Join our team at the Guardian and be a part of a diverse and inclusive global organisation that delivers fearless, investigative journalism, and holds power to account. Our team of award-winning journalists, cutting-edge commercial professionals, and industry-leading digital experts are committed to making a difference and represent a wide range of backgrounds and perspectives. We offer a challenging and exciting environment for career development, with a focus on training, growth and fostering an inclusive culture. We are now looking for a Senior Android Developer to join our Apps team. Development of digital products is central to the Guardian. We create our award-winning Android app primarily in Kotlin and Java using Android Studio. We're focussed on providing a fast and stable experience to our users, and our Play Store rating of 4.7 stars is testament to that. You'll work on major new features, as well as improving and maintaining existing functionality for The...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview The Commodities trading business at Citi has grown significantly in the last 10 years to become one of the leading industry players. It is a federated business model that covers market-making across all types of assets including Oil, Gas, Power, Agriculture, Emissions, Metals, Freight, Exotics and Indices. This role is within the London Commodities Risk Technology team, focussing on our front-office trading platform. This proprietary trading platform is currently going through an exciting re-engineering phase and we are seeking to build out the development team. This front-office risk system calculates large volumes of results data, so there are considerable challenges...

Quant Developer – Trading Analytics – Equity Derivatives Tech Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Equities Tech Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology...

FX Risk Java Tech Lead   Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. What We do / The Team Citi's Markets technology team is growing at lightning speed, and we're looking for talented technology leaders to help build the future of global banking. As the world's most global bank, Citi provides an opportunity to touch every corner of the globe...

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deployment, and maintenance of the production derivatives credit risk application, used for internal risk management and regulatory capital purposes. The Counterparty Credit Risk Senior Application Developer position is a senior role that will interface closely with Quant and Front Office technology teams to integrate pricing models and workflow enhancements within the ACE application. There will be exposure to a wide range of technological frameworks, including distributed computing architecture. The role will involve tasks such as: Developing and maintaining the Counterparty Credit Risk applications, leveraging in-house Python and C++ model libraries. Supporting and...

C# Developer - Equity Derivatives Technology Risk (AVP) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.  What We do / The Team  Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology...

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Citi is seeking a highly motivated and curious full-stack engineer work embedded within the Systematic & Credit Portfolio Trading business and build out a first-class ecosystem of trading tools . This role offers a unique opportunity for in-person collaboration with traders, quants, and product...

By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Team/Role Overview Citi is looking for a Quantitative Developer to join the FX options quantitative development team, building and maintaining the pricing and risk infrastructure that powers the FX Options trading desk. In this role, you will sit at the intersection of software engineering and quantitative finance, translating complex mathematical models into robust, production-grade systems used by traders and structurers daily. This is an opportunity to make a direct and measurable impact on how FX Options are priced, risk-managed, and delivered at global scale.   What you’ll do Build and maintain analytics libraries that support real-time pricing and risk management for FX Options products. Design and implement quantitative pricing models using...

Who We Are Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling organizations to grow, building competitive advantage, and driving bottom-line impact. To succeed, organizations must blend digital and human capabilities. Our diverse, global teams bring deep industry and functional expertise and a range of perspectives to spark change. BCG delivers solutions through leading-edge management consulting along with technology and design, corporate and digital ventures-and business purpose. We work in a uniquely collaborative model across the firm and throughout all levels of the client organization, generating results that allow our clients to thrive. What You'll Do You will lead the Developer Experience pillar of the Platform...

Role : D365 Developer Location: London Salary: £70,000 Days in the office: 1-2days a week My client is looking for a D365 Developer to join a growing technology function supporting a major transformation programme, where you'll play a key role in developing scalable solutions, enhancing business processes, and helping drive the adoption of Dynamics across the wider organisation. Key responsibilities: Design, develop and support D365 solutions across the wider Microsoft ecosystem including Power Platform and Dataverse Work closely with business stakeholders to understand requirements and translate them into practical, value-driven technical solutions Collaborate across technology teams including Cloud, Power Platform and wider development teams to deliver integrated member journeys Follow modern engineering practices including DevOps, source control, solution management, governance and deployment standards Challenge existing processes and identify opportunities where...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: UI Developer Lead Location: Bromley - Hybrid ( 3 days in office) Contract: 12 months with possible extension. Rate: 850 inside umbrella Description: Highly skilled UI Developer to spearhead the development of the Single Dealer Platform within our Electronic Fixed Income Currencies business. The ideal candidate will have deep expertise in React, RxJS, and modern UI frameworks, combined with strong leadership and architectural skills to deliver high-performance, scalable, and intuitive trading interfaces. Key Responsibilities: Lead UI Development...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London. It is a full-time role, 37 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers. Strategize, develop, test, and deploy new features and experiments. Engage in collaborative coding practices such as pair programming and code reviews within the team. Contribute to...

Join Our Team as a UI/UX Developer - Financial Services! Location: London Contract Length: 12 months Industry: Financial Service Working pattern: 3 days a week in the office, Via Umbrella Company Are you a creative mind with a passion for crafting user-friendly experiences? Do you thrive in dynamic environments where your ideas can shine? If so, we have the perfect opportunity for you! We are on the lookout for a talented UI/UX Developer to join our vibrant team in the heart of London. Who You Are: We're looking for a UI/UX Developer who is not just skilled but also enthusiastic about creating exceptional user experiences. If you possess the following qualities, we want to hear from you! Experience: Proven experience as a UI/UX Developer within financial services or similar, with a strong portfolio showcasing your design projects. Skills: Proficiency in design tools such as Sketch, Figma, Adobe XD, or equivalent. Understanding: Solid understanding of...

