Backend Software Engineer

About Air AppsAt Air Apps, we embrace a vision of expansive thinking and agile execution. Founded by a family in 2018, our mission is to revolutionize planning with the world's first AI-powered Personal & Entrepreneurial Resource Planner (PRP). With our roots in Lisbon, Portugal, and additional offices in San Francisco, we have successfully maintained self-f…

About DashlaneDashlane is dedicated to providing essential credential security that empowers every business and employee to succeed. Trusted by millions of consumers and over 25,000 businesses globally—including prominent brands like Michelin, Air France, and Forrester—Dashlane is known for its innovative solutions, patented zero-knowledge security, and exceptional user experience. Established in Paris and with offices in New York and Lisbon, Dashlane is proud to have a diverse team of over 300 Dashlaners worldwide.We seek individuals who leverage AI tools to enhance efficiency, creativity, and impact in their roles. At Dashlane, we prioritize innovation and continuous learning, uphold excellence in all our endeavors, and foster a cohesive team environment. Discover more about life at Dashlane, including how we work, how we hire, and the benefits of being a Dashlaner.About the RoleJoin one of our talented product development teams focused on feature development, primarily aimed at driving the company’s business growth through projects like enhancing our pricing strategy, improving trial and payment experiences, and refining onboarding processes.

Role Overview Renesa Electronics is hiring a Software Systems Engineer in Lisbon. This role focuses on designing, developing, and implementing software systems that support the company’s electronics products. What You Will Do Create and improve software systems for electronics solutions Work with colleagues from different departments to integrate software with hardware products Support the performance and reliability of existing and new products Location This position is based in Lisbon.

Join our client, a dynamic and rapidly expanding venture studio bridging Lisbon and New York, as they collaborate with top-tier talent to create impactful companies in e-commerce, SaaS, and cutting-edge digital initiatives.We are on the hunt for a Frontend Developer who will be instrumental in crafting exceptional websites, applications, and software tools across our diverse portfolio.The RoleIn this position, you will take charge of the front-end experience on various projects, including Shopify storefronts, landing pages, venture websites, and SaaS product user interfaces. Your mission will be to deliver polished, high-speed, and conversion-optimized experiences that shine on any device.This role is designed for a high-potential developer who is eager to grow rapidly. You will start with front-end responsibilities and, based on your performance, progress to managing projects end-to-end. We expect high standards, quick learning, and dependable execution from the outset.Success Metrics in the First 60–90 Days: Take ownership of a Shopify storefront and implement weekly enhancements (UX, performance, conversion) Create landing pages for advertising campaigns and collaborate with the design team to enhance venture websites Elevate Core Web Vitals and develop reusable, clean components Ensure tracking accuracy (GA4/GTM/pixels) and facilitate structured A/B testing You'll work closely with founders and a small, high-performing team. Expect autonomy, ownership, and accountability from day one.

At Thought Machine, we are on a transformative mission to liberate banks from the constraints of outdated technology. Our innovative core and payments technology operates natively in the cloud, laying the groundwork for modern banking solutions. Our ambitious vision demands exceptional talent collaborating to create groundbreaking technology.Having expanded rapidly in recent years, our team now comprises over 550 skilled professionals across our offices in London, New York, Singapore, Sydney, and our newly launched Engineering Hub in Lisbon. With over £500 million in funding, our esteemed investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, and Standard Chartered Ventures.We pride ourselves on nurturing a culture that fosters excellence and enjoyment, with frequent accolades for our vibrant workplace environment. Recognized by Sifted magazine for having one of the highest Glassdoor ratings among UK fintech companies, we also offer one of the industry's most generous employee share packages. Our innovative spirit has earned us a spot on Global Finance Magazine's list of the world's most innovative fintechs and recognition from the Financial Times as one of Europe's fastest-growing companies for two consecutive years.As we continue to scale, our Software Engineering team plays a crucial role in our success. We strive for engineering excellence, embracing best practices and modern technologies to drive our mission forward.As a Senior Software Engineer, you will tackle complex challenges across the technology stack, developing high-quality, scalable, secure, and performant code that enhances user experience. You will take full ownership of requirements, translating them into engineering designs, task breakdowns, and implementations, while creating both backend services and engaging frontend experiences.Our diverse clientele ranges from major global financial institutions to regional banks, requiring our systems to be adaptable and customizable for varying user needs. As a bridge between back-end and front-end development, you will craft seamless experiences that captivate our clients.

