Software Engineering Jobs in London

1,126 to 1,150 of 1,337 Software Engineering Jobs in London

Senior Software Engineer

City of London, London, United Kingdom
Harrington Starr
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 a key part in shaping systems that directly influence trading performance. Key Benefits Competitive salary with More ❯
Posted:

Senior Software Engineer

London Area, United Kingdom
Harrington Starr
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 a key part in shaping systems that directly influence trading performance. Key Benefits Competitive salary with More ❯
Posted:

Senior Software Engineer

London, United Kingdom
Hydrogen Group
a Python Video Processing Engineer to join our multidisciplinary team and help design and optimise high-performance video pipelines in the cloud. You'll be working on cutting-edge software for a medical device , ensuring robustness, security, and efficiency in everything you build. A Day in the Life Design, implement, and optimise custom cloud-based video pipelines for video More ❯
Employment Type: Contract
Rate: GBP 250 - 300 Daily
Posted:

Senior Robotics Software Engineer

Greater London, England, United Kingdom
Humanoid
Lead to turn our robotics stack into a working product. This isn’t a coordination-only role. You’ll write code, integrate subsystems, debug real robots, and build the software layer that brings everything together for the end user. You’ll lead a small team focused on application-level logic. This is where everything meets: controls, navigation, perception, learning … company, make practical decisions, build prototypes, and iterate fast. We want someone who’s not afraid to plug in, test in hardware, and own the product experience from the software side. What You’ll Do Develop and maintain the top-level robot application code Integrate modules from other teams: controls, navigation, CV, RL, platform Build and evolve the application More ❯
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Senior Robotics Software Engineer

london, south east england, united kingdom
Humanoid
Lead to turn our robotics stack into a working product. This isn’t a coordination-only role. You’ll write code, integrate subsystems, debug real robots, and build the software layer that brings everything together for the end user. You’ll lead a small team focused on application-level logic. This is where everything meets: controls, navigation, perception, learning … company, make practical decisions, build prototypes, and iterate fast. We want someone who’s not afraid to plug in, test in hardware, and own the product experience from the software side. What You’ll Do Develop and maintain the top-level robot application code Integrate modules from other teams: controls, navigation, CV, RL, platform Build and evolve the application More ❯
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Software Engineer

London Area, United Kingdom
Durlston Partners
Software Engineer – Prop Trading – London – Up to £100k Base + Bonus A leading systematic trading firm, who were the pioneers in the adoption of ML is looking to hire a Software Engineer to help evolve and optimise their core trading and data platform. The team builds everything in-house from low-latency trading infrastructure and data pipelines to More ❯
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Software Engineer

City of London, London, United Kingdom
Durlston Partners
Software Engineer – Prop Trading – London – Up to £100k Base + Bonus A leading systematic trading firm, who were the pioneers in the adoption of ML is looking to hire a Software Engineer to help evolve and optimise their core trading and data platform. The team builds everything in-house from low-latency trading infrastructure and data pipelines to More ❯
Posted:

Software Engineer

london, south east england, united kingdom
Durlston Partners
Software Engineer – Prop Trading – London – Up to £100k Base + Bonus A leading systematic trading firm, who were the pioneers in the adoption of ML is looking to hire a Software Engineer to help evolve and optimise their core trading and data platform. The team builds everything in-house from low-latency trading infrastructure and data pipelines to More ❯
Posted:

Software Engineer

london (city of london), south east england, united kingdom
Durlston Partners
Software Engineer – Prop Trading – London – Up to £100k Base + Bonus A leading systematic trading firm, who were the pioneers in the adoption of ML is looking to hire a Software Engineer to help evolve and optimise their core trading and data platform. The team builds everything in-house from low-latency trading infrastructure and data pipelines to More ❯
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Contract Data Engineer - eDV Cleared

