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Software Engineer Java Kotlin At Vonage Barcelona jobs in Barcelona· Page 3

Results 41–60 of 1,609 for “Software Engineer Java Kotlin At Vonage Barcelona” in Barcelona.

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Sopra Steria logo
Full-time|On-site|Barcelona

Join our dynamic team at Sopra Steria as a Java Programmer Analyst. In this pivotal role, you will be responsible for developing, implementing, and maintaining software applications that meet the needs of our diverse clients. Your expertise in Java programming will be essential in creating efficient and effective solutions. Collaborate with cross-functional …

Dec 2, 2025
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Sopra Steria logo
Full-time|On-site|Barcelona

Join our dynamic team as a Java Developer in the vibrant city of Barcelona! We are looking for a talented individual who is passionate about software development and eager to contribute to innovative projects. You will work collaboratively with cross-functional teams to design, develop, and implement high-quality applications that meet our clients' needs.

Nov 26, 2025
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Codeway logo
Full-time|On-site|Barcelona

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.

Feb 24, 2026
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Catenon logo
Full-time|On-site|Barcelona

Role OverviewJoin our dynamic team at Catenon as a Process Engineer based in our Barcelona headquarters. You will play a crucial role in driving continuous improvement initiatives for our manufacturing plant located in Southeast Asia, focusing primarily on enhancing cost efficiency, product quality, and production throughput.Key Responsibilities:Maintain comprehensive process documentation, including flowcharts and operator manuals, for all products transitioned to manufacturing.Identify, assess, and apply cost-saving strategies and procedural enhancements.Collaborate with the New Product Development (NPD) team to design and implement production methods that align with cost, quality, and output targets for both new and existing products.Conduct root cause analyses, develop corrective action plans, and utilize quality tools to drive improvements.Engage with various engineering disciplines to innovate and refine design and process methodologies for enhanced quality and efficiency.Ensure all improvement activities comply with established methods, procedures, and quality standards.Recommend and execute enhancements to current processes, tooling, components, and equipment.Stay updated on the latest technologies, materials, equipment, and best practices; provide training to department staff and key plant personnel.Evaluate proposals from external suppliers regarding the acquisition or modernization of production and processing equipment.Develop, implement, and uphold Standard Operating Procedures (SOPs) for both new and existing processes, and deliver training as necessary to technicians, operators, and support staff.Contribute to Manufacturing Quality certification efforts by observing operational procedures and ensuring proper equipment maintenance through Preventive Maintenance (PM) practices.Provide technical support for prototype development and assembly.

Sep 9, 2014
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TransPerfect logo
Full-time|On-site|Barcelona, Catalunya [Cataluña], Spain

Join our dynamic global team as a Software Engineer responsible for the development, quality assurance, and implementation of our innovative software products.As part of our technology department, you will collaborate with a talented and diverse team located in cities such as Barcelona, New York, London, Manchester, Bucharest, and India. If you're eager to contribute to a thriving company and make a significant impact, we want to hear from you!About TransPerfect – TechOps:The TransPerfect TechOps team has been integral to our success for over a decade, providing technology and services that have simplified the lives of our clients and colleagues. From enhancing workflows for team members to developing core services that underpin our GlobalLink platform, we create scalable client interfaces that empower users to navigate complex ecosystems with ease.

May 4, 2026
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seQura logo
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.

Jan 13, 2026
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Ubisoft Entertainment S.A. logo
Tech Programmer at Ubisoft | Barcelona

Ubisoft Entertainment S.A.

Full-time|On-site|Barcelona

Join our dynamic team at Ubisoft as a Tech Programmer, where you will be instrumental in developing cutting-edge software solutions for our gaming projects. Collaborate with talented teams in a creative environment that fosters innovation and excellence.

Mar 18, 2026
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Perk logo
Full-time|On-site|Barcelona

About UsPerk, previously known as TravelPerk, is an innovative platform designed for travel and expenditure management. Our mission is to eliminate the tedious manual tasks that hinder productivity, automating processes from travel bookings to expense management and invoice handling. By addressing the issue of shadow work that drains hours from employee productivity, we aim to create real impact in the workplace.Trusted by over 10,000 organizations globally, including notable names like Wise, On Running, Breitling, and Fabletics, we are committed to solving the $1.7 trillion problem of lost productivity, which affects employees' efficiency each week.Founded in 2015, Perk has expanded to become a global team of over 1,800 professionals across 12 locations, with headquarters in London and Boston. Our focus is on combining innovation, control, and ease to transform workplace dynamics and employee satisfaction.At Perk, our core values drive our culture: ownership, delivering a 7-star experience, and teamwork. We prioritize curiosity, purpose, and mindset to unlock the full potential of our talent. Our diverse talent team consists of leading professionals from the travel and SaaS sectors, representing over 70 countries. If you are passionate about making a tangible difference and reshaping how millions experience work, we would be thrilled to have you join our team.Learn more about us at www.perk.com.

