126 to 150 of 192 Software Developer Jobs in London

Full Stack Software Developer 197637

Location
Greater London, England, United Kingdom
This is an opportunity to join a highly technical engineering team working on complex, performance-driven software in a fast-paced environment. You'll have the chance to take ownership of impactful projects, influence technical direction, and collaborate with experienced engineers who value high-quality software development. … .NET Work on a combination of greenfield development and existing systems Contribute to system architecture and technical decision-making Develop scalable, high-performance software solutions Collaborate closely with engineers and stakeholders across the business Support performance optimisation and continuous improvement initiatives Take ownership of projects from design through ...

Senior Software Developer

Hiring Organisation
Stantec
Location
London, United Kingdom
Salary
Confidential
everyone can thrive. Through teamwork and collaboration, we’re building a stronger, more resilient Stantec every day.We are seeking a seasoned Senior Full Stack Developer to join our engineering team. This role is designed for a technical powerhouse who excels in building modern web applications, balancing the power … implement agentic development approaches, integrating LLMs and autonomous agents into application workflows to enhance automation and user experience.Required QualificationsExperience: 5+ years of professional software development experience.Python Mastery: Expert-level knowledge of Python and at least one mainstream framework (e.g., Django, FastAPI, or Flask).Front-End Proficiency: Highly desirable experience ...

Software Developer- C#

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Global Fintech firm that specialize e-invoicing and invoice finance. Salary: 65k + Bonus + Options + Flex Working + PensionC# ASP.NET MVC FullStack Developer – Fintech50Quant Capital is urgently looking for a C# ASP.NET MVCDeveloper to join our high profile client. My client is a growing global Fintech business … City of London. The ASP.NET MVC Development role is expansionary due to a brand new international platform being created. The ASP.NET MVC Developer will be involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript ...

BSS Software Developer

Hiring Organisation
MBR Partners
Location
London, United Kingdom
Salary
£ 80 K
engaged by our telecommunications client to find a BSS Software engineer for their London Office . The role requires 2 days a week in the office, and the candidates must have the right to work in the UK ( not dependent visa ).The role is ideal for a hands … technologist who enjoys tackling complex business challenges and delivering high-quality software solutions. The successful candidate will be responsible for technical design, development, and delivery of enhancements to the client’s core BSS/OSS products. Responsibilities • Design and develop customisations of BSS products• Develop new R&D; features ...

Junior Software Developer (Python)

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 70 K
another role, we will reach out about the alternate opportunity.Position Overview:At Squarepoint we use Python to build a great deal of the software needed to solve crucial problems every day. You will work on a wide range of systems that fuel our trading success including, but not limited … core tooling and frameworks, data pipelines used to feed predictive models in research and trading, and software products used worldwide by traders and researchers.You will collaborate with experienced software developers and quant researchers to enable the continued growth of our investment business, solving problems at scale, and gaining ...

Java Software Developer

Location
Greater London, England, United Kingdom
support our leaders to grow, influence, and shape the future of the business. The Role We are looking for an experienced Java Software Engineer to join Fasanara Digital and take significant ownership of systems supporting our 24/7 trading activity. The role will focus on the development … with engineers and investment stakeholders to translate business requirements into effective technical solutions. Use modern AI-assisted development tools to improve engineering productivity and software quality. Essential At least 5 years of professional software engineering experience. Strong commercial Java experience. Experience designing and developing distributed systems. Experience working ...

Backend Software Developer with C# and Umbraco

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: cv@nexusjobs.comTelephone: 020 7488 6900Apply for this job nowJob DescriptionBackend Developer (Umbraco) - Senior-levelWorking as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal … award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a technical perspectiveCollaborating with the front end developer and design resource to deliver improved UI & UXA problem solver - you'll need to be able to analyse and suggest improvements to existing website ...

Trading Systems Software Developer – Systematic Market Maker

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
Trading Systems Developer – Systematic Market Maker Location: London (onsite 4 days)200,000-400,000 total compensationQuant capital is urgently looking for a Software Engineer to join a prestigious market maker. This role sits in a highly autonomous engineering team building performance-critical trading systems that power both ...

