Senior Software Developer

1 week ago


City Of London, United Kingdom White Swan Data Full time

Senior Software DeveloperDepartment: EngineeringEmployment Type: Full TimeLocation: London, UKReporting To: Pierre Weller Description Technology is at the heart of our business and has produced consistent and significant results. We are a small but rapidly growing team of mathematicians, data scientists and software engineers constantly striving to refine our world class statistical models while also researching and deploying new ones. Our work bridges three domains, each challenging in its own right - iGaming, quantitative research and software development. This convergence demands a rare blend of skills and creativity to identify and capitalise on inefficiencies across the iGaming landscape. The opportunities are vast, but we are only as good as the people we bring on board. As a startup, we offer a dynamic and entrepreneurial environment where you’ll work on impactful projects and have the autonomy to explore new ideas. In-person collaboration and innovation are at the heart of what we do, and we are always looking for individuals who can contribute their unique perspectives and talents to help us stay ahead in a constantly evolving industry. About the Role The successful candidate will join a team which develops betting solutions. These betting solutions entail the development of mathematical/statistical models and high-performance algorithms; efficient coding; automation of betting operations; data generation, acquisition, storage and manipulation; and performance analysis through back-testing and simulations. We are on the hunt for a Senior Software Developer experienced in either the Python or NodeJS programming languages. In addition, we are looking for someone who is an expert in one of the following: Scraping / data collection Computer vision Video streaming Databasing, data streaming, architecture + infrastructure Key Responsibilities Collaborate with product owners, business managers and other developers to understand user requirements and develop high-quality software solutions. Write clean, maintainable, and efficient code that adheres to industry best practices and coding standards. Debug, troubleshoot, and resolve software defects and issues in a timely manner. Develop using the most suitable language with a bias to Python or NodeJS. Participate in code reviews, testing, and deployment processes to ensure software quality and reliability. Stay up-to-date with the latest trends and technologies in development and apply them to improve the performance and usability of our web applications. Skills, Knowledge and Expertise Must have: Professionally experienced using either Python or NodeJS. Expertise in one of the following: Scraping / data collection Computer vision Video streaming Databasing, data streaming, architecture + infrastructure Nice to have: Statistical modelling and skills in data analytics. Strong attention to detail and ability to retain information. BSc in mathematics, statistics, computer science, engineering or other quantitative discipline. Strong communication and collaboration skills. Positive ‘can do’ attitude, and ability to meet deadlines. Willingness to learn and adapt to new environments. Experience in the financial, betting, or gaming industries. Benefits Salary depending on experience. Annual discretionary performance bonus. 25 days holiday per annum, plus UK bank holidays. Private health & dental insurance. Optical cover through Aviva. Pension plan. Gympass membership to over 1900 gyms and wellness businesses. Breakfast bought in every day and lunch bought in twice a week Free coffee & snacks at the office. Regular team events & socials. #J-18808-Ljbffr



  • City Of London, United Kingdom Spectrum IT Recruitment Full time

    Overview Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a highly talented development team and will be involved in creating and maintaining our client's applications based on a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield, allowing...


  • City Of London, United Kingdom Dyad Full time

    Overview Dyad is hiring a senior software developer to work in an up-and-coming healthtech startup with a strong emphasis on quality and collaboration. We are easy on Elixir-specific experience and care more for familiarity with language-agnostic technical practices that allow fast iteration while preserving peace of mind. About ElixirDevs ElixirDevs is a...


  • City Of London, United Kingdom Djangojobs Full time

    Book Learn Pass is a digital platform built to help learner drivers in the UK pass their driving test. We build apps, training guides, and driver training resources designed to give learners the best chance at passing their driving test. Our training materials are used by thousands of learners each day and we're proud to improve the standard of driving in...


  • City of London, United Kingdom Matched Full time

    Senior Full Stack Software DeveloperTech: AWS, NodeJS, TypeScript, JavaScript, ReactJS, React NativeWhy? start-up financial services, revolutionising the industryLocation: Hybrid - 1/2 days in the office (Central London)Our ClientA new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering...


  • City Of London, United Kingdom Adecco Full time

    Job Title: Senior Software Developer PythonContract Length: 12 MonthsDay Rate: £600 - £650 Inside IR35Location: London, Manchester or BristolWorking Style: Hybrid - 2 days onsiteRequires Active SC ClearanceAre you ready to make a difference? Join our client, a leading organisation in the Central Government sector, dedicated to transforming public services...


  • City of Westminster, Greater London, United Kingdom Spyrosoft Full time £80,000 - £120,000 per year

    LocationLondonHybrid – 1-2 days a week in the officeeligibility to work in the UKRole OverviewWe are looking for 2 experienced Senior Developers, preferably people who are experienced with Back End development, to join a team of eight mid-senior level developers on a greenfield Stream Factory project. This is a cutting-edge cloud solution that handles...


  • City Of London, England, United Kingdom Spectrum IT Recruitment Full time £60,000 - £120,000 per year

    Senior Software Developers specialising in trading systems required for an excellent client based in London.The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield...


  • City of Westminster, Greater London, United Kingdom Spyrosoft Full time £70,000 - £110,000 per year

    LocationLondonHybrid – 1-2 days a week in the officeeligibility to work in the UKRole OverviewWe are seeking a highly skilled Senior Software Developer to lead the design and development of high quality, cloud native software solutions that drive real product and business impact. In this role, you will work closely with principal engineers and architects...


  • City of Edinburgh, United Kingdom Royal London Full time

    Job Title: Senior Software Developer Contract Type: Permanent Location: Edinburgh or Plymouth Working style: Hybrid Closing date: 8th December 2025 We have an exciting new opportunity for a Senior Software Developer who will design, develop, test and implement efficient solutions that meet business and customer requirements. About the role You will develop...

  • Software Developer

    4 days ago


    City Of London, United Kingdom Britlogic Full time

    Description We are seeking a highly experienced Senior Java Developer to join our engineering team. In this role, you will lead the design and development of robust, scalable backend systems using Java and modern frameworks. You’ll play a key part in architectural decisions, mentor junior developers, and collaborate closely with stakeholders to deliver...