Senior Software Engineer - React / React Native

Join Our Team FanDuel is seeking an experienced Senior Software Engineer to become a vital member of our Sportsbook Core Apps engineering team. In this role, you will be instrumental in enhancing the foundational engineering that supports our innovative customer experiences. You will work with our React Native Sportsbook application to refine the core React Native platform and shared codebase, focusing on improving performance, scalability, and reliability. Collaborating closely with engineers across the organization, you will ensure seamless integration of the React Native stack with native layers, enabling feature teams to deliver with speed and safety. We are in search of engineers who are not only skilled but also empathetic communicators, dedicated to continuous improvement and engineering excellence. The ideal candidate will possess extensive experience in delivering production-ready React Native applications, demonstrate the ability to propose practical solutions to platform challenges, and have a passion for mentoring others while elevating quality standards. By joining our team, you will fortify the foundations of our mobile platform, empowering FanDuel engineers to deliver features more effectively while adhering to best practices and maintaining platform quality. As a growth-oriented company, we offer ample opportunities for you to learn and develop your career with us. Key Responsibilities: Enhancing the core React Native codebase for the Sportsbook app with a focus on performance, scalability, and maintainability. Profiling and optimizing app startup and runtime performance across the React Native stack (rendering, bundle size, memory management, JS/native thread work, etc.). Building and maintaining shared frameworks, tooling, libraries, and components that support various feature teams. Improving developer experience through enhanced tooling, documentation, templates, CI reliability, and build performance. Contributing to technical design discussions and leading multi-phase improvements, breaking work into incremental, testable deliveries aligned with team priorities. Supporting continuous improvement initiatives to elevate quality, minimize toil, and enhance operational readiness within the domain. Participating in our on-call rota, sharing out-of-hours support duties as part of our incident response process. Qualifications: Extensive experience in delivering production-grade React Native applications (or strong React skills with a keen interest in mobile development). Proficient in TypeScript with a solid grasp of React patterns, architecture, and maintainable coding practices at scale. Strong problem-solving skills and the ability to communicate technical concepts effectively. Experience in mentoring junior engineers and fostering a culture of quality and best practices. A commitment to continuous learning and professional development.

The RoleJoin our dynamic Sportsbook engineering team as a Software Engineer specializing in React Native. In this pivotal role, you'll enhance the foundational engineering efforts, focusing on optimizing the frameworks, tools, and performance that empower FanDuel to create an engaging and innovative customer experience.Your contributions will be integral to the React Native Sportsbook application, where you'll work on performance enhancements and refine the core codebase to boost quality, scalability, and developer productivity.We seek collaborative, inquisitive engineers dedicated to continuous learning and skill development. The ideal candidate will possess hands-on experience with React Native and a passion for mobile performance, tooling, and best practices. Familiarity with native Android or iOS development is advantageous. As a key team member, you'll strengthen our mobile platform's foundation, enabling FanDuel engineers to efficiently deliver features while upholding platform integrity and engineering excellence.At FanDuel, we are committed to growth, offering numerous opportunities for professional development and advancement.

Important NoteWe appreciate your interest in joining our team. If you possess expertise in areas where we currently have sufficient coach coverage, we may retain your information and reach out when demand increases.Role OverviewWe seek seasoned lead engineers or their equivalents to facilitate focused micro-workshops for small groups of software engineers. Each session lasts up to 90 minutes and is conducted remotely via our app, utilizing high-quality educational materials we develop.Your role involves imparting your knowledge and passion for software engineering, ensuring participants gain a profound comprehension of the subject matter (focusing on why as well as what and how) and the ability to implement new skills effectively.Expect to engage with both senior and junior engineers, addressing intriguing questions related to our content and live-debugging their code. This role closely resembles technical mentoring or pairing rather than traditional classroom teaching.About Skiller WhaleAt Skiller Whale, we revolutionize the capabilities of tech teams through live sessions led by expert practitioners. Developers participate in 60-90 minute sessions weekly or bi-weekly, learning through challenging exercises guided by an expert who explains the topic and addresses complex questions. Our learners consistently rate us highly, averaging 4.8 out of 5, and we have a measurable impact on the teams we partner with.Feedback from our learners includes:| "The immediate feedback loop of learning something, applying it, and gaining insights beyond 'it works' far surpasses any other learning experience I've encountered."| "I appreciated the freedom to ask any question, and I discovered new insights even in technologies I've used for 15 years!"| "The standout advantage of Skiller Whale is the caliber of the coaches. Their deep understanding of Python and system architecture is invaluable."What We're SeekingIf you are passionate about developing others' skills and possess expertise in our curriculum, we encourage you to apply. We're particularly interested in coaches with expertise in:Advanced PostgreSQLReact NativeLeadership, Communication, and Management within software teams.Additionally, if you excel in two or more of the following areas, we will consider your application, although it may take longer to assign you a group:Common programming languages/frameworks (e.g., Go, React, Kotlin, Java, etc.)Platforms, Tools, and/or Databases (e.g., AWS, Docker, PostgreSQL, etc.)