C++ Software Developer- Trading Systems

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
C++ Developer Prop TradingUp to 85,000 + bonus and benefitsQuant Capital is urgently looking for a C++ Developer to join our high profile client in their main development team.Our client is well known tech driven trading firm, they provide software to the market and also prop … excellent salary and benefits package, flex working. Including Options from day 1.My client is based in the City of LondonC++, Low Latency, Linux Developer, noSQL, Data Science ...

Software Developer - Order Gateway

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 120 K
essential for routing orders and managing trade information across global exchanges and brokers for multiple asset classes. We are seeking a highly skilled senior developer who thrives on tackling technical challenges. This is an ideal opportunity for an ambitious developer seeking to accelerate their personal growth. … stakeholders and cross-functional teams to understand business needs and translate them into robust technical solutions.Remain hands-on, directly driving technical delivery and ensuring software quality and reliability.Actively participate in architectural and design discussions, as well as code reviews, providing guidance and support to peers.Champion best practices throughout ...

Software Developer - Order Gateway

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, UK
Employment Type
Full-time
essential for routing orders and managing trade information across global exchanges and brokers for multiple asset classes. We are seeking a highly skilled senior developer who thrives on tackling technical challenges. This is an ideal opportunity for an ambitious developer seeking to accelerate their personal growth. … cross-functional teams to understand business needs and translate them into robust technical solutions. Remain hands-on, directly driving technical delivery and ensuring software quality and reliability. Actively participate in architectural and design discussions, as well as code reviews, providing guidance and support to peers. Champion best practices throughout ...

Senior AI Software Developer

Hiring Organisation
WorldQuant
Location
London, United Kingdom
Salary
£ 100 K
relaxed yet intellectually driven. We seek people who think in code and are motivated by being around like-minded people.The Role: Join a software engineering team at the forefront of agentic AI and quantitative finance, focused on building reliable, scalable systems that transform how complex software and research … real-world quantitative investment problems. You will design, build, and productionize solutions for AI-first quant investment processes. What You’ll bring:Strong software engineering fundamentalsHands-on experience applying AI coding tools, LLMs, agents, or AI-assisted development workflows in practical settings.Ability to design AI-first processes.Experience building production ...

Software Developer- ASP.NET MVC

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
Well known FX fintech50 business, City of London, 10 Man flat Dev Team Pay: 65k, Bonus, Pension, Life/Health, Some Flex WorkingASP.NET MVC Developer FintechQuant is urgently looking for an ASP.NET MVC Developer to join our high profile client.Current challenges include cloud migration, greenfield trading platform development ...

Software Developer ASP.Net

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
volume Firm: Well-known gifting platform, retail facing. Pay: 55k, Bonus- 750 training budget, Pension, Life/Health, Some Flex Working Location: ChelmsfordASP.NET MVC Developer FintechQuant is urgently looking for an ASP.NET MVC Developer to join our high profile client.Current challenges include cloud migration, greenfield platform development … bank based API creation.Our client is a well known gifting retail platform.Day to day the ASP.NET Developer will:Implementation of Leading Ecommerce Market Trend Analysing application specifications and technology approaches to ensure business requirements are met and are scalable for future product releases. Web portals enhancements Working with business ...

Software Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
volume Firm: Well-known gifting platform, retail facing. Pay: 55k, Bonus- 750 training budget, Pension, Life/Health, Some Flex Working Location: ChelmsfordASP.NET MVC Developer FintechQuant is urgently looking for an ASP.NET MVC Developer to join our high profile client. Current challenges include cloud migration, greenfield platform development … bank based API creation. Our client is a well known gifting retail platform. Day to day the ASP.NET Developer will: Implementation of Leading Ecommerce Market Trend Analysing application specifications and technology approaches to ensure business requirements are met and are scalable for future product releases. Web portals enhancements Working ...

