Senior Software Engineer

Low Carbon Contracts Company; Greater London; Hybrid; GBP 70,000; Full time

Job summary

A leading energy company is looking for a Senior Software Engineer to join their team in London. In this role, you will design and develop software solutions that support critical systems aimed at achieving Net Zero by 2050. This position requires strong technical leadership and collaboration with cross-functional teams. You will work in a flexible environment, ensuring code quality and mentoring junior engineers. The role offers a competitive salary and a range of employee benefits.

Benefits

Annual performance based bonus, up to 10%

25 days annual leave, plus eight bank holidays

Up to 8% pension contribution

Financial support for study relevant to your role

Employee referral scheme (up to £1500)

Free confidential employee assistance services

Three paid volunteering days a year

Qualifications

• Strong expertise in Python web development frameworks, such as Django.
• Experience with cloud environments like AWS, Azure, or GCP.
• Strong problem-solving and communication skills.

Responsibilities

• Design, develop, and maintain scalable and reliable software solutions.
• Collaborate with cross-functional teams to deliver high-quality features.
• Lead code reviews and technical discussions.

Skills

Python web development frameworks (e.g., Django)

JavaScript/TypeScript

Cloud environments (AWS, Azure, GCP)

CI/CD tools

Problem-solving skills

Communication skills

Technical leadership

Education

Bachelor’s or Master’s degree in Computer Science, Engineering or equivalent experience

Tools

React

Node.js

Terraform

Celery

Job description

Senior Software Engineer

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

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