Join our dynamic team at Talan as a Full Stack Developer specializing in Python and React. In this role, you will be responsible for developing and maintaining innovative web applications that enhance user experience and drive business success. You will work collaboratively within an agile environment, applying your expertise in both front-end and back-end technologies.As a Full Stack Developer, you will leverage your skills to design robust architectures, implement user-friendly interfaces, and ensure seamless integration with server-side logic. Your contributions will play a crucial role in the continuous improvement of our software solutions.

Join Capco as a Principal Frontend Developer specializing in React and be at the forefront of innovative digital solutions. In this role, you will lead the design and implementation of user interfaces for high-impact projects, working collaboratively within agile teams. Your expertise will shape the user experience and ensure the delivery of top-notch web applications.

Your next career move awaits!At FanDuel, we are on the lookout for a Senior Software Engineer to join our dynamic Trust and Safety team. In this role, you'll be instrumental in developing systems that ensure the safety and security of our customers and uphold our company’s integrity.We value passionate technologists who are not only strong communicators but also committed to continuous improvement. The ideal candidate will confidently propose practical solutions to complex challenges and be eager to share their knowledge and learn from teammates. You will collaborate with cross-functional teams to tackle intricate problems while delivering exceptional products and experiences to our millions of players.

Join Our Team!Are you ready to make a difference in the world of sports transactions? We're seeking a talented Senior Software Engineer to become a vital part of our Payments team at FanDuel, where you will help develop and maintain crucial systems that facilitate millions of transactions for sports enthusiasts across the US. Your expertise will focus on integrations with third-party services for deposits, refunds, withdrawals, and much more.This is an essential role within our organization, requiring collaboration with various internal and external engineering teams to ensure our services are fast, reliable, and of the highest quality!You will thrive in a collaborative environment that prioritizes strong technical skills and operational excellence, all while navigating a regulated industry.

About UsPerk (formerly known as TravelPerk) is a cutting-edge platform revolutionizing travel and spend management. Our goal is to eliminate the manual, time-consuming tasks that hinder productivity. Our advanced tools automate everything from travel bookings to expense management and invoice processing, allowing you to focus on what truly matters.With over 10,000 clients worldwide, including renowned brands such as Wise, On Running, Breitling, and Fabletics, we are addressing the staggering 7 hours of lost productivity each week per employee, a challenge valued at $1.7 trillion.Founded in 2015, Perk has expanded to a global team of more than 1,800 professionals across 12 offices, with our headquarters located in London and Boston. We prioritize innovation, control, and simplicity, transforming the work experience.At Perk, our values drive us: ownership, delivering a 7-star experience, and teamwork. We believe in curiosity, purpose, and mindset as the keys to unlocking potential. Our diverse talent team comprises experts from the travel and SaaS industries, representing over 70 countries. If you're passionate about making a meaningful impact and enhancing how millions experience work, we want you on our team.Visit www.perk.com for more information.

