Junior Frontend Engineer

Join TransPerfect, a dynamic company with a vibrant start-up culture, as a Junior Frontend Engineer. We are looking for innovative and entrepreneurial individuals to enhance our global team. In this role, you will be instrumental in ensuring the quality, development, and execution of our software products. If you are eager to make an immediate impact in a gr…

About UsAt Perk, previously known as TravelPerk, we have developed an innovative platform that revolutionizes travel and expense management. Our mission is to eliminate the tedious manual tasks that hinder productivity, providing automated solutions for everything from travel bookings to expense reports and invoice processing. We aim to combat the inefficiencies that cost employees an average of 7 hours of lost productivity every week, representing a staggering $1.7 trillion challenge.Trusted by over 10,000 companies globally, including names like Wise, On Running, Breitling, and Fabletics, we strive to empower businesses to focus on impactful work. Since our inception in 2015, Perk has expanded rapidly, employing over 1,800 individuals across 12 international offices, with headquarters in London and Boston.Our company culture is driven by core values such as ownership, delivering a 7-star experience, and teamwork. We emphasize curiosity, purpose, and mindset—recognizing that these attributes unlock potential beyond mere knowledge. Our diverse talent team comprises leading professionals from the travel and SaaS sectors, representing more than 70 countries. If you're passionate about making a significant impact and transforming how millions experience work, we would love for you to join us.To learn more about us, visit www.perk.com.We seek intelligent individuals who can leverage the best tools and processes to excel in their roles. Join our enthusiastic team and play a crucial role in shaping the visual identity of our platform, website, and internal tools. As a key member of our engineering team, you will not only deliver high-quality product features and advanced internal tools but also lead the ongoing improvement and evolution of our frontend architecture.

⭐ About UsLodgify is a dynamic and rapidly growing scale-up at the forefront of the vacation rental industry. With $30M in funding, our innovative platform empowers property owners and managers globally to effectively manage and expand their businesses through advanced technology solutions.Based in the vibrant city of Barcelona, our diverse team of over 380 professionals hailing from more than 60 nationalities is dedicated to revolutionizing the future of short-term rentals.⭐ Role OverviewWe are excited to invite a Senior Frontend Engineer to join our thriving multicultural startup. In this role, you will enhance and maintain our existing frontend application built with React. You will engage in more than mere coding; you will collaborate closely with teams to create a product that our users truly cherish. You will take full ownership of your projects, from the initial brainstorming sessions through to deployment and beyond. We seek an innovative thinker who is eager to interact with customers, analyze usage data, and prioritize solutions to key challenges.

About AbacumAbacum stands at the forefront of Business Planning solutions tailored for finance teams. Our innovative platform automates reporting, enhances collaboration, and streamlines planning and forecasting, empowering finance teams to transition from mere number crunching to making strategic decisions.Founded in 2020 by visionary former CFOs, we have rapidly expanded to a global workforce of 100+ talented individuals representing 30+ nationalities. With our headquarters in New York and additional offices in London and Barcelona, we are proud to serve esteemed clients such as Dish Networks, Strava, BetterUp, Kajabi, JG Wentworth, Abridge, Cortex, among many others.Having successfully raised over $100 million, we recently concluded our $60M Series B funding round in June 2025, led by Scale Venture Partners with strong backing from Cathay Innovation, Y Combinator, Atomico, Creandum, and angel investors from Adyen, Zapier, and Twitch.Our ambitious mission is to redefine Business Planning—join Abacum and be part of this groundbreaking journey!We are looking for...An enthusiastic Senior Frontend Engineer who thrives on solving intricate, market-defining challenges—such as developing a real-time, multidimensional calculations engine!This is a rare opportunity to engage in an agile coding environment, directly influence our product, and shape our engineering culture and technical design.If you are someone who takes pride in ownership of your work, learns swiftly, and is eager to contribute to something extraordinary, we invite you to apply!

Join Our Team at QuadriviaQuadrivia is a pioneering health technology company that has developed Qu, an innovative AI assistant tailored specifically for clinicians. In response to the critical shortage of healthcare professionals, Qu offers immediate, personalized, and dependable support for clinical tasks across the healthcare continuum. Our solution is designed for healthcare providers, payers, and pharmaceutical companies, allowing for easy customization and seamless integration into existing workflows, ensuring precise assistance throughout the care spectrum.Your RoleAs a Senior Frontend Engineer, you will be responsible for crafting secure and intuitive interfaces for clinicians, B2B customers, and patients that interact with our agent-based clinical AI system. Your primary focus will be to deliver a flawless end-to-end web experience that meets the highest standards of quality.Key ResponsibilitiesDevelop high-quality frontend applications using React and Typescript.Implement secure data flows in compliance with regulatory standards.Create real-time interfaces for chat, voice, clinical workflows, and operational tools.Collaborate closely with design, clinical teams, QA engineers, and backend engineers.Ensure accessibility, clarity, and safety in all UI components.Maintain stringent performance, latency, and reliability standards.Deliver pixel-perfect, test-driven components using robust CI/testing practices.Required ExperienceOver 10 years of frontend development experience with React and Typescript.Proven track record in building real-time interactive interfaces (chat, voice, agent UI).Strong skills in frontend architecture and performance optimization.Experience in regulated or high-risk domains, preferably healthcare.Deep understanding of API integration, state management, and WebSockets.Strong knowledge of OAuth2.Proficiency in WebRTC technologies.Exceptional communication skills—clear, structured, and concise, preferably following the STAR/SAR method.Experience in healthcare or related fields.Preferred QualificationsFamiliarity with design systems tailored for regulated environments.Experience in event-driven applications.

