Network planner/ software engineer Work, Jobs in London, England (with Salaries)

Software Engineer
Squid —London
- £75,000 - £200,000 a year
- Full-time
- APIs
- Python
Quick apply
13d
Software Engineer (Power Systems)
Squid —London
- £75,000 - £200,000 a year
- Full-time
- APIs
- Python
Quick apply
13d
VIE - Associate Optimisation Engineer - LONDON -M/F
SUEZ —London
- Engineering
- Project management
- Bachelor's degree
AI Solution Engineer
AECOM —London
- Full-time
- Computer Science
- Engineering
- Master's degree
- Employee stock purchase plan
- Annual leave
Graduate Electrical Engineer / Water - Croydon & Exeter (Summer 2026 starts)
AECOM —Croydon
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Computer skills
AI Engineer
AECOM —London
- Full-time
- Azure
- Computer Science
- Master's degree
- Employee stock purchase plan
- Annual leave
GIS Technician
British Transport Police —London
- £35,754.47 - £46,598.52 a year
- Full-time
- No degree
- AI
- Annual leave
- Gym membership
Quick apply
6d
Senior Frontend Engineer
AECOM —London
- Full-time
- Computer Science
- Engineering
- APIs
- Employee stock purchase plan
- Annual leave
BIM Technician
Mott MacDonald —Croydon
- Part-time
- Hybrid work
- AutoCAD
- Management
- CAD
- Annual leave
- Employee discount
Associate Structural Engineer - Transportation
HDR —London
- Full-time
- Management
- Engineering
- Construction experience
1h
Senior Engineer - Development Infrastructure
AECOM —London
- Full-time
- Hybrid work
- AutoCAD
- Engineering
- Master's degree
Senior Machine Learning Engineer
AECOM —London
- Full-time
- Doctoral degree
- Computer Science
- Engineering
- Employee stock purchase plan
- Annual leave
Civil Engineer - Mid to Senior Level
Moffatt & Nichol —London
- Full-time
- Microsoft Word
- Microsoft Excel
- Engineering
Quick apply
Programme Management Office Lead (Infrastructure)
AECOM —Croydon
- Full-time
- Hybrid work
- Microsoft Office
- Leadership
6d
Senior Platform Engineer
AECOM —London
- Full-time
- Azure
- Management
- DevOps
- Employee stock purchase plan
- Annual leave
Digital Information Management Lead
AECOM —London
- Full-time
- Hybrid work
- Sales
- Engineering
- Master's degree
Marketing & Communications Coordinator
Introba —London
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Word
- CRM software
- Flexible schedule
1d
Associate / Technical Director Flood Risk Modelling Lead
AECOM —London
- Full-time
- Hybrid work
- Engineering
- Bachelor's degree
- Scripting
Senior Engineer - Structures
Surbana Jurong Private Limited —London
- Full-time
- Engineering
- Construction experience
Senior Engineer CE
Surbana Jurong Private Limited —London
- Full-time
- Engineering
- Master's degree
- Analysis skills

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Software Engineer

Squid
London

Quick apply

Job details

Full-time
£75,000 - £200,000 a year
13 days ago

Qualifications

Cloud infrastructure
React
PostgreSQL
Data pipeline
APIs
Data visualisation
TypeScript
Python

Full job description

About Squid (www.squid.energy)

AI and data centres are booming, electrification is accelerating, and trillions in generation, storage, and connection projects are queued - but the real bottleneck is the grid.

Grid planning and operations are becoming a national-scale systems problem: complex network models, messy legacy data, strict governance, overloaded teams, and high-stakes decisions that affect real infrastructure.

Squid is building the agentic modelling platform for power grids: a versioned, auditable source of truth where network models, data, changes, assumptions, and decisions can be tracked - and where humans and AI agents can safely work together.

We unify legacy planning models, operational data, and grid workflows into software that helps teams run checks, compare models, explain changes, validate assumptions, and move faster without losing engineering rigour.

Based in London, Squid is backed by premier investors like Y Combinator and partners with industry leaders including National Grid and Northern Powergrid.

About the role

Pay Range: £75k-£200k (salary + equity), based in London, UK.

We are hiring a Software Engineer to join Squid as one of our first engineers.

You will work closely with the founders and early engineering team to build production software for grid operators. This is a broad software engineering role spanning backend systems, frontend products, data-intensive applications, cloud infrastructure and applied AI.

You will help turn complex engineering workflows into reliable, intuitive software used by planners, operators and engineers. This is a high-ownership role based in our central London office, with the opportunity to shape the product, technical architecture and engineering culture from an early stage.

What you'll do

Build and ship production software across backend services, frontend applications and cloud infrastructure.
Design APIs, data models and product interfaces for complex, data-heavy workflows.
Develop tools for loading, validating, comparing, visualising and explaining technical datasets.
Build reliable systems for versioning, collaboration, approvals and auditability.
Integrate AI models and agents into practical, human-in-the-loop product workflows.
Create benchmarks and evaluation tools for testing AI systems on real customer tasks.
Improve system performance, reliability, security and developer experience.
Work directly with customers to understand problems, test solutions and improve the product.
Use modern AI development tools to prototype, test and ship software quickly.

Qualifications

You do not need to meet every requirement. We are looking for strong, product-minded software engineers who are comfortable working across a broad technical surface area.

You may be a strong fit if you have:

Professional software engineering experience building and maintaining production systems.
Experience with Python, TypeScript, React, Postgres, APIs, cloud infrastructure or data pipelines.
Experience with Columnar storage, Relational DB’s, Object stores.
Experience working across multiple parts of a software stack rather than within one narrow specialism.
Strong product judgement and the ability to turn unclear, real-world problems into practical software.
Experience designing reliable systems for complex or data-intensive workflows.
An interest in applied AI, model evaluation, agent systems and AI-assisted software development.
The ability to communicate clearly and work directly with technical customers.
High ownership, curiosity and a willingness to learn quickly.

Experience with developer tools, data visualisation, geospatial products, collaborative software, workflow engines, technical computing or regulated industries would be valuable, but is not required.

The pay range for this role is:
75,000 - 200,000 GBP per year(London)

Quick apply

Refine Your Search

network planner/ software engineer jobs in london, england

Software Engineer

Software Engineer (Power Systems)

VIE - Associate Optimisation Engineer - LONDON -M/F

AI Solution Engineer

Graduate Electrical Engineer / Water - Croydon & Exeter (Summer 2026 starts)

AI Engineer

GIS Technician

Senior Frontend Engineer

BIM Technician

Associate Structural Engineer - Transportation

Senior Engineer - Development Infrastructure

Senior Machine Learning Engineer

Civil Engineer - Mid to Senior Level

Programme Management Office Lead (Infrastructure)

Senior Platform Engineer

Digital Information Management Lead

Marketing & Communications Coordinator

Associate / Technical Director Flood Risk Modelling Lead

Senior Engineer - Structures

Senior Engineer CE

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