Senior Software Engineer

Job Title: Senior Software Engineer

Location: Remote, UK

Salary: £120,000 – £130,000

The Company

We are working with a high-growth, early-stage B2B data technology company that helps organisations unlock their next stage of growth through highly actionable and relevant data insights.

Their platform aggregates and processes data from hundreds of online sources, creating a real-time and continuously updated view of commercial opportunities. By eliminating the need for thousands of hours of manual research, they enable customers to identify new opportunities, better understand their markets, and generate demand more effectively.

With strong market traction and an impressive client base of fast-scaling B2B businesses, the company is now expanding its core engineering team to accelerate platform development and meet growing demand.

Roles & Responsibilities

• Take ownership of business problems from discovery through to design, implementation, and release of critical platform features.
• Design and develop scalable, efficient solutions primarily using JavaScript/TypeScript and cloud-based technologies.
• Work across the full stack, comfortably switching between frontend, backend, DevOps, and data engineering tasks as required.
• Process and manage large datasets, ensuring performance, reliability, and scalability.
• Evaluate trade-offs between complexity, development effort, and business value when implementing new features.
• Collaborate closely with product, engineering, and wider business teams in a small, fast-paced environment.
• Clearly communicate technical concepts, risks, and trade-offs to both technical and non-technical stakeholders.
• Contribute to architectural decisions and continuous platform improvement.

Your Skills & Experience

• 5+ years’ professional experience in software development with a strong track record of delivering impactful projects.
• High proficiency in JavaScript and TypeScript.
• Strong experience working with modern cloud infrastructure and services.
• Experience processing large datasets and strong SQL capability.
• Solid experience with modern frontend frameworks (React preferred).
• Comfortable working across multiple parts of the technology stack.
• Strong bias toward action with the ability to thrive in a startup environment.
• Excellent communication skills and ability to explain complex concepts clearly.
• Experience working in a remote-first team within the UK.

Company Benefits

• £120,000 – £130,000 salary.
• Fully remote-first working environment (UK-based), with optional hybrid access to a London office.
• Opportunity to work in a high-growth, early-stage company with immediate impact on product direction.
• End-to-end ownership of features and business outcomes.
• Direct collaboration with experienced founders and senior leadership.
• Exposure to a wide range of technologies across the platform.
• Clear, structured hiring process with prompt feedback throughout.