Lead Software Engineer

Join Our Dynamic Team as a Lead iOS Software EngineerAt arq, we are on the lookout for an exceptional Lead iOS Software Engineer who exemplifies hands-on engineering prowess. In this pivotal role, you will set the standard for engineering excellence, guiding your team through insightful code reviews and innovative architectural design. Your leadership will inspire a growing mobile team to craft elegant, reliable, and visually stunning experiences that redefine financial product expectations.This is a high-impact position within our Core Product Team, where your contributions will directly influence the scaling and enhancement of the ARQ experience, from our flagship application to exciting new initiatives like Premium, Credit, and other groundbreaking financial products on the horizon.Your ResponsibilitiesAct as the hands-on technical authority for all iOS-related projects—writing top-tier code, conducting thorough code reviews, and ensuring technical superiority throughout our applications.Collaborate closely with Product and Design teams to create pixel-perfect user experiences with meticulous attention to detail, optimal performance, and unwavering reliability.Design, develop, and maintain scalable mobile features that prioritize security, speed, and user delight.Review and elevate code quality, sharing insights that enhance engineering practices across the app.Lead the advancement of our mobile architecture to accommodate a diverse range of products (Premium, Credit, etc.).Work closely with cross-functional teams to deliver quickly without compromising on quality.Oversee the entire lifecycle of features—from design and implementation to testing and deployment.Your Qualifications6+ years of professional iOS development experience, preferably with complex, high-scale consumer products.Demonstrated expertise in Swift and Apple's iOS ecosystem (UIKit, SwiftUI, Combine, etc.).Solid understanding of design patterns, architecture (MVVM, Clean Architecture), and testing methodologies.A genuine passion for UI/UX design—you pay attention to the minute details that elevate product quality.Proven track record of delivering exceptional products from start to finish in fast-paced, high-growth environments.Bonus: Experience in the fintech, payments, or digital banking sectors.Why Work with Us?At arq, you will be part of a forward-thinking team that is passionate about redefining financial services. Our culture promotes continuous learning and innovation, ensuring you are always at the forefront of technological advancements.

At Taktile, we are revolutionizing the way financial institutions utilize artificial intelligence to make pivotal decisions. As we expand our footprint with enterprise clients across the financial services sector, we are on the lookout for a Lead Solutions Engineer to become a vital part of our pre-sales team. In this role, you will showcase the transformative capabilities of AI-driven decision-making to some of the world's foremost financial institutions.As the Lead Solutions Engineer specializing in enterprise pre-sales, you will serve as the technical liaison between our potential enterprise clients and our AI-powered decision-making platform. Collaborating closely with the Sales Team, you will design and implement AI-driven solutions tailored for the most innovative players in the financial sector. Your primary objective will be to secure the technical win by illustrating how Taktile harnesses Generative AI and advanced Machine Learning to tackle intricate challenges related to credit, risk, and fraud. You will be a trusted advisor to our clients, helping them to achieve their strategic objectives and realize the value of incorporating Taktile into their decision-making technology stack.If you are enthusiastic about pioneering technology, stay informed on the latest advancements in AI, and possess several years of practical experience with Python, APIs, and contemporary AI models in customer-facing roles, all while thriving in a collaborative environment that fosters growth, then this opportunity is made for you!

About the Role Speechify is hiring an iOS Core Product Software Engineer in London. This role focuses on building and improving our core iOS applications. The work centers on delivering a smooth, engaging experience for users. What You Will Do Develop and enhance key features in Speechify’s iOS apps Work closely with teams across engineering, design, and product Help shape and maintain new functionality from idea through release

