Clicking Apply Now takes you to AutoApply where you can tailor your resume and apply.
Experience Level
Mid to Senior
Qualifications
Strong proficiency in Kotlin and experience with backend development frameworks. Solid understanding of microservices architecture and API design. Experience with cloud technologies and deployment strategies. Ability to write clean, maintainable, and efficient code. Excellent problem-solving skills and a passion for technology. Strong communication skills and ability to work in a collaborative environment.
About the job
Join Delivery Hero as a Senior Backend Engineer specializing in Kotlin to drive innovation in the Quick Commerce sector. In this role, you will design and develop scalable backend systems that enhance our delivery capabilities. You will collaborate with cross-functional teams to deliver high-quality software solutions while ensuring optimal performance and reliability.
We are looking for someone who is passionate about technology, thrives in a fast-paced environment, and is eager to take on new challenges. Your contributions will directly impact our mission to provide exceptional service to our customers.
About Delivery Hero SE
Delivery Hero SE is a leading global online food ordering and delivery service. With a commitment to innovation and customer satisfaction, we operate in over 40 countries and connect millions of customers with their favorite restaurants. Our fast-paced environment offers opportunities for personal and professional growth, making us an exciting place to work.
At Datavant, we are revolutionizing healthcare data collaboration. Our mission is to ensure that health data is secure, accessible, and actionable for organizations throughout the healthcare landscape, including providers, health plans, researchers, and life sciences companies. From assisting single patients with their medical records to spearheading the AI …
airapps is hiring a Backend Engineer in Barcelona to help build and improve its applications. This position centers on developing backend systems that support new features and maintain reliability. What you will do Work closely with team members to design and implement backend solutions Contribute to the ongoing development and stability of airapps products Address technical challenges as they arise Who we’re looking for Experience building and maintaining backend systems Comfort working collaboratively in a team setting Motivated to solve problems and support product innovation This role is based in Barcelona and offers the chance to work alongside a group of dedicated engineers focused on building quality applications.
At Datavant, we are on a mission to revolutionize healthcare through data collaboration. Our innovative platform ensures that health data is secure, accessible, and actionable, enabling organizations from healthcare providers to life sciences companies to harness critical insights. As we build the future of health data connectivity, we focus on fulfilling individual patient requests and empowering the AI-driven transformation in healthcare.Join Us in Shaping the Future at the Datavant Life Sciences Tech Hub in Barcelona!We are excited to announce the expansion of our global footprint with the launch of our Life Sciences Tech Hub in Barcelona. We are looking for talented Data Engineers who are passionate about product development and making a real impact in healthcare technology.As a Data Engineer at Datavant, you will play a pivotal role in designing and building systems that ensure secure, privacy-preserving access to high-quality healthcare data. Your contributions will support pharmaceutical companies, biotech innovators, and research organizations, directly impacting the development of new therapies and the acceleration of clinical trials.We are committed to enabling every healthcare decision to be powered by the right data, at the right time, in the right format. We seek problem-solvers, innovators, and passionate individuals ready to drive transformative change in the healthcare landscape.
ANYbotics is an innovative and rapidly expanding technology company committed to revolutionizing the field of mobile robotics across diverse sectors. We invite you to join our dynamic and talented team of over 200 professionals, working on pioneering robotic technologies.The OpportunityWe are searching for a Senior Backend Engineer to become a vital member of our agile software engineering team. In this role, you will be responsible for architecting and developing the backend for the next generation of robotic applications for our flagship product, ANYmal. Collaborating closely with your teammates and leading robotics engineers, you will design and implement sophisticated software solutions that empower ANYmal to undertake increasingly complex tasks.The APIs developed by your team will lay the groundwork for strategic partnerships with software and cloud technology providers, facilitating seamless integration into our clients' facility management systems and enabling the creation of comprehensive robotic inspection solutions.At ANYbotics, we continually innovate to enhance the performance and capabilities of our robots, helping clients derive valuable insights from their facilities and processes with efficiency and ease. Leverage your technical expertise in web technologies to contribute to making our robots smarter, more reliable, and user-friendly.The Market & Our TechnologyANYbotics is at the forefront of transforming the industrial landscape by integrating robotics into a wide array of groundbreaking applications that were previously unattainable (refer to our case studies in sectors such as Chemicals, Oil & Gas, Railways, Wind Energy, Mining, and Construction). Our clientele consists of major asset operators and service providers in the industrial sector, pioneering the use of robotic technology for inspection and maintenance tasks. Our solutions facilitate autonomous routine inspections and monitoring of extensive industrial facilities, enhancing safety and productivity. We engineer a variety of customized hardware systems, including the complete robotic platform, actuators, sensors, inspection payloads, charging systems, and software, achieving exceptional mobility, autonomy, and inspection capabilities, often powered by AI. Our technology has been validated through long-term pilot projects, and we are now scaling our solutions for commercialization, deploying them directly in operations at client facilities across the globe.About UsANYbotics is a pioneering robotics firm specializing in advanced autonomous systems. Following a successful Series B funding round, we are poised for significant growth...
