151 to 175 of 290 Software Engineer Jobs in London

Senior Software Engineer

Hiring Organisation
Harrington Starr
Location
City Of London, England, United Kingdom
Senior C# Engineer City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play ...

Senior Software Engineer - C++, Python - Financial / Banking

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £120,000 per annum
Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, FIX Protocol and some Low Latency experience. … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Software Engineer

Hiring Organisation
Intellect Group
Location
London Area, United Kingdom
Robotics & Computer Vision Engineer Location : London Salary : £50,000 - £80,000 + Equity About the Role We are seeking a Robotics Software Engineer to design, develop, and optimize intelligent robotic systems that tightly integrate perception and control. This role focuses on building reliable, real-time software … control, perception, and simulation, contributing to systems that move from research and prototyping to deployment on physical robots. Responsibilities Design and implement robotic control software that bridges perception and actuation Integrate computer vision and perception systems with robotic control pipelines Develop and maintain simulation environments for testing and validation ...

Senior Software Engineer

Hiring Organisation
Low Carbon Contracts Company
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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: Were looking for a Senior Software Engineer to join our Settlement Systems 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 ...

Senior IOS Software Engineer

Hiring Organisation
ARM
Location
Stratford, London, United Kingdom
Employment Type
Contract
Contract Rate
£473 - £503/day Inside IR35
Senior iOS Software Engineer 11 Months initial contract Stratford - 4 days onsite/1 remote £503 per day (Inside IR35) Overview Join the company's Pro Mobile Team working on the Pro Telematics Drive App - a unified mobile solution for commercial fleet management across North America and Europe. ...

Senior Software Engineer (C++)

Hiring Organisation
Durlston Partners
Location
London Area, United Kingdom
Senior Software Engineer (C++) - Crypto Trading Firm - London - Up to £200k (base) Durlston Partners is working with a leading Crypto Trading firm that is looking for a Senior C++ Developer to join their London team. You’ll be joining an elite group of engineers (think ICPC World Finalists ...

Contract Java Software Engineer Inside IR35

Hiring Organisation
Interact Consulting Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Contract Software Engineer (x2) - Java £325 per day Inside IR35 Start Date: ASAP End Date: 30th June 2026 Location: London (Remote, one day per week on-site) Arrangement: Hybrid/Mostly Remote We're looking for two mid-level Software Engineers to join a collaborative and forward … thinking team on a six-month contract. You'll be working on modern software solutions within a supportive Agile envir click apply for full job details ...

Senior Backend Software Engineer

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior Backend Software Engineer (Python) Blockchain/Web3 Remote £50-£80k An ambitious Web3 and blockchain-focused team working to create more equitable ownership and compensation models, particularly within gaming. They collaborate closely with leading Layer 1 protocols to deliver secure, scalable infrastructure and provide global economic opportunities ...

Senior Software Engineer LLM

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior Software Engineer/Developer (LLM TypeScript Node API) London/WFH to £100k Are you a senior technologist with experience of productionising LLMs? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market ...

Senior Data Software Engineer (Public Sector Consultancy)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Senior Data Software Engineer (Public Sector Consultancy) Salary: £55 - 72K + Benefits Location: London or Manchester (aligned to office for client on-site requirements) Working Pattern: Hybrid/On-site depending on client needs Security Clearance: DV Clearance required - Can Start With Active SC You will join … potential. Empowering individuals and building strong teams are central to delivering meaningful outcomes for clients and citizens. This role is suited to Data Software Engineers with a strong technical foundation and an interest in data engineering, data science, and machine learning. You will work within agile, multidisciplinary teams alongside ...

Software Engineer - Full-Stack - TypeScript, Node.js

Hiring Organisation
Rebel Recruitment Limited
Location
EC2A, Finsbury Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £99000/annum Benefits
Role: Software Engineer - Full-Stack - TypeScript, Node.js Location: London Working Model: Hybrid - 3 Days Salary: Up to £99,000 Ready to build tech that actually means something? This team is powering the next generation of electrification — EVs, solar, batteries, heat pumps, smart devices — all connected through a platform … that’s scaling fast and rewriting the rulebook in green-energy tech. They’re growing. They’re hiring. And they want a Senior Engineer who can own problems end-to-end, think like a product person, and ship like someone who knows their craft inside out. If you want ...

Software Engineer, Frontend

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
Role: Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. … have: Experience with design systems and component libraries Experience with Headless CMS platforms Familiarity with responsive design principles and accessibility standards Experience in agile software development methodologies Why Travelex? To remain the world’s leading foreign exchange specialist, we are focused on making our customers’ lives simpler, more engaging ...

Lead / Senior Software Engineer - Java/Python/AWS - 12 Month Contract

Hiring Organisation
MORRIS SINCLAIR RECRUITMENT LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £425 per day
Lead/Senior Software Engineer for 12 month contract on site in London. Working for a Big 4 professional services firm delivering software projects. Java, Python, Cloud Native AWS, AI, DevOps, CI/CD - Jenkins/GitLab Lead/Senior Java/Python EngineersBig 4 Consultancy ...