Senior iOS Software EngineerAt Deliveroo, we are on a mission to revolutionize the way people shop and dine. Our culture is driven by impact, innovation, and growth, as our engineering teams confront intricate technical challenges in a global, three-sided marketplace, constructing and scaling systems that cater to millions of customers, riders, and partners daily.From real-time logistics to resilient infrastructure and marketplace optimization, we create and maintain the technology that fuels Deliveroo's expansive growth.We are seeking a Senior iOS Software Engineer to enhance our London team. In this position, you will play a vital role in evolving our mobile architecture and delivering high-performance features that shape the future of on-demand delivery. This position allows for a hybrid work setup, typically involving 3 days in the office.Learn more about our Engineering team — discover our motivations, work dynamics, and what you can anticipate.Your ResponsibilitiesAs part of the Consumer team, you will be pivotal in ensuring that millions of users effortlessly transition from

Join an innovative team at FE fundinfo as a Senior Software Engineer specializing in AI Solutions. In this pivotal role, you will design, develop, and deploy production-ready AI systems that drive data-heavy financial products for our global clientele. Leverage state-of-the-art LLM capabilities to create scalable and reliable services that truly make a difference.Be at the forefront of AI solutions by building end-to-end systems on cutting-edge platforms such as Databricks, Spark, and Delta Lake. You will play a crucial role in shaping our internal AI platform, collaborating across software engineering, data engineering, and platform architecture domains. Your mission will involve integrating LLMs into tangible products while ensuring data quality, traceability, and explainability are prioritized. Work closely with cross-functional teams to solve complex challenges in a regulated financial context, while continuously enhancing your skills in a supportive engineering culture.

About xAIAt xAI, our mission is to develop artificial intelligence systems that genuinely comprehend the universe, empowering humanity's quest for knowledge. Our compact team is driven, highly motivated, and committed to engineering excellence. We seek individuals who relish challenges and are fueled by curiosity. Operating with a flat organizational structure, we encourage every employee to engage hands-on and contribute significantly to our mission. Leadership opportunities are awarded to those who demonstrate initiative and consistently deliver outstanding results. Strong work ethics and effective prioritization skills are essential for success in our environment. Excellent communication skills are also vital, as all team members must share knowledge clearly and concisely with their peers.About the RoleWe are on the lookout for an outstanding iOS engineer to join our small yet impactful team, focused on developing one of the most valuable AI applications in the world based on its user impact. You’ll be instrumental in crafting innovative mobile experiences that merge technical finesse with product excellence. The ideal candidate will possess the following qualifications:

Role overview Motorway is looking for a Senior iOS Engineer based in London. The focus of this role is to build and enhance iOS applications that support an easier car selling experience for users. The work involves designing features that encourage engagement and help Motorway deliver its services more efficiently. What you will do Design and develop iOS applications for Motorway’s platform Collaborate with product, design, and engineering teams to deliver dependable software Contribute to shaping new features and improving overall app performance Collaboration This role requires frequent teamwork with colleagues across different departments to ensure the software aligns with both user needs and business objectives.

CoreWeave is recognized as The Essential Cloud for AI™, designed for innovators by innovators. Our platform provides cutting-edge technology, tools, and expert teams that empower pioneers to confidently build and scale AI solutions. With the trust of leading AI laboratories, startups, and global enterprises, CoreWeave merges exceptional infrastructure performance with profound technical expertise to drive breakthroughs and transform compute capabilities. Established in 2017, CoreWeave became a publicly traded entity (Nasdaq: CRWV) in March 2025. Discover more at www.coreweave.com.As a proud Living Wage accredited employer, we prioritize fair compensation for our team.Your Responsibilities:Lead the effort as a Lead Solutions Architect, serving as a technical expert to guide enterprise clients in exploring AI-driven solutions for engineering challenges.Collaborate with sales teams and Deployment Strategists to meticulously understand customer needs and design tailored technical solutions that showcase the value of AI in intricate engineering workflows.Oversee proof-of-value initiatives, prototype AI workflows, and validate technical feasibility using client data.Ensure that proposed solutions are technically sound, provide quantifiable benefits, and are primed for seamless transition to implementation teams.

