1 to 25 of 125 Software Engineer Jobs in London

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence/cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in … an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R&D companies, Multi-National Consultancies to SME's and product based companies. Due to the nature of the work these clients do … you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements More ❯

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence/cyber security company Salary up to £100,000 plus clearance bonus London based organisation in an easily … accessible location Permanent Software Engineer To apply please call/or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. WE NEED THE SENIOR SOFTWARE More ❯

Senior Software Engineer - Hybrid (1-2 days in HQ) - £ benefits This role will take ownership of a legacy product developed in Microsoft Access (Front End) and SQL. The successful candidate will maintain, document, and optimise the current product and then will - in due course (in partnership with a 3rd party) - design, develop, and implement reusable C# services and … and is the largest such independent national service provider in the UK today. They are a national business with staff geographically spread across the UK and Northern Ireland. Senior Software Engineer (Access Developer) - Key duties: Take ownership of, and provide day-to-day support for, the current Access-based platform. Maintain and optimise the existing Access database, ensuring … Rewrite legacy services to ensure they are modular and reusable in future system developments. Review and refine the SQL database, focusing on building a robust relational database model. Senior Software Engineer (Access Developer) - Essential experience: Proven experience working with Microsoft Access as a front-end tool. Proficiency in VBA for maintaining and enhancing legacy functionality. Strong SQL development More ❯

Software Engineer/Analyst – West London - £35k bonus excellent benefits Our client is a well-established company based in West London, due to continued growth and expansion they are looking to recruit a Software Engineer/Analyst to be based at their head office. Reporting to the IT Manager we are looking for an enthusiastic on … site Software Engineer/Analyst with good communication skills. Duties Include: Assistant to the IT department Specific Roles Office PC Hardware & Software Support Ad Hoc IT Related Project Work Script Writing/Macro Debugging Excel workbook formula optimising Essential Requirements: Microsoft Office Advanced use of Microsoft Excel & VBA SQL query writing Script writing experience (e.g. JavaScript, Python … ID Oracle NetSuite, particularly Suite Script Microsoft SQL Server administration and query writing JavaScript Freemarker Working Hours Monday – Friday 8:30 – 17:30 (1-hour unpaid lunch break) Keywords –Software Engineer, Software Analyst, scripting, macros, macro, macro debugging, coding, IT Support Engineer, Azure, SharePoint, Entra, NetSuite, Suite Script, SQL, JavaScript, Freemarker, JavaScript, Python, Power Shell, SQL More ❯

Backend Software Engineer/Developer (Windows C/C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle … the other two days. Please note this is a 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP More ❯

Senior C++ Software Engineer/Developer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a Senior C++ Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives … post-trade processing technology, and have created ground-breaking, adaptable software that produces secure and scalable solutions for peak operational efficiency and optimum business performance for their clients. This is an exciting opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. As a C++ Software Engineer, you'll … motivated by working on cutting-edge systems and engineering complex solutions You're a positive, proactive team member who excels when working collaboratively You have a strong knowledge of software engineering best practices You're degree educated, having achieved a 2.1 or above in a STEM discipline Ideally you will have experience working in a financial services or trading More ❯

Contract Role – Data Software Engineer (Software Development, Big Tech Company) – London/Hybrid – 3 Months Initial – Inside IR35 PAYE We are seeking an exceptional Data Software Engineer that would support data onboarding and filtering effort in a project on LLM agents for research. The engineer will onboard data and run filtering on text, image … and video datasets leveraged by research teams. The goal is to proactively mitigate potential risks associated with these datasets. Role Overview: Job Title: Data Software Engineer Location: London/Hybrid Contract Type: Contract Duration: 3 months initially, extension likely Year of experience: 2 - 4 years – No more than 6 years Top 3 must-have HARD skills: Data experience … experience Data sets mitigation and filtering experience Good to have skills: Machine learning experience is a great to have Experience with pie torch. Typical Day in the Role: Typical software engineer job, doing data mitigation and filters Low administration A lot of research discussions. Will be working 100% on this AI automation project. Please feel free to contact More ❯