Join Datadog, a leading monitoring and analytics platform for developers, IT operations teams, and business users. As a Software Engineer at the early career level, you will be a vital part of our team, contributing to the development of innovative solutions that enhance our service offerings.Your role will involve collaborating with experienced engineers, learning best practices, and applying your skills to real-world projects. We are looking for motivated individuals who are eager to learn and grow in a fast-paced environment.

Are you an experienced KDB+ Developer looking for your next challenge? At Altersolutions, we are seeking a Senior KDB+ Developer to join our innovative team in Lisbon. You will play a key role in designing and implementing high-performance data solutions that drive our business forward.In this role, you will leverage your expertise in KDB+ to develop robust applications, optimize database performance, and collaborate with cross-functional teams to deliver exceptional results.

Join our dynamic team at inetum2 as a Java FullStack Developer. In this role, you will be responsible for developing and maintaining robust web applications using Java technologies. You’ll work collaboratively with cross-functional teams to deliver high-quality software solutions that meet client needs.

airapps seeks a Project Coordinator based in Lisbon to help organize and guide projects that drive company growth and new initiatives. This position involves close collaboration with various teams, steady oversight of project progress, and a focus on meeting key deadlines. Role overview Coordinate activities and communication between multiple teams Track project timelines and deliverables to maintain schedules Spot and address issues that may slow down progress Assist with process improvements to boost efficiency Requirements Keen attention to detail Proactive mindset for solving problems Genuine interest in project management Comfort working with colleagues from diverse backgrounds This role is located in Lisbon.

Pleo is building tools that simplify financial management for businesses. With more than 40,000 customers and a team representing over 100 nationalities, the company focuses on practical solutions and steady improvement. The culture values going beyond expectations, shaping both its products and the way teams work together. Role overview The Sales Development Representative will be part of Pleo’s Sales Hub in Lisbon. This role centers on supporting the DACH region, especially Germany, and plays a key part in expanding the reach of Pleo’s SaaS spend management platform. What you will do Identify and connect with potential customers in the DACH region Learn about customer needs and explain how Pleo’s solutions can help Help grow Pleo’s customer base and presence in the spend management market Work closely with colleagues in a diverse and supportive office setting Location and relocation This position is based in Lisbon. Candidates already living in Portugal are encouraged to apply. For those moving from abroad, Pleo provides a relocation package to help with the transition.

At Thought Machine, we are on a groundbreaking mission to eliminate outdated technology from the banking sector. Our innovative core and payments technology is designed to operate seamlessly in the cloud, laying the groundwork for modern banking.Having expanded rapidly over the past few years, our team now comprises over 550 talented individuals across offices in London, New York, Singapore, Sydney, and our newly launched Engineering Hub in Lisbon. With more than £500 million raised in funding, we boast a diverse group of investors including Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, and Standard Chartered Ventures.We cultivate a dynamic workplace culture that encourages excellence and enjoyment, often recognized for our outstanding employee experience. Sifted magazine has honored us with one of the highest Glassdoor ratings among UK fintech companies, and we have been acknowledged by Global Finance Magazine as one of the world's most innovative fintechs. Furthermore, the Financial Times recognized us as one of Europe’s fastest-growing companies for two consecutive years, and we were named a UK Best Employer for 2026.As an Engineering Manager, you will play a crucial role in driving our software engineering initiatives at Thought Machine. Our engineers tackle unprecedented engineering challenges across the technology stack, producing high-quality code that is scalable, secure, and user-friendly. You will oversee the complete lifecycle of projects, from engineering design to implementation, ensuring that both backend services and frontend experiences meet our clients' diverse needs.We serve a wide range of clients, from the largest financial institutions to regional banks. Your role will involve crafting customizable user experiences that cater to various personas, bridging the gap between back-end and front-end systems to deliver exceptional solutions.This is a full-time, permanent position based in our Lisbon office, where collaboration and innovation are at the forefront of our engineering efforts.