Join Our Team at CodewayAt Codeway, we create innovative consumer applications that are enjoyed by millions worldwide. Our focus is on harnessing the power of AI technology to enhance creativity, promote wellness, facilitate learning, and boost productivity. We take pride in delivering exceptional user experiences characterized by speed and quality, leveraging our robust in-house technology and data capabilities.Barcelona is rapidly becoming a vital hub for Codeway, where we are nurturing a strong engineering culture. Our team values ownership, agility, and high standards of craftsmanship. This is an ideal environment for engineers eager to engage closely with product development, influence key decisions, and see their contributions make an impact swiftly.We are currently seeking a Backend Developer to join our Barcelona team and assist in building and scaling top-notch mobile experiences across our diverse consumer app portfolio.Your RoleIn this position, you will be an integral part of our engineering team, responsible for developing and maintaining the backend services that power our mobile and web applications, which are utilized by millions globally. Your responsibilities will include designing scalable microservices and APIs, as well as supporting AI-driven features and model deployments. You will work on high-performance, reliability-focused products with an emphasis on clean architecture.Key Responsibilities◦ Design, develop, and maintain scalable backend services for mobile and web applications.◦ Build and enhance microservices and RESTful APIs with a focus on maintainable architecture.◦ Deploy, monitor, and support AI models and data-driven services in production.◦ Optimize system performance, reliability, and scalability in distributed environments.◦ Collaborate closely with mobile, frontend, AI, product, and DevOps teams to implement new features.◦ Troubleshoot, debug, and enhance system stability and observability.◦ Ensure code quality through peer reviews, testing, and comprehensive documentation.Your Qualifications◦ A minimum of 2 years of professional experience in backend development.◦ Proficiency in designing and implementing APIs and microservices.◦ Strong understanding of system performance optimization and reliability.◦ Experience with AI model deployment and data-driven services in production is a plus.◦ Excellent problem-solving skills and a proactive approach to improving systems.
Full-time|On-site|Barcelona, Catalunya [Cataluña], Spain
About seQuraseQura is at the forefront of fintech innovation, delivering flexible and user-friendly payment technologies that enhance merchants' ability to attract, convert, and retain customers. We are committed to improving sales performance by customizing solutions across various sectors including Retail, Education, Eyewear, Repairs, and Travel, addressing specific challenges to achieve outstanding results.Our mission is to empower savvy consumers seeking value, convenience, and flexibility in their shopping experiences. We offer innovative payment options that allow customers to save, access interest-free credit, or make manageable payments over 24 months.Founded in Barcelona, seQura is a rapidly growing fintech company expanding its reach throughout Southern Europe and Latin America, boasting over 50% CAGR and nearing €100M in Annual Recurring Revenue. Our exceptional service has earned us the trust of over 5,000 businesses and nearly 2 million shoppers, reflected in our impressive NPS of 87%, a Trustpilot rating of 4.7/5, and a Glassdoor rating of 4.7/5.About the Role We are developing seQura’s Smart Agent platform, an advanced intelligent agent system designed to assist shoppers throughout their purchasing journey. This platform integrates Large Language Models (LLMs) for human-like interaction with retrieval-augmented generation (RAG) utilizing seQura’s data, web crawling, and structured product information.This position focuses on the creation of robust, production-ready backend systems that empower these agents to effectively address shopper needs. AI research, data science, or mathematical modeling are not required, as all necessary frameworks are already established.Key Responsibilities:Design and implement scalable backend systems for agent workflows, managing context, state, and interactions.Safely and efficiently integrate AI agent functionalities with core platforms such as payments, shopper accounts, risk management, and merchant services.Utilize RAG frameworks and structured data to generate intelligent responses without the need for model fine-tuning.Collaborate with Product, Frontend, and other teams to deliver seamless user experiences.
