Join ONI and Explore the Boundaries of Scientific Discovery!

At ONI, we are driven by a profound mission: to propel scientific discovery and combat diseases by granting everyone the ability to visualize, comprehend, and share the intricate microscopic details of life. Our revolutionary Nanoimager and Aplo Scope stand at the forefront of advancing cellular studies on a molecular level, making substantial contributions to the evolution of scientific knowledge.

We dedicate ourselves to broadening the realms of human potential, and we are actively seeking an enthusiastic and devoted Senior Software Engineer to join our pioneering team located in Oxford. We believe in the power of relentless curiosity and the pursuit of excellence, and we invite you to join us in shaping the future of scientific exploration and healthcare breakthroughs.

In this role you will build intuitive, scalable, and high-performance software solutions for the automation of super-resolution microscopy. You'll work closely with Product, UX, QA, and backend engineers to deliver exceptional user experiences while leveraging modern AI-powered development practices. This role is ideal for an engineer who enjoys solving complex technical problems, takes ownership of product outcomes, and thrives in a collaborative, fast-paced environment.

Your Role at ONI:

Design, develop, test, and maintain modern applications using React, TypeScript, and JavaScript.

Build reusable, maintainable UI components and scalable frontend architectures.

Contribute to architecture for building end-to-end systems optimized for speed and scale.

Contribute to CI/CD pipelines and frontend automation.

Champion engineering best practices including testing, accessibility, performance optimization, and maintainable code.

Participate in all aspects of agile software development, including design, implementation, and deployment.

Ensure application performance, uptime, and scale, and maintain high standards for code quality and application design.

Provide mentorship and guidance to junior engineers

Collaborate closely with Product Managers, UX designers, scientists, and backend engineers to translate user needs into high-quality software.

Essential skills and qualifications:

Bachelor’s degree in Computer Science, or related field.

Minimum of 5 years experience as front end developer.

Demonstrated expertise and experience in building large scale applications.

Experience in designing and integrating RESTful APIs and asynchronous programming.

Excellent programming skills in the following: React, JavaScript, Typescript

Experience with state management solutions (Redux, Zustand, React Context or similar).

Familiarity with database technology such as Postgress/MongoDB/MySQL.

Experience writing unit, integration, and end-to-end tests.

Familiarity with Git-based development workflows and CI/CD.

Excellent analytical and problem-solving skills with focus on clean code.

AI-Native Development

We embrace AI as a force multiplier for engineering productivity. Successful candidates should be comfortable using AI-assisted development throughout the software lifecycle, including:

GitHub Copilot, Cursor, Claude, ChatGPT or similar AI coding assistants.

AI-assisted code generation, refactoring, debugging, code reviews, and documentation.

Prompt engineering and effective AI workflows.

Critical evaluation and validation of AI-generated code.

Leveraging AI to improve developer productivity while maintaining high engineering standards.

Essential behaviours: We're looking for engineers who:

Take ownership and deliver results.

Build software with quality, simplicity, and maintainability in mind.

Enjoy collaborating across disciplines.

Are curious, continuously learning, and open to adopting new technologies.

Embrace AI as part of modern software engineering.

Care about customer outcomes as much as technical excellence.

Desired skills and qualifications:

Experience of developing embedded software/hardware-software integrated solutions.

Experience building data-intensive or scientific applications.

Experience with cloud platforms (Azure, AWS or GCP).

Familiarity with containerised development (Docker).

Experience with component libraries (Mantine, Material UI, Chakra UI or similar)

Knowledge of GRPC framework or other IPC frameworks.

At ONI, we understand that a fulfilling career involves more than just challenging work - it's about enjoying a well-rounded experience. When you become a part of our team, you not only contribute to groundbreaking research but also enjoy a range of benefits designed to enhance your life both inside and outside the workplace. As an equal opportunity employer, we prioritize fairness and respect, ensuring every team member thrives regardless of their background. But that's not all - our perks include: 💰 Competitive Compensation We recognise and reward your talent. Enjoy a competitive salary that reflects your expertise and contributions, ensuring your hard work is recognized. 🌴 Time Off That Counts 28 days of annual leave plus bank holidays and 4 dedicated wellbeing days! 💪 Onsite Gym Facilities Stay active and energized with our convenient onsite gym, promoting your overall health. 🩺 Private Healthcare and Dental Coverage Your health matters to us. Access top-notch medical and dental services, ensuring your well-being is in good hands. 🤝 Inclusive Culture Be a valued member of our diverse, inclusive family. Your unique perspective is celebrated here, fostering a culture of mutual respect and understanding. 🧠 Health Assured Your mental health is essential. Access our comprehensive mental health support services for a balanced work-life experience. 🏦 People’s Pension Secure your future with our pension scheme, investing in your financial well-being beyond the workplace. 🎁 Perks at Work Enjoy exclusive discounts and deals through our perks at work program, adding value to your everyday life. If you are driven by innovation, eager to make a significant impact in the realm of scientific and medical research, and possess the skills and passion we are looking for, we invite you to apply and be a part of our mission to improve our understanding of the details of life.

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Senior Software Engineer (Front End)