Senior Backend Software Engineer

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 includi…

Join Dashlane as a Backend Software Engineer and be part of a dynamic team dedicated to enhancing digital security for our users worldwide. In this role, you will design, develop, and maintain scalable backend systems that support our innovative applications. Your contributions will directly impact the user experience and the overall success of our products.

Internship Overview evolution is looking for a Backend Engineering Intern to join the team in Lisbon. This position offers hands-on experience with real projects and the chance to work closely with seasoned engineers. What to Expect Collaborate with the engineering team on active backend projects Gain practical skills and learn from experienced colleagues Contribute ideas and support ongoing development work This internship is designed for those eager to grow technical abilities in a supportive, team-driven setting.

Are you a skilled Python Developer with a passion for automation and Power Apps? Talan is seeking a talented individual to join our Academy team. In this role, you will leverage your expertise to design and implement innovative solutions that streamline processes and enhance productivity. Collaborate with a dynamic team of professionals dedicated to driving success through technology.

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.

OverviewJoin an innovative venture studio with a presence in Lisbon and New York, dedicated to harnessing exceptional European talent to create impactful companies. We are on the lookout for a Full-Stack Developer (Backend Focus) who will spearhead the development of an AI-driven content creation tool tailored for real estate professionals.If you're eager to contribute to a dynamic, agile team where you can take full ownership of the codebase and develop a product with evident market demand, this role is perfect for you.As the first dedicated developer, you will be instrumental in propelling our client’s AI venture into its next growth phase, managing the backend, databases, and crafting a user-friendly interface for real estate agents.You will transition from the initial core developer and play a pivotal role in shaping the product from inception to completion, with support from our venture studio’s team and resources.ResponsibilitiesCore Product DevelopmentTake full ownership of the product’s codebase, encompassing backend, database, and front-end interface.Rapidly deploy new features while ensuring scalability and maintainability in architecture.Backend & IntegrationsDevelop using PHP (8.3), Symfony (6.4), and MySQL.Guarantee seamless API integrations and dependable data flows.Interface Design & User ExperienceDesign and enhance the interface utilized by real estate agents.Convert customer feedback into clear, actionable features.Technical LeadershipAssume responsibilities from the previous core developer.Make pivotal decisions regarding architecture, tooling, and DevOps.Cross-Functional CollaborationCollaborate closely with the venture team and leadership.Adopt a product-oriented mindset, balancing speed, stability, and user experience.Requirements3–5 years of professional development experience (mid-level).Robust expertise in backend engineering while being proficient across the full stack.Enthusiasm for building within a small, entrepreneurial team.Interest in creating clean, usable interfaces (design experience is a plus).Curiosity, humility, and a desire to evolve into a technical leadership role.Fluent in English communication.Based in Lisbon, Portugal (hybrid: 4 days on-site).Preferred SkillsExperience with cloud/DevOps (AWS, Docker, CI/CD).Familiarity with AI/LLM integrations.Background in startups or venture-backed environments.BenefitsEquity stake in the venture along with a competitive salary.Tax support (accountant fees, tax returns).

airapps is looking for a DevOps Engineer with a focus on backend systems to join the team in Lisbon. This position centers on building and maintaining backend infrastructure that supports the company’s applications and services. Role overview The DevOps Engineer - Backend Specialist will take charge of implementing backend solutions that scale and remain reliable. Collaboration with development teams is a key part of the job, especially when refining deployment workflows and improving infrastructure. What you will do Develop and maintain backend systems to support business needs Work alongside developers to streamline deployment processes Contribute to infrastructure enhancements for better reliability and scalability Help ensure smooth, uninterrupted operation of applications and services Location This role is based in Lisbon.

Join Dashlane as a Backend Software Engineer Intern and take the first step in your career by contributing to our innovative projects. In this role, you will collaborate with our talented engineering team to develop robust backend solutions that enhance user experience and ensure data security.

Join our dynamic team at Renesas Electronics as a Senior Backend Software Engineer. In this critical role, you will leverage your expertise to develop and enhance cutting-edge backend solutions that power our innovative products. You will collaborate with cross-functional teams to design scalable systems, ensuring high performance and reliability.

