Senior Frontend Engineer

Join TransPerfect, a well-established company that embodies a dynamic start-up culture, and become part of a team that values creativity and entrepreneurial spirit. We are currently seeking a Junior Frontend Engineer to enhance our global team, where you will play a pivotal role in the quality, development, and execution of our software products. If you're e…

Join Dashlane as a Junior Frontend Software Engineer, where you'll play a vital role in creating seamless user experiences. You will collaborate with a dynamic team of developers and designers to build innovative web applications that delight users. If you're passionate about frontend technologies and eager to learn in a fast-paced environment, this is the perfect opportunity for you.

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

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

Join the Air Apps TeamAt Air Apps, we are driven by innovation and the desire to redefine how individuals manage their resources. Founded in 2018 in Lisbon, Portugal, our family-oriented company is on a groundbreaking mission to develop the world's first AI-powered Personal & Entrepreneurial Resource Planner (PRP). With over 100 million downloads globally, we are focused on pushing the boundaries of AI-driven solutions that enhance the way people work, plan, and live.We seek creative minds who are passionate about creating impactful products that empower users worldwide. Be a part of our journey to transform resource management and make a difference in people's lives.Your RoleAs a React Engineer, you will be at the forefront of developing responsive and accessible user interfaces for our web applications. Collaborating with designers, product managers, and backend engineers, you will convert wireframes and prototypes into high-quality, stable, and scalable front-end experiences that will delight our users.This posting is intended to expand our talent pool as we prepare to officially launch this position. We will reach out to you once the job is posted.Key ResponsibilitiesUser Interface Implementation: Create high-quality, responsive user interfaces that adhere to design specifications, ensuring compatibility across various browsers and devices.Frontend Development: Develop and maintain code utilizing modern JavaScript frameworks and libraries (e.g., React, Vue.js, Angular) alongside HTML5, CSS3, and principles of responsive design.Performance Enhancement: Continuously optimize page load times, rendering performance, and overall user experience.API Integration: Work collaboratively with backend teams to integrate RESTful/GraphQL APIs, ensuring seamless data flow between the client and server.Accessibility and SEO Focus: Adhere to best practices for accessibility (WCAG standards) and search engine optimization to enhance user reach.Testing and Code Maintenance: Write unit, integration, and end-to-end tests (e.g., Jest, Cypress) to uphold high-quality standards, and participate in code reviews.

Renesa Electronics seeks a Senior Frontend Engineer based in Lisbon to develop and enhance web applications. This position plays a key part in shaping user experiences by collaborating with teams throughout the company. Role overview The Senior Frontend Engineer will take responsibility for building and refining web-based products. Technical expertise in modern frontend technologies is essential, as the work directly influences both the direction and quality of projects. Collaboration Expect to work closely with colleagues from various departments. Cross-team communication and cooperation are central to delivering software that serves users effectively. Requirements Strong background in current frontend technologies Experience building and improving web applications Ability to collaborate with diverse teams Based in Lisbon

TransPerfect is searching for a Frontend Engineer to join its team in Lisbon. This position centers on building, improving, and maintaining software products that support both internal teams and clients worldwide. Role overview The Frontend Engineer will focus on the quality, development, and execution of user-facing software. The work involves collaborating with a global team to deliver interfaces that help users, regardless of experience, navigate complex systems with ease. The role offers the chance to contribute directly to products that impact both colleagues and clients. About the TechOps team TechOps has been central to TransPerfect's growth for over ten years. The team delivers technology and services that streamline workflows for staff and power the GlobalLink platform. A key priority is building scalable client interfaces that make sophisticated tools accessible to all users. Who we're looking for Engineers who enjoy working in a collaborative, global environment People interested in shaping software that supports both clients and internal teams Those ready to make an immediate impact within a growing organization

TransPerfect is hiring a Frontend Engineer to join the team in Lisbon. This role centers on building and improving software products that support both clients and internal teams worldwide. The position offers a chance to work in an established company with a start-up spirit, where new ideas and initiative are valued. Role overview The Frontend Engineer will focus on the quality, development, and execution of software products. The work involves collaborating with a global team to deliver technology and services that simplify workflows and improve user experiences. Projects range from enhancing the GlobalLink platform to creating scalable interfaces that help users navigate complex systems. About the TechOps team TransPerfect’s TechOps group has driven technology success for over ten years. The team is responsible for developing solutions that streamline processes for clients and colleagues alike. By working on both established platforms and new client-facing tools, TechOps remains central to the company’s ongoing innovation. What we look for Interest in frontend engineering and software quality Ability to contribute to development and execution of software products Entrepreneurial mindset and eagerness to make an impact Candidates eager to help shape technology in a global company are encouraged to apply.

