Senior Frontend Developer - React.js (all genders)

Hi there! Thanks for stopping by 👋

Are you actively looking for a new opportunity? Or just checking the market? Well… you might just be in the right place!

We are looking for a Senior Frontend Developer to join one of our squads where you will be supporting Lightspeed’s Hospitality product group on the mission to expand our reach into new markets and countries while enhancing our advanced hospitality commerce platform.

You will be joining the team driving the Lightspeed L- and G-series products, which power hospitality businesses across Europe and help them deliver exceptional guest experiences. Our mission is to stay ahead of customer needs and evolving regulations, while at the same time modernizing our technology stack to ensure these products remain reliable, scalable, and future-ready.

You will join an international, independent and collaborative team, continuously improving our engineering practices, infrastructure and codebase, all while keeping it fun. Most importantly, your work will directly shape the daily experience of business owners and hospitality guests.

What you'll be responsible for:

• Working alongside some of the most brilliant minds in the industry, you will contribute to the L&G series product by building new features and improving the developer experience.

• Create and ship beautiful, elegant, and functional web applications

• Report to the Development Manager and have frequent interactions with Product Managers, Product Designers, and Platform Teams.

• Take part in daily agile ceremonies, brainstorm on innovative ideas that challenge the status quo, and implement solutions.

• Act as an advocate for the highest code quality and ownership while contributing to the health of the infrastructure.

• Embrace an AI-first development workflow, leveraging prompting to accelerate delivery while critically evaluating, refining, and iterating on AI-generated code.

• Raise the bar and elevate your team by sharing knowledge and best practices while always seeking improvement and progress.

Feel free to take a look at our Tech Stack here.

What you'll be bringing to the team:

• Strong knowledge of JavaScript (ES6+), TypeScript and CSS

• Knowledge of React.js or similar technologies

• Ability to quickly navigate across multiple codebases using diverse frontend technologies (jQuery, Angular, React, ..)

• Solid understanding of cross-browser/platform issues and solutions

• Familiarity with writing unit & e2e tests and ensuring the highest coding standards

• Communication skills in English

Even better if you have, but not necessary:

• Experience in the development of mobile-first applications

• Familiarity with modern cloud infrastructures and monitoring

• A keen eye for UI/UX design

Who you are:

• We look for problem solvers that do not shy away from tackling complexity and love critical thinkers

• You have a strong will to learn, grow and get out of your comfort zone

• You have great energy and passion for technology

What’s in it for you

Come live the Lightspeed experience...

• Ability to do your job in a truly flexible environment;

• Genuine career opportunities in a company that’s creating new jobs every day;

• Work in a team big enough for growth but lean enough to make a real impact.

… and enjoy a range of benefits that’ll keep you happy and healthy:

• Lightspeed share scheme (we are all owners)

• Mental health online platform and counselling & coaching services

• ​​Health and wellness benefit

• Volunteer day to be able to give back to society!

To all recruitment agencies: Lightspeed does not accept unsolicited agency resumes. If we have not directly engaged your company in writing to supply candidates for a specific vacancy, Lightspeed will not be responsible for any fees related to unsolicited resumes.

Lightspeed is a proud equal opportunity employer and we are committed to creating an inclusive and barrier-free workplace. Lightspeed welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

Where to from here?

Obviously, this has to be mutually beneficial: we want you to step into a role you love, and we want to offer you a place you’re proud to come to every day. For a glimpse into our world check out our career page here.

Lightspeed is building communities through commerce, and we need people from all backgrounds and lived experiences to do that. We were founded in 2005, in Montreal’s gay village and our original members were all part of the LGBTQ+ community. The ethos of our business has been about inclusion from the very beginning, and we strive to provide a workplace where everyone belongs.

Who we are:

Powering the businesses that are the backbone of the global economy, Lightspeed's one-stop commerce platform helps merchants innovate to simplify, scale, and provide exceptional customer experiences. Our cloud commerce solution transforms and unifies online and physical operations, multichannel sales, expansion to new locations, global payments, financial solutions, and connection to supplier networks.

Founded in Montréal, Canada in 2005, Lightspeed is dual-listed on the New York Stock Exchange (NYSE: LSPD) and Toronto Stock Exchange (TSX: LSPD). With teams across North America, Europe, and Asia Pacific, the company serves retail, hospitality, and golf businesses in over 100 countries.

Lightspeed handles your information in accordance with our Applicant Privacy Statement.

Andersen is hiring a Full Stack Developer (.NET+React) in Abu Dhabi for a project delivering scalable digital solutions and supporting public-sector transformation.

The customer is a public-sector organization responsible for advancing digital innovation and modernizing services across multiple domains. It supports strategic initiatives in emerging technologies, collaborates with industry and research partners, and develops long-term technology frameworks for improving operational efficiency and service accessibility. The organization focuses on secure, scalable, and sustainable digital development to drive continuous improvement within the broader ecosystem.

