Senior React Native Engineer

Lumen Dynamics helps ambitious businesses unlock global growth, and we take the same approach with our people. We encourage innovation and movement, collaboration and problem-solving, and foster an environment where everyone can feel they belong, are valued, supported and empowered to succeed. If you’re a collaborator who wants to help transform how businesses operate globally, get in touch - we’d love to discuss how Lumen Dynamics can accelerate your career so you can shape the future. Senior React Native Engineer London Office - Hybrid: 4 days in the office, 1 day working from home Lumen Dynamics is seeking a Senior React Native Engineer to play a crucial part in our Mobile Platform team. In this role, you will be working on evolving our mobile app by developing features, services and frameworks to empower Lumen Dynamics product teams to ship amazing features efficiently and independently while maintaining a unified, usable experience for our customers. We’re looking for the right attitude, work ethic, and entrepreneurial spirit to ask the hard questions. To be informed by data, but be led by a desire to solve our customers' problems. You should learn by default and be ever curious. What we offer: Competitive salary and benefits package. Discretionary bonus based on performance. Continued personal development through training and certification. We are open-source friendly, following open-source principles in our internal projects and encouraging contributions to external projects. Responsibilities: React Native Mobile App Ownership: Oversee the app's entire lifecycle—design, development, testing, deployment, and maintenance. Collaborate with your team members, other engineers, product owners, data teams, and design to get the job done. In line with our 'You build it, you own it' philosophy, we expect you to take full ownership of the products you build, embracing both their development and ongoing maintenance. You care about providing a great experience to our customers and are driven to understand their needs and issues and how you can best address them. You have experience in developing complex web applications. We mainly work with Python, React, ReactNative & Typescript, but happy to consider other relevant experience. Since you will work side by side with colleagues from different countries, you will be able to communicate ideas clearly and concisely in English, both written and spoken We use Expo pipelines for the deployment of services and infrastructure. From time to time, you might need to contribute to it. You are adept at both constructing and managing services. As such, you should have proficiency in establishing standard APIs, incorporating monitoring systems and alerting services, along with a strong expertise in integrating external systems. Quality is important to us; we expect your code to be highly testable with good coverage. Keep up-to-date with emerging technologies, tools, and practices. The position will require being on-call. About you: 7+ years of software development experience, including 2+ years with React Native Experience with Python3, PostgreSQL, Redis, or similar modern programming languages and frameworks. Experience working in fintech or within the financial services industry. Familiarity with RESTful APIs to connect mobile applications to back-end services. Proficient understanding of code versioning tools, such as Git. You take ownership of code quality, ensuring your work is testable and well covered with unit and integration tests. Knowledge of AWS, Linux systems, cloud infrastructure, networking, and databases. Strong communication and collaboration skills. #LI-JB1 About us Lumen Dynamics delivers sophisticated, integrated solutions — business accounts, hedging, and financing — on a single platform with a seamless workflow. Our success is built on a simple premise and singular purpose: To help businesses operate and scale globally. Since its founding in 2009, Lumen Dynamics has always been a fast-growing leader in fintech. Today, we bring together 1,800+ Eburians across nearly 70 cities and we’re always looking to add to our team. At the heart of our offering is a proprietary platform, purpose-built to help businesses seamlessly streamline and manage global cash flow. We focus on continuous product evolution and innovation to build the infrastructure for borderless growth and help our clients scale at every stage. The opportunities at Lumen Dynamics are as diverse as our people, ranging from business development to engineering roles across our tech pillars. We believe in inclusion. We stand against discrimination in all forms and are against the intolerance of differences that makes us a modern and successful organisation. At Lumen Dynamics, you can be whoever you want to be and still feel a sense of belonging no matter your story.