Lead Software Developer

Hiring Organisation
Arch Capital Group
Location
London, United Kingdom
Salary
£ 80 K
catalyst that helps others achieve their goals. In short, We Enable Possibility.Technical Guidance:Provide technical guidance and leadership in the design and development of software applications using C#.Ensure the application of best practices in coding, testing, and maintenance.Stay updated with the latest developments in C# and related technologies.Software Development ...

Software Developer (Python)

Hiring Organisation
Netcompany
Location
London, United Kingdom
Salary
£ 100 K
career development opportunities, as well as the opportunity to explore new and cutting-edge technologies. This role supports the full life cycle of software development and includes the opportunity for hands-on coding in a greenfield environment. Can you see yourself playing a crucial role in supporting and driving … design of new featuresAnalysis and design of the overall solutionDaily sparring with your teamFull life cycle of deliveryQualifications2+ years of Python programming experienceDegree in Software Engineering, Computer Science, Information Technology or similarExperience across the full software development lifecycleExperience in Databases, including MongoDB, SQL or Document DatabaseFull-Stack ...

Software Developer - Core Data

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 100 K
performance. Our technology supports every stage of the investment lifecycle, from research and backtesting to trading and portfolio management.We are looking for talented software engineers with strong Python and/or kdb+/q experience to join our team. You will be part of a collaborative, learning-oriented environment … role in production support and operational excellence during business hoursRequired Qualifications:Bachelor’s degree in Computer Science, Engineering, or related subject4+ years of professional software engineering experienceProficiency in Python and/or kdb+/qExperience developing software in a Linux environmentExcellent verbal and written communication skillsCuriosity ...

Lead Software Developer

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
South West London, London, United Kingdom
Employment Type
Permanent
Architect the platform that runs home life. We're hiring a Lead Backend Engineer to design a global, agentic-first platform for moving and home life. Fast enough for live voice. Reliable enough for agents ...

Lead Software Developer

Hiring Organisation
We Love Alfa
Location
SW1A, Victoria, Greater London, United Kingdom
Employment Type
Permanent
Architect the platform that runs home life. We're hiring a Lead Backend Engineer to design a global, agentic-first platform for moving and home life. Fast enough for live voice. Reliable enough for agents ...

Senior Python Backend Software Developer

Location
Greater London, England, United Kingdom
About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to ...

Software Developer- C# API- Tonbridge

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
C# API Developer65,000 Plus BonusHome work and flex work encouragedQuant Capital is urgently looking for a C# .NET Developer to join our high profile client.Our client is the world leader in Market data management systems, with clients globally such as most of the major investment banks. Their team … Tonbridge is at 63 and rapidly expanding. As a developer you will work in small teams consisting of a BA, Implementation consultant, web and windows developer and a PM.You will focus on a third-generation .NET web application suite, although legacy solutions also comprise of C# ...

Associate Software Developer (Web)

Hiring Organisation
FlexTrade
Location
London, United Kingdom
Salary
£ 80 K
collaborate as one team. All of these while having fun truly makes FlexTrade a wonderful place to work.The TeamWe are looking for an amazing developer to join our team building FlexTrade’s OEMS platform, FlexONE, which is our state-of-the-art, fully integrated Order Management System and Execution … application.The London team is an experienced group of Java and Scala developers, with a deep understanding of UI and UX design. We deliver our software using agile methodologies, and we encourage best practices such as TDD, code reviews and pair programming for knowledge sharing and learning. Our team owns ...

Senior Java Software Developer London, UK

Location
Greater London, England, United Kingdom
through 2026. Our role offers a permanent, full-time position working from our London office on a hybrid work schedule. As a Senior Java Software Engineer, you will: Participate in all phases of the product lifecycle, including design, development, documentation, testing, integration, deployment, and ongoing support. Participate in mentoring … opportunities requiring it. We have an ambitious L&D policy to support your learning and growth Requirements You are predominantly a backend Java developer with at least 7 years of experience building complex distributed systems. You have built applications from the ground-up with a deep understanding of core ...