Join Delivery Hero as a Senior Backend Engineer specializing in Kotlin to drive innovation in the Quick Commerce sector. In this role, you will design and develop scalable backend systems that enhance our delivery capabilities. You will collaborate with cross-functional teams to deliver high-quality software solutions while ensuring optimal performance and reliability.We are looking for someone who is passionate about technology, thrives in a fast-paced environment, and is eager to take on new challenges. Your contributions will directly impact our mission to provide exceptional service to our customers.
Veeva Systems is a purpose-driven organization and a leader in the industry cloud sector, empowering life sciences companies to expedite the delivery of therapies to patients. As one of the fastest-growing SaaS companies in history, we achieved over $2 billion in revenue in our last fiscal year and continue to see vast growth potential.Our core values at Veeva are: Do the Right Thing, Customer Success, Employee Success, and Speed. We are not just any public company; in 2021, we made history by becoming a public benefit corporation (PBC), which legally commits us to balancing the interests of customers, employees, society, and investors.As a Work Anywhere company, we offer flexibility for you to work from home or in the office, allowing you to thrive in your preferred environment.Join us in transforming the life sciences industry, as we commit to making a positive impact on our customers, employees, and communities.The RoleOpenData Clinical serves as the cornerstone for intelligent clinical operations.Patient recruitment remains the most significant challenge within the Clinical Trials industry. Delays in this process can postpone studies and, ultimately, delay the delivery of life-changing treatments to those in need. Our mission is to hasten this process.By identifying the most effective clinical sites, we facilitate quicker drug market entry. We project that OpenData Clinical will save at least one life annually through the optimization of Clinical Operations.You will be responsible for developing the backbone of our data quality engine and pipelines. Your contributions will enable thousands of curators to efficiently manage extensive datasets with accuracy, providing the life sciences industry with the high-quality data essential for accelerating clinical trials and drug development.This position is ideal for an engineer who prioritizes architectural integrity over quick fixes. You will be part of an engineering-driven culture that values technical excellence and grants true autonomy to innovate.
Airapps is looking for a Backend DevOps Engineer in Barcelona to help strengthen cloud infrastructure and improve deployment processes. This position involves working closely with teams from different disciplines to build scalable systems and automate key workflows. Role overview The Backend DevOps Engineer will focus on supporting and optimizing cloud-based environments. The work includes streamlining deployment pipelines and maintaining high performance for applications across the company. Collaboration This role requires frequent collaboration with cross-functional groups. Sharing knowledge and finding practical solutions together will be part of daily work. Key responsibilities Enhancing and maintaining cloud infrastructure Automating deployment and operational workflows Working with teams to deliver scalable solutions Ensuring applications run efficiently and reliably
Join BioCatch, the leading innovator in Behavioral Biometrics, where we harness the power of machine learning to analyze users' behavioral patterns online to enhance security. Our mission is to enable a digital world where identity, trust, and ease can coexist. With over 32 of the world's top 100 banks and 210 financial institutions using our BioCatch Connect™ technology, we are at the forefront of combating fraud and fostering digital transformation. We collaborate with industry giants like American Express and Barclays through our Client Innovation Board to explore innovative methods for fraud prevention. With a decade of experience, over 80 registered patents, and a commitment to innovation, we are solving the challenges of tomorrow.Are you an adept backend developer eager to use your expertise to combat cybercrime? At BioCatch, we are searching for a Senior Backend Developer to become part of our passionate team driven by curiosity and innovation. In this role, you will engineer core services and APIs capable of managing high volumes of real-time data while adhering to strict SLA response times. Your work will involve tackling complex scenarios related to big data collection, aggregation, and analysis. Join us at BioCatch to make a significant impact in the fight against cybercrime and fraud.Location: Barcelona, Spain (Hybrid work arrangements)
airapps is hiring a Backend DevOps Engineer in Barcelona. This position focuses on improving how development and operations work together to support backend systems. Role overview The Backend DevOps Engineer will help refine and optimize processes that connect software development with IT operations. The goal is to create smoother workflows and support the reliability of backend infrastructure. What you will do Work closely with team members to streamline development and deployment pipelines Identify and address challenges in backend operations Contribute ideas to enhance backend systems and processes What we look for Motivation to improve backend development and operations Interest in solving technical challenges Ability to collaborate with a team in a growing company
Join our dynamic team at anybotics as a Senior Backend Engineer, specializing in Node.js and TypeScript. In this pivotal role, you will be responsible for designing and implementing scalable backend systems that power our innovative robotic solutions. Collaborate with cross-functional teams to gather requirements, build robust APIs, and ensure seamless integration with our frontend systems.Your contributions will drive the development of cutting-edge technology that enhances automation in various industries. We value creativity, problem-solving, and a passion for technology.
