Backend-Focused Software Engineer II at Tripadvisor | 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 a…

Join inetum2 as a Salesforce Developer and be a part of a dynamic team dedicated to delivering innovative solutions. In this role, you will leverage your Salesforce expertise to enhance our clients' business operations and ensure their success. If you are passionate about technology and eager to make a significant impact, we would love to hear from you!

Are you a passionate Fullstack Developer eager to take your skills to the next level? Join our dynamic team at inetum2 in Lisbon, where innovation meets collaboration. As a Fullstack Developer, you will engage in exciting projects that challenge your coding abilities and foster your growth in a supportive environment.

SingleStore is seeking a Software Engineer (Graduate) to join its Lisbon office. This position centers on building real-time technology that helps businesses work more efficiently. The engineering team emphasizes teamwork, creativity, and hands-on ownership of projects from the initial idea through deployment. New graduates will collaborate closely with experienced engineers, receiving mentorship and opportunities for professional growth. Cross-functional work with product management, marketing, and sales is a regular part of the role. What you will do Design and improve product features using advanced technologies, including WASM Strengthen cluster fault tolerance for SingleStore deployments Boost SQL query performance with methods such as SIMD and LLVM code generation Create and refine search and costing modules for the query optimizer Contribute to both new and ongoing projects that ship with each release Write and test production software, gaining insight into the product and business operations Requirements Bachelor’s degree in Computer Science, Electrical Engineering, Computer Engineering, or a related discipline Strong grasp of computer science fundamentals, including operating systems, concurrency, multithreading, and server architectures Proficiency in C++ or C Solid understanding of algorithms and data structures Interest in building reliable, robust software Work environment Engineers at SingleStore work in small, collaborative teams and see their contributions go live with every release. The company values celebrating achievements together, both in the office and throughout Lisbon.

Join our dynamic team at altersolutions as a Mendix Developer, where your skills will help shape innovative solutions. We are looking for talented individuals who are passionate about low-code development and eager to contribute to exciting projects.

Join our innovative team as a Mid-Level Automatic Software Tester in Lisbon, where quality and creativity are at the forefront of our projects. We are seeking a dedicated professional ready to make a significant impact in the field of software testing.Key Responsibilities:Design and implement automated testing solutions to ensure software reliability and performance.Develop and maintain robust automation frameworks.Work collaboratively with development teams to uphold and enhance quality standards.Analyze testing outcomes, identify defects, and provide actionable insights for improvements.Document testing processes and suggest enhancements to optimize workflows.

About GapstarsGapstars, a premier software development services firm based in the Netherlands, specializes in cultivating remote, agile teams in Sri Lanka and Portugal for groundbreaking tech companies. Our workforce of over 275 TechStars is dedicated to transforming scalable software into high-performance products that redefine industry standards. We partner with ambitious tech firms aiming to dominate their markets.Position OverviewWe are looking for a Senior Software Engineer to enhance a rapidly expanding FinTech’s cloud-based data and analytics platform utilized by leading global market players. You will design and implement dependable, secure, and high-quality systems that facilitate extensive data distribution, with a strong emphasis on hands-on engineering, automation, and data visualization.This role is hybrid, located in Lisbon, Portugal.Key ResponsibilitiesDrive technological advancements within a fast-growing fintech company by shaping its tech solutions.Interpret business requirements and convert high-level goals into well-structured, scalable solutions utilizing the best practices of GCP.Develop robust, secure, and reliable systems, implementing practical workarounds to ensure service continuity during failures.Plan and execute well-structured releases while minimizing disruption and establishing clear rollback strategies.Guide and support junior team members, promoting a culture of learning and professional development.QualificationsAt least 5 years of experience in software development using Python and/or Java.Strong expertise in databases and cloud data warehouses (SQL, PostgreSQL, MySQL, etc.).

