Fuse Energy

Company Name: Fuse Energy
Job Title: Senior/Lead Backend Engineer
Job Description: **Job Title:** Senior/Lead Backend Engineer **Role Summary:** Design, develop, and maintain high‑availability backend systems that power a next‑generation renewable energy platform. Collaborate closely with product teams to deliver real‑time digital twins, messaging interfaces, high‑volume data pipelines, and the core services of a consumer energy application. Drive technical ownership, adapt quickly to evolving business needs, and ensure robust, scalable infrastructure. **Expectations:** - Demonstrate excellence in software engineering with a strong ownership mindset. - Communicate clearly across cross‑functional teams. - Adapt to rapidly changing requirements and prioritize delivery of critical features. - Lead technical decisions and mentor junior engineers when applicable. **Key Responsibilities:** - Build and operate a real‑time digital twin of renewable generation and customer demand. - Develop and maintain messaging integrations with third‑party providers. - Design high‑throughput pipelines for processing large volumes of energy consumption data. - Implement and evolve the backend services for a consumer‑facing energy application. - Ensure systems are highly available, resilient, and performant in production. - Contribute to infrastructure automation and best practices (e.g., IaC). **Required Skills:** - 2+ years of professional experience as a backend/software engineer. - Proven ability to design and ship complex, production‑grade systems. - Strong proficiency in at least one backend language/framework (e.g., Node.js, Python, Go, Java). - Experience with cloud platforms (AWS, GCP, Azure) and building highly‑available services. - Solid understanding of APIs, messaging queues, and data pipelines. - Familiarity with monitoring, logging, and incident response processes. - Excellent written and verbal communication skills. **Bonus Skills:** - Experience with infrastructure‑as‑code tools such as AWS CDK, Terraform, or CloudFormation. - Background in the energy sector or related domains. - Track record delivering consumer‑facing products. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Engineering, or a related technical field, **or** equivalent professional experience. - Relevant certifications (e.g., AWS Certified Solutions Architect) are a plus but not mandatory.

London, United kingdom

Hybrid

Senior

25-12-2025

Company Name: Fuse Energy
Job Title: Senior Front-End Engineer
Job Description: **Job Title** Senior Front‑End Engineer **Role Summary** Lead the design, development, and delivery of responsive, high‑performance web applications for a renewable energy platform using React, TypeScript, and Next.js. Collaborate closely with backend, product, and design teams to create intuitive consumer‑facing experiences, contribute to product strategy, and drive a clean‑energy technology vision. **Expectations** - Deliver stable, scalable UI components that meet performance benchmarks. - Exhibit strong ownership of code quality, testing, and documentation. - Communicate effectively with cross‑functional stakeholders to translate user and business needs into technical solutions. - Mentor junior developers and promote best practices. - Stay current with front‑end trends, performance optimization techniques, and accessibility standards. **Key Responsibilities** - Build, test, and maintain web applications using React, TypeScript, Next.js, HTML, and CSS. - Integrate with backend APIs and ensure seamless data flow across the stack. - Partner with design, product, and UX teams to refine prototypes and iterate on UI/UX improvements. - Conduct performance profiling, implement optimizations, and enforce code reviews. - Analyze user data to validate feature concepts, inform product roadmaps, and prioritize enhancements. - Maintain and extend shared component libraries and design systems. - Collaborate on the development of a secure, decentralized energy network platform. **Required Skills** - 5+ years of professional experience building web applications with TypeScript, React, HTML/CSS, and Next.js. - Strong understanding of modern front‑end tooling (Webpack, Babel, ESLint, Prettier). - Proficiency in component‑driven architecture, state management, and responsive design. - Experience writing unit, integration, and end‑to‑end tests (Jest, React Testing Library, Cypress). - Knowledge of performance optimization techniques (lazy loading, code splitting, CRAF, tree shaking). - Ability to analyze data, derive insights, and translate findings into user‑centric improvements. - Excellent written and verbal communication; comfortable coordinating with backend, product, and design teams. - Familiarity with accessibility (WCAG) and web security best practices. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Engineering, or a related technical/analytical field, or equivalent practical experience. ---

