Senior Software Engineer

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Location: London, UK (only candidates located in London or nearby will be considered for this role)

Job Type: Full-Time

Work Model: Hybrid

Industry: Data Infrastructure and Analytics

Founded in 1995, Zema Global Data Corporation empowers organizations to simplify complexity, reduce risk, and make faster, more confident decisions that drive measurable results. Over the past two years, Zema Global has accelerated its growth through strategic investment and acquisition to strengthen our global leadership. Together we’re helping our customers gain a Decisioning Advantage – one bold idea at a time.

With a presence across global energy, commodity, and financial markets, Zema Global empowers customers to simplify complexity, reduce risk, and make faster, more confident decisions that drive measurable results.

At Zema Global, we Think Big, Make It Happen, and Win as One. We thrive on collaboration, creativity, and respect, united by a shared drive to innovate and deliver meaningful impact for our customers and communities. If you’re inspired by solving complex challenges and contributing to a culture that values purpose and performance, we invite you to join us.

We are seeking an experienced Senior Software Engineer to help lead the development and evolution of the cQuant platform. In this role, you will design, implement, and optimize complex features across the full stack while mentoring other developers and influencing technical direction. You’ll contribute to building high‑performance, scalable, and secure solutions that serve our energy analytics customers worldwide.

• Lead the design and development of critical features across both frontend (React.js) and backend (Node.js/Express, Python, Golang) systems.
• Guide the team in applying Agile development practices and ensure delivery of high‑quality, maintainable code.
• Translate complex business requirements and wireframes into robust, production‑ready solutions.
• Implement cloud‑native solutions leveraging AWS, Azure, or equivalent cloud platforms.
• Oversee integration of frontend components with server‑side logic and APIs.
• Mentor junior and mid‑level engineers, promoting best practices in coding, testing, and Dev Ops.
• Drive improvements in team processes, tooling, and infrastructure.
• Champion secure development practices and implement modern approaches for data protection.
• Collaborate closely with product owners, designers, and stakeholders to deliver features that meet both technical and business goals.

• Modern web application architecture – solid understanding.
• Linux environments, containerization, and CI/CD pipelines – strong grasp.
• Experience architecting and deploying cloud‑native applications (AWS, Azure, or similar).
• Proficiency with databases such as PostgreSQL
  , including schema design and optimization.
• Proven track record in performance optimization, benchmarking, and scalability design
  .
• Advanced use of Git and version control best practices.

• Bachelor’s degree in computer science, mathematics, or related field (or equivalent practical experience).
• 7+ years of professional software development experience building and scaling complex web applications.
• Prior experience leading projects or mentoring engineers – strongly preferred.

• Strong analytical and problem‑solving skills, with ability to balance technical and business trade‑offs.

• 25 Days Annual Leave + Public Holidays.
• Professional Development & Learning Opportunities.
• Eligible for discretionary performance‑based bonus.

If you’re excited about this opportunity, send us your application highlighting your qualifications and experience relevant to the role and we’ll get back to you as soon as possible. (We only accept CVs in English.)

We appreciate all applications but only shortlisted candidates will be contacted for further consideration.

No agency calls or agency CV submissions. We’re looking forward to seeing how you can make an impact with us!

No visa sponsorship is available for this position

Zema Global is committed to diversity and inclusion. We encourage applications from all qualified individuals and do not discriminate based on race, gender, sexual orientation, disability, or any other protected status.

Mid‑Senior level

Full‑time

Information Technology

Data Infrastructure and Analytics