dlocal seeks a Frontend Architect in Barcelona to define the technical direction of web applications. This position plays a central role in shaping how users interact with dlocal’s products and sets the foundation for frontend projects across the company. Role overview The Frontend Architect leads the design and development of scalable, high-performance frontend solutions. Hands-on involvement is expected, with a focus on improving user experience and driving product engagement. The role also involves setting architectural standards and ensuring consistency across frontend codebases. What you will do Lead the creation of scalable and high-performance frontend solutions Work closely with cross-functional teams to deliver applications that align with client needs Define and uphold architectural standards for frontend code Mentor engineers on best practices and modern web technologies Oversee project delivery to maintain quality and consistency Requirements Significant experience with modern frontend frameworks and tools Strong track record in building scalable, maintainable web applications Proven ability to set architectural direction and influence technical decisions Comfortable collaborating with product, design, and engineering teams This is a key role supporting dlocal’s growth and commitment to product quality in Barcelona.

About UsAt Perk, we are revolutionizing travel and spend management through our intelligent platform designed to eliminate tedious manual tasks. Our innovative tools automate everything from travel bookings to expense management, enabling employees to focus on what truly matters. With a mission to boost productivity and foster innovation, we aim to tackle the $1.7 trillion problem of lost productivity, which costs employees an average of 7 hours of productivity each week.Founded in 2015, Perk has rapidly grown to over 1,800 employees across 12 offices worldwide, with our headquarters situated in London and Boston. Our commitment to innovation, simplicity, and control shapes how businesses operate and improves employee satisfaction.We uphold values like ownership, delivering a stellar 7-star experience, and teamwork. At Perk, we believe in the power of curiosity, purpose, and mindset in unlocking your full potential. Our diverse talent team comprises experts from the travel and SaaS industries across 70+ countries. If you are passionate about making a significant impact and transforming the work experience for millions, we invite you to join our team.To learn more about us, visit www.perk.com.In the Platform function at Perk, we establish the foundational infrastructure that supports our entire organization. We manage shared infrastructure, core services, and developer tools that empower product teams to innovate swiftly while ensuring stability. Our contributions may be behind the scenes, but their effects are felt throughout the company in terms of reliability, scalability, security, and developer experience.

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.

About ExoticcaExoticca is an innovative online travel agency that is transforming the way people envision, create, and purchase unforgettable long-distance journeys. Our core mission revolves around the principle of 'creating life milestones.' We are dedicated to offering exceptional value trips, uncovering unique destinations, and curating extraordinary travel experiences, all while showing unwavering care for our customers and the environment.As a rapidly growing, professional, and multicultural team, we are eager to welcome new partners who share our vision in building the most progressive travel company of our generation.Your RoleWe invite you to become a proactive Senior Frontend Engineer who is passionate about crafting high-quality, maintainable code. You will leverage modern tools, including AI, to enhance productivity and efficiency. Your contributions will help us deliver superior frontend experiences, marrying robust engineering principles with a results-driven approach.Key Responsibilities:Develop and deliver high-quality frontend code that is clear, maintainable, and ready for production, guiding features from concept to deployment.Utilize AI-driven tools judiciously for tasks such as prototyping, refactoring, testing, and documentation to accelerate delivery without sacrificing code integrity.Engage in Growth experiments and iterations, facilitating rapid feedback cycles, A/B testing, and continuous enhancement.Collaborate closely with Backend, Product, and Design teams to ensure seamless interfaces, excellent user experiences, and collective accountability for results.Maintain a healthy codebase by refining existing components, addressing technical debt, and elevating quality standards where necessary.Mentor team members through code reviews and knowledge sharing, leading by example and fostering improvement in their skills.

Join the dynamic team at Scopely as a Junior Server Engineer for our exciting game, Yahtzee! With Buddies. In this role, you will have the opportunity to collaborate with a talented group of developers and contribute to the development of innovative gaming experiences.

Join our dynamic team at Veolia Environnement S.A. as a Junior Engineer specializing in Project Planning and Construction. In this role, you will assist in managing various civil works projects, ensuring they meet quality standards and are completed on time and within budget. You will gain invaluable experience working alongside seasoned professionals in a collaborative and innovative environment.

Join our innovative team at Veolia as a Junior Maintenance Engineer. In this exciting role, you'll be responsible for assisting with maintenance operations, ensuring optimal performance of equipment, and contributing to our sustainability goals. If you are passionate about engineering and looking to grow your skills in a dynamic environment, we want to hear from you!