London, United kingdom

Hybrid

Senior

01-01-2026

Company Name: Fuse Energy
Job Title: Lead Security Engineer
Job Description: **Job Title:** Lead Security Engineer **Role Summary:** Senior security professional responsible for defining and executing the security strategy across cloud, web, and distributed systems. Drives secure architecture, risk management, incident response, and compliance to protect infrastructure, applications, and sensitive data in a fast‑growing technology environment. **Expectations:** - Lead security design and implementation for high‑value transaction and digital asset platforms. - Establish and enforce security standards, governance, and compliance frameworks. - Mentor cross‑functional teams and foster a security‑first culture. - Respond to advanced threats and continuously improve detection and remediation processes. **Key Responsibilities:** - Design and implement secure infrastructure across AWS, web services, and distributed applications. - Provide architectural guidance for cryptographic key management, signing workflows, and secure APIs. - Conduct threat modelling and risk assessments for wallet integrations, on‑chain/off‑chain data flows, and internal tooling. - Develop and manage internal threat intelligence and proactive risk mitigation. - Lead incident response: analysis, containment, remediation, and creation of detection playbooks. - Define and maintain security development practices, secrets management, and infrastructure hardening standards. - Ensure compliance with SOC 2, ISO 27001, GDPR, and other relevant frameworks; support due‑diligence activities. - Collaborate with engineering, product, and infrastructure teams to embed security throughout the development lifecycle. **Required Skills:** - Deep knowledge of security protocols, cryptography, authentication, and authorization mechanisms. - Experience securing systems involving digital transactions, cryptographic operations, or high‑privilege user actions. - Proficiency with AWS cloud security services and best practices. - Strong understanding of operating systems, network protocols, and secure software development. - Excellent analytical, problem‑solving, and incident‑response capabilities. - Ability to create and maintain security standards, policies, and compliance documentation. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field. - Relevant professional certifications (e.g., CISSP, CISM, AWS Certified Security – Specialty, GICSP) are preferred but not mandatory.

London, United kingdom

Hybrid

Senior

15-01-2026

Company Name: Fuse Energy
Job Title: Security Engineer
Job Description: **Job Title:** Security Engineer **Role Summary:** Support and strengthen security posture for a scaled energy tech company, ensuring infrastructure, applications, and data are secure. Collaborate with senior teams to implement and maintain security solutions in a fast-paced, product-focused environment with real-world impact. **Expectations:** 2-3 years in Security Engineer, Software/Infrastructure Engineer roles with security exposure. Foundational knowledge of security concepts (e.g., authentication, encryption) and web/cloud risks (OWASP Top 10, IAM misconfigurations). Basic AWS experience required. Strong problem-solving and rapid-learning capabilities. **Key Responsibilities:** - Implement security controls for cloud infrastructure, web apps, and internal systems. - Configure secure access controls, secrets management, and API security. - Conduct threat modeling, identify risks/misconfigurations, and remediate vulnerabilities. - Monitor, detect, and investigate security alerts; support incident response and remediation. - Contribute to secure development practices: code reviews, documentation of security guidelines, and compliance readiness. - Collaborate with engineering/product teams to embed security into workflows and systems. **Required Skills:** - Security engineering fundamentals (identity, authentication, encryption). - Cloud security (AWS preferred), OS/networking, and software development workflows. - Threat modeling, risk assessment, and remediation of common vulnerabilities. - Knowledge of secure coding practices and compliance requirements. - Strong analytical and collaborative problem-solving skills. **Required Education & Certifications:** - Bachelor’s in Computer Science, IT, Cybersecurity, or related field (or equivalent practical experience).

London, United kingdom

Hybrid

Junior

19-01-2026

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