About Us At Hitachi Digital Services, we are a global leader in digital solutions and transformation, leveraging our extensive engineering expertise and industry insights to modernize, optimize, and manage mission-critical platforms at scale. Join Our Team Our Center for Artificial Intelligence (CAAI) serves as the engineering and architecture hub for AI at HDS. This practitioner-led center is dedicated to realizing Hitachi’s global AI ambitions through repeatable and governed delivery. Our team is responsible for developing reference architectures, reusable components, and evaluation methodologies that can be deployed across various client environments, including cloud and hybrid solutions. Your Role As an AI Engineer, you will design, build, and operate AI capabilities that can be seamlessly integrated into real-world applications. This includes workflows powered by large language models (LLMs), retrieval-augmented generation (RAG), and agent-based systems, all maintained to production standards. Key Responsibilities Develop end-to-end AI solutions, encompassing data preparation, model integration, evaluation, deployment, and operational monitoring. Translate business and delivery requirements into practical AI designs, collaborating closely with architects, platform engineers, and client stakeholders. Create reusable assets, such as reference implementations, patterns, templates, and internal libraries. Adhere to production best practices, including rigorous testing, version control, CI/CD processes, and performance optimization. Deliver high-quality AI components independently, mentor junior team members, and enhance CAAI’s reusable assets. Manage small to mid-sized AI workstreams from conception through to release and operational transition. Engineer RAG and agent-based features with comprehensive evaluation and failure mitigation strategies.

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.

Join Our Innovative Team:TransPerfect, a global leader in translation technology with a dynamic startup culture, is on the lookout for a talented Backend Developer to enhance our cutting-edge Artificial Intelligence (AI) division. Here, you will play a pivotal role in advancing AI solutions within a worldwide organization. Since our inception over a decade ago, our AI team has been a cornerstone of innovation, focusing on machine translation, generative AI, natural language processing, and automation.We are seeking a seasoned backend developer who is eager to challenge the limits of technology and make a significant impact in the AI landscape. You will collaborate with a diverse and global team spanning the USA, Spain, Portugal, and India. If your passion lies in building robust and scalable AI solutions, this position is perfect for you.Role Overview:As a Backend Developer, your mission will be to tackle the

Join Our Innovative Team at Air AppsAt Air Apps, we think big and move fast. Founded by a family with a vision, our mission is to revolutionize personal and entrepreneurial planning through our cutting-edge AI-powered Personal & Entrepreneurial Resource Planner (PRP). Since our inception in Lisbon, Portugal in 2018, we’ve garnered over 100 million downloads globally, proving our self-funded model works.We are driven by a long-term vision that compels us to continuously challenge the status quo. Our commitment to developing AI-driven solutions that genuinely enhance lives means you’ll play a crucial role in shaping products that empower users worldwide.Join us as we embark on a journey to transform resource management and make a positive impact on lives everywhere.Your RoleAs our AI Product Manager, you will spearhead the development of AI-powered applications that elevate user experiences. Collaborating closely with engineers, designers, and data scientists, you will oversee the product development lifecycle for AI features, ensuring they meet user requirements and align with our business goals.This posting is a preliminary step in enhancing our talent pool as we prepare to launch the official job listing. We will reach out to you as soon as the official posting is live.Key ResponsibilitiesCraft and lead the AI product roadmap, ensuring it aligns with business objectives and user expectations.Collaborate with cross-functional teams, including engineering, design, and marketing, to bring AI-powered features to life.Conduct market research and analyze user feedback to discover AI integration opportunities.Partner with data scientists and machine learning engineers to enhance AI models for optimal accuracy, performance, and user impact.Establish key performance indicators (KPIs) to track success and iterate based on data-driven insights.Remain current with AI trends, emerging technologies, and best practices to keep our products competitive.Ensure the ethical use of AI and compliance with data privacy laws.

About Us Welcome to Hitachi Digital Services, a global leader in digital solutions and transformation. We envision a world filled with potential, driven by innovation and technology. Our mission is to empower positive change by future-proofing urban environments, conserving natural resources, and enhancing lives. Each day, we harness our extensive expertise to transition our clients from the present to a better future. At Hitachi, we value diversity and recognize that your unique life experiences, character, and passion are crucial to our collective success. Join Our Team As part of our global delivery network, Hitachi Digital Services Vietnam collaborates with teams worldwide, including in India, Portugal, and the US. Our workforce is engaged in various projects, from cloud migration to digital modernization. We pride ourselves on our operational excellence and agile delivery as we undertake significant transformation projects for our clients. Your Role In this position, you will design, develop, and manage AI capabilities that are seamlessly integrated into practical applications. This includes LLM-enabled workflows, RAG, and agent-based systems within enterprise platforms, ensuring they meet production standards.