Renesa Electronics seeks a Frontend Engineer with Angular expertise to join the Lisbon team. This role centers on building and refining web applications that deliver reliable, user-friendly experiences for customers. Collaboration is key, as projects move forward with input from both engineers and stakeholders. What you will do Design, develop, and maintain web applications using Angular Translate requirements into functional features by working closely with colleagues and stakeholders Suggest and implement improvements to usability and performance Requirements Professional experience working with Angular Solid understanding of frontend technologies Comfort working in a collaborative, team-based environment This position is located in Lisbon.

About Easyship: Easyship is a leading multi-carrier shipping platform dedicated to making global eCommerce seamless and accessible. Established in 2014, we aim to simplify logistics by eliminating the complexities and hidden costs associated with international shipping. Trusted by over 100,000 brands, our platform serves as a centralized hub for global trade, connecting users with over 550 courier services across more than 200 destinations. We are a dynamic, award-winning team recognized by Forbes 30 Under 30 and TechInAsia’s Best Startup, with offices in major cities including London, New York, and Hong Kong. As we continue to expand, we prioritize transparency and foster a culture of innovation, inviting you to tackle complex challenges at scale. Who We Are Looking For: At Easyship, our engineering philosophy emphasizes the integration of advanced technical expertise with AI-driven workflows. We seek a Senior Frontend Engineer who is not just a coder but a visionary architect. You will leverage AI tools (such as Copilot, Cursor, and LLMs) to enhance productivity and deliver robust, scalable systems at an accelerated pace. In this role, you will significantly influence our customer-facing platform, lead frontend architectural decisions, ensure code quality, and shape the technical trajectory of our frontend stack, which includes React.js, TypeScript, and Vite. As a mentor, you will guide your team in mastering advanced React patterns and the evolving field of AI-assisted development.

Important Notice: Fraudulent job postings can appear on various platforms. To ensure your application is considered, please apply exclusively through Sensor Tower's official website or authorized postings on sites like LinkedIn, Indeed, BuiltIn, or Hackajob. We will never request payment or financial information during the application process. All communications from Sensor Tower will come from email addresses ending with sensortower.com. Interviews will be conducted via phone or Zoom, and we will not transition conversations to any other email or text service. If you encounter any issues, feel free to reach out to us. Please include your resume with your application.To Recruitment Agencies: Sensor Tower does not accept unsolicited third-party resumes. Please refrain from sending resumes to our job aliases or to any Sensor Tower employees. We are not liable for any fees related to unsolicited applications.About the Role:Are you passionate about developing products that interact with extensive real-world data?At Sensor Tower, we handle vast amounts of data to deliver insights that thousands of clients rely on. We are seeking inquisitive and motivated early-career engineers eager to enhance their skills while collaborating on the creation of fast, reliable systems that simplify data accessibility and comprehension.You will work closely with seasoned engineers, contribute to significant features from the outset, and gain insights into the design, construction, and optimization of large-scale systems in a production environment.If you thrive on learning, solving challenges, and delivering software that users depend on, we would love to connect with you. We have a proven track record of nurturing talented juniors and this position provides a unique opportunity to work alongside senior leadership.Our Engineering PhilosophyWe adhere to the principle that 'Simplicity is crucial for reliability.' We seek engineers who share our core values:- Simplicity: We favor straightforward solutions and prefer utilizing existing tools over unnecessary complexities.- Quality: We produce code that is easy to read, understanding that code is written once but read multiple times. We prioritize quality and strive for excellence in our work.

Role overview ComplyAdvantage seeks a Junior Machine Learning Engineer for its Lisbon, Portugal office. This position helps develop machine learning tools that support compliance processes. Collaboration is central to this role. Work closely with experienced engineers and data scientists on projects that involve building predictive models and implementing algorithms tailored for compliance technology. What you will do Support the creation and improvement of machine learning tools for compliance workflows Contribute to building predictive models that address compliance challenges Implement algorithms in partnership with other team members Team and environment Join a group of engineers and data scientists focused on advancing compliance technology through practical machine learning solutions.

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.

Join our innovative client project in Lisbon as a Junior Mechanical Engineer (M/F). This role is ideal for recent graduates or individuals with up to one year of experience who are eager to enhance their engineering skills within a dynamic team environment.Your responsibilities will include:Contributing to the design, development, and implementation of mechanical solutions;Conducting calculations and simulations to validate design concepts;Assisting in the management of technical documentation and reports;Collaborating with multidisciplinary teams to guarantee project quality and efficiency;Monitoring the production and installation processes of mechanical components.

Join the dynamic team at Fundraisr as a Junior Full-Stack Software Engineer in Lisbon! This pivotal role aims to enhance our modular, service-oriented architecture while scaling a platform that has impressively achieved $1M ARR.Your mission will be to transition our platform to a high-performance, enterprise-grade ecosystem that streamlines the fundraising lifecycle through the power of automation and AI.Key Responsibilities:Develop and refine our React 18 Single-Page Application using TypeScript and Vite to ensure efficient production builds.Oversee backend logic with Node.js Vercel Serverless Functions and design the database API layer utilizing Supabase and PostgreSQL.Integrate features leveraging OpenAI and Anthropic APIs for campaign classification and personalized outreach generation.Facilitate bi-directional synchronization with SmartLeads, and create OAuth infrastructures for Google and Microsoft integrations.Implement Row-Level Security (RLS) for multi-tenant isolation and prepare our infrastructure for GDPR compliance and SOC 2 certification.

