Senior MS .NET Developer

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.

Join our innovative team as a Senior Software Engineer at Inetum in Lisbon. We are seeking a passionate individual who excels in software development and thrives in a collaborative environment. As a Senior Software Engineer, you will play a pivotal role in designing and implementing cutting-edge software solutions that meet our clients' needs.Ideal candidates will possess a strong background in software engineering, a knack for problem-solving, and the ability to mentor junior engineers. You will work closely with cross-functional teams to deliver high-quality products while ensuring best practices in software development.

Join the Tripadvisor Group, where we connect people with unforgettable experiences and strive to be the world's most trusted source for travel and adventure. Utilizing our vast portfolio of travel brands and advanced technology, we aim to engage a global audience and facilitate meaningful connections with our partners across diverse travel categories including accommodations, restaurants, and unique experiences. The Tripadvisor Experiences Engineering team, distributed across Europe, plays a pivotal role in managing Tripadvisor.com and our mobile applications, alongside the supporting infrastructure. We empower operators to grow their businesses while enabling third parties to leverage our comprehensive inventory. Our dedicated team provides essential tools that support our customer service representatives in delivering exceptional service to travelers and operators worldwide. We are in search of a Senior Software Engineer to become part of our dynamic team. This position is available to candidates who can commute (generally within a 2-hour radius) to one of our office hubs in Lisbon. We appreciate flexibility in work arrangements and value the importance of in-person interactions for collaboration and connection. Expect a remote-first work model complemented by periodic office gatherings for team planning and engagement. At Tripadvisor, our engineers thrive on tackling a diverse array of technical challenges. This backend-focused full-stack role primarily involves backend development, with opportunities to engage in frontend projects as well. While a willingness to learn is essential, expertise in frontend development is not required at the outset, as we offer on-the-job training. Our collaborative environment is designed for productivity, where engineers work closely with product managers and designers throughout the entire software development lifecycle—from design and coding to testing and deployment. Most engineers deploy code to production every few days within our daily release cycle. The technology stack at Tripadvisor includes Java, React, Typescript, GraphQL, Kubernetes, SQL, and NoSQL databases on AWS. While strong proficiency in Java is mandatory, familiarity with the entire stack is not a prerequisite; a passion for learning is what we value most. Why Work with Us? Competitive compensation packages, including base salary, annual bonuses, and more. “Work your way” approach offering flexibility to cater to your lifestyle and needs.

Role overview Jobgether is hiring a Senior Software Engineer for Product Engineering in Portugal. This position focuses on building and refining products that address customer needs. Expect hands-on development work and frequent collaboration with colleagues from various departments. What you will do Design and develop software products, guiding new features from initial idea through to launch Maintain and improve existing solutions to support reliability and strong performance Collaborate with cross-functional teams to deliver well-tested releases Help advance engineering practices and processes Location This position is based in Portugal.

Why Choose VerifoneWith over three decades of excellence, Verifone has carved a prominent niche in the electronic payment technology sector. Recognized as a leading brand in electronic payment solutions, we are one of the largest global providers of electronic payment systems.At Verifone, our vibrant and diverse work environment fosters a results-driven culture where employees are empowered to excel. Collaborating with top retailers, merchants, banks, and partners worldwide, we are committed to delivering innovative payment solutions. Our obsession with excellence and customer satisfaction drives our team to lead the industry through ingenuity and an ambitious mindset. Whether it’s advancing secure payment systems or exploring new market opportunities, every Verifone employee is dedicated to the success of our customers and partners. This passion for innovation fuels personal and professional growth.We embrace an in-office culture, recognizing the immense benefits of co-location for career advancement and business outcomes. Currently, we offer a hybrid work schedule, with continual evaluations of our attendance policy.

About the Role Renesas Electronics Corporation is hiring a Senior Backend Software Engineer in Lisbon. This role focuses on designing, building, and maintaining backend systems that support Renesas products. What You'll Do Develop and maintain backend software components Work with cross-functional teams to deliver reliable solutions Contribute to the architecture and performance of core systems Location This position is based in Lisbon.

