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Senior Software Developer



15d ago

  • Job
    Senior Level
  • Software Engineering
  • £70K - £80K
  • London
  • Quick Apply

AI generated summary

  • You must have 5+ years’ ReactJS experience, expertise in NodeJS, knowledge of MobX/Chakra Ui, clean code/testing skills, NoSQL/ AWS proficiency, a passion for tech collaboration, and strong communication abilities.
  • You will develop high-quality solutions in a collaborative agile team, combining user needs with business requirements. Work across the stack with ReactJS, NodeJS, AWS, and more to advocate best practices and shape technology roadmap.


  • We are looking for someone with profound knowledge of React who also loves sharing knowledge and coaching junior team members. You are a tech enthusiast at heart and collaborating with others is your preferred approach to work.
  • 5+ years’ professional experience developing mobile-ready websites using ReactJS (in Typescript a plus).
  • Hands-on experience working on highly scalable applications using NodeJS.
  • Familiarity with MobX and Chakra Ui would be a plus.
  • Experience with design patterns, clean code, automated testing (unit, integration, e2e) using Jest & Cypress, and CI/CD.
  • Knowledge using NoSQL databases.
  • Comfortable with cloud-based applications, particularly in AWS.
  • A keen interest in Infrastructure as Code with real-world experience a plus
  • Have strong written ability and excellent communication skills.


  • The Tech Team is responsible for ensuring that our cloud-based clinical system is built to the highest standards. The team works closely with Business and Product stakeholders, utilising a hybrid lightweight Agile methodology. You will join a group of developers with the goal of doing quality work and daily improvements:
  • Developing and designing solutions as part of an agile team,
  • Combining user needs with business requirements and ensuring their technical feasibility,
  • Working alongside designers, product owners and other team members to identify technical challenges early on and plan new solutions,
  • Working across the entire application stack with ReactJS, NodeJS, SASS, GraphQL, AWS CDK and TypeScript
  • Advocating for recognised best practices based on clean, testable and maintainable code,
  • Participating in code reviews to ensure code quality and dissemination of knowledge,
  • Influencing and helping shape the roadmap for technology and business requirements.


What programming languages and technologies will I be working with as a Senior Software Developer?

As a Senior Software Developer, you will be working with ReactJS, NodeJS, SASS, GraphQL, AWS CDK, and TypeScript across the entire application stack.

What experience and skills are required for this role?

We are looking for someone with 5+ years of professional experience in developing mobile-ready websites using ReactJS, hands-on experience with NodeJS, knowledge of design patterns, clean code practices, automated testing, CI/CD, NoSQL databases, AWS, and a keen interest in Infrastructure as Code.

What benefits and perks are offered with this role?

The benefits and perks offered with this role include a £70-80k package, 36 days off including holidays and extra days, company equity, private health insurance, a hybrid and flexible work environment, the latest tech equipment, an inspiring team, a fantastic office space in Central London, and various office amenities.

Healthcare businesses of all sizes use Semble’s software and APIs to manage every aspect of their practice.

Founded Year

Mission & Purpose

Healthcare businesses of all sizes, from individual clinicians to large enterprises, use Semble’s software and APIs to manage every aspect of their practice. Our vision is to empower health professionals in their daily work to continuously improve the quality of their care delivery. In this process, we aim to learn from medical data to further benefit health professionals, patients and clinical research.


  • Work From Home

  • 36 Days Off

  • Private Health Insurance