OVERVIEWBecome a key player in the dynamic TechOps BI team at TransPerfect as a Business Intelligence Developer. In this pivotal role, you will be instrumental in the design, development, and maintenance of cutting-edge business intelligence architectures and solutions. You will engage with a suite of TechOps technology products, integrating real-time data from Microsoft SQL Server Reporting Services and leveraging Snowflake cloud data warehouse environments. Your collaboration with cross-functional teams will ensure that insightful analytics and reporting are delivered using leading industry tools such as KNIME and Tableau, empowering business stakeholders with timely and reliable data for strategic decision-making.KEY RESPONSIBILITIESOversee and enhance ETL processes using Microsoft SQL Server, Snowflake, and KNIME to meet current business, technical, and reporting needs. Maintain data pipelines and workflows for real-time updates and accurate replication across various databases and reporting environments, including robust error reporting mechanisms. (25%)Design and implement scalable analytical systems for end users, creating interactive dashboards and reports using Tableau and KNIME. Automate production reports for daily, weekly, and monthly statistics, and develop flexible and reliable relational database models within SQL Server and Snowflake. (25%)Engage with both internal and external stakeholders to comprehend underlying business needs, utilizing data mining techniques to aggregate and unify data from diverse sources. Collaborate with cross-functional teams to architect and deploy data storage and reporting solutions, including the creation of new database schemas and automation of key analytics delivery. (10%)Work closely with stakeholders to document data requirements, construct unified data sources, and develop interactive dashboards in Tableau that reflect vital metrics. Administer Tableau Server environments, managing user access, permissions, and dashboard maintenance while aligning dashboards with evolving business needs. (10%)Identify and implement opportunities for automation to streamline reporting workflows across the organization, enhancing data-driven decision-making. Write SQL queries for relational and multidimensional databases (SQL Server, Snowflake) to meet complex business requirements. (10%)Coordinate with teams across the company to ensure seamless data integration and synchronization between systems, employing Snowflake and KNIME. Provide technical support for reporting tools and generate ad-hoc reports via SQL queries, promptly implementing dashboard and application updates to align with business and user requirements. (10%)

Join altersolutions as an RPA Analyst/Developer, where you will harness the power of automation to drive efficiency and innovation in business processes. As part of our dynamic team in Lisbon, you will work on exciting projects that leverage cutting-edge technologies to streamline operations and enhance productivity.

Join our innovative team at inetum2 as a Full-Stack Developer. In this dynamic role, you will leverage your expertise in React and .NET to develop robust web applications that enhance user experience and drive business success. Collaborate with cross-functional teams to design, implement, and maintain high-quality software solutions.

Join inetum2 as a Senior Outsystems Developer and Tech Lead, where you will play a pivotal role in shaping innovative solutions and leading a dynamic team of developers. As an integral part of our Lisbon office, you will leverage your expertise in Outsystems to design and implement high-quality applications that meet our clients' needs.