Join our dynamic team as a Senior .NET Software Engineer at inetum2, where you will have the opportunity to enhance and develop innovative software solutions. You will be responsible for designing, coding, and implementing high-quality software applications using .NET technologies.We are looking for passionate individuals who thrive in a collaborative environment and are eager to push the boundaries of technology. Your expertise will play a crucial role in our projects and will directly impact client satisfaction and project success.

As a Senior Full-Stack Software Engineer at Inetum, you will join a globally distributed team of developers dedicated to crafting innovative software solutions. Your role will involve collaborating with diverse teams across various regions to create scalable, secure, and efficient applications that align with both business objectives and technical standards.Key Responsibilities:Architect and implement robust full-stack applications following best practices and technology roadmaps.Engage in requirement analysis, design solutions, and contribute to system architecture discussions.Develop and enhance user-centric front-end interfaces and back-end services.Work closely with cross-functional teams to ensure seamless integration, testing, and deployment.Drive improvements in software design, fostering functional and technical excellence.Conduct comprehensive integration tests and User Acceptance Testing (UAT) to maintain high quality.Collaborate with central teams to uphold secure coding practices and robust Software Development Life Cycle (SDLC) processes.Champion SDLC best practices, with a focus on automation, CI/CD pipelines, and streamlined deployments.Mentor team members and advocate for code quality through regular code reviews and adherence to development standards.Embrace new technologies, frameworks, and methodologies to enhance productivity.Facilitate efficient support collaboration with relevant IT teams, particularly in Production Support (APS).

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 Senior Software Engineer where you will leverage your expertise to design and implement robust back-end systems utilizing Java and Spring frameworks. You will play a key role in developing and integrating data from diverse sources to enhance and elevate application performance.Your responsibilities will include optimizing application efficiency to ensure seamless user experiences, troubleshooting and debugging across the entire stack, and staying abreast of emerging technologies to propose innovative solutions. You will also engage in collaborative code reviews to maintain high standards of code quality and best practices.Work closely with product managers, designers, and fellow developers to deliver exceptional software solutions in a timely manner. Your ability to document your work will contribute to our knowledge base and continuous improvement efforts.

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.

Join Cross Border Talents as a Senior Software Engineer and be part of an exciting transformation in the banking sector for our client in Lisbon, Portugal.Are you an innovative and passionate Software Engineer eager to make a significant impact? This is your chance! Join our dynamic team and help shape the future of banking in Lisbon, Portugal! In your role as a Senior Software Engineer, you will: Create robust, scalable solutions that propel our projects forward. Engage in close collaboration with product owners, business analysts, quality assurance teams, and fellow engineers. Seamlessly integrate UI components with APIs and databases to ensure a stellar user experience. Contribute to agile ceremonies promoting teamwork and continuous improvement. Partner with technology leads to design maintainable, resilient systems tailored to our project requirements.

Role Overview Renesas Electronics Corporation is looking for a Senior Software Engineer in Lisbon to help build and refine platform solutions used across a range of applications. This role involves close collaboration with colleagues from different disciplines to design, develop, and improve software that supports client requirements and drives system efficiency.

At Arkadium, we believe in the joy of creating fun experiences, and for the past 20 years, we have done just that. As the creators of some of the world’s most-played games, including the iconic Solitaire that has graced countless Windows machines, our games are available on Arkadium.com, iOS, Android, and numerous prominent platforms worldwide.As a proud Evergreen business, our core values of Fierce Drive, Positive Energy, and Living Full Lives guide our operations and decisions.We are a privately held company (ensuring stability and a balanced approach to growth), founder-led (demonstrating passion for our craft), and we consistently earn accolades as a “Best Place to Work” – we are not your average gaming company.Recognized by 'Happiness Works' in 2023, 2024, and 2025 in Portugal, alongside 'Crain's Best Places to Work 2022' and 'Great Place to Work 2022 and 2023' in New York, we take pride in our culture!If you're excited about becoming an Arkadian, we would love to hear from you!OverviewArkadium is on the lookout for an outstanding and seasoned Senior Full-Stack Engineer to join our Core Tech team.Our Core Tech team operates with a backend-first philosophy, developing and refining shared services that power essential functionalities in Arkadium’s games and platforms. This includes authentication, chat, tournaments, friend systems, inventory management, microtransactions, and multiplayer infrastructure (Nakama) among other platform-wide capabilities.What You’ll DoLead the technical direction and delivery of complex, scalable full-stack systems utilized by live games.Design and make architectural decisions for backend and frontend systems, striking a balance between performance, scalability, and long-term maintainability.Develop and enhance backend services and APIs that support real-time, live-operated games.Seamlessly integrate backend systems with web-based frontends and browser games.Empower internal game teams by creating shared services, frameworks, and developer tools.Design, implement, and maintain reliable data models focusing on accuracy, security, and high performance.Identify performance bottlenecks throughout the stack and proactively initiate optimizations.Establish and uphold security standards for authentication, authorization, and data protection.Set engineering quality benchmarks through code reviews, architectural guidance, and mentoring.Create clear technical documentation and decision records to facilitate long-term ownership and knowledge transfer.Stay updated with modern backend, frontend, and infrastructure practices while continuously raising the technical standards of the team.Collaborate closely in an agile environment, contributing to planning, execution, and ongoing improvements.

