51 to 75 of 113 Software Developer Jobs in London

Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer ?" who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C# .net framework coupled with SQL Server. Ability to … manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ years of senior technical lead. · 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS · Retail/digital technology experience More ❯

Python Software Engineer, Python, AWS Python, TDD & BDD, Monitoring Household Name £650 - 750pd Outside IR35 6-month contract Fully Remote (UK) We're supporting a fast-moving client with national reach, that needs a Python Software Engineer Contractor with strong experience across Python & AWS . This is a freelance role within a tech-driven team Where you … ll be the subject matter expert, designing, implementing, and managing software, platforms and more. What You'll Be Doing as a Python Software Engineer, Python, AWS Python, TDD & BDD, Monitoring £650 - 750pd Outside IR35 6-month contract Fully Remote (UK) Design and deploy scalable, high-performance software aligned with long-term business goals. Automate configuration, provisioning … cause analysis, applying preventive measures to avoid recurrence. Collaborate across teams (QA, DevOps, IT) to troubleshoot and enhance system performance. Maintain clear documentation for configurations, procedures, and troubleshooting. Ensure software meets design goals: performance, modularity, reliability, and maintainability. Core Skills for the Python Software Engineer, Python, AWS Python, TDD & BDD, Monitoring £650 - 750pd Outside IR35 6-month More ❯

C#.NET LNG Developer Contract : 6 months (likely extension) Location : London (Hybrid) Our client, a leading Oil and Gas firm with a global presence, is seeking a skilled C#.NET Developer to join their dynamic team. The role will focus on enhancing and maintaining their bespoke LNG trading and risk management systems (ETRM). This is an opportunity to work More ❯

Scala Developer - London The company This is an opportunity for to join one of London s most exciting FinTech s! They are a rapidly growing company that are developing statistical models and analytic tools for sports. Excellent salaries and benefits on offer to attract the best talent. Up to £85,000 basic + Bonuses. A chance to join More ❯

Elite global hedge fund is now seeking a number of Computer Science graduates with a minimum of one years commercial experience in Python back end or React front end software development. The client is known for taking the top 1% of global talent for it's opportunities in it's London offices, and developing their careers within the company. More ❯

Software Developer (DV Security Clearance) Position Description CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a member not just … individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate. Your future duties and responsibilities As a Software Engineer in our Secure Innovation & Advisory division, you will play a key role in delivering innovative solutions to help safeguard our country. You will work closely with clients to … successful in this role Collaborate closely with clients and stakeholders to understand business requirements and translate them into effective technical solutions Design, develop, and deliver secure, scalable, and maintainable software applications Contribute to Agile delivery teams, ensuring high-quality outputs are achieved within tight project timelines #LI-JS2 Together, as owners, let's turn meaningful insights into action. Life More ❯

Specialist Talent that offer the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Project Change Professionals in large government organisations to Software Developers in the private sector we are always in search of the best talent to place, now. How Specialist Talent Works At Peregrine, we find the best talent for More ❯

C# Engineer Global Hedge Fund London [On-Site] We are working on behalf of a highly collaborative hedge fund with a global presence. The fund has a strong track record of performance and has committed significant resource to further expanding More ❯

Senior Software Developers/Engineers with Python, Terraform and Go Our Client is looking to recruit brilliant Software Developers/Engineers with upwards of 7 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We’re looking to recruit initially 2 excellent Software Engineers to work … with an existing team of 4 software developers on a very large strategic consulting engagement. Must be 100% trustworthy with real integrity ?" this is a highly sensitive project. Key skills Python Machine Learning ideally Terraform Go programming language If you are excellent with developing software with C++ and/or C# etc... then you can easily learn Go. … for this assignment will be dependent on your expertise ?" but will be in the range £500 to £2000 per day. Please note we really are looking for the best software developers ?" the cream of the crop ?" or crème de la crème. Do send your CV to us in Word format along with your daily rate and availability. More ❯

Software Developer with C# .Net SQL Server and RPG Role Description This is a full-time hybrid role based in London, offering flexibility for remote work. As a Software Developer with expertise in C# .NET, SQL Server, and RPG, your responsibilities will include developing software solutions, maintaining databases, and supporting system integrations. The Client a … with BAU and developing solutions in C# .net coupled with excellent SQL Server SSIS and RPG. Qualifications Proficiency in C# .NET, SQL Server, and RPG programming languages Experience in software development, database management, and system integration Strong analytical and problem-solving skills Ability to work independently and collaborate effectively in a team environment Excellent communication and documentation skills This More ❯