London, South East, England, United Kingdom
Searchability NS&D
Cloudera or Elasticsearch Experience With Palantir Foundry Experience working in an Agile Scrum environment with tools such as Confluence/Jira Experience in design, development, test and integration of software Willingness to learn new technologies IT WOULD BE NICE FOR THE DATA ENGINEER TO HAVE.... Cloud based architectures Microservice architecture or server-less architecture Messaging/routing technologies such … DV CLEARED KEY SKILLS: BIG DATA DEVELOPER/BIG DATA ENGINEER/SENIOR BIG DATA DEVELOPER/SENIOR BIG DATA ENIGNEER/DATA ENGINEER/DATA DEVELOPER/SENIOR SOFTWARE DEVELOPER//LEAD SOFTWARE ENGINEER/LEAD SOFTWARE DEVELOPER/SENIOR SOFTWARE DEVELOPER/DV CLEARED/DV CLEARANCE/DEVELOPPED VETTING/DEVELOPED VETTED More ❯
Employment Type: Contractor
Rate: £450 - £650 per day
Posted:

Lead Data Engineer

London, United Kingdom
Hybrid / WFH Options
CV Technical
mission is to deliver smarter, faster, and more secure financial solutions through cutting-edge platforms powered by data. With rapid expansion and strong investment backing, they are scaling their engineering and data capabilities to support ambitious growth plans. The Role: Our client is seeking a Lead Data Engineer to take ownership of their data infrastructure and lead the build … This is a senior hands-on role, where you'll also provide technical leadership to a small but growing team. You'll work closely with data scientists, analysts, and software engineers to ensure the company's data strategy underpins their innovative financial products. Key Responsibilities: Lead the design, development, and optimisation of data pipelines and ETL processes. Architect scalable … data solutions to support analytics, machine learning, and real-time financial applications. Drive best practices for data engineering, ensuring high levels of data quality, governance, and security. Collaborate with cross-functional teams to integrate data systems with wider product and engineering initiatives. Mentor and guide junior engineers, fostering a culture of knowledge sharing and continuous improvement. Evaluate and More ❯
Employment Type: Permanent
Salary: £85000 - £100000/annum
Posted:

Senior PHP Developer

Milton Keynes, Clapham Green, Bedfordshire, United Kingdom
Noa Recruitment Ltd
PHP Software Engineer PHP Software Engineer - Remote UK - £65000 We are helping an innovative tech business scale their cloud software team. Due to continued growth and demand for their products they now urgently need a PHP Software Engineer to meet demand for their products. This role would suit a seasoned PHP Software Engineer who has … a strong focus on backend development and ideally knowledge of Machine Learning or LLM. The PHP Software Engineer will work with the R&D team to bring new solutions to life. This role is remote within the UK. To be a successful, the ideal PHP Software Engineer candidate will have: · A strong career background in PHP and Laravel. … interest in) machine learning and large language models · Experience of working in a small team · Excellent written English skills. What is in it for you? As a talented PHP Software Engineer you can expect: · Great salary - Up to £65k base and Package (neg for the right person) · Flexible working. If you are an ambitious PHP Software Engineer hit More ❯
Employment Type: Permanent
Salary: £50000 - £65000/annum Package
Posted:

Full Stack Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Computer Futures
Full Stack Software Engineers - Your Next Big Move Awaits! Fully Remote | Up to £80,000 DOE | Award-Winning Employer Are you ready to take your career to the next level What matters most to you in your next role- flexibility, growth, cutting-edge tech, or work-life balance Why not have it all? We're partnering with an industry More ❯
Employment Type: Full-Time
Salary: £55,000 - £80,000 per annum
Posted:

React Developer

London, United Kingdom
Hybrid / WFH Options
Lawrence Harvey
Role: Software Engineer (React) Length: Initial 3-month engagement Location: Hybrid - 2 days per week in London IR35 Status: Inside IR35 Pay Rate: £600 - £700 per day Clearance: SC Clearance One of my public sector clients are urgently looking for a React Software Engineer to join their team on a hybrid basis with travel to site 2 days … per week in London, this will be on an initial 3-month engagement. They are interested in React Software Engineers with experience of working in an Agile environment amongst multi-disciplinary teams. Active SC clearance is required for this position. Key Requirements Experience JavaScript, React, Node.js and TypeScript. Strong experience in writing reusable, testable components, within React. Proficiency in More ❯
Employment Type: Contract
Rate: £600 - £700/day
Posted:

AI Engineer - Start-Up

London, United Kingdom
Hybrid / WFH Options
Networker Global Limited
startup, you will have the chance to: Work on cutting-edge AI and machine learning initiatives that directly impact business outcomes. Collaborate with cross-functional teams, including data scientists, software engineers, and product managers, to deliver robust AI solutions. Key Skills Proficiency in Python, TensorFlow, or PyTorch Experience with machine learning algorithms and frameworks Strong understanding of data pre … processing, feature engineering, and model evaluation Familiarity with cloud services (AWS, GCP, Azure) and their AI/ML offerings Knowledge of natural language processing (NLP) and computer vision is a plus Experience 3+ years in AI, machine learning, or data science roles. Proven track record of deploying AI models into production environments. Experience with data manipulation and analysis, using More ❯
Employment Type: Permanent, Work From Home
Salary: £95,000
Posted:

Senior Applied Scientist, Insights, Prime Video

London, United Kingdom
Amazon
multiple dimensions. You will embody scientific rigor, designing and executing experiments to demonstrate the technical effectiveness and business value of your methods. You will work alongside other scientists and engineering teams to deliver your research into production systems. Successful candidates will have strong technical ability, excellent teamwork and communication skills, and a strong motivation to deliver customer value from … for high-scale recommendations problems. Rapidly design, prototype and test many possible hypotheses in a high-ambiguity environment, making use of both quantitative analysis and business judgement. Collaborate with software engineers to integrate successful experimental results into Prime Video wide processes. Communicate results and insights to both technical and non-technical audiences, including through presentations and written reports. About … time. In 2025, we are expanding our remit to consume data from more sources to provide more holistic observability for our development teams. BASIC QUALIFICATIONS Master's degree in engineering, technology, computer science, machine learning, robotics, operations research, statistics, mathematics or equivalent quantitative field Experience programming in Java, C++, Python or related language Experience with neural deep learning methods More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Machine Learning Engineer - Start-Up

London, United Kingdom
Hybrid / WFH Options
Networker Global Limited
will have the chance to: Develop and implement cutting-edge machine learning models and algorithms that drive business outcomes and innovation. Collaborate with cross-functional teams, including data scientists, software engineers, and product managers, to deliver robust solutions. Work on diverse projects ranging from predictive analytics to natural language processing, providing variety and challenge in your day-to-day … Skills Proficiency in Python and/or R for developing machine learning models. Experience with frameworks such as TensorFlow, PyTorch, or Scikit-learn. Strong understanding of data preprocessing, feature engineering, and model evaluation techniques. Familiarity with cloud platforms like AWS, GCP, or Azure for deploying ML solutions. Knowledge of version control systems (e.g., Git) and CI/CD practices More ❯
Employment Type: Permanent, Work From Home
Posted:

Lead Data Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
ll take ownership of designing, maintaining, and evolving the data pipelines that power large-scale analytical and machine learning models. You'll work closely with Data Scientists, Analysts, and Software Engineers to deliver robust, scalable data infrastructure. The focus areas include building and optimising pipelines for survey data, improving anti-fraud models, and supporting new data science initiatives.You'll … ways of working. The role is hands-on and collaborative, offering the chance to make tangible impact across data quality, scalability, and reliability. Requirements 5+ years' experience in Data Engineering with strong Python and SQL skills. Background in building and maintaining ETL/ELT pipelines in a cloud environment (AWS or Azure). Knowledge of data warehousing (e.g., Redshift More ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum
Posted:

Backend Python Developer

London, United Kingdom
Hybrid / WFH Options
Adecco
Software Engineer - AI/ML | Leading Pharma Client | 6-Month Contract | Inside IR35 | Hybrid (3 Days Onsite) My client, a global pharmaceutical leader, is looking for an experienced Software Engineer to contribute to the development of cutting-edge AI/ML solutions aimed at transforming healthcare. This is a 6-month contract , inside IR35 , offering hybrid working More ❯
Employment Type: Contract
Posted:

Backend Python Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Adecco
Software Engineer - AI/ML | Leading Pharma Client | 6-Month Contract | Inside IR35 | Hybrid (3 Days Onsite) My client, a global pharmaceutical leader, is looking for an experienced Software Engineer to contribute to the development of cutting-edge AI/ML solutions aimed at transforming healthcare. This is a 6-month contract , inside IR35 , offering hybrid working More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