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.

Join GoCardless as a Software Development Engineer IIAt GoCardless, we are redefining the way businesses manage their payments. As a leading global bank payment provider, we empower over 100,000 businesses — from innovative start-ups to renowned enterprises — to seamlessly collect and send payments using direct debit, real-time payments, and open banking.With an impressive processing volume exceeding US$130bn annually across more than 30 countries, we facilitate both recurring and one-time payments without the hassles of chasing payments or incurring prohibitive fees. Our cutting-edge AI-powered solutions enhance payment success rates while minimizing fraud. We are proud to connect with over 2,500 banks worldwide, enabling our clients to make faster, informed decisions.Headquartered in the UK, with offices in London, Leeds, Australia, France, Ireland, Latvia, Portugal, and the United States, GoCardless is committed to fostering an inclusive and accessible workplace. If you require any support or adjustments during the hiring process, please contact your Talent Partner — we are here to assist you!We understand that you may not meet every single requirement. If you are passionate about this role, we encourage you to apply!Engineering at GoCardlessAs a Software Development Engineer II, you will tackle a variety of technical challenges, from simplifying banking schemes to optimizing dashboard performance. You'll thrive in our engineering culture if:You are eager to promote an exceptional engineering culture both at GoCardless and within the broader tech community.You enjoy collaborating with diverse teams and learning from individuals with different backgrounds.You take pride in your work and its positive impact on real customers.Our engineers actively contribute to the engineering community by engaging in Open Source Software projects (check out our Github) and sharing insights through post-mortems, conferences, and our blog.

Join our dynamic team as a Senior COBOL Developer at Inetum, where you will play a pivotal role in the development, maintenance, and transformation of our core systems. We are looking for a talented individual who possesses deep technical knowledge, extensive experience in complex environments, and the capacity to work independently while collaborating with diverse teams.This role encompasses the full software development lifecycle, from gathering requirements to testing, integration, and providing support during user acceptance testing. You will also take on a mentorship role, guiding junior developers and ensuring compliance with our organization's high quality and security standards.Key Responsibilities:Develop and enhance software solutions utilizing COBOL.Analyze project requirements and convert them into effective, high-quality COBOL applications.Collaborate with Business Analysts and Technical Leads to design and deliver innovative solutions.Participate in various testing phases, including unit testing and system integration testing.Create and maintain comprehensive test documentation; execute test cases effectively.Support the team during User Acceptance Testing (UAT).Strictly adhere to internal standards, processes, and security protocols.Mentor junior team members, providing technical guidance and facilitating knowledge transfer.Engage with internal teams, business units, and external partners as required.

Join Cross Border Talents as a Software Engineer, where you will play a pivotal role in understanding project objectives and phase-specific requirements.Your key responsibilities will include:Grasping the overall project vision and contributing to phase-wise requirements.Executing tasks aligned with specific requirements and ensuring the quality and timeliness of deliverables.Collaborating with team leads and members to devise optimal solutions.Participating in the review of test plans for various phases and integrations.

Join Dashlane as a Junior Backend Software Engineer and embark on a journey to enhance user security and experience. In this role, you will collaborate with seasoned engineers to design and develop backend solutions that power our innovative password management platform.As a key member of our engineering team, you will engage in coding, debugging, and testing applications while contributing to architecture discussions. This is an excellent opportunity for those eager to learn and grow in a supportive environment.