Backend Software Engineer/Developer (Linux SQL C++17) London/WFH to £110k Global-leading FinTech is seeking a senior Backend Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post … trade processing technology, and have created ground-breaking, adaptable software that produces secure and scalable solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain/deepen your finance experience. As a Backend Software Engineer, you'll be … motivated by working on cutting-edge systems and engineering complex solutions You're a positive, proactive team member who excels when working collaboratively You have a strong knowledge of software engineering best practices You're degree educated, having achieved a 2.1 or above in a STEM discipline Ideally you will have experience working in a financial services or trading More ❯

Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to … and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on … there once every three weeks, and also occasionally visit clients in the South West to gather requirements and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and More ❯

Backend Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management, earning substantial bonuses. As a Backend Software Engineer within the trading … are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Backend Software Engineer/Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance … Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Backend Software Engineer/Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of More ❯

Backend Software Engineer/Developer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Backend Software Engineer you'll … with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for you: As a Backend Software Engineer/Developer you will earn a competitive package: Salary to £180k Significant bonus earning potential Fund performance share Personal training budget and mentoring Family friendly benefits that … backup childcare as well as care for elderly relatives Various social groups including sports teams Private healthcare and wellness activities Apply now to find out more about this Backend Software Engineer/Developer (C# .Net SQL) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We More ❯

Software Engineer - Raynes Park, London £45,000 - £55,000 plus benefits We have an excellent opportunity for a Software Engineer to join our client, a leading FinTech company. This is an exciting opportunity for a Software Engineer from a product engineering background ideally working with event driven systems to assist in the successful delivery … of our clients market-leading solutions. The Software Engineer will have proven experience working effectively within highly collaborative agile development teams. You should be able to demonstrate a passion for engineering effective solutions to complex challenges, Skills Required Strong JAVA 11 + skills and Reactive Programming Experience with the Spring framework and technologies. Experience of event sourced/… systems (incl. Kafka and JMS). AKKA or other reactive framework. Experience with Angular 9+ on front end. Automation environment provisioning using Ansible. DevOps experience gained within highly transactional software environments. Knowledge and/or experience of Docker and Kubernetes. Knowledge of Unix sys admin and scripting. Knowledge of document-based data stories e.g. MongoDB. More ❯

Press Tab to Move to Skip to Content Link Job Title: Principal Software Engineer - Security Engineer Job Reference: Band: BAND D Salary: £80,000-£90,000k depending on relevant skills, knowledge and experience. The expected salary range for this role reflects internal benchmarking and external market insights. Contract type: Permanent role Location: This is a hybrid role … secure, high-velocity delivery possible. We build shared cloud platforms, developer tooling and guardrails that let hundreds of product teams ship confidently and sustainably. We're hiring a Principal Software Engineer - Security Engineer to help us embed secure-by-design thinking across the BBC. You'll work hands-on with engineering teams, applying InfoSec-led policies and … teams, enable secure engineering at scale, and support adoption of policies across delivery teams. No prep required beyond a few examples of your work. Main Responsibilities As a Principal Software Engineer - Security Engineer, you'll work hands-on with product and platform teams across the BBC to embed secure engineering practices that align with InfoSec direction and More ❯

Front End Software Engineer - London page is loaded Front End Software Engineer - London Apply locations London Office posted on Posted 7 Days Ago job requisition id R14631 Why it's worth it: Are you a passionate Software Engineer who has a proven track record of solving complex problems and being at the forefront of … customer's threat detection. Manage the continuous integration and deployment processes of complex technologies. Perform code reviews to ensure consistent improvement. Proactively automate and improve all stages of the software development lifecycle. Interface closely with various parts of the business, both internally and externally, to ensure all users are leveraging the product with ease and to its full potential. … Provide support to other team members as well as cultivate a culture of constant collaboration. Do you have what it takes? 2-4 Years of Software Development experience in the following languages and/or technologies: Python, JS, React, Angular, Java, C#, MySQL, Elastic Search or equivalent. Must be proficient in the English language, both written and verbal What More ❯