Why Join Faculty?Founded in 2014, Faculty believes that artificial intelligence (AI) is poised to be one of the most transformative technologies of our era. Over the years, we have collaborated with more than 350 global clients, helping them enhance their performance through human-centered AI solutions. Discover our impactful projects here.At Faculty, we prioritize genuine innovation over fleeting trends. We focus on developing and implementing responsible AI that truly makes a difference. Our clients range across various sectors, including government, finance, retail, energy, life sciences, and defense, and we possess an unmatched depth of technical, product, and delivery expertise.As our reputation grows, we continuously seek talented individuals who share our intellectual curiosity and are eager to leave a positive legacy through technology.AI is a groundbreaking technology; join us to explore its most powerful applications and help bring them to life.About the TeamWithin our Professional and Financial Services Business unit, we leverage over a decade of Applied AI experience to assist our clients in navigating a fast-evolving landscape. We create and integrate AI solutions that enhance efficiency, improve customer experience, and uncover commercial opportunities in uncertain markets. In a highly regulated industry, we see immense potential for meaningful innovation and are proud to set the standard for combining technical excellence with secure deployment.About the RoleAs a Lead Software Engineer, you will drive the technical direction and execution of complex, innovative AI projects. Acting as a technical authority, you will apply your expertise across various initiatives, from AI strategy formulation to client-side implementations, ensuring that architectural decisions are both robust and reliable. This role requires a blend of profound technical knowledge and strong leadership capabilities, emphasizing innovation, team development, and the creation of reusable solutions across the organization. If you are ready to oversee high-stakes projects and deliver impactful, innovative results, this is your opportunity to shape our future.What You'll Be DoingLeading the technical direction and delivery of sophisticated AI projects.Applying your technical expertise to various projects, ensuring sound architectural decisions.Driving innovation while fostering team growth and collaboration.Building reusable solutions that can be leveraged across the organization.

Join Engine by Starling, where we are dedicated to partnering with top-tier banks worldwide to fuel their ambitions for rapid business growth through our cutting-edge technology.As a software-as-a-service (SaaS) division of Starling Bank, Engine was established to provide the innovative technology that has powered Starling's remarkable success. Our platform is now available for banks and financial institutions globally, allowing them to leverage advanced digital features and streamlined back-office processes.At Engine, we foster a collaborative environment where every team member contributes to delivering exceptional results for our clients. We are engineering-focused and seek passionate individuals eager to harness Engine’s technology to revolutionize banking across various markets. Our work is driven by five core values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness.Hybrid Working ModelWe embrace a Hybrid working model at Engine, preferring that team members reside within a commutable distance from our offices to facilitate in-person collaboration.About Engineering at Engine by Starling - https://www.enginebystarling.com/We are actively seeking iOS Engineers to enhance the Engine Platform, ensuring our features cater to banks worldwide while also developing new functionalities that have yet to launch in the UK market.Engine by Starling engineers are enthusiastic about contributing to the rollout of new features, regardless of their primary technology stack. Learn more about our team through the case studies below, including our collaboration with Women In Tech.

(Mid/Senior/Staff) iOS Engineer – London Please note that the positions are based in London, United Kingdom — relocation and visa support is provided if required (must currently be based in the United Kingdom or Europe). THE BEST WORK OF YOUR CAREER Trade Republic is the largest savings platform in Europe, operating across 18 countries and serving over 10 million customers who trust us with more than 150 billion Euros in assets. Our ambition is to achieve even more. We are dedicated to empowering individuals to build wealth with simple, secure, and free access to financial systems. Join us and grow your career while working alongside exceptional talent and cutting-edge technology to shape a positive future for millions. WHAT YOU'LL BE DOING Contributing your expertise to the iOS guild to uphold technical excellence. Mentoring fellow engineers while receiving dedicated support for your growth. Taking ownership of product development through collaboration with various roles, ensuring quality and timely delivery. Thriving in a dynamic, goal-driven agile environment. WHAT WE'RE LOOKING FOR A minimum of 5 years of experience in mobile engineering. Proficiency in Swift, programmatic UI, and foundational knowledge of reactive programming. A passion for creating exceptional UX and UI, with a desire to collaborate closely with our design team. A commitment to quality, with an understanding of best practices for both code and product excellence. TECHNOLOGY STACK 100% Swift SwiftUI and UIKit Reactive data flow utilizing Combine, ReactiveSwift, and WebSockets MVVM-C architecture Dependency Injection WHY YOU SHOULD APPLY NOW Our culture champions ownership, excellence, and high energy. We are deeply committed to achieving results and holding each other accountable. We aim to tackle one of the biggest challenges faced by Europeans: closing the pension gap and democratizing wealth. If this inspires you, we encourage you to reach out!