About Indicium AI Indicium AI stands at the forefront of AI-driven solutions, empowering top global enterprises to harness artificial intelligence efficiently and at scale. As a prominent AI-native consultancy, we specialize in delivering transformative AI strategies across various sectors, including Financial Services, Energy & Utilities, Healthcare & Life Sciences, Retail & CPG, and Manufacturing. Our expertise ranges from strategic planning to implementation, ensuring we unlock substantial value from AI with unparalleled clarity and speed. With a dedicated team of over 600 AI specialists serving more than 50 enterprise clients from five global offices, we collaborate closely with industry leaders such as Anthropic, Databricks, AWS, OpenAI, and Microsoft to drive modern AI solutions with tangible impact. ABOUT THE ROLE As a Data Engineer at Indicium AI, you will play a pivotal role in managing essential workstreams during client engagements. You will design and implement robust data solutions in production settings, navigate complex data pipelines with minimal supervision, and contribute to the automation of our infrastructure. Additionally, you will provide technical mentorship to junior team members, directly influencing the data platforms of organizations spanning financial services, retail, energy, and more. KEY RESPONSIBILITIES Pipeline Design & Development Design, develop, and maintain high-performance ELT pipelines, applying best practices in data engineering. Build and oversee data loading processes for both relational and non-relational distributed storage systems. Aggregate and transform large datasets utilizing distributed processing technologies such as Spark, Kafka, Presto, or similar. Infrastructure & Automation Provision and sustain data infrastructure using Infrastructure as Code (IaC) tools, primarily Terraform. Automate the lifecycle management of infrastructure to ensure consistent adherence to scalability, reliability, and security standards. Reliability & Governance Manage SLA monitoring for data pipelines, proactively identifying and resolving issues in both cloud and on-premises environments. Implement data access policies and quality standards in accordance with client governance requirements. Collaboration & Influence Collaborate with analysts, architects, and client stakeholders to effectively translate business needs into sound technical solutions. Contribute to technical decision-making processes and promote best practices within the team.

About Indicium AI Indicium AI is a leading global consultancy that empowers enterprises to harness the power of artificial intelligence at scale. Our expertise spans various sectors including Financial Services, Energy & Utilities, Healthcare & Life Sciences, Retail & CPG, and Manufacturing. We excel in translating AI strategies into actionable outcomes, enabling businesses to realize their full potential with unparalleled clarity, speed, and effectiveness. With a team of over 600 AI specialists serving more than 50 enterprise clients from five key global locations, we collaborate closely with renowned partners like Anthropic, Databricks, AWS, OpenAI, and Microsoft to deliver cutting-edge AI solutions that yield measurable impacts. Opportunity We are on the lookout for dynamic individuals with a background in data and a passion for cloud technologies who are eager to develop high-quality software solutions. At Indicium AI, we embrace a consultative approach to problem-solving that takes into account the entire process, helping clients navigate their data journeys successfully. Join our diverse and talented team, where you can both learn from others and share your unique experiences. Responsibilities Act as a pivotal member of a team tasked with implementing comprehensive data solutions, overseeing the technical delivery of modern data systems and AI-driven applications to address large-scale challenges. Engage with clients to guide them toward success, bringing their data strategies to fruition. Pursue technical excellence, consistently striving to deliver optimal solutions to our clients. Participate in internal initiatives such as blogs and technical forums to share knowledge. Take charge of your own development by leveraging the tools and resources available at Indicium AI to acquire new skills. Requirements Pragmatic problem-solving mindset. Exceptional communication skills, capable of effectively collaborating and articulating technical concepts to stakeholders at all levels. Solid understanding of modern data engineering practices including distributed systems, data streaming, and event-based architectures. Strong foundation in software engineering principles such as automation, testing, clean code, and CI/CD. Experience with one or more cloud platforms (AWS, Azure, GCP). Proficiency in software development methodologies.