Join our dynamic team at Delivery Hero as a Junior Software Engineer (Android) in the exciting field of Quick Commerce. In this role, you will collaborate with experienced engineers to develop and maintain innovative Android applications that enhance the delivery experience for our customers.Your contributions will help shape the future of on-demand delivery services. If you are passionate about technology and eager to learn, this is the perfect opportunity to kickstart your career!

Eurofins Scientific is seeking a Junior Multilingual Service Desk Engineer for a temporary contract based in Barcelona. This position supports daily IT operations and helps maintain reliable service for a varied client base. Role overview This role centers on providing IT support to users from different backgrounds. Clear communication in multiple languages is essential, as you will handle technical questions and assist with troubleshooting. What you will do Respond to service desk requests from clients and colleagues Communicate solutions and updates in several languages Help resolve technical issues to keep operations running smoothly Requirements Strong verbal and written skills in multiple languages Interest in IT support and customer service Ability to work as part of a team in Barcelona

Join Talan as a Junior Release Manager and play a crucial role in our Engineering & Development IT department. You will support the release management process, ensuring high-quality software delivery through effective coordination and communication. This is an excellent opportunity for individuals keen on advancing their careers in IT management.

Join TransPerfect, an innovative company with a dynamic start-up culture, as we seek talented and entrepreneurial individuals to enhance our team. We are looking for a Frontend Engineer to drive the quality, development, and execution of our software products. If you're eager to make a significant impact in a growing organization, we would love to hear from you!About TransPerfect – TechOps:The TechOps team at TransPerfect has been integral to our success for over a decade, providing technology and services that simplify processes for our clients and colleagues alike. From improving workflows to developing scalable client interfaces, we empower users to navigate complex ecosystems effortlessly.

ABOUT USBased in Barcelona, we connect food and beverage brands with consumers across France, Germany, the UK, Italy, and Spain through innovative In-home Sampling campaigns, Market Research, and Social Media engagement. Our mission? To bring Surprise and Joy to as many homes as possible!We believe that a combination of fun products and great people is what sets us apart. Our work culture emphasizes collaboration, openness, and positivity, where responsibility, proactivity, and pragmatism are highly valued.We stand out by offering an innovative, efficient, and exciting solution for food and beverage brands across Europe, developed by the best professional teams. You could be the next addition to our team!THE ROLEAs a Junior Accountant, you will support the Finance team in executing daily accounting tasks. You will work closely with the Senior Accountant and Finance Manager, assisting with accounting, monthly financial reporting, and helping ensure compliance with administrative, legal, and tax obligations.RESPONSIBILITIESRecord accounting entries throughout the accounting cycle, including bank reconciliations, credit card reconciliations, and cash reconciliations, as well as monthly provisions.Manage Accounts Payable (A/P) and Accounts Receivable (A/R), including invoice processing, payment management, and tracking outstanding invoices.Perform balance sheet account reconciliations and assist in monthly closing activities.Collaborate in audits and documentation requests.

Join the Positive Side of Technology! Known as ZnanyLekarz in Poland and Doctoralia in Spain, we are globally recognized as Docplanner.Our mission is to develop technology that enhances health and longevity. Our innovative products facilitate connections between patients and doctors, streamline clinical workflows, and bolster healthcare systems utilized by millions each month.At Docplanner, engineering is not just about technology; it’s about creating dependable, scalable systems that have a significant human impact. Our solutions influence patients, healthcare professionals, and clinics in crucial, everyday situations, highlighting the importance of quality, discernment, and long-term vision.Looking ahead to 2026, we are enhancing our delivery across various product areas by adopting AI-assisted development, aiming to boost engineering efficiency and elevate our approach to designing, delivering, and evolving systems.Why You Should Consider Joining Us?Imagine the satisfaction of telling your loved ones how your work contributes to a better world. You’ll rest easy knowing your efforts are meaningful and align with your values.We aim to enable healthier, longer lives, starting with your unique contribution. Embracing diverse human experiences enhances healthcare for everyone, and we champion that diversity wholeheartedly. You can choose to work entirely remotely or adopt a hybrid model with our offices located in Barcelona or Warsaw, depending on team allocation.Key Challenges Awaiting YouAs an engineer at Docplanner, you might tackle challenges in the following areas:Marketplace & SearchDevelop a cutting-edge marketplace system, overseeing the entire process from agentic discovery to rebooking. Utilize AI-driven search and onboarding processes to unlock new demand and turn one-time bookings into continuous care pathways.Practice Management Systems (PMS)Create the next-generation software to assist healthcare providers worldwide. Consolidate the current fragmented landscape and harness AI to redefine how doctors can prioritize what matters most: patient care.AI-powered Clinical Tools (Noa Medic)Design AI-driven clinical workflows that exceed basic administrative tasks, establishing essential daily routines for medical professionals.

Join our dynamic team as a Junior Consultant specializing in Macroinvertebrates at AECOM. This is an exciting opportunity for early-career professionals to engage in vital environmental assessments and contribute to groundbreaking projects aimed at preserving aquatic ecosystems.

Join our team as a Junior Hydrogeology Technician, where you will play a pivotal role in environmental and engineering projects. You will work alongside experienced professionals to conduct hydrogeological assessments, support project development, and contribute to sustainable water management solutions.