Adecco is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Are you a talented BPM Developer looking for an exciting opportunity in the banking industry? Our client is seeking an enthusiastic and skilled individual to join their team for a 6-month temporary contract. If you're ready to make an impact, we want to hear from you! Role: BPM Developer Duration: 6 Months (ext. options) Location: London (Hybrid, 3 days a week in office) Rate: 415 - 490 per day (umbrella) Your Role: As a BPM Developer, you will play a pivotal role in understanding business requirements and designing applications and workflows...

Senior Software Developer (Contract) Duration: Up until 31 March 2027 (Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive salary is available for suitable candidates Role Profile This role focus on the development and support of systems responsible for back-office integration and Repo trading workflows. The positions require strong technical skills, familiarity with trade lifecycle processes, and the ability to work across front to back teams to ensure accurate and timely data flows. Key Responsibilities: Develop and maintain applications that integrate Fixed Income and Repo trades with downstream back office, settlement, and risk systems. Support and enhance the Repo trading application, including trading workflow tools, reconciliations, and connectivity with internal and external platforms. Build and optimize C# services that ensure robust trade capture, enrichment, validation, and...

Ref: 23437 Job Title: ServiceNow Developer The Skills You'll Need: ServiceNow, CIS-CSM certification Your New Salary: 45.00 to 59.83 per hour = 87,750 to 116,668 per annum Hybrid 44 weeks temporary agency worker (PAYE) Start: ASAP Working hours: 37.5 hours/wk ServiceNow Developer - What You'll be Doing: This role is hands-on engineering to deliver ServiceNow solutions. Proven development and implementation experience across the ServiceNow platform Provide technical insights on the capabilities and best practices of the ServiceNow platform Engage, demonstrate and influence stakeholders in a consultative manner. Transform business requirements into technical solutions. Plan, estimate and size deliverable platform changes Design, build and implement platform changes ServiceNow Developer - The Skills You'll Need to Succeed: Strong ServiceNow development experience Hands-on development experience on the Service Portal Strong technical...

Senior Systems EngineerAbout the OpportunityWe are a growing technology business seeking a talented Senior Systems Engineer to join our engineering team. This role offers the opportunity to work on scalable systems, modern applications, and cloud-based infrastructure while contributing to the development of innovative digital products and services. As part of a collaborative Agile team, you will work closely with engineers, product managers, designers, and other stakeholders to deliver high-quality software solutions. You'll play an important role in improving platform performance, reliability, and scalability while helping shape the future direction of our technology. The Role As a Senior Systems Engineer, you will be responsible for designing, developing, and maintaining software solutions across multiple systems and applications. You will contribute to technical decision-making, support ongoing platform improvements, and help ensure the delivery of reliable and high-performing...

Job Type: Permanent Build a brilliant future with Hiscox   Principal Machine Learning Engineer Location: London/York   Why Hiscox London Market Hiscox London Market sits at the centre of global specialist insurance, tackling some of the most complex and unusual risks in the world. These are not commoditised problems, they demand deep expertise, strong judgement, and increasingly, sophisticated data and machine learning capabilities. We have a strong track record of putting AI into real production use, from augmenting underwriting decisions to shaping future market standards through partnerships and market‑first innovation. This is an environment where advanced ML systems are expected to operate reliably, safely, and at scale, not remain in experimentation. You’ll join a culture that values technical excellence, ownership, and courage, where senior individual contributors are trusted to set direction, challenge thinking, and build platforms that matter. For a...

Role Description The Solution Consultant role is a key role within the Solution Consulting team, and will provide leadership and expertise in the following areas: Providing up to date knowledge, awareness of current trends and future direction of the local asset management industry Presenting & explaining existing FNZ capability Defining and challenging scope of a project Capturing & documenting customer business outcomes to create requirements, solution designs and agreeing of Joint Target Operating Models Platform integration design Business transformation support and consultancy services Regulations and advice on platform compliance Customer training programmes and knowledge transfer Platform configuration and delivering of FNZ’s Model Wealth Solution (MWS) process Analyst & Developer handovers and support Functional Reviews & TDD walkthroughs Defining business readiness processes and agreeing...

FX Client & Sales Technology - Senior Software Engineer (SVP) The STIRT Engineering Lead is a  London-based Senior Vice President  responsible for the  hands-on design, architecture, and implementation  of the full front-to-back technology platform supporting the STIRT business. This role sits at the intersection of engineering excellence and business partnership, requiring deep engagement with traders, quants, and stakeholders across FX and Rates desks. The role demands a  technically deep, hands-on engineering leader  with strong expertise in capital markets systems, responsible for driving the strategic evolution of STIRT technology — spanning curve construction, RFQ and pricing workflows (for FX and Interest Rate Derivatives) — while managing a globally distributed engineering team. The successful candidate will own the end-to-end technology vision for STIRT, eliminating fragmentation across trading units and delivering a modern, high-performance, resilient platform...