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Low Carbon Contracts Company

Senior Software Engineer

Hybrid

London, United kingdom

Senior

Full Time

04-02-2026

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Skills

Communication Leadership Adaptability Python JavaScript TypeScript CI/CD DevOps Architecture Azure react node.js AWS Django Agile JavaScript/TypeScript GCP Web Development Terraform

Job Specifications

Department: Tech Hub

Employment Type: Full Time

Location: London, England, United Kingdom

Compensation: circa £70,000

Description

Contract type: Permanent

Hours: 37.5/ week

Salary: circa £70,000 depending on experience

Location: London, Canary Wharf

WFH policy: Employees are required to attend the office 2 days/week

Flexible working: Variety of flexible work patterns subject to line manager discretion e.g. Compressed 9-day fortnight.

Reports to: Software Engineering Manager

Deadline Note: We reserve the right to close the advert before the advertised deadline if there are a high volume of applications.

Role Summary

We’re looking for a Senior Software Engineer to join our Settlement System’s team, part of a broader engineering space that delivers critical systems to help the UK achieve Net Zero by 2050. Our digital platform underpins multiple applications, including settlement tools, forecasting engines, calculation services, and data portals that enable the business to meet this ambitious goal.

As a technical leader, you will collaborate with Senior Software Engineers to define system architecture, mentor team members, and champion engineering best practices, while remaining actively involved in hands-on development. Although this role does not include direct line management, it requires strong technical leadership and the ability to guide the team through complex challenges.

Key Responsibilities

Design, develop, and maintain scalable and reliable software solutions, ensuring alignment with Principals and Architects.
Collaborate with cross-functional teams, including Product, QA, and DevOps, to deliver high-quality features.
Lead code reviews and technical discussions, and contribute to architectural decisions.
Lead complex coding tasks; ensure code quality
Identify and resolve performance and scalability issues.
Write clean, maintainable, and well-documented code.
Mentor and support junior and mid-level engineers.
Stay current with emerging technologies and industry trends.
Estimate work; lead delivery of features from the roadmap.
Solve ambiguous problems with scalable solutions.

Skills Knowledge and Expertise

Essential

Strong expertise in Python web development frameworks (e.g., Django) and JavaScript/TypeScript, with experience working in cloud environments such as AWS, Azure, or GCP.
Skilled in applying software technical design principles to build scalable, secure, and maintainable solutions within modern cloud-based architectures.
Bachelor’s or Master’s degree in Computer Science, Engineering or equivalent experience.
Experience with CI/CD tools and practices.
Strong problem‑solving & communication skills
Adaptability/willingness to learn (e.g., Agile)
Technical leadership (mentoring, best‑practice guidance)

Desirable

Experience with modern frameworks and libraries (e.g., React, Node.js, Terraform, Celery)
Experience with database schema design and query optimisation

Employee Benefits

Benefits

As if contributing to and supporting work that makes life better for millions wasn’t rewarding enough, we offer a full range of benefits too. Key benefits that may be available depending on the role include:

Annual performance based bonus, up to 10%
25 days annual leave, plus eight bank holidays
Up to 8% pension contribution
Financial support and time off for study relevant to your role, plus a professional membership subscription
Employee referral scheme (up to £1500), and colleague recognition scheme
Family friendly policies, including enhanced maternity leave and shared parental leave
Free, confidential employee assistance, including financial management, family care, mental health, and on-call GP service
Three paid volunteering days a year
Season ticket loan and cycle to work schemes
Family savings on days out and English Heritage, gym discounts, cash back and discounts at selected retailers
Employee resource groups

About the Company

The Low Carbon Contracts Company (LCCC) and our sister organisation, the Electricity Settlements Company (ESC), sit at the heart of the delivery of the UK's goals for secure, affordable and sustainable electricity. LCCC was established to be the independent counterparty to Contracts for Difference (CFDs), a new incentive designed by Government to bring forward the investment needed to sustainably deliver the UK's goals for renewable and other low carbon electricity. Our mission is to build confidence in Electricity Marke... Know more