Join Hudl as a Lead Software Engineer and make an impact in the world of sports technology. In this role, you'll lead a team of talented engineers to design, develop, and implement innovative software solutions that empower athletes and coaches. Your expertise will drive project success and enhance our product offerings.

Join abound as a Lead Software Engineer and take your career to the next level! In this pivotal role, you will spearhead innovative software solutions that drive our business forward. Collaborate with a talented team of engineers and play a key role in shaping the future of our technology stack.We are looking for passionate individuals who are eager to tackle complex challenges and deliver high-quality software. Your leadership will be crucial in mentoring junior developers and setting best practices in code quality, testing, and deployment.

About Freetrade Freetrade aims to make investing accessible and straightforward for everyone. Many people find investing intimidating or costly, and we are working to change that. Our recent partnership with IG Group lets us operate independently, while drawing on the resources of an established industry leader. In 2026, we are accelerating our product development, with plans to launch features like mutual funds, bonds, and family investment tools. We are also exploring ways to use AI to improve our customer experience. Role Overview: Mid-level iOS Engineer We are looking for a Mid-level iOS Mobile Engineer to join our London-based team. The Freetrade iOS app helps users access investment opportunities across the UK, US, and EU markets. As part of our mobile engineering group, you will help build and maintain a platform that thousands rely on daily. What You Will Do Implement new features for the Freetrade iOS app, written entirely in Swift Address user feedback and help resolve queries to improve customer satisfaction Work closely with design, product, and QA teams to deliver engaging user experiences Help prioritize platform issues and manage technical debt Contribute to architectural decisions that support a high-quality application and strong developer experience What We Look For Solid understanding of the iOS platform Strong problem-solving skills Interest in growing technical expertise within a collaborative team Willingness to learn from experienced engineers across iOS and Android Our Tech Stack iOS application built entirely in Swift Location This role is based in London.

Join us at Orbital as we redefine real estate transactions to be smarter, faster, and seamless. As the largest asset class globally, real estate is still hindered by outdated legal processes that are slow and manual. Lawyers face the daunting task of meticulously reviewing lengthy documents while clients demand quicker, more transparent due diligence. Enter Orbital Copilot, the AI-powered assistant tailored specifically for commercial real estate law. Built in collaboration with experienced real estate attorneys, it enhances complex due diligence processes by up to 70%, all while ensuring legal-grade accuracy. With a recent funding boost of $60 million in Series B, we are poised for rapid expansion across the UK and US. We are proud to be partnered with leading firms like Goodwin and BCLP, empowering legal teams to focus on their core competencies: exercising sharp legal judgment, providing exceptional client service, and closing deals efficiently. At Orbital, you will be part of a team that is revolutionizing the real estate transaction landscape - moving fast, collaborating effectively, and empowering you to make a significant impact from day one.As a Lead Software Engineer, you will develop innovative tools that transform how the world’s largest asset class is transacted. We’re shifting property transactions from tedious manual checks to an automated AI solution that mimics the thought processes of real estate lawyers.You won’t just implement builds; you will leverage your expertise to guide product development and lay the groundwork for our next growth phase. The potential for influence and innovation is immense.Key ResponsibilitiesLead the development of critical product features from ideation to production, establishing the technical direction and architecture.Oversee projects from start to finish, mentoring small teams of 2-4 engineers to ensure the delivery of reliable production systems.Direct AI coding agents to create, iterate, and refine high-quality software.Engage with a tech stack that includes TypeScript, React, PostgreSQL, and Python, reviewing and enhancing the code generated by AI agents.Quickly transform new ideas into customer-facing features, ensuring alignment with user expectations and market demands.