Join Our Team!About the RoleWe are on the lookout for a talented Senior Android Software Engineer to be a key player in our Unified Modules team. This position is nestled within the Core Products and Experiences domain, where you will be tasked with the development and enhancement of a suite of SDKs and libraries utilized by various teams across FanDuel Technology. This team is highly visible and is working on pivotal initiatives within the organization.We seek engineers who not only possess technical prowess but also demonstrate empathetic communication and a strong commitment to continuous improvement. The ideal candidate will be skilled at proposing practical solutions, adept at breaking down tasks into manageable, iterative deliveries, and enthusiastic about learning and mentoring others. As part of this dynamic team, you will contribute to the development of libraries for Android, with opportunities to engage in iOS and Web projects as well. Your technical insights will empower teams across the organization to leverage our SDKs effectively and reliably.As a growth-oriented company, we offer ample opportunities for professional development and upward mobility.

Role overview FanDuel Group seeks a Senior Staff Software Engineer to join the team in Edinburgh. This position centers on both technical leadership and hands-on engineering. The engineer will play a key part in shaping and advancing the platform through thoughtful software design and practical implementation. What you will do Design and build software solutions that support the platform’s growth and reliability Lead engineering projects from initial concept through to delivery Ensure systems are robust, performant, and able to scale with demand Offer technical direction and mentorship to colleagues within the team Location This role is based in Edinburgh.

Job Title: Senior Software Engineering Manager - Quality Tooling Location: London / Bristol / Edinburgh (Hybrid options available) Salary: £100,000 - £125,000 Team: Quality Reporting To: Head of Quality This position requires an existing right to work in the UK. Currently, we are unable to provide visa sponsorship for this role. We are dedicated to fostering a diverse and global team, and our sponsorship policy is assessed on a case-by-case basis. We encourage you to regularly check our careers site for future opportunities where visa sponsorship may be available. Kaluza is at the forefront of transforming energy complexity into seamless coordination through our pioneering Energy Intelligence Platform. We empower energy companies to navigate today’s challenges while facilitating a transition to a clean and electrified future. Our platform orchestrates millions of real-time decisions across homes, devices, markets, and grids, combining predictive algorithms with user-centered design to make clean energy reliable, affordable, and adaptable to everyday living. With teams spanning Europe, North America, Asia, and Australia, and a joint venture with Mitsubishi Corporation in Japan, we support industry leaders including OVO, AGL, and ENGIE, alongside innovators like Volvo and Volkswagen. Key Responsibilities: Lead the development of solutions that enable Quality, Engineering, and Client Teams to enhance software testing capabilities at Kaluza. Your responsibilities will include: Establishing strong relationships with stakeholders and clients. Crafting strategies and architectures that align with the requirements of internal teams and clients. Identifying and implementing operational improvements to enhance team efficiency and product quality. Collaborating closely with a range of internal teams, including Delivery, Product, Customer Success, Commercial, and Engineering. Oversee a cross-functional team of Quality and Developer Engineers, contributing to both the technical and product vision of your team to ensure successful product outcomes. Guide team members in making technical decisions that resonate with Kaluza’s business objectives.

Role overview FanDuel is looking for a Senior Staff Software Engineer focused on Core Marketing Platforms in Edinburgh. This position works closely with teams across the company to shape, build, and support the systems that power our marketing efforts. The work centers on designing, developing, and maintaining the foundational infrastructure that supports marketing at scale. What you will do Collaborate with engineers, product managers, and other stakeholders to deliver reliable marketing platform solutions Design and develop core systems that enable innovative marketing campaigns and user engagement features Maintain and improve existing marketing infrastructure to support business goals Impact Your technical leadership will help FanDuel create and evolve marketing tools that drive user engagement and support business growth in the sports and gaming sector.