About Air AppsAt Air Apps, we are driven by a vision to think larger and move quicker. As a family-founded organization, our mission is to revolutionize personal and entrepreneurial planning through our innovative AI-powered Personal & Entrepreneurial Resource Planner (PRP). Established in Lisbon, Portugal in 2018, we proudly maintain self-funding and have achieved over 100 million downloads globally.Our commitment to long-term goals inspires us to continuously challenge norms, pushing the limits of AI solutions that genuinely impact lives. Here, you will be a creative powerhouse, contributing to products that empower individuals worldwide.Join us in our quest to redefine resource management and make a meaningful difference in people's lives.The RoleAs a Frontend Web Developer at Air Apps, you will play a crucial role in designing high-performance, visually appealing web experiences. Collaborating closely with designers, product managers, and backend developers, you will build and enhance user interfaces leveraging cutting-edge web technologies. Your contributions will significantly affect millions of users, ensuring seamless interactions with our AI-driven platform.

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.

About FreshaFresha is the premier marketplace platform for beauty and wellness, trusted by millions of consumers and businesses globally. Our platform is utilized by over 130,000 businesses and more than 450,000 professionals, successfully processing over 1 billion appointments to date.With our headquarters located in London, UK, we operate 15 global offices across North America, EMEA, and APAC.Fresha empowers consumers to discover, book, and pay for beauty and wellness appointments with local businesses through our intuitive marketplace. Simultaneously, beauty and wellness businesses and professionals leverage our all-in-one platform to streamline their operations using advanced business software and financial technology solutions.Our ecosystem provides merchants with everything necessary to run their businesses efficiently, including appointment bookings, point-of-sale systems, customer records management, marketing automation, loyalty programs, inventory for beauty products, and team management.Moreover, our consumer marketplace unlocks revenue potential for partner businesses by harnessing the power of online bookings and automated marketing through mobile applications and sophisticated integrations with major tech platforms like Instagram, Facebook, and Google.

Atlean World is a prominent international HR consultancy dedicated to fostering multicultural environments, recognizing them as the new norm. Our expertise in multilingual markets ensures a seamless and enjoyable recruitment journey for candidates.Your Next Job Awaits Without Boundaries! As a Sales Development Representative for Reddit, you will be instrumental in enhancing our client's visibility and engagement within one of the world's largest online communities.Why This Role is Perfect for You:Collaborate with advertising agencies managing diverse client accounts within the Agency LOB.As a Sales Development Representative, Client Partner, or Account Manager, your responsibilities will include prospecting, overcoming stakeholder objections, and nurturing long-term relationships through strategic business planning.Your aim is to empower agencies with essential tools, training, and support, while simultaneously delivering value to individual brands.

Role Overview ComplyAdvantage is looking for a Junior Frontend Engineer to join the team in Lisbon, Portugal. This position supports the development of SaaS-based anti-money laundering solutions that help organizations fight financial crime. The role sits within the Frontend Platform team, which builds and maintains the core features, UI components, and engineering tools used across ComplyAdvantage to deliver customer-facing products. What You Will Do Help develop and maintain UI components that support compliance officers in managing customer information. Work alongside Backend Engineers to integrate features smoothly. Collaborate with other frontend engineers to improve build, test, and deployment workflows. Join design discussions and code reviews to learn best practices for building maintainable, high-performance applications. Participate in agile ceremonies, such as stand-ups, refinements, and retrospectives, and contribute to team decisions. Use AI-assisted development tools (like Claude Code or Gemini Code Assist) under guidance to boost productivity and code quality. What We Look For Experience or completed projects using TypeScript and React. Basic understanding of frontend testing, with interest in learning frameworks such as Vitest or Cypress. Curiosity and willingness to learn, share knowledge, and adapt to different project needs. Problem-solving skills and attention to detail when debugging or styling interfaces. Comfort participating in team discussions and contributing new ideas. Bonus Skills Familiarity with React Query for data fetching. Experience with build tools like Vite or a basic grasp of CI/CD in GitLab. Some exposure to Figma for translating designs into code. Interest in observability tools such as Grafana or Sentry for monitoring application health. Benefits Equity options to share in the company’s growth. Unlimited Time Off policy to support work-life balance and well-being. Opportunities for professional growth and development.