standards.Interact directly with advanced networking hardware through kernel-bypassing drivers.Conduct performance research to enhance our platform's speed and scalability.

Aug 28, 2024
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Tripadvisor, Inc. logo
Full-time|Hybrid|Lisbon

The Tripadvisor Group is dedicated to connecting people with experiences that are truly worth sharing. Our mission is to be the most trusted source for travel and experiences globally. By leveraging our esteemed brands, cutting-edge technology, and extensive capabilities, we connect a worldwide audience with partners through engaging content, expert travel advice, and two-sided marketplaces offering experiences, accommodations, restaurants, and more. The Tripadvisor Experiences Engineering team operates across Europe, overseeing Tripadvisor.com, the Tripadvisor mobile applications, and their supporting infrastructure. We manage the systems that empower operators to expand their businesses and enable third parties to access our extensive inventory. Additionally, we provide essential tools that equip our customer service teams to deliver world-class support to travelers and operators around the globe. We are on the lookout for a Software Engineer II to join our rapidly expanding team. This position is available for candidates residing within a commutable distance (typically up to 2 hours) from one of our office hubs in Lisbon, Saldanha. We embrace flexibility in work arrangements while also valuing the importance of in-person interactions for collaboration and connection. Expect a remote-first working model with occasional in-person gatherings at your closest office for team bonding, strategic planning, or other significant moments. At Tripadvisor, our engineers are adaptable and relish tackling diverse technical challenges. This is primarily a backend-focused full-stack role, where you'll predominantly work on backend tasks, with occasional frontend projects. While a strong desire to learn is essential, prior expertise in frontend development is not a prerequisite; we provide on-the-job training. Within our dynamic environment, our engineers collaborate closely with product managers and designers, engaging in the entire software development lifecycle—from design and coding to testing and deployment. Most of our engineers release code to production every few days, following a daily release cycle. Our tech stack includes Java, React, TypeScript, GraphQL, Kubernetes, SQL, and NoSQL databases, all hosted on AWS. While familiarity with every technology is not mandatory, a strong willingness to learn is crucial. You should have experience with a statically typed, object-oriented programming language such as Java, C#, or C++. Perks of Working at Tripadvisor Competitive compensation packages, including base salary and annual bonuses.

Mar 2, 2026
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Veeva Systems Inc. logo
Full-time|Remote|Portugal - Lisbon

Veeva Systems is a purpose-driven leader in the industry cloud sector, dedicated to accelerating the delivery of therapies to patients. As one of the fastest-growing SaaS companies ever, we achieved over $3 billion in revenue last year and are poised for even greater growth. Our core values, which include Doing the Right Thing, Customer Success, Employee Success, and Speed, define our culture. In 2021, we made a significant milestone by becoming a Public Benefit Corporation (PBC), ensuring we balance the interests of all stakeholders: customers, employees, society, and investors. As a Work Anywhere organization, we embrace flexible work arrangements, allowing you to work from home or in the office, creating an environment where you can excel. Join us as we revolutionize the life sciences sector, with a commitment to positively impacting our customers, employees, and communities.The Role Are you enthusiastic about creating impactful products in a pioneering environment? We are on a mission to develop a data stewardship platform that enhances OpenData's data curation workflows, enabling Product Managers and over 1,000 data stewards globally to collaborate efficiently and achieve their data quality and coverage objectives. As a Full Stack Product Developer, you will work closely with a talented team of engineers to design and implement features from ideation to deployment. You will thrive in an agile environment, making a direct impact on users within a rapidly expanding, market-leading life sciences company.

Sep 20, 2024
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Datadog logo
Full-time|Hybrid|Lisbon, Portugal

At Datadog, our mission is to integrate security and observability for modern organizations. Our Bits AI for Security is an innovative AI agent that utilizes large language models (LLMs) to assist analysts in investigating alerts, comprehending threats, and enhancing response times. We are in search of a product-focused AI Engineer to help us develop the next generation of AI-powered security solutions. We cherish our workplace culture at Datadog, which fosters relationships, collaboration, and creativity. Our hybrid work model allows Datadogs to strike a balance between their professional and personal lives.

Feb 27, 2026
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inetum2 logo
Full-time|On-site|Lisbon

Join inetum2 as a Big Data Engineer and be part of a forward-thinking company that is at the forefront of technological innovation. In this role, you will work with large datasets, developing cutting-edge solutions that drive data-driven decision-making and enhance business operations.

Sep 16, 2025
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Sixt SE logo
Full-time|Remote|Lisbon

Sixt SE is hiring an AI Quality Assurance Engineer for its Lisbon office. This role centers on ensuring that AI systems operate reliably and meet strict quality and performance standards. Key responsibilities Test and validate AI systems to confirm they perform as intended Collaborate with data scientists and software engineers to develop and refine testing approaches Identify issues and contribute to the ongoing reliability of technology solutions Apply strong attention to detail to help AI products meet quality expectations Team collaboration This position is part of the IT department and involves working closely with technical colleagues, especially data scientists and software engineers.

Apr 22, 2026

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