We are seeking an experienced .NET developer to play a significant role in the full SDLC of a niche and highly respected range of solutions. If you are looking for an enjoyable and challenging role that will utilize your full spectrum of technical skills and ingenuity, this is the opportunity for you. Based in great offices in South London … you will be part of a talented team working on developing MVC, Azure, WinForms, APIs, websites, databases, spreadsheets, tools, and more. Your responsibilities will include: Developing and shaping software using good OO and SOLID principles in a TDD approach Testing software Releasing and deploying software Supporting and fixing issues for clients and the support desk Participating in More ❯

Endur Software Developer (C#) – Commodity Trading House (London) - £75-120k Global leading commodity trading house with over 6,000 employees globally, with offices across London, Geneva, Houston, Singapore etc seeks a bright and dynamic Endur Software Developer to join their growing Endur Development Team working imminently on Endur v25 , working on their Endur ETRM system … applications, Endur release management, configuration, testing and production troubleshooting. Salary: £75-120k basic + bonus + benefits This is a fantastic opportunity for a bright and dynamic Endur Developer to join a rapidly growing commodity trading business in an in-house role working on the latest technologies and Endur v25, high base salary + excellent bonuses and dynamic … code Experience with GIT and JIRA You could be working either directly for a commodity trading business or working through a consultancy on-site at a commodity trading house Software development skills in another language/scripting such as Java, Angular, PowerShell would be useful Strong academics including a bachelor’s degree from a leading university, ideally in Computer More ❯

Endur Software Developer (C#) – Commodity Trading House (London) - £75-120k Global leading commodity trading house with over 6,000 employees globally, with offices across London, Geneva, Houston, Singapore etc seeks a bright and dynamic Endur Software Developer to join their growing Endur Development Team working imminently on Endur v25 , working on their Endur ETRM system … applications, Endur release management, configuration, testing and production troubleshooting. Salary: £75-120k basic + bonus + benefits This is a fantastic opportunity for a bright and dynamic Endur Developer to join a rapidly growing commodity trading business in an in-house role working on the latest technologies and Endur v25, high base salary + excellent bonuses and dynamic … code Experience with GIT and JIRA You could be working either directly for a commodity trading business or working through a consultancy on-site at a commodity trading house Software development skills in another language/scripting such as Java, Angular, PowerShell would be useful Strong academics including a bachelor’s degree from a leading university, ideally in Computer More ❯

Endur Software Developer (C#) – Commodity Trading House (London) - £75-120k Global leading commodity trading house with over 6,000 employees globally, with offices across London, Geneva, Houston, Singapore etc seeks a bright and dynamic Endur Software Developer to join their growing Endur Development Team working imminently on Endur v25 , working on their Endur ETRM system … applications, Endur release management, configuration, testing and production troubleshooting. Salary: £75-120k basic + bonus + benefits This is a fantastic opportunity for a bright and dynamic Endur Developer to join a rapidly growing commodity trading business in an in-house role working on the latest technologies and Endur v25, high base salary + excellent bonuses and dynamic … code Experience with GIT and JIRA You could be working either directly for a commodity trading business or working through a consultancy on-site at a commodity trading house Software development skills in another language/scripting such as Java, Angular, PowerShell would be useful Strong academics including a bachelor’s degree from a leading university, ideally in Computer More ❯

Senior Software Developer (PYTHON/AWS/REACT) - Health tech - tech for good, make a positive impact on the world Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design, implement, and maintain their publishing … software, systems, and customer-facing digital products. Requirements Design and implement systems and software to meet requirements using appropriate tools and methods. Promote the creation of high-quality code by commitment to practices such as test-driven development, pair programming and code review. Be responsible for the technical development of all stages of software creation, including testing … adoption of emerging technologies. Assist with the design, implementation, and testing of APIs that adhere to the Open API specification Knowledge & Skills for this job Able to demonstrate commercial software development experience. Practical experience in system design, development, testing and operational stability. Deep knowledge and experience in Python and its ecosystem, patterns and pitfalls. Experience applying continuous delivery, test More ❯