Join us at Fever, the premier tech platform dedicated to enhancing cultural and live entertainment experiences globally.Our mission is to democratize access to culture and entertainment. Utilizing our advanced technology and data-driven strategies, we are changing how audiences engage with live events. Every month, over 300 million individuals across more than 40 countries discover unforgettable experiences on our platform, while we empower event creators to innovate and grow their reach.We proudly collaborate with industry giants such as Netflix, F.C. Barcelona, and Primavera Sound, delivering internationally acclaimed experiences and backed by leading global investors. Impressive, isn’t it?To further our mission, we seek exceptional talent with a proactive mindset, eager to contribute to the future of entertainment. Are you ready to be part of this journey?The engineering team is the backbone of our user-friendly iOS and Android applications and website, responsible for developing, enhancing, and maintaining all Fever services, ensuring that users have outstanding experiences.About the RolePosition: Senior Software Engineer (Backend Platform)Location: SpainWe are looking for a highly skilled software developer with a proven track record of delivering exceptional results. A person who values code quality and emphasizes doing things correctly, not just completing tasks.Collaborate within an agile, cross-functional team alongside other talented software engineers and product designers.Develop production-quality code and implement solutions capable of handling significant traffic.Mentor team members through code reviews, architecture design sessions, and pair programming.Receive mentorship from colleagues in areas where you seek to grow.During your onboarding period, you will:Engage in a structured program designed to facilitate a smooth transition into your role.
Join Docplanner as a Backend Engineer specializing in AI Integration and play a vital role in revolutionizing the healthcare industry. We are looking for a talented professional with a strong background in backend development and a passion for artificial intelligence.In this position, you will collaborate with cross-functional teams to design, implement, and optimize backend solutions that effectively integrate AI technologies. With your expertise, you will help us enhance our platform's capabilities and improve user experience.
Full-time|On-site|Barcelona, Catalunya [Cataluña], Spain
Join our dynamic global team as a Junior Backend Engineer where you will play a crucial role in ensuring the quality, development, and implementation of our software solutions.As part of our technology department, you will collaborate with a diverse group of accomplished professionals located around the world, including teams in Barcelona, New York, London, Manchester, Bucharest, and India. If you’re passionate about technology and keen to make a significant impact within a rapidly growing company, we would love to hear from you!Your Role in TransPerfect – TechOps:The TransPerfect TechOps team has been integral to our success over the past decade, providing innovative technology and services that greatly enhance the experiences of our clients and colleagues. From streamlining workflows for our staff to developing essential services that underpin our GlobalLink platform, our work enables users to navigate complex ecosystems effortlessly.
As a Senior Backend Software Engineer at Blacklane, you will join one of our autonomous agile teams. Your contributions will enhance the services that drive our innovative platform, improve our back-office systems, and address integration challenges that enable our business partners to seamlessly connect with Blacklane.Our tech stack comprises Ruby, Go, TypeScript, and Java services, designed through Domain-Driven Design (DDD). These services are deployed within our Kubernetes cluster and communicate via domain events using SQS and Kafka. We utilize a variety of data storage technologies, including PostgreSQL, MySQL, Elasticsearch, Redis, and DynamoDB. For infrastructure and cloud resources, we primarily leverage AWS, managing provisioning through Terraform.