Join GoCardless: Pioneers in Global Payment SolutionsAt GoCardless, we are redefining how businesses manage their payments. With a trusted platform utilized by over 100,000 businesses, ranging from budding startups to renowned brands, we facilitate seamless payment collection and disbursement through direct debit, real-time payments, and open banking.We proudly process over US$130 billion in payments annually across more than 30 countries, empowering our clients to effortlessly handle both recurring and one-off payments—all without the hassle of chasing payments or incurring hefty fees. Our innovative AI-driven solutions enhance payment success rates and minimize fraud. Through our open banking connections with over 2,500 banks, we enable our clients to make informed, swift financial decisions.Headquartered in the UK, with offices in London and Leeds, we have expanded our footprint to Australia, France, Ireland, Latvia, Portugal, and the United States.At GoCardless, we prioritize an inclusive and supportive hiring process. If you need any accommodations or assistance, please reach out to our Talent Partner—we're here to support you!If this opportunity excites you, we encourage you to apply, even if you do not meet every single requirement!Engineering Excellence at GoCardlessAs a Software Development Engineer at GoCardless, you will face a variety of technical challenges, from simplifying banking schemas to optimizing dashboard rendering times.You will thrive in our environment if:You aspire to foster a vibrant engineering culture at GoCardless and within the broader tech community.You enjoy collaborating with diverse teams and learning from varied experiences.You take pride in your contributions and their positive impact on real users.Our engineers actively shape the engineering landscape, contributing to Open Source Software initiatives (visit our Github) and sharing insights through post-mortems, conferences, and on our blog.

Join our dynamic team as a Manual Software Tester for an exciting project in Lisbon! If you have a passion for ensuring software quality and possess a keen attention to detail, we would love to hear from you!Key Responsibilities:Design and execute comprehensive manual test cases.Identify, document, and report software bugs effectively.Collaborate closely with the development team to troubleshoot and resolve issues.Verify that functional requirements are satisfied.Actively participate in the ongoing enhancement of QA processes.

About Air AppsAt Air Apps, we envision a world where technology empowers individuals and businesses alike. Founded in 2018 in Lisbon, Portugal, we are on a transformative mission to develop the first AI-powered Personal & Entrepreneurial Resource Planner (PRP). With over 100 million downloads globally, we pride ourselves on being a self-funded company committed to innovation and excellence.Our focus on long-term goals drives us to constantly challenge the conventional, pioneering AI-driven solutions that significantly enhance people's planning, work, and lifestyle. Here, your creativity will shape products that empower users worldwide.Join us in revolutionizing resource management and making a lasting impact on lives.The RoleAs a Software Architect / Solutions Architect at Air Apps, you will lead the charge in defining and overseeing the architectural framework of our AI-driven platform. You will work closely with engineering teams, product managers, and stakeholders to architect scalable, secure, and high-performance solutions that align with our business objectives.Your expertise will be crucial in shaping our technology strategy, evaluating new tools and frameworks, and ensuring adherence to best practices in software design, cloud infrastructure, and system integration.ResponsibilitiesDefine and maintain the overall architecture and system design for scalable and efficient software solutions.Provide technical leadership to engineering teams, guiding them in best practices for architecture, coding, and system scalability.Design and document high-level system diagrams, data flows, and API structures.Evaluate and recommend technologies, frameworks, and cloud services to optimize performance, security, and cost-efficiency.Ensure high availability, fault tolerance, and security in all architectural decisions.Oversee system integrations, including microservices, APIs, and third-party services.Collaborate with DevOps and SRE teams to ensure smooth deployment and operational reliability.Establish coding and architecture standards to ensure maintainability and scalability.

Join SIXT as we redefine the future of mobility through innovative technology. As a Software Engineering Manager, you will spearhead engineering initiatives for critical platforms that drive our global fleet operations and enhance revenue optimization. Your teams will develop systems for fleet planning, lifecycle management, operational decision-making, and logistics, enabling data-driven strategies across a vast network of vehicles worldwide.In collaboration with product managers, data scientists, analysts, and business stakeholders, you will help design and scale solutions that forecast demand, improve fleet utilization, and facilitate real-time operational decisions. As we modernize our core platforms, your contributions will directly impact operational efficiency, customer satisfaction, and overall business performance within our global mobility ecosystem.YOUR ROLE AT SIXTLead and cultivate high-performing engineering teams, promoting a culture of ownership, continuous improvement, and technical excellence, with a focus on adopting modern software development practices, particularly in AI and agentic engineering.Empower teams to create and deliver scalable, reliable systems while fostering modern engineering practices and robust architectural thinking.Serve as a mentor and coach, guiding autonomous teams in overcoming complex technical and organizational challenges.Collaborate closely with product leaders to shape product vision, translating business challenges into technical solutions that deliver measurable value to customers and the business.Drive execution and delivery of large-scale cross-functional initiatives involving engineering, data science, analytics, and business stakeholders.Balance speed and quality by managing trade-offs between rapid delivery, system scalability, and long-term technical sustainability.

Join our dynamic team at inetum2 as a Software Developer specializing in Mimo/Mobilix. In this role, you will leverage your programming skills to develop innovative software solutions that enhance user experiences. Collaborate with a talented team of professionals to deliver high-quality applications that meet the needs of our clients.