Join Our Team at Dayshape!At Dayshape, we are an award-winning software scale-up with ambitious goals and the momentum to achieve them. Our AI-driven resource management platform is trusted by top professional services firms, including the Big Four, around the globe, enabling organizations to achieve outstanding results.Our unique platform merges advanced AI capabilities with real-time project financials and comprehensive insights to transform resource management into a strategic asset. By fostering profitable growth, enabling informed decision-making, and ensuring client and team satisfaction, we are dedicated to helping our customers build resilient organizations and fulfilling careers.Why Our Clients Choose Dayshape:We empower professional firms to optimize their margins and enhance revenue, unlocking access to more lucrative opportunities.We offer total operational transparency today while providing the tools to confidently forecast tomorrow's outcomes.We strive to create environments where top talent aspires to work and the best clients wish to partner with.Recognized as Scotland's fastest-growing technology company in the Deloitte Technology Fast 50 for three consecutive years and honored as the Enterprise Digital Tech Business of the Year at the 2024 ScotlandIS awards, we are committed to innovation and impactful delivery. We are always seeking like-minded individuals to join our vibrant team.Our mission is to enhance people's working lives, supported by a culture that values inclusivity and ambition. If you are ready to make a significant impact in a fast-growing company that is redefining resource management, we want to hear from you!Position Overview:We are looking for a Senior Quality Engineer to join our Data Insights LLM team and spearhead quality assurance for our large language model-powered systems. This role suits an experienced Senior Quality Engineer adept at building, enhancing, or contributing to test frameworks from the ground up. Comfort with codebases in complex, data-centric environments is essential.As a Senior Quality Engineer, you will take the lead in shaping your team’s quality strategy, encompassing test methodologies, automation, and risk-based decision-making while remaining hands-on and adapting testing approaches throughout the LLM feature lifecycle.

About UsWelcome to Dayshape—an award-winning software scale-up with ambitious goals and the drive to achieve them. We partner with top professional services firms, including the Big Four, to leverage our AI-powered resource management platform, delivering remarkable outcomes for organizations worldwide.Our unique platform stands out as the only solution that seamlessly integrates advanced AI, real-time project financials, and comprehensive insights across the firm, transforming resource management into a strategic endeavor. By fostering profitable growth, enabling informed decision-making, and ensuring satisfaction for clients and teams alike, we are helping customers build resilient organizations and rewarding careers for the long haul.What Our Clients Appreciate About Dayshape:We assist professional firms in optimizing their margins and boosting revenues, unlocking pathways to more lucrative assignments.We provide complete operational visibility today along with tools that allow firms to confidently forecast for the future.We empower organizations to become desirable workplaces for top talent and reputable clients.Recognized as Scotland’s fastest-growing technology company in the Deloitte Technology Fast 50 for three consecutive years and awarded the Enterprise Digital Tech Business of the Year at the 2024 ScotlandIS awards, we consistently demonstrate our capacity to innovate and deliver tangible results. We are always on the lookout for passionate individuals who share our vision.At Dayshape, our mission is to enhance the working lives of individuals, fueled by a culture that prioritizes collaboration and inclusivity. If you are eager to join a rapidly growing, impactful company that is redefining resource management, we would love to hear from you.About the RoleHaving achieved significant milestones in a short timeframe, we still have ambitious plans for Dayshape to become the leading resource planning tool on the market. This is where you come into play.As a member of our Engineering team, you will focus on enhancing product scalability and usability, consistently delivering features that contribute to our customers' success. Collaborating with our cross-functional team, you will plan and implement new features and enhancements.What You Will DoAssist product and engineering managers in prioritizing, scoping, and leading the delivery of product features.

FanDuel is hiring a Senior Software Engineer with expertise in Java and Python. This role is based in Edinburgh and follows a hybrid work model, blending in-office and remote days. Key responsibilities Design and develop software to enhance the FanDuel platform. Work closely with fellow engineers to produce reliable, maintainable code. Share technical knowledge and contribute to team discussions and planning sessions. Location and schedule This position is located in Edinburgh. The hybrid schedule means splitting time between the office and working remotely.

Who We AreAddepar is a pioneering global data and AI platform that empowers investment professionals to transform complex financial information into actionable insights. Our platform integrates portfolio, market, and client data into a comprehensive portfolio view, unlocking AI-driven insights within investment and client workflows. With over 1,400 firms across nearly 60 countries managing nearly $9 trillion in assets through our platform, we are at the forefront of modern financial technology. Our open platform collaborates seamlessly with approximately 650 software, data, and consulting partners, enhancing investment operations for firms of all sizes and complexities. Addepar serves clients globally, with offices in major cities including New York City, Salt Lake City, London, Edinburgh, Pune, Dubai, Geneva, and São Paulo.The RoleThe Investor Solutions team at Addepar is expanding!Navigator, our quantitative liquidity risk projection tool, is a cornerstone of Addepar's multi-product ecosystem. Since its acquisition in 2021, we have significantly invested in this crucial product, surpassing our initial multi-million ARR goals. As we look toward 2026, Navigator will serve as the foundation for key workflows tailored to large institutions, further integrating into the Addepar ecosystem.As we continue to grow, we are seeking a Senior Backend Software Engineer to leverage their expertise within our Engineering team, presenting exciting opportunities for long-term role expansion as our product evolves and enters new global markets.Please note that applicants must have the right to work in the United Kingdom from day one, as visa sponsorship is not available for this position.