Join our dynamic team as a Junior Electrotechnical Engineer (M/F) and embark on a thrilling journey within a client project based in Lisbon. This position is an excellent opportunity for recent graduates or individuals with up to one year of experience who are eager to launch their careers in a vibrant, growth-oriented environment.Responsibilities include:Assisting in the design and implementation of innovative electrical systems and circuits.Contributing to troubleshooting and optimizing electrical systems for improved performance.Developing and maintaining comprehensive technical documentation.Conducting tests and inspections to ensure adherence to quality and safety standards.Collaborating with engineers and other stakeholders to effectively deliver projects.

Join Our Team at Kaizen GamingKaizen Gaming, the driving force behind Betano, stands as one of the largest GameTech companies globally, actively engaging in 19 markets. Our commitment to harnessing advanced technology allows us to deliver exceptional experiences to millions of customers who rely on us for their entertainment.With a vibrant team of over 2,700 Kaizeners from more than 40 nationalities across three continents, we take pride in our diversity and innovation. Recognized as one of the Best Workplaces in Europe, and certified as a Great Place to Work, our environment promises excitement and growth every day. Are you ready to Press Play on your potential?About the RoleDesign, develop, and maintain high-quality, efficient, and reusable code.Create interfaces that connect components of diverse subsystems within a high-transaction production environment.Optimize application performance, quality, and responsiveness.Diagnose and resolve bottlenecks, bugs, and complex challenges.Our Technology StackOur services are primarily developed using C# / ASP.NET, with newer implementations utilizing .NET Core. The front-end is powered by Vue.js for new applications, while legacy systems employ server-rendered (Razor) views combined with jQuery and Knockout.js. We rely on MS SQL Server for data storage, complemented by Redis and ElasticSearch when appropriate. RabbitMQ serves as our message broker, and we utilize GitLab for version control and CI, alongside the Atlassian suite for ticketing and documentation.Your QualificationsA minimum of 1 year of development experience with C# / ASP.NET / MVC (either full framework or .NET Core).Fundamental understanding of web technologies, such as HTTP.Experience in data access, including databases and APIs.Familiarity with unit testing is a plus.Perks of Joining Kaizen Gaming Flexible hybrid working model. Personalized onboarding support through a buddy system. Attractive salary package with performance-based bonuses.‍ Comprehensive health and life insurance for you and your family. Monthly meal allowance.⭐ Continuous development through our 360° feedback framework. Unlimited access to Udemy and ongoing training opportunities.

Join our dynamic team at tgs as a Junior Software Engineer where you will play a crucial role in ensuring the quality and execution of our innovative software products. As part of a global technology department, you'll collaborate with a talented and diverse group of professionals located in cities such as Barcelona, New York, London, Manchester, Bucharest, and India. If you're eager to be part of a rapidly growing company and make a meaningful impact, we would love to hear from you!About TransPerfect – TechOps:The TransPerfect TechOps team is integral to our success, having provided essential technology and services for over a decade. We are dedicated to simplifying workflows for our colleagues and delivering core services that empower our clients through the GlobalLink platform, offering scalable interfaces that make complex ecosystems accessible to all users.

We are seeking enthusiastic and skilled Junior Software Engineers to join our team in crafting innovative SaaS-based solutions aimed at combating money laundering and financial crime. Our mission is to unveil the truth and create a safer world by ensuring that illicit funds do not reach the hands of wrongdoers.As a Junior Software Engineer, you will:Collaborate with a talented team of software engineers.Develop new features that empower our platform to analyze data about individuals, apply machine learning models to classify behaviors, and integrate this with our existing datasets. Your contributions will assist our clients in identifying negative actions, understanding what occurred, and pinpointing when these actions took place.Play a key role in delivering new functionalities and maintaining our platform while we innovate with new technologies and scale our operations.Quickly learn and adapt to the technologies we employ for coding and deploying to Kubernetes.Engage in sprint planning and demonstrate the features you’ve developed to stakeholders.Take ownership of your code quality, ensuring rigorous testing and maintaining system integrity.Follow and propose enhancements to best practices for transitioning code from initial requirements to deployed services in production.Our Tech Stack:We utilize a technology stack optimized for public cloud architectures, particularly AWS and GCP.Kotlin is our primary language for backend services development.Our database technologies include significant use of relational databases like Postgres and a distributed SQL database, Yugabyte.We employ an event-sourced model with Kafka for our communication bus and gRPC for intra-service communication.Modern observability solutions are built on Grafana Cloud, and we utilize ArgoCD for code deployment.We prioritize engineering excellence, striving to deliver the highest quality code and solutions to our customers.