Join Pipedrive as a Staff Software Architect and play a pivotal role in shaping the future of our software solutions. In this key position, you will lead architectural design, collaborate with cross-functional teams, and drive innovative engineering practices to optimize performance and scalability. Your expertise will guide the development of cutting-edge features and ensure the delivery of high-quality software that meets our customers' evolving needs.

Join Sixt, a leading global mobility service provider, as an RPA Developer in our Lisbon office. In this role, you will have the opportunity to design, develop, and implement effective robotic process automation solutions that enhance operational efficiency and streamline processes. You will work closely with cross-functional teams to identify automation opportunities and leverage RPA technologies to deliver innovative solutions.

Join inetum2 as a Software Architect and play a pivotal role in designing and implementing innovative software solutions. You will collaborate with cross-functional teams to enhance system architecture, ensuring optimal performance and scalability.

Role overview airapps is seeking a Software Architect based in Lisbon. This position shapes the technical direction of software projects, turning complex requirements into practical architecture. The architect plays a key role in ensuring applications remain scalable and reliable as business needs evolve. What you will do Design software architecture that aligns with current and future business goals Translate both technical and business requirements into clear, functional solutions Guide development teams to deliver high-quality software Encourage scalable and maintainable code across projects Requirements Experience designing software architecture for complex systems Ability to communicate technical ideas to engineers and stakeholders Collaborative approach to problem-solving and team leadership Strong interest in building reliable and scalable applications

About Relay Commerce Relay Commerce is a leading e-commerce enablement platform providing innovative scaling solutions tailored for personalized messaging, social commerce, and customer retention strategies. We empower merchants to thrive in an ever-changing digital marketplace with our cutting-edge suite of tools. Currently, our solutions facilitate over $1 billion in incremental gross merchandise volume for more than 35,000 merchants worldwide. Our ecosystem features eight advanced software products designed to enhance merchant revenue growth through email marketing automation, conversion optimization, user-generated content management, retention analytics, and subscription management. Relay's products are recognized as essential revenue-generating tools for forward-thinking e-commerce merchants across the globe. Role Overview In this pivotal role as a Full-stack Software Engineer, you will primarily focus on back-end development (approximately 70% of your time) by creating robust TypeScript services that drive subscription management, billing workflows, and merchant-facing APIs for Shopify stores handling millions of transactions. You will work collaboratively within a team, independently delivering features while collaborating with a seasoned team lead to propose solutions, implement them, and oversee their operation in production. It is crucial that these systems maintain high reliability, observability, maintainability, and performance. Utilization of AI tools such as Claude code and Codex will enable you to accelerate feature delivery effectively. Additionally, you will contribute to our React-based front-ends (approximately 30%) in a dynamic, multi-functional team environment. About Smartrr Smartrr, a subsidiary of Relay Commerce, is a frontrunner in subscription solutions tailored for e-commerce brands. Our platform empowers numerous Shopify merchants to effortlessly launch, manage, and scale their subscription and loyalty programs. Smartrr has facilitated over $300 million in transaction volume, significantly strengthening customer relationships and brand profitability.

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.

Role overview GoCardless is looking for a Senior Software Development Engineer based in Lisbon, Portugal. The main focus is on developing and refining software that helps businesses handle payment processing more easily across the globe. What you will do Collaborate with engineers to design, build, and launch new product features Improve existing systems with an emphasis on performance and security Support a dependable and user-friendly experience for customers The team This engineering group values quality and the impact of their work. Team members prioritize collaboration and technical skill in their daily projects.

Gapstars, a Netherlands-based leader in software development services, specializes in creating innovative remote teams in Sri Lanka and Portugal. With over 250 TechStars on board, we transform scalable software into high-performance products that are set to shape the future of technology. We partner with ambitious tech companies eager to dominate their markets.We are seeking a Medior Backend Software Developer to join PFM Intelligence, Europe’s foremost independent movement-data platform. PFM processes real-time footfall and occupancy data for over 7,800 locations in the Netherlands, Belgium, Germany, and the UK, and is evolving into a comprehensive Platform-as-a-Service (PaaS) provider. This role is pivotal to that transformation.In this position, you will focus on developing impactful backend integrations that link PFM’s core platforms and automate essential commercial processes. This hands-on role will allow you to take ownership of significant technical components and directly influence the scalability of our platform.You will collaborate closely with a senior engineer, a backend developer, a cloud migration expert, and an ERP application specialist in a fully remote, highly collaborative environment. Our engineers make technical decisions, and you will have the autonomy to design, build, and refine backend services that operate at scale in production.