Senior .NET Software Engineer

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.

Lead Senior Application EngineerYour OpportunityJoin Mollie on our mission to revolutionize payment processing and financial management for businesses across Europe. With a clientele exceeding 250,000 businesses, we strive to eliminate the financial hurdles that stifle innovation. We believe that managing payments, driving revenue, and accessing capital should be a streamlined experience for our merchants.As a Senior Application Engineer, you will lead the charge in developing cutting-edge financial products that will redefine how businesses handle their finances. As Mollie expands into new markets and manages a growing transaction volume, your contributions will be pivotal in launching innovative products that enhance our service offerings. This is your chance to turn your ideas into reality and shape impactful projects.Your ImpactIn this role, you will be an integral part of the Insights team, which is dedicated to crafting a pioneering customer-facing data product. We are transforming our existing merchant dashboard into a sophisticated, AI-powered analytics suite designed to empower our customers with data-driven insights.Your work will be visible to senior leadership and our clients, with a direct influence on Mollie's revenue by supporting product upsells and attracting premium merchants. This role offers a high degree of ownership and entrepreneurial spirit, allowing you to take concepts from ideation to production swiftly and help develop a crucial data product from the ground up.Our Lisbon Hub:Located in the vibrant heart of Lisbon at Marques de Pombal, our team comprises over 50 engineers from eight diverse nationalities, all working towards Mollie’s goal of providing exceptional Merchant Experiences through our web and mobile applications while scaling our Payment Processing Platform. This enables the launch of innovative payment and financial products.We take pride in our inclusive, English-speaking culture that fosters collaboration in solving financial challenges for our customers.What You'll Be Doing:Designing & Building Scalable Systems: Collaborate with us to design and develop systems capable of handling high transaction volumes.API Development: Develop and maintain robust APIs that facilitate seamless integration for our clients.

Join ValGenesis, a pioneering provider of digital validation solutions for the life sciences sector. Our innovative suite of products empowers 30 of the top 50 global pharmaceutical and biotech enterprises to achieve seamless digital transformation, ensuring total compliance and operational excellence throughout their product lifecycle. Discover the unique culture at ValGenesis, the gold standard for paperless validation in Life Sciences: Learn MoreAs an Application Engineer - Tier 1 at ValGenesis, you will hone your technical support skills while engaging in software troubleshooting and delivering exceptional customer service. In this role, you will tackle moderately complex software challenges, mentor junior application engineers, and collaborate with internal teams for system enhancements. This position is ideal for individuals seeking to deepen their problem-solving expertise and contribute to impactful technical projects.We offer a hybrid work schedule of 4 days per week, providing flexibility while fostering in-person collaboration at our Lisbon office. We believe that face-to-face interactions stimulate creativity and strengthen our community, which is vital to our continued success.

We are seeking a talented and motivated Windows System Engineer N2 to join our dynamic team at Inetum. In this role, you will be responsible for managing, maintaining, and optimizing Windows server environments, ensuring high levels of performance and security.Your expertise will be integral to our infrastructure projects, supporting our clients in achieving their IT objectives.

About Mollie Mollie’s mission is to make payments and money management simpler for businesses across Europe. Founded nearly 20 years ago, Mollie began by offering a straightforward, affordable alternative to traditional banking. Today, the company supports over 250,000 businesses with a comprehensive platform for payment processing and financial management. The team includes 850 professionals working in areas like product development, finance, customer support, commerce, and engineering, with offices from Lisbon to London. Role Overview: Application Engineer I (Lisbon) This role focuses on building and improving systems that drive Mollie’s products and services. Application Engineers at Mollie work closely with data, infrastructure, and product teams to create solutions that help customers manage payments and financial operations more efficiently. Main Responsibilities Design scalable systems: Architect and implement large-scale, data-driven systems for real-time monitoring, predictive analytics, fraud detection, and payment optimization. ML and AI infrastructure: Develop and maintain infrastructure to deploy and operate machine learning and AI models, supporting tasks like fraud detection and smart routing with high reliability. Product development: Build new features across Mollie’s products, such as payment method benchmarking, dynamic 3D Secure, and buyer intelligence, using data to create value. API and service design: Create and manage APIs and reusable services that help customers and internal teams make decisions and act quickly. Technical ownership: Lead technical projects from concept to delivery, upholding strong engineering standards throughout. Problem solving: Address complex challenges like anomaly detection and transforming transactional data into actionable insights, making financial processes smoother. What We’re Looking For Proactive mindset: Focus on delivering ongoing value to customers, balancing speed with quality. At least 2 years of experience developing large-scale applications, ideally with PHP or Java. Familiarity with Go, C#, or Python is a plus. Willingness to work in PHP or Java is important. Solid understanding of system design and architecture.

Role Overview Inetum2 is hiring a Senior Application Production Engineer focused on Business Intelligence and Data Management in Lisbon. This position plays a key part in keeping our applications running smoothly and reliably. What You Will Do Monitor and maintain the performance of BI and data applications. Work closely with teams across the company to support and improve data-driven processes. Troubleshoot issues to minimize downtime and ensure service quality. Contribute to ongoing improvements that strengthen our decision-making with better data.

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 Altersolutions as an Application Support Engineer / Application Manager in the vibrant city of Lisbon! We are seeking a passionate individual who thrives in fast-paced environments and is eager to make a significant impact on our operations. As part of our team, you will be responsible for providing exceptional support to our applications, ensuring they run smoothly and efficiently.

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.

We are seeking a talented Windows Systems Administrator to join our dynamic team at Inetum in Lisbon. As a key member of our IT department, you will manage and support Windows-based systems, ensuring optimal performance and security.

We are seeking a talented and driven Windows Expert to join our dynamic team at inetum2. In this role, you will leverage your expertise in Windows systems to enhance our infrastructure and support our clients' IT needs effectively. The ideal candidate will be passionate about technology and have a strong problem-solving mindset.

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.

Join inetum2 as a Senior Application Support Specialist, where you will play a crucial role in ensuring the seamless operation of our applications and services. You will be responsible for diagnosing and resolving application issues, providing technical support, and working closely with our development team to enhance application performance.

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 inetum2 as a Windows System Administrator in Lisbon! In this critical role, you will be responsible for managing and maintaining Windows server environments, ensuring optimal performance and security. Collaborate with cross-functional teams to implement solutions that drive efficiency and reliability.

Join inetum2 as an Application Support Specialist where you will play a pivotal role in ensuring the smooth operation of our software applications. You will be responsible for troubleshooting issues, providing user support, and collaborating with development teams to improve application performance. Your expertise will help enhance user satisfaction and drive operational efficiency.

Join our dynamic team at inetum2 as a Senior Application Support Specialist. In this pivotal role, you will be responsible for ensuring optimal performance and user satisfaction of our applications. You will leverage your expertise to troubleshoot complex issues, provide user support, and collaborate with cross-functional teams to enhance application functionality.The ideal candidate will possess a deep understanding of application support processes, with a proactive approach to problem-solving and a keen eye for detail. You will play a crucial role in maintaining the integrity and reliability of our software solutions.