Join our dynamic team at Faculty as a Lead Software Engineer, where you will spearhead innovative projects and mentor a talented group of developers. You will play a vital role in shaping our software solutions while collaborating with cross-functional teams to deliver high-quality products. Your leadership will help drive our mission to revolutionize the tech landscape.

About Air Apps Air Apps began as a family-founded company in Lisbon, Portugal, in 2018. The team set out to improve personal and entrepreneurial resource planning with an AI-powered Personal & Entrepreneurial Resource Planner (PRP). Since then, Air Apps has grown to operate in both Lisbon and San Francisco, remaining self-funded and reaching over 100 million downloads worldwide. The company focuses on building tools that help people plan, work, and live better. Every team member contributes to shaping how individuals manage their resources and daily lives. Senior iOS Engineer Role The Senior iOS Engineer will play a key role in developing and maintaining Air Apps’ iOS applications. This work includes ensuring high performance, reliability, and a strong user experience across the app suite. Collaboration is central: expect to work closely with designers, product managers, and other engineers to deliver new features and refine existing ones. Strong skills in Swift and a deep understanding of iOS development best practices are essential for success in this position. The team values innovation and attention to detail to keep their apps competitive in the App Store. Work Location and Relocation This is a fully onsite position based in Lisbon. Relocation assistance is provided for those moving to Lisbon.

Join Faculty: Pioneering AI InnovationFounded in 2014, Faculty believes that artificial intelligence (AI) is the transformative technology of our era. We have partnered with over 350 global customers, driving performance improvements through human-centric AI solutions. Discover our impactful projects here.At Faculty, we prioritize innovation over trends. Our mission is to develop and implement responsible AI that truly makes a difference. Our team brings unmatched expertise in technology, product development, and delivery to various sectors, including government, finance, retail, energy, life sciences, and defense.As our reputation grows, we seek individuals who share our curiosity and commitment to creating a lasting positive impact through technology.AI is a game-changing technology. Join us to explore its most powerful applications and bring them to life.Role OverviewAs a Lead Software Engineer within our Customer Development team, you will not only develop software but also spearhead the deployment, customization, and scaling of our innovative Frontier platform for enterprise clients.As we broaden the reach of our platform, you'll have the distinct opportunity to create a scalable AI-focused product while remaining attuned to real-time customer feedback and setting the standard for technical excellence.This role immerses you in the deployment of Frontier in complex environments, addressing real-world challenges with cutting-edge technology. Your work will optimize multinational supply chain logistics, expedite clinical trial timelines, and support sustainability initiatives, enabling organizations to make informed decisions through AI-enhanced insights.Embark on this thrilling journey of transforming decision-making with AI and machine learning, revolutionizing business success through Decision Intelligence.

Join G MASS as we support a leading global FinTech organization in expanding its core engineering team dedicated to developing enterprise-scale, AI-driven data products. This position is part of a dynamic and collaborative Agile engineering environment that focuses on creating scalable, cloud-native platforms utilized across the organization.As a member of our senior engineering group, you will be responsible for the design, development, and maintenance of high-performance software components within a distributed data ecosystem. Our emphasis is on clean architecture, modern Java programming, and the implementation of robust engineering practices.Key Responsibilities:Design, develop, and maintain scalable software and data modeling components within a distributed platform.Translate both business and technical requirements into robust, well-architected solutions.Implement best-practice software engineering standards, including code reviews, Test-Driven Development (TDD), and Continuous Integration/Continuous Deployment (CI/CD).Troubleshoot and resolve complex software defects and performance challenges.Actively engage in Agile ceremonies, including sprint planning, daily stand-ups, demonstrations, and retrospectives.Mentor junior engineers through code reviews, pairing, and knowledge sharing initiatives.Contribute to architectural decisions to ensure the scalability, reliability, and security of systems.Produce and maintain clear technical documentation that outlines designs and workflows.Communicate progress, risks, and solutions effectively with stakeholders.Continuously assess new tools, frameworks, and methodologies to enhance engineering quality.