About UsAt Supermodular AI, we specialize in guiding enterprises through their AI transformation journey. Our belief is that effective strategy comes from execution.While many organizations recognize the immense potential of AI, they often face challenges in translating these ambitions into tangible operational changes. The true obstacles rarely stem from the technology itself but rather from the integration of AI into intricate systems, workflows, and engineering environments that have developed over time. We assert that successful AI transformation cannot be confined to strategic documents; genuine strategy emerges from the construction, deployment, and operation of AI systems within the organization.This is why we collaborate directly with enterprise IT and software teams, designing and implementing AI systems in real-world environments. Our mission includes empowering engineering teams to adopt innovative AI-native development practices, frameworks, and technical assets that revolutionize software development and operation. Additionally, we create customized AI systems that facilitate challenging modernization or harmonization initiatives where traditional methodologies have faltered.Our team boasts a proven track record of developing impactful AI systems and scaling engineering teams within complex enterprises. If you thrive on tackling challenging enterprise problems and transforming ambitious concepts into operational systems, you will find your place at Supermodular AI.Your RoleAs a Senior Deployment Strategist at Supermodular AI, you will spearhead the evolution of AI transformation within large enterprise organizations.You will engage directly with enterprise leaders, engineers, and operators to gain insights into their existing systems and workflows, pinpointing areas where AI can deliver significant value and shaping initiatives that drive organizational advancement.Collaborating closely with an AI Product Manager, you will form a dynamic leadership duo for each initiative, jointly defining critical problems to solve and desired outcomes.You will be responsible for the technical design of AI solutions and lead their execution, partnering with Forward Deployed Software Engineers to ensure the reliability of the systems we create within real enterprise settings.This position is ideal for someone adept at navigating ambiguous environments, aligning AI capabilities with operational realities, and leading complex transformation efforts within large organizations.

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-funding while achieving over 100 million downloads globally.Our commitment to long-term innovation drives us to continually challenge conventional wisdom, expanding the frontiers of AI-driven solutions that genuinely transform lives. Here, you will play a pivotal role in crafting products that empower individuals worldwide.Join us on our mission to redefine resource management and make a lasting impact.The RoleAs a Backend Software Engineer, you will take charge of designing, developing, and maintaining the server-side components of our applications. You will work collaboratively with product managers, frontend developers, and other cross-functional teams to deliver robust and scalable backend services that enable essential features and foster rapid growth.Please be aware that this posting is intended to expand our talent pool while we prepare to officially launch the job. We will reach out to you as soon as it becomes available.ResponsibilitiesAPI & Service Architecture - Design and implement RESTful or GraphQL APIs, microservices, and business logic utilizing Node.js and TypeScript.Database Design & Integration - Model and manage data queries using Supabase and PostgreSQL, including functions, row-level security, and real-time features.Cloud Infrastructure - Deploy and oversee services on Google Cloud Platform (GCP), particularly with Cloud Run, Cloud Functions, IAM, and Pub/Sub.Code Quality & Testing - Create clean, testable code utilizing unit, integration, and end-to-end testing frameworks (e.g., Jest). Participate in code reviews and uphold quality assurance practices.Security & Reliability - Develop secure-by-default solutions for authentication, authorization, and data protection, adhering to Clean Code and Clean Architecture principles.Monitoring & Operations - Establish logging, monitoring, and operational practices to ensure system reliability.

Renesa Electronics is seeking a Senior QA Engineer in Lisbon to help uphold quality across both backend and full-stack systems. The role centers on supporting a broad technology stack and ensuring reliable, well-tested products. Key responsibilities Collaborate with cross-functional teams to shape and execute effective test strategies. Create and maintain automated test scripts for backend and full-stack components. Carry out comprehensive testing to support and enhance the product suite. Who will succeed This position fits someone who enjoys tackling complex problems and working with colleagues from different backgrounds. Adaptability and a willingness to take on new challenges are important as the team continues to grow.

Join AirApps as a Backend QA Engineer where you will play a crucial role in ensuring the quality and reliability of our backend systems. You will collaborate with developers to design and implement test plans, identify bugs, and enhance our products' performance. This is an exciting opportunity to contribute to a growing tech company in a vibrant city.