Feb 16, 2026
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Prosper AI logo
Full-time|On-site|Barcelona

Prosper AI creates AI Phone Agents tailored for the healthcare sector. These agents support tasks such as patient communications, claims status checks, benefits verification, prior authorization management, and appointment scheduling. The company aims to reduce administrative waste in healthcare, freeing up professionals to focus on direct patient care. Role overview The Forward Deployed Engineer will contribute to advancing Prosper AI’s real-time voice agent technology. This position focuses on building agents that communicate effectively and integrate smoothly with client systems. High performance and low latency are essential requirements. Collaboration with AI Product Managers is a key part of the role, identifying technical enhancements and fine-tuning agent performance to match each client’s needs. Location This is a full-time role based in Barcelona. There may be future opportunities to transfer to the New York office.

Apr 21, 2026
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Affinity logo
Full-time|On-site|Barcelona, Spain

Join Affinity as a Software Engineer II, where you will contribute to innovative projects in a dynamic tech environment. You will collaborate with cross-functional teams to design, develop, and implement cutting-edge software solutions. This role is perfect for individuals who are passionate about technology and eager to take their skills to the next level.

Mar 28, 2026
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Miratech logo
Full-time|On-site|Barcelona

Role Overview Miratech is hiring a Senior Full Stack Developer in Barcelona with a focus on Java and Angular. This position plays a key part in creating and delivering web solutions that improve user experience and support business goals. What You Will Do Design and build web applications using Java and Angular Work closely with cross-functional teams throughout the development process Contribute to high-quality software delivery Follow and promote coding and development best practices

Apr 15, 2026
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Accor Hotels logo
Full-time|On-site|Barcelona

Join Our Team as a Bartender!We are seeking a dynamic Bartender to become a part of the vibrant team at SLS Barcelona. Working under the supervision of the Head Bartender, you will play a pivotal role in curating an exciting beverage menu and creating an unforgettable experience for our guests. Foster a lively and inviting atmosphere where guests can relax and enjoy their time.Prepare and serve beverages in accordance with established recipes and service standards.Maintain in-depth knowledge of all bar products and cocktail recipes.Create a diverse range of drinks, from refreshing soft drinks to exquisite seasonal cocktails.Understand the nuances of each beverage item and ensure appropriate garnishing for every cocktail.Adhere to standard opening and closing procedures for the bar while managing beverage stock efficiently.Monitor supplies, minimizing spoilage and waste.Master your craft and become familiar with our systems.Prepare mise-en-place and fulfill side duties as needed.Collaborate with team members to maintain a tidy and efficient service environment, both at the bar and for table service.

Mar 11, 2026
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xal holding gmbh logo
Full-time|On-site|Barcelona, Catalunya [Cataluña], Spanien

Illuminate your career with us!Join our dynamic team at xal holding gmbh as a Product Engineer in the vibrant city of Barcelona. We are eager to find a passionate individual who thrives in a creative and technical environment.Key ResponsibilitiesDesign and develop innovative lighting systems utilizing advanced 2D and 3D design software.Execute detailed engineering processes for luminaires, facilitating a seamless transition to mass production.Produce comprehensive construction drawings, parts lists, and working schedules.Provide technical support to various departments, including production and assembly.Assist in prototype production, assembly instruction preparation, and product documentation.Qualifications and SkillsBachelor's degree or higher in Product Engineering or a related technical field.Minimum of 2 years of relevant experience in mechanical engineering.Proficient in 3D-CAD design programs; experience with Solid Edge is a plus.Familiarity with manufacturing processes including plastic injection, die-casting, machining, 3D printing, and sheet metal fabrication.Fluent in both English and Spanish.Creative problem-solver with a strong passion for technical challenges.Enthusiastic about architecture, design, and lighting technologies.Self-driven and capable of working independently.Note: Applications must be submitted in English. Thank you for your understanding.