The project is focused on supporting digital transformation initiatives in the UAE through the development and enhancement of modern digital solutions. It aims to improve social services, strengthen public engagement, support international relations, and optimize administrative processes through efficient and scalable technologies.

• Designing and developing modern, responsive web applications using Angular + React.js.
• Building reusable and maintainable UI components.
• Integrating frontend applications with RESTful APIs.
• Optimizing application performance and user experience.
• Designing, developing, and maintaining RESTful APIs using ASP.NET Core.
• Implementing business requirements and application logic.
• Ensuring API security, reliability, and performance.
• Designing and maintaining Microsoft SQL Server databases.
• Creating and optimizing tables, views, stored procedures, and queries.
• Ensuring data integrity and database performance.
• Following coding standards and best practices.
• Developing and executing unit and integration tests.
• Troubleshooting and resolving software defects.
• Participating in deployment and releasing activities.

• Professional software development experience for 5+ years.
• Strong experience in .NET Core and React.js.
• Strong experience in .NET Core, REST APIs, application deployment, and DevOps setup and configuration.
• Solid experience with Entity Framework Core.
• Strong knowledge of SQL Server and relational databases.
• Strong understanding of OOP, SOLID principles, design patterns, and enterprise application architecture.
• Experience with authentication and authorization mechanisms (JWT, RBAC, OAuth).
• Experience troubleshooting performance issues and optimizing APIs.
• Good commercial experience with Angular (v14+).
• Strong knowledge of TypeScript, JavaScript (ES6+), HTML5, CSS3, SCSS.
• Experience with React Hooks and modern Angular features.
• Experience with state management approaches (Redux, NgRx, Context API or similar).
• Understanding of responsive web design and reusable UI component development.
• Strong understanding of frontend performance optimization.
• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field.
• Experience delivering enterprise web applications.
• Strong analytical and problem-solving skills.
• Ability to work effectively in Agile teams.
• Strong communication skills and ability to collaborate with technical and non-technical stakeholders.
• Level of English – from Upper-Intermediate and above.

• Experience in Angular and React Native/mobile development (React.js as the primary frontend technology).
• Experience with CI/CD pipelines, IIS, and related deployment environments.
• Experience with Azure services.
• Experience with Docker and Kubernetes.
• Experience with message brokers (RabbitMQ, Azure Service Bus).
• Experience with Next.js.
• Experience with micro-frontend architecture.
• Experience building high-load or distributed systems.
• Experience working with government or enterprise digital transformation initiatives.
• Previous experience working with UAE customers or projects.

• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..
• The opportunity to change the project and/or develop expertise in an interesting business domain.
• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
• Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
• The opportunity to earn up to an additional 1,000 EUR per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities.
• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
• Certification compensation (AWS, PMP, etc).
• Referral program.
• Private health insurance and sports compensation, depending on the type of employment.

Join us!

Andersen is hiring a Frontend Developer (React) with German for a project developing a modern HR management platform and enhancing its web capabilities and user experience.

Our customer is an established technology provider developing cloud-based software solutions that help organizations manage and optimize workforce-related processes. Its platform brings together automation, data management, analytics, and digital workflows to simplify everyday operations and reduce administrative effort. By combining modern technology with industry expertise, the company helps businesses improve process efficiency, maintain reliable and compliant operations, and make better use of organizational data.

The project is focused on developing and enhancing a comprehensive HR management platform that enables companies to manage administrative and strategic HR processes digitally and efficiently. It aims to deliver an intuitive and reliable user experience for HR teams, managers, and employees while continuously improving the platform’s web capabilities.

• Developing and enhancing the frontend of a central HR solution.
• Building and maintaining modern, user-friendly web interfaces and frontend functionality.
• Collaborating closely with the Scrum team to continuously improve the product and maximize value for users.
• Contributing to frontend technology decisions and ensuring the quality, maintainability, and performance of the web application.
• Participating in Scrum ceremonies, technical discussions, code reviews, and continuous improvement activities.

• Professional experience in frontend development for 2+ years.
• Proficiency in React.js and TypeScript.
• Good knowledge of HTML and CSS.
• Experience with React Hook Form and TanStack Query (React Query).
• A team-oriented mindset and enthusiasm for building high-quality software solutions.
• A passion for sharing knowledge, supporting colleagues, and empowering other team members.
• Level of English – from Intermediate+ and above.
• Level of German – from Intermediate+ and above.

• Knowledge of Material UI or other component libraries.

• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..
• The opportunity to change the project and/or develop expertise in an interesting business domain.
• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
• Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
• The opportunity to earn up to an additional 1,000 EUR per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities.
• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
• Certification compensation (AWS, PMP, etc).
• Referral program.
• Private health insurance and sports compensation, depending on the type of employment.

Join us!