Staff Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve … and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Staff Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on … there once every three weeks, and also occasionally visit clients in the South West to gather requirements and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs and More ❯

Software Engineer - £90,000 - Hybrid Title : Software Engineer Company : HPC/AI Location : London (hybrid) Package : Up to £90,000 Overview : A next-generation and scientifically-led HPC team have opened up an opportunity for an experienced Software Engineer with C++ and GPU expertise to join a team of exceptionally talented developers. You will … have the opportunity to shape the developmental trajectory of the business by working on high-performance greenfield projects. This is a fantastic chance for an experienced C++ engineer with proven experience in a video or high-performance environment to join a world-class team of engineers developing truly novel solutions. About you: C++ is your strongest language Ideally experience … in Video or Audio Processing Experience writing performance-critical software Exposure to GPU technology (Vulkan API, OpenGL, OpenCL, CUDA etc.,) Relevant degree Full details are available. Please don't hesitate to get in touch with maxATplatform-recruitment.com to learn more. More ❯

Software Engineer - £90,000 - Hybrid Title : Software Engineer Company : HPC/AI Location : London (hybrid) Package : Up to £90,000 Overview : A next-generation and scientifically-led HPC team have opened up an opportunity for an experienced Software Engineer with C++ and GPU expertise to join a team of exceptionally talented developers. You will … have the opportunity to shape the developmental trajectory of the business by working on high-performance greenfield projects. This is a fantastic chance for an experienced C++ engineer with proven experience in a video or high-performance environment to join a world-class team of engineers developing truly novel solutions. About you: C++ is your strongest language Ideally experience … in Video or Audio Processing Experience writing performance-critical software Exposure to GPU technology (Vulkan API, OpenGL, OpenCL, CUDA etc.,) Relevant degree Full details are available. Please don't hesitate to get in touch with (email address removed). com to learn more. More ❯

Senior C++ Software Engineer We are looking for a Senior C++ Software Engineer with extensive commercial software development experience using C++ ideally within the finance domain. What you will be doing: As a Senior C++ Software Engineer, you will be involved in: Analysis of user requirements and translation into solution design Estimating and … Implementation of new features and feature enhancements Leading code reviews and enforcing best practice within a small, agile, focused team Mentoring junior colleagues What you will need: Extensive commercial software development experience using C++ SQL experience Unix/Linux experience Relevant degree in a numeric discipline, or equivalent work experience Excellent written and spoken English By applying to this More ❯

Software Engineer (stealth mode start-up) A stealth mode start-up, recently established by a team of highly experienced engineers and entrepreneurs with substantial financial backing and a proven history of successful technology ventures, is seeking software engineers with a minimum of 2 years of commercial experience to join as founding members of the initial team. These … positions are perfect for software engineers eager to pioneer novel technologies. You'll work closely with a dynamic team, facing unique challenges and bringing bold ideas to life. If innovation excites you, you enjoy solving complex problems, and you want to shape the future, this opportunity is for you. Given the highly technical nature of the work and their … history of success through employing top-tier software engineers, they maintain high standards but also offer competitive compensation. Additionally, the package includes potentially very lucrative stock options. Ideal Software Engineers should possess robust programming abilities in languages such as C, C++, Objective-C, Java, C#, Python, or Golang, coupled with an outstanding academic history, preferably from top-tier More ❯

Software Engineer (Python) 3 year programme | Inside IR35 | Hybrid Python | C++| Urban Digital Twins | Model Optimisation | Simulation Engineering | Kafka | Production ML SR2 is working with a global consultancy on a ground-breaking urban digital twins project for a major city modernising its infrastructure. With significant investment backing, this programme is looking at how to optimise everything from foot … traffic and vehicle flow to energy consumption and city-wide systems performance.We’re looking for a Software Engineer with strong Python skills and experience working alongside data scientists to optimise and productionise ML models . The core simulation engine is built in C++ , so any experience with C++ in high-performance environments is a major plus. Key Responsibilities … in Python , with performance-critical elements in C++ Contribute to the development of a digital twin platform to simulate and forecast city infrastructure outcomes Collaborate across simulation, data, and software teams to turn prototypes into production-ready solutions (Bonus) Integrate streaming data pipelines using Kafka to support real-time modelling Experience: Strong commercial experience in Python engineering Exposure to More ❯