Mar 12, 2026
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Fever logo
Full-time|On-site|Barcelona; Spain

Greetings! We are Fever, the foremost technology platform for culture and live entertainment.Our mission? To make culture and entertainment accessible to all. Utilizing our innovative technology and data-driven strategies, we are transforming how individuals interact with live entertainment. Each month, our platform engages over 300 million users across more than 40 countries, inspiring them to discover unforgettable experiences while empowering event creators through our technology and data insights, enabling them to scale, innovate, and reach broader audiences.Our achievements include collaborations with renowned industry giants such as Netflix, F.C. Barcelona, and Primavera Sound, presenting internationally acclaimed experiences, all supported by leading global investors. Impressive, right? To drive our mission forward, we seek proactive individuals who are excited to help redefine the future of entertainment!Ready to embark on this journey with us?Let’s delve into the specifics of this role and explore how you can contribute to Fever’s mission.About the RoleAs a Data Engineer, you will join a team dedicated to designing and delivering data products that support Fever’s partner ecosystem — from real-time APIs and dashboards to data exports and automated reports. Our teams utilize modern data platforms (Snowflake, DBT, Airflow, Superset, DataHub, etc.) while also developing proprietary technology to ensure the delivery of high-quality, reliable, and scalable data products across various business domains.You will work at the intersection of engineering, product, and business, converting complex requirements into elegant and maintainable solutions that create tangible impact for our clients and internal teams.

Mar 10, 2026
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Soprasteria logo
Full-time|On-site|Barcelona

Join Soprasteria, a leading European consulting and technology company, as a DevOps Engineer. We are seeking a passionate professional who is eager to contribute to our dynamic team in Barcelona. You will play a vital role in enhancing our infrastructure, automating processes, and ensuring smooth deployment pipelines.

May 19, 2025
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Monzo Bank logo
Full-time|On-site|Barcelona

Join Monzo as a Software Engineer II and contribute to our mission of making money work for everyone. In this role, you will be part of a dynamic team focused on building innovative solutions to enhance our banking experience. You will collaborate with cross-functional teams, write clean and maintainable code, and participate in the full software development lifecycle.

Apr 13, 2026
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Veeva Systems Inc. logo
Full-time|Hybrid|Spain - Barcelona

Veeva Systems is a pioneering, mission-driven organization at the forefront of industry cloud solutions, dedicated to accelerating the delivery of therapies to patients. As one of the fastest-growing SaaS companies in history, we achieved over $2 billion in revenue last year and continue to see immense growth potential.Our core values of Doing the Right Thing, Customer Success, Employee Success, and Speed drive our operations. In 2021, we made headlines by becoming a public benefit corporation (PBC), which commits us to balancing the interests of our customers, employees, society, and investors.As a Work Anywhere company, we offer the flexibility to work remotely or in-office, supporting your success in your preferred work environment.Join us in transforming the life sciences industry, and making a positive impact on our customers, employees, and communities.The RoleVeeva Link facilitates connections within the life sciences sector, enabling professionals to engage with key individuals for clinical trials, educational initiatives, or advisory boards. This streamlined access significantly reduces the time-to-market for critical drugs, allows trials with the most relevant experts, and disseminates information about new treatments to essential members of the life sciences community. Learn more about Veeva Link on our product pages at https://www.veeva.com/products/veeva-link/. As a Data Engineer, you will be integral to our data pipelines and take charge of a significant portion of the Link data processing platform. We value end-to-end ownership, placing you in the ideal position to identify, design, and implement enhancements to the product's data pipelines while adapting to the evolving market demands. Your responsibilities will include driving features and innovations using SOLID and clean software principles, participating in architectural enhancement processes, and ensuring quality outcomes. Monitoring, metrics, and general observability will be integral parts of your feature design process.

Apr 28, 2023
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Lighthouse logo
Full-time|On-site|Barcelona, Spain

At Lighthouse, we are dedicated to transforming commercial strategies within the hospitality sector. Our state-of-the-art commercial platform simplifies complex data, providing businesses with actionable insights, advanced pricing tools, and innovative business intelligence to maximize their revenue potential.With a robust backing of $370 million in Series C funding and a relentless drive for growth, we have integrated five companies into our journey, achieving over $100 million in Annual Recurring Revenue (ARR) in 2024. Our diverse team of over 850 members spans 35 countries and includes 34 nationalities.At Lighthouse, we foster a vibrant community. Our collaborative and enjoyable work environment is deeply committed to revolutionizing the hospitality industry. Are you prepared to embark on this exciting journey with us? What you will doAs a Data Engineer within our newly formed Data Products team, you will be pivotal in enhancing the quality and business value of our essential data assets. You will take a hands-on approach in designing, constructing, and maintaining data pipelines that support various teams across Lighthouse. Acting as a liaison between our data resources and the business, you will collaborate with stakeholders to ensure that our data effectively serves its consumers.Where you will have an impactBecome the authority on key data products, comprehensively understanding the entire data lifecycle, quality standards, and business applications.Design, implement, and sustain both streaming and batch data pipelines that empower our products and internal analytics.Work closely with data consumers to comprehend their requirements and deliver effective data solutions.Enhance data quality, latency, and reliability.Adopt a product engineering mindset, concentrating on delivering significant value and tackling business challenges through data.Be at the forefront of our AI evolution, integrating intelligence into our platform and advocating for an AI-first development culture within the engineering team.Mentor fellow engineers, sharing your expertise and aiding in their professional growth.About our teamThe Data Products Team serves as the definitive source of truth for Lighthouse's data, forming the foundational layer of our entire data ecosystem.Our primary mission is to model and deliver high-quality, foundational data products that are essential components for all downstream product features, machine learning models, and data science initiatives.