C++ Software Engineer

London, South East, England, United Kingdom
Ncounter
C++ Software Engineer London | Hybrid (2-3 days per week) | Competitive salary + bonus Ncounter is partnering with a leading trading technology group to hire an exceptional C++ Software Engineer to build and evolve high-performance order gateway systems used in fast-moving fixed income markets. This is a hands-on role developing ultra-low-latency services that … of developers, quants and platform engineers, working across a high-availability C++ codebase to deliver fast, resilient and observable services. You’ll be empowered to design, implement and test software that directly impacts trading performance, scalability and reliability. Key Responsibilities: • Design and develop high-throughput order gateway components in modern C++ • Implement robust connectivity, order validation and routing logic More ❯
Employment Type: Full-Time
Salary: £150,000 - £175,000 per annum
Posted:

Software Engineer

Greater London, England, United Kingdom
StreetID
We are seeking a highly skilled Quantitative Software Developer to join our front office technology team focused on building and enhancing risk platforms for a leading trading or investment firm. The ideal candidate will have strong expertise in Java development and deep experience working within quantitative or risk-focused environments, particularly in designing, developing, and optimizing systems that support … rotation for production risk systems. Write clean, testable, and well-documented code; contribute to CI/CD practices. Required Qualifications Bachelor's or Master’s degree in Computer Science, Engineering, Mathematics, or a related quantitative field. 3+ years of experience in Java software development, ideally within financial services or a trading environment. Proven experience building or supporting risk More ❯
Posted:

Software Engineer

london, south east england, united kingdom
StreetID
We are seeking a highly skilled Quantitative Software Developer to join our front office technology team focused on building and enhancing risk platforms for a leading trading or investment firm. The ideal candidate will have strong expertise in Java development and deep experience working within quantitative or risk-focused environments, particularly in designing, developing, and optimizing systems that support … rotation for production risk systems. Write clean, testable, and well-documented code; contribute to CI/CD practices. Required Qualifications Bachelor's or Master’s degree in Computer Science, Engineering, Mathematics, or a related quantitative field. 3+ years of experience in Java software development, ideally within financial services or a trading environment. Proven experience building or supporting risk More ❯
Posted:

Software Engineer

London Area, United Kingdom
Understanding Recruitment
Software Engineer | Climate Tech | London (Hybrid) Want to code for impact ? This early-stage climate tech startup is building the software powering the transition to a cleaner, smarter energy system - and they’re looking for engineers who love to move fast, solve hard problems , and see their work make a real difference. Backed by top-tier investors, the … low-carbon grid that actually works. 💡 Why join: High ownership and technical freedom Meaningful projects with real environmental impact The chance to help shape both the product and the engineering culture 🚀 What they value: Curiosity and a bias for action - ship fast, learn faster A genuine drive to tackle climate change through technology Comfort with ambiguity and startup pace … knit, mission-driven team They’re open to all OOP languages (core stack is Python ). 📍 London | Hybrid (2-3 days/week) If you’re ready to build software that accelerates the shift to clean energy - apply now More ❯
Posted:

Software Engineer

City of London, London, United Kingdom
Understanding Recruitment
Software Engineer | Climate Tech | London (Hybrid) Want to code for impact ? This early-stage climate tech startup is building the software powering the transition to a cleaner, smarter energy system - and they’re looking for engineers who love to move fast, solve hard problems , and see their work make a real difference. Backed by top-tier investors, the … low-carbon grid that actually works. 💡 Why join: High ownership and technical freedom Meaningful projects with real environmental impact The chance to help shape both the product and the engineering culture 🚀 What they value: Curiosity and a bias for action - ship fast, learn faster A genuine drive to tackle climate change through technology Comfort with ambiguity and startup pace … knit, mission-driven team They’re open to all OOP languages (core stack is Python ). 📍 London | Hybrid (2-3 days/week) If you’re ready to build software that accelerates the shift to clean energy - apply now More ❯
Posted:
Software Engineering
London
10th Percentile
£57,500
25th Percentile
£75,000
Median
£100,000
75th Percentile
£132,500
90th Percentile
£140,000