A leading, technology driven multi-strategy Hedge Fund, based in London, are seeking a talented Software Developer – Data Integration Specialist to join their innovative and highly experienced team. Essential Skills: Skilled software developer with 5+ years of experience in a related field Strong communicator with the ability to translate complex, user needs into smart, scalable solutions … A Polygot developer – particularly strong knowledge of Python Comfortable with AWS technologies and familiar with datalakes and databases A natural curiosity to explore new technologies, tools and techniques Experienced with Git and collaborative development workflows Confident working independently within a fast-paced, globally distributed team Worked with both structured and unstructured data (bonus) Prior exposure to financial data sets More ❯

Software Developer Post-Trade Automation A prestigious Investment Management client, with a leading scientific approach to trading and investment strategies have kicked off this quarters hiring plans through Ncounter. The systematic trading firm is seeking a Software Developer with expert Python knowledge to join the Post Trade team within the Development department, with positions available in … deep understanding of trading, booking, and position keeping is essential, along with experience in scalable and high-availability architectures will be advantageous. You will be capable of producing robust software components and thriving as an independent contributor within a dynamic team. Additional knowledge of OTC products, C++, and Big Data tools will distinguish you in this role. More ❯

Software Developer (Python and/or Java) 📍 Location: London (Hybrid) 💵 Salary: Up to £100,000 + Bonus + Full Benefits Package 🚨 The Opportunity Step into a high-impact Software Engineer role at a top-tier tech-driven firm where you’ll help automate and optimize the full lifecycle of trading, research, and back-testing systems. This is More ❯

Software Developer (Python and/or Java) Location: London (Hybrid) Salary: Up to £100,000 + Bonus + Full Benefits Package The Opportunity Step into a high-impact Software Engineer role at a top-tier tech-driven firm where you’ll help automate and optimize the full lifecycle of trading, research, and back-testing systems. This is More ❯

A newly created position has arisen for a Low Latency C++ Software Developer to join the FX Trading desk to work on key trading systems during trading hours. This is a leading bank in the City that is expanding and the role has arisen out of growth. Some of the duties within this role will include but are More ❯

A niche electronic trading quant fund based in London are now seeking a top end C++ Software Engineer to join it's growing team. You will have prior experience at an elite quant trading firm or similar company of equivalent scale/complexity. In this high performance computing team, you will be responsible for building low-level programming, distributed … systems. Your experience will be at scale in advanced C++. Ideally Computer Science Degree or similar discipline with 1st class grade Commercial experience in C++ Software Engineering, performance software Financial trading, banking or hedge fund exposure Strong interest in working for a top end, high performance, tech-driven hedge fund Great work environment, WFH/Hybrid opportunity. Excellent More ❯

A niche electronic trading quant fund based in London are now seeking a top end C++ Software Engineer to join it's growing team. You will have prior experience at an elite quant trading firm or similar company of equivalent scale/complexity. In this high performance computing team, you will be responsible for building low-level programming, distributed … systems. Your experience will be at scale in advanced C++. Ideally Computer Science Degree or similar discipline with 1st class grade Commercial experience in C++ Software Engineering, performance software Financial trading, banking or hedge fund exposure Strong interest in working for a top end, high performance, tech-driven hedge fund Great work environment, WFH/Hybrid opportunity. Excellent More ❯

A newly created position has arisen for a Low Latency C++ Software Developer to join the FX Trading desk to work on key trading systems during trading hours. This is a leading bank in the City that is expanding and the role has arisen out of growth. Some of the duties within this role will include but are More ❯

About the Job Linux and HTTP Virtualisation Software Developer Our Client is looking to recruit a candidate with experience of developing software for the virtual support market. It is essential that the you can demonstrate skills and experience in the following areas: Linux (Ubuntu and CentOS, management & maintenance etc.) Knowledge of Configuration Management Automation tools like Chef … day to day role): Virtualisation with KVM/QEMU Scripting skills (Powershell, Python, Bash, Ruby, Perl, etc.) LAMP (or components of - Linux, Apache, MySQL, PHP) OpenStack (or similar cloud software platform) VMware ESXi Hypervisor Data Modelling tools (XML, NETCONF, YANG, JSON) Must have the ability to break down larger projects into smaller components, and to be able to work More ❯

C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor More ❯