88 ios engineer jobs found in London

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. Our engineering team is building technologies that are revolutionizing the financial services industry by empowering millions across the globe. We are looking for a Mid-level iOS engineer to join our growing engineering team, to rapidly create, iterate and launch high-quality software that empowers users all over the world. Ultimately, you should be able to adapt easily to meet the needs of our fast growth and the rapidly evolving crypto ecosystem. Our development team is tackling some of the most interesting problems in the crypto space while rapidly and securely scaling a distributed platform that touches millions of people a day. We want you to join us! WHAT YOU WILL DO Build & Ship:...

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a year ago we split out as a separate business.  Starling Bank has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. Our technologists are at the very heart of Engine and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We...

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will...

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more about Our Story here. We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far...

The Role: Trading Systems Engineers are the front line of Markets FX client services working with clients on a day-to-day basis. We provide mission critical systems for foreign exchange and Trading Systems Engineers ensure those systems are functioning at 100% availability.  TSEs provide hands-on system operation, answer questions, support in-house teams, troubleshoot problems, perform upgrades and anything else required, ensuring our clients have a reliable and dependable service.    Key Responsibilities: Monitor, deploy and support sophisticated technical trading systems for the global client base. Troubleshoot and restore systems and processing in event of incidents and problems.  Perform regular system checks and analysis and provide reports of system function and service level.  Manage in-bound service requests and questions.  Recognising and escalating critical issues according to process. Perform proactive event management. Interact with a wide...

Lab49 is an award-winning specialist consultancy that  creates bespoke technology  in partnership with the most important companies in finance.  We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science.     Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally.    Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers will work in cross functional teams, consulting directly with our clients, shaping not only technical solutions to...

The Role: This is an amazing opportunity to work with Information Security and Compliance Team at ION. As a Product Security Engineer, you would be the key enabler of secure and compliant products. You should have knowledge of attack paths across the technology stack, including tactics, techniques and procedures (TTPs) used by adversaries to exploit vulnerabilities. You will be trusted advisor throughout the product development lifecycle, incorporating knowledge of emerging threats, business goals and system design to improve platform security posture. You will be responsible for aligning the Markets security strategy, security design and controls engineering to product roadmap. You will also be responsible for providing transparency to leadership on product control performance and associated risk.   Key Responsibilities: Within the Product Security Team as part of the ION Markets CISO function, you will deal with the following activities: Monitor and identify...

Lab49 is seeking a highly skilled Data Modeler with expertise in building application data models covering multiple capability areas of business that include Finance, CRM and also Master Data Management (MDM) to support a large-scale Programmes.  This role requires a strong understanding of financial services, corporate systems and consulting environments. The ideal candidate will work closely with cross-functional teams, including data architects, business analysts, and engineers, to design robust,  scalable, and compliant data solutions.   Key Responsibilities: Develop conceptual, logical, and physical data models to support enterprise-wide MDM initiatives. Develop end to end data lifecycle events flows, mapped to logical model and physical systems.  Document and maintain data dictionaries, metadata, and entity relationships. Translate requirements into optimal data structures. Define and enforce data governance policies and standards. Design data models for...

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are seeking a proactive and skilled  Senior Full-Stack Engineer  to join our lean, high-impact team and help shape the future of Web3. You’ll dive deep into building innovative financial and crypto-native products, services, and APIs, playing a pivotal role in delivering cutting-edge onchain solutions. This role is ideal for engineers who are passionate about Web3 and who thrive in fast-paced, high-ownership environments. As a senior member of the team, you’ll take on complex technical challenges across the entire stack—from crafting performant user interfaces to architecting backend services, as well as writing smart contracts that power next-generation financial products. You’ll work closely...

The role is for a business focused Site Reliability Engineer with solid experience in IT environments, tools, and technologies. The individual filling this role will be a business focused problem solver with a desire to learn and closely partner with highly engaged production Risk, Operations, BDRM (Business Development & Relationship Management) and IT Development teams to maintain the smooth running of CDSClear application and infrastructure. The role will implement responsibilities defined by the team lead, working or being on call during defined hours.  The role will be based in London. There will be constant interaction with users based in Paris and New York. Shift work to cover US clearing hours or end of day batches will be required though the model for this is expected to evolve over time and further regional build out is expected to reduce the requirement for this over time. Key responsibilities: Level 2 IT support for the CDSClear business including hands...

Tower Research Capital is a leading quantitative trading firm founded in 1998. Tower has built its business on a high-performance platform and independent trading teams. We have a 25+ year track record of innovation and a reputation  for discovering unique market opportunities. Tower is home to some of the world’s best systematic trading and engineering talent. We empower portfolio managers to build their teams and strategies independently while providing the economies of scale that come from a large, global organization.  Engineers thrive at Tower while developing electronic trading infrastructure at a world class level. Our engineers solve challenging problems in the realms of low-latency programming, FPGA technology, hardware acceleration and machine learning. Our ongoing investment in top engineering talent and technology ensures our platform remains unmatched in terms of functionality, scalability and performance. At Tower, employees will find a stimulating,...