Role overview Airapps seeks a Backend Quality Assurance Engineer based in Barcelona. This role centers on testing and validating backend systems to confirm their quality and performance. The work contributes directly to the reliability and efficiency of Airapps products. What you will do Create and execute test plans tailored to backend systems Apply automation methods to improve and speed up testing Collaborate with engineering, product, and other teams Review and interpret test results to spot opportunities for improvement Help advance processes within the software development lifecycle Impact This position supports Airapps’ commitment to reliability and a strong customer experience. Work in this role helps deliver dependable, high-quality products to users.
Veeva Systems is a purpose-driven leader in industry cloud solutions, dedicated to empowering life sciences companies to expedite the delivery of therapies to patients. As one of the quickest-growing SaaS companies in history, we achieved remarkable growth, surpassing $2B in revenue last fiscal year, with an exciting trajectory ahead.Our core values prioritize integrity, customer satisfaction, employee well-being, and speed. Uniquely, we made history in 2021 by becoming a public benefit corporation (PBC), which legally binds us to balance the interests of our customers, employees, society, and investors.Being a Work Anywhere company, we offer the flexibility to work from home or in the office, enabling you to succeed in your ideal workspace.Join us in transforming the life sciences industry, and making a meaningful difference for our customers, employees, and communities.The RoleAt Veeva Link, we are developing the intelligence layer for life sciences, crafting interconnected data applications that speed up drug development and enhance patient outcomes. Our fundamental belief is that merging top-tier data with cutting-edge software provides immense value.Execution is paramount. We believe that progress is driven by speed, precision, and quality in our daily endeavors. Our engineering philosophy focuses on clear product definitions that lead to thorough technical designs. We utilize a modern tech stack to create inherently dependable applications that deliver an exceptional user experience.Our work encompasses two essential domains:Data-Driven InsightsWe build advanced applications that map and analyze global scientific and medical expertise, delivering impactful insights and AI-driven intelligence. Our engineers tackle challenging data modeling, entity resolution, and sophisticated machine learning tasks.Intelligent Business WorkflowsWe design automated workflows that streamline business processes, enhancing efficiency and collaboration across teams.
Join Our TeamAt Quadrivia, we are revolutionizing healthcare technology with Qu, a fully controllable and customizable AI assistant crafted by clinicians for clinicians. We tackle the pressing shortage of healthcare professionals by providing timely, personal, and dependable support for a variety of clinical tasks throughout the care continuum. Qu is tailored for healthcare providers, payers, and pharmaceutical companies, ensuring easy customization and seamless integration into existing workflows for optimal assistance across the care spectrum.Your ImpactAs a Senior Backend Software Engineer, you will architect and develop the robust backend systems that power the Quadrivia clinical AI platform. This includes building high-availability services, creating event-driven architectures, developing data pipelines, and establishing orchestration layers for our clinical AI agents.This position is highly technical and hands-on, playing a critical role in ensuring our systems' reliability, safety, and performance.
At Datavant, we are revolutionizing healthcare through data collaboration. Our mission is to ensure that health data is secure, accessible, and actionable, enabling organizations—from healthcare providers to researchers—to improve patient outcomes. Join our innovative team and contribute to groundbreaking solutions that power the AI revolution in healthcare.Your Opportunity: Be Part of Our Life Sciences Tech Hub in BarcelonaAs we expand our global presence, we're establishing a Life Sciences Tech Hub in Barcelona and are in search of skilled full stack engineers who are passionate about creating impactful healthcare technology. Your role will involve designing and implementing systems that ensure secure, privacy-compliant access to high-quality healthcare data for pharmaceutical companies, biotech innovators, and research institutions worldwide. Your contributions will accelerate clinical trials and improve patient care by making critical data interoperable and trustworthy.At Datavant, you'll have the chance to apply your technical skills and problem-solving expertise in a supportive environment dedicated to our mission: empowering every healthcare decision with the right data, at the right time, in the right format. We seek innovators, dreamers, and doers who are ready to make a difference.Why Join Our Tech Team?Collaborate with engineering leaders on strategies and technology vision.Mentor colleagues through code reviews and software design.Work with a diverse technical stack, including cloud and on-premise solutions, big-data analytics, and complex algorithms.
