Senior Full Stack Engineer - Web Development

About the Role PA Consulting is looking for a Full Stack Engineer in Manchester to help build scalable web applications. This role works closely with colleagues from different disciplines to design, develop, and deliver software that supports client goals.

Join Anaplan, a pioneering team of innovators dedicated to revolutionizing business decision-making with our AI-powered scenario planning and analysis platform. Our mission is to empower clients to surpass their competitors and thrive in the market.At Anaplan, we are united by our unwavering commitment to our customers' success and our vibrant Winning Culture.Our clientele includes Fortune 50 leaders like Coca-Cola, LinkedIn, Adobe, LVMH, and Bayer, among over 2,400 global companies that trust our exceptional platform.Our Winning Culture propels our innovative teams forward. We advocate for diverse perspectives, encourage leadership at every level, pursue ambitious objectives, and celebrate our achievements—big and small.Guided by our principles of being strategy-led, values-driven, and disciplined in execution, we ensure you will be inspired, engaged, nurtured, and rewarded. Embrace your uniqueness and join us in crafting the future—together!We are in search of a Full Stack Engineer to play a vital role in designing and developing comprehensive product experiences, including backend services, APIs, and modern web applications.This position is part of the Platform Application Framework (PAF) team—an essential platform that offers shared application patterns, reusable components, and developer frameworks utilized across Anaplan. PAF enhances developer productivity, guarantees reliability, and accelerates delivery by standardizing the development, integration, and operation of services.As a Full Stack Engineer, you will collaborate closely with engineers, product managers, and designers to build user-centric features and platform capabilities that support enterprise-scale applications.

Role overview AJ Bell is seeking a Full Stack Engineer III to join the team in Manchester. The position centers on building scalable web applications that directly influence the experience of AJ Bell’s customers. Collaboration with colleagues across different teams is a key part of the work, supporting projects that shape how users interact with AJ Bell’s services. What you will do Develop and maintain web applications designed to meet real-world requirements Work closely with cross-functional teams to deliver new features and ongoing improvements Take part in decisions that enhance usability and overall performance Requirements Proven experience building scalable web applications Ability to collaborate effectively with others to solve problems and achieve results Interest in making a visible impact through engineering contributions This role is based in Manchester.

About Us:At interactive investor, we pride ourselves on being the UK's leading flat-fee investment platform, dedicated to empowering our customers to take control of their financial journeys. With nearly 30 years of experience navigating the ebbs and flows of the market, we now manage assets nearing £75 billion for over 450,000 investors.For a straightforward monthly fee, we provide a secure environment for your pensions, ISAs, and investments, featuring over 20,000 UK and international options, including shares, funds, trusts, and ETFs. Our award-winning financial journalists and vibrant community of investors deliver unbiased content, insights, and daily newsletters to enhance your investment strategy.Role OverviewWe are seeking a talented Full Stack Application Software Engineer to design, develop, and maintain highly scalable distributed applications that support our web, mobile, and business platforms. We want someone enthusiastic about creating cloud-based applications and deploying frequent updates.You will possess a solid foundation in Object-Oriented Programming (OOP), Domain-Driven Design (DDD), and a commitment to quality and testing. As part of our Application Engineering team, you will collaborate closely with product teams and the broader business to architect and build innovative solutions for web, mobile, content, trading, and internal applications.Key ResponsibilitiesCollaborate with the engineering team to ensure solutions are architected in alignment with our technology strategy.Facilitate the smooth transition of technical solutions and knowledge across the team, regardless of technical expertise.Assist in the discovery, architecture, and design of new, complex solutions and delivery patterns.Partner with the Principal Engineer to establish new architectural designs or support significant changes to existing solutions.Contribute to architectural discussions and solution design processes within the technology disciplines.Promote a culture of technical advancement and innovation through effective solution design and R&D activities.Enhance technical skills within the team through knowledge transfer of emerging technologies and modern practices, ensuring high standards are maintained.Align architectural solutions with applicable control standards for developed solutions.Support the definition of non-functional requirements (NFR) as part of solution design or architectural decisions.

Mark43 is authorized to hire in Canada, the UK, and 36 states across the U.S., including Alabama, Arizona, California (excluding San Francisco), Colorado, Connecticut, Washington D.C., Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, North Carolina, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, and West Virginia. Before applying for a remote role, please ensure that you are able to perform the position in one of the listed states. Note that state locations and specifics may change as our hiring requirements evolve. All applicants must be authorized to work for any employer in the country where the position is available. We are currently unable to sponsor or take over sponsorship of an employment visa.At Mark43, we are dedicated to empowering communities and their governments through innovative technologies that enhance safety and quality of life for everyone. We develop cutting-edge, reliable software that first responders and public safety professionals rely on during critical moments. From dispatching emergency services to filing reports that influence public policy, our efforts directly affect how governments serve their communities, particularly the most vulnerable.We are seeking a Full-Stack Engineer who is passionate about addressing real-world challenges with significant social impact. You will contribute to building essential systems utilized by public safety agencies worldwide and investigate how emerging technologies like AI-assisted development can enhance our engineering processes.Key ResponsibilitiesAs part of our engineering team, you will deliver features that aid first responders in saving lives, managing emergencies, and ensuring community safety. You will also assist us