Software Engineer (Python) 3 year programme | Inside IR35 | Hybrid Python | C++| Urban Digital Twins | Model Optimisation | Simulation Engineering | Kafka | Production ML SR2 is working with a global consultancy on a ground-breaking urban digital twins project for a major city modernising its infrastructure. With significant investment backing, this programme is looking at how to optimise everything from foot … traffic and vehicle flow to energy consumption and city-wide systems performance. We’re looking for a Software Engineer with strong Python skills and experience working alongside data scientists to optimise and productionise ML models . The core simulation engine is built in C++ , so any experience with C++ in high-performance environments is a major plus. Key … in Python , with performance-critical elements in C++ Contribute to the development of a digital twin platform to simulate and forecast city infrastructure outcomes Collaborate across simulation, data, and software teams to turn prototypes into production-ready solutions (Bonus) Integrate streaming data pipelines using Kafka to support real-time modelling Experience: Strong commercial experience in Python engineering Exposure to More ❯

Python Developer (Software Engineer Programmer Developer Python Fixed Income JavaScript Node Fixed Income Credit Rates Bonds ABS Vue Angular React Agile AWS GCP Buy Side Asset Manager Investment Management Performance Risk Attribution TypeScript Node Finance Front Office Trading Financial Services) required by our asset management client in London. You MUST have the following: Strong experience as a Python … Developer/Software Engineer/Programmer Excellent Python Experience working in Front Office financial trading (eg. Fixed Income, equities, FX or commodities) Some Front End ability (Vue, React or Angular good but not necessary) Agile The following is DESIRABLE, not essential: AWS or GCP Buy-side Data tools such as Glue, Athena, Airflow, Ignite, DBT, Arrow, Iceberg, Dremio … Fixed Income performance, risk or attribution TypeScript and Node Role: Python Developer (Software Engineer Programmer Developer Python Fixed Income JavaScript Node Fixed Income Credit Rates Bonds ABS Vue Angular React Agile AWS GCP Buy Side Asset Manager Investment Management Performance Risk Attribution TypeScript Node Finance Front Office Trading Financial Services Pandas Numpy Scipy) required by our asset management More ❯

Job Title: Senior Software Engineer Reporting to: Lead Engineer Role Purpose: As a Senior Software Engineer, you will enhance and support both new and existing products within the Software Engineering group. In addition to contributing to feature development, you will play a role in shaping the technology and process strategies, and occasionally lead innovation … or software design initiatives. Key Responsibilities: Develop new features with a strong focus on high-quality code. Conduct peer code reviews to ensure quality and adherence to best practices. Participate in daily stand-ups, change analysis sessions, and technical presentations. Provide guidance on tool and environment adoption where necessary. Continuously develop knowledge of the business domain and gain a … proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD), unit testing frameworks, mocking frameworks More ❯

Job Title: Senior Software Engineer Reporting to: Lead Engineer Role Purpose: As a Senior Software Engineer, you will enhance and support both new and existing products within the Software Engineering group. In addition to contributing to feature development, you will play a role in shaping the technology and process strategies, and occasionally lead innovation … or software design initiatives. Key Responsibilities: Develop new features with a strong focus on high-quality code. Conduct peer code reviews to ensure quality and adherence to best practices. Participate in daily stand-ups, change analysis sessions, and technical presentations. Provide guidance on tool and environment adoption where necessary. Continuously develop knowledge of the business domain and gain a … proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD), unit testing frameworks, mocking frameworks More ❯

Lead Software Engineer - £65,000 Title : Lead Software Engineer Client : Secure Communications Location : Guildford Salary : £65,000 This is an opportunity for an engineer with 3+ years of commercial development experience to work on state of the art image processing, signal processing and network security applications to join an established team of C++ focused engineers More ❯