Role Purpose To work across defined business area (D&A) and ensure that Security capabilities are deployed, threat actors and cyber risks identified and target state maturity is in compliance with the expected Group Information Security policies, standards and capabilities as well as Regulatory requirements. Act as the point of contact for Information Security related issues within defined business area for both internal and external partners. This role will partner with the business to enable alignment of business needs with security objectives. Key Responsibilities Develops an understanding of business area’s direction, priorities, opportunities and challenges in order to prioritise security focus and drive good risk decisions Contributes to the development, communication and maintenance of the business area’s information security strategy and allow potential opportunities through security innovation to be explored Drives development, implementation,...

Role Purpose As Group Director, Head of Security Architecture, you’ll be a core member of the LSEG Cyber Security team. You’ll lead and set the direction for the Cyber Security Architecture team which delivers across a number of areas: Principal Security architecture – a team of engineers who ensure security is build in to all projects across the group. Each architect is aligned to our business units and builds a deep relationship with the teams in that unit. Security Architecture Design – a central function that delivers design patterns to ensure a consistent implementation of our controls across the group. This team researches new technologies, and provides guidance on how to secure them. They also run a project to provide a risk posture review across the application portfolio against our standards. This team also runs design forums, assists in policy and standard creation, and provides consulting on hard security problems as needed. Security Architecture review – a...

The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions. Through our people and technology, we connect clients to superior liquidity and data solutions. The Group is home to a stable of premium brands. Collectively, TP ICAP is the largest interdealer broker in the world by revenue, the number one Energy & Commodities broker in the world, the world’s leading provider of OTC data, and an award winning all-to-all trading platform. The Group operates from more than 60 offices in 27 countries.  We are 5,300 people strong.  We work as one to achieve our vision of being the world’s most trusted, innovative, liquidity and data solutions specialist. Role Overview The System Architect is responsible for defining and delivering the shared technical and...

End Date Tuesday 29 July 2025 Salary Range £70,929 - £78,810 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary Lloyds Banking Group is the UK’s leading bank with over 30m customers and its biggest digital bank, with over 20 million active online customers. We’ve placed an ambitious transformation programme and a multi-channel approach to banking at the heart of our strategy to be the best bank for customers, backed by significant investment in our platforms and people over the next three years. We serve millions of customers every day, from individuals and families to large businesses and corporations. This means we’re well - placed to help Britain prosper by shaping the way we spend, save and borrow. Job Description JOB TITLE: Visual Designer LOCATION:  London SALARY: £70,929 - £78,810 HOURS:  Full-Time WORKING PATTERN:  Our...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Forward Deployed Software Engineers (FDSEs) work directly with customers to quickly understand their greatest problems and design and implement solutions to use data against them. Our customers rely on Palantir’s platforms for some of their most critical operations, and projects often start with an open ended question like “Why are we delaying so many flights?” or “How can we better identify instances of money laundering?” As an FDSE, you’ll apply your problem solving ability, creativity, and technical skills to help organizations use their data to drive a real impact in the world. You’ll have the opportunity to gain rare insight into and contribute to some of...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and two years ago we split out as a separate business.  Starling Bank has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. We draw upon our experience as knowledgeable bankers, and best in class technologists to become the chosen option for these banks, and preferred partners for leading consultancies. As a company, everyone is expected to roll up...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a year ago we split out as a separate business.  Starling Bank has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. Our technologists are at the very heart of Engine and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate...

Hello, we’re Starling . We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone.  About the role Reporting in to the Talent Acquisition Partner for Technology, this role will focus on supporting our growth within the Engine by Starling (SaaS) Software Engineering team, as we look to sell Starling’s award-winning software to banks all around the world.  Notably, you’ll help us hire, at scale, Backend Java Engineers, Platform Engineers and Infrastructure Engineers, across most of our including London, Manchester, Cardiff, Southampton and Dublin. This role is available on an initial 12-month Fixed Term Contract.  This job will close for applications on Monday 21st July . What you’ll...

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Our products support some of the most important and impactful work in the world, including defence, intelligence, and commercial applications. We are trusted by our customers to protect their mission-critical information in the face of advanced persistent threats. Our offensive security engineers emulate these real-world threats and provide critical signal on attack vectors to help improve our security posture. This role will be hands-on and requires a deep understanding of micro-service architecture, multi-tenancy vulnerabilities, cloud security, and web application security. In this role you’ll dive deep into the security of our products and more: •...

Starling is the UK’s first and leading digital bank on a mission to fix banking! Our vision is fast technology, fair service, and honest values. All at the tap of a phone, all the time. We are about giving customers a new way to spend, save and manage their money while taking better care of the planet which has seen us become a multi-award winning bank that now employs over 2800 across five offices in London, Cardiff, Dublin, Southampton, and Manchester. Our journey started in 2014, and since then we have surpassed 3.5 million accounts (and four account types!) with 350,000 business customers. We are a fully licensed UK bank but at the heart, we are a tech first company, enabling our platform to deliver brilliant products. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to...