About the Role As a Senior Platform Engineer at FanDuel, you will play a pivotal role in designing and implementing scalable platform solutions that support our diverse range of gaming products. You will work within a dynamic team to enhance our infrastructure and improve the efficiency of our services while ensuring a seamless user experience. Key Responsibilities Design, develop, and maintain robust platform services. Collaborate with cross-functional teams to define and implement platform enhancements. Monitor system performance and troubleshoot issues proactively. Participate in code reviews and contribute to best practices in engineering. What We’re Looking For The ideal candidate will have a strong background in software development and cloud technologies, with a passion for building high-performance systems.

Join us at Addepar as a Senior Backend Software Engineer specializing in Platform Integration. In this pivotal role, you will work on enhancing our platform's capabilities, ensuring seamless integration and performance. Your expertise will help us build robust backend services, driving the success of our financial technology solutions.We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges. Your contributions will be crucial in shaping the future of our platform and delivering exceptional value to our clients.

About UsAt Dayshape, we are more than just a software scale-up; we are a dynamic team with a vision to revolutionize resource management. Recognized as Scotland’s fastest-growing tech company by Deloitte for three consecutive years and awarded Enterprise Digital Tech Business of the Year at the 2024 ScotlandIS awards, we are proud to support prestigious global firms, including Big Four accounting firms, with our innovative AI-powered resource management platform.Our unique platform not only combines advanced AI with real-time project financials, but also provides firm-wide insights, transforming resource management into a strategic function. This enables our clients to drive profitable growth, make confident decisions, and foster strong relationships with their teams and clients.Why Choose Dayshape?Enhance your professional journey by working with cutting-edge technology that optimizes margins and increases revenue for professional firms.Gain operational visibility with the tools necessary to confidently predict future outcomes.Join a workplace that attracts top talent and engages the best clients.Our commitment to improving people's working lives is reflected in our inclusive and ambitious culture, which is rooted in our core values. If you're passionate about making a meaningful impact in a fast-growing, high-impact company, we would love to hear from you.About the RoleAs a Principal Software Engineer, you will play a vital role in shaping our product portfolio, exploring innovative ways to access, utilize, and interact with key data to facilitate extraordinary business outcomes. Your expertise will support our product and engineering teams in prioritizing, scoping, and delivering impactful product features.

About UsPerk, previously known as TravelPerk, is an innovative platform dedicated to transforming travel and expense management. Our solutions automate the tedious manual processes that hinder productivity, streamlining everything from travel arrangements to expense reporting and invoice management. By addressing this hidden workload that drains hours and stifles innovation, we are committed to enhancing real work with significant impact.With the trust of over 10,000 companies globally, including renowned names like Wise, On Running, Breitling, and Fabletics, we are tackling the staggering issue of 7 hours of lost productivity per employee each week, a challenge valued at $1.7 trillion.Established in 2015, Perk has rapidly expanded into a global enterprise with a team of more than 1,800 professionals across 12 locations, with our main offices situated in London and Boston. We blend innovation, control, and simplicity to revolutionize workplace dynamics and enhance employee satisfaction.Our culture is anchored in values such as ownership, delivering exceptional experiences, and teamwork. We cherish curiosity, purpose, and mindset, not merely knowledge, to unlock your full potential. Our talent pool consists of top experts from the travel and SaaS sectors, representing over 70 nations. If you are eager to make a tangible impact and help shape the work experiences of millions, we would be thrilled to welcome you to our team.Explore more at www.perk.com.