Senior Robotics Control Software Engineer (C++ & Python)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Senior Robotics Control Software Engineer Location: London (relocation package available if needed) Salary: Circa £100,000 to £250,000 depending on experience plus package This is an opportunity to work for one of the most exciting and high-profile robotics R&D companies in the world, that … enable your career to take a leap forward. In this role you will be responsible for the design and development of advanced robotics control software using modern C++ and Python as the primary languages. You will deliver high-quality production code and design control system architectures for real time ...

TypeScript Software Engineer | London | Hybrid | Algorithms | Design Patterns

Hiring Organisation
techstack Recruitment
Location
City of London, London, United Kingdom
TypeScript Software Engineer | London | Hybrid | Algorithms | Design Patterns £150,000 – £200,000 + pension, private healthcare, gym membership, hardware budget London (Hybrid – 2 days WFH) A high-growth software company is building the next generation of high-performance UI frameworks and data-intensive visualisation technology. Their products … grasp of how they interact with the DOM. Ability to diagnose bottlenecks, eliminate memory leaks, and optimise rendering and throughput. An appreciation for clean software design, correctness, and maintainability. Why this role matters You’ll work on core engineering problems that most developers never get close to. ...

Java Software Engineer AWS - FinTech

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
Java Software Engineer/Developer (Java AWS Spring Boot) London/WFH to £90k Are you a backend focussed Java technologist who enjoys building systems from scratch? You could be progressing your career at a global, prime broker that is replacing the legacy infrastructure used across capital markets ...

Software Engineer in Test

Hiring Organisation
Balance Talent
Location
City of London, London, United Kingdom
Title: Software Engineer in Test Company: Specialist Technology/eCommerce Platform Location: London – 2-3 days a week Salary: up to £60,000 + benefits Tech essentials : Javascript and either Cypress or Playwright Interview process: 3 stage interview process Why should you be interested in this opportunity ...

Java Software Engineer – Quant Hedge Fund (London, Hybrid)

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading … staff tenure. This hire will be part of a core Software Engineering team, responsible for the vast majority of all applications in the business from front-to-back office.This includes Order Management & Trading Execution, Risk & Finance, Straight-Through-Processing and Corporate Functions. The team deal directly with business users ...

Software Engineer - Database & Display

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £600 per day
Role:Software Engineer - Database and Display Key Skills - SCADA/EMS/DMS Developer, Database Design, Data Modeling, Historian Integration, Oracle, SQL Server, PostgreSQL, SLD, Display Hands-on expertise preferably on XX PowerOn Reliance (XA21), AEMS Platform, GE eTerra, PowerOn Advantage Software, as well as SCADA/ ...

Software Engineer (Mid-Senior)

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
Software Engineer | Energy & Climate Tech | London (Hybrid) A fast-growing energy technology company is building the intelligence layer for a cleaner, more resilient power grid - and they’re looking for engineers who want their code to have measurable, real-world impact. The team is developing large-scale optimisation ...

Senior Software Engineer in Test (SDET)

Hiring Organisation
Planet Pharma
Location
City of London, London, United Kingdom
Title: Senior Software Development Engineer in Test (Senior SDET) Location: London (3 days onsite minimum) Contract Length: 6 months – initial Rate: negotiable Start Date: ASAP Company Overview Our client is a leading innovator in the medical technology space, committed to delivering high-quality, reliable device platforms that improve … culture where quality engineering is driven by code, collaboration, and cutting-edge practices. Role Overview We are seeking a highly skilled and passionate Senior Software Development Engineer in Test (SDET) to join our client’s team. This role is ideal for someone who thrives in a hands ...

Software Engineer | High-Frequency Trading

Hiring Organisation
Fionics
Location
City of London, London, United Kingdom
Software Engineer - Quantitative Finance 40+ top trading firms seeking exceptional engineers. Multiple immediate openings. What you'll do: Build trading systems and market data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C Python/Java … based on experience Locations: London, Remote Focus: Trading platforms, risk systems, data infrastructure From high-growth prop firms to established systematic funds. Ready to engineer the markets? Apply now for confidential discussions. ...

Robotics Software Engineer

Hiring Organisation
All3
Location
London Area, United Kingdom
build custom architecture at the cost and speed of mass production — unlocking even the most complex sites. We’re currently seeking a Robotics Software Engineer to build the control software for electro-mechanical systems, develop tooling for data logging and analysis, implement low-level device drivers … create simulation and validation workflows to support rapid prototyping and fast iteration. Responsibilities: Designing and implementing control software for electro-mechanical and robotic systems; Developing tooling for data logging, analysis, and system performance insights; Building and maintaining device drivers for fieldbus interfaces (EtherCAT, CAN); Creating simulation environments for system ...

Senior Lead Software Engineer

Hiring Organisation
CYB3R OPERATIONS
Location
London Area, United Kingdom
engineering team and customer footprint Preparing for Series A with a focus on platform maturity and deeper integrations We're hiring a Senior Lead Software Engineer as a foundational member of our engineering team, someone who will help us build robust, scalable systems and shape how we grow ...

GPU Software Engineer

Hiring Organisation
microTECH Global LTD
Location
City of London, London, United Kingdom
Software Engineer, you’ll be translating innovative research into high-performance, high-quality GPU compute solutions—playing a key role in delivering next-generation media technology to the market. Hybrid working, 3 days onsite and 2 days working from home. Key Skills & Qualifications: Degree in Electronics Engineering, Computer … including Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating SDKs. Test ...