Mar 31, 2026
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TransPerfect logo
Full-time|On-site|Barcelona, Catalunya [Cataluña], Spain

OverviewIn the rapidly evolving world of artificial intelligence, our clients require solutions that keep up with the pace of innovation. As a Forward Deployed Engineer with TransPerfect's Artificial Intelligence team, you will be directly embedded with clients, tackling their most significant challenges, swiftly prototyping AI-driven solutions, and developing production systems that yield tangible business results.This position merges engineering, product development, and consulting. You will engage with clients to identify their needs, quickly build functional prototypes, and evolve them into fully operational applications within a matter of weeks. Your responsibilities will include writing production-ready code, crafting customized solutions, and addressing complex technical challenges. A successful Forward Deployed Engineer transitions prototypes to production, significantly influencing both revenue and our overall success with an entrepreneurial attitude. ResponsibilitiesCollaborate closely with clients to define problems, understand limitations, and outline precise technical solutions, ensuring thorough inquiry before coding begins.Rapidly create AI-driven prototypes and proof-of-concept implementations that demonstrate value within days.Take ownership of the entire process from problem identification to deployment of production systems.Write high-quality, production-level code across the complete technology stack.Serve as the primary technical lead for client projects.Develop tailored applications utilizing Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) systems, and agentic frameworks.Coordinate cross-functionally between clients and internal product teams.Lead technical discovery sessions with clients.Build and implement integrations, data connectors, and custom workflows that ensure our AI platforms fit seamlessly into clients' existing systems.Work alongside sales teams during technical discussions, demonstrations, and proof-of-value engagements.Mentor technical teams on best practices for AI implementation, prompt engineering, and system integration.

Mar 4, 2026
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HappyScribe logo
Full-time|On-site|Barcelona

Hello Welcome to HappyScribe, a thriving and fully bootstrapped AI company based in the vibrant city of Barcelona. We are proud to offer one of the web's most precise multilingual transcription platforms, relied upon by hundreds of thousands of users every month. Our successful product empowers us to innovate further — no external investors, no burn rates, just a clear focus on our mission.As we expand our horizons, we are embarking on an exciting journey to transform conversations into lasting memories. We are developing a unique platform where conversations evolve into memories, ideas transform into actionable steps, and teams collaborate with enhanced clarity and efficiency.Joining our close-knit team of approximately 15 skilled professionals (with backgrounds from Typeform, Pitch, King, Skyscanner, and more) means you will be part of a pragmatic group dedicated to both scaling our existing revenue-generating platform and prototyping innovative products that push the boundaries of speech and agentic AI.We prioritize speed while maintaining a long-term vision. Here, you will have the opportunity to own, shape, and deliver tangible products — not just pitch decks.About the Role...We are seeking a talented Product Engineer to enhance and evolve our core transcription and intelligence platform. You will collaborate closely with Matej (our Tech Lead, formerly of Typeform), designers, and our founders to roll out features that cater to both small teams and large enterprises.This role is ideal for experienced builders who are passionate about their craft — engineers who think systematically, value impact, and discern when to act swiftly and when to delve deeply.What You Will Do...Develop and maintain the core HappyScribe application across multiple platforms, catering to hundreds of thousands of users monthly. You will be responsible for features from concept through to production.Embrace a learn-and-iterate approach. Measure impact proactively, gather user feedback, and refine or discontinue features based on your insights.Work collaboratively with engineers, designers, and leadership to influence the product roadmap. Your input will shape what we build and why.Example projects include:Creating integrations with telecommunication platforms to capture real-time conversations.Developing search and storage systems for extracting insights from numerous multilingual transcripts.Building a desktop app for local recording and seamless access to conversation data.What You Will Bring...You are an experienced engineer with a passion for building robust products.Your expertise in systems design and your commitment to impactful work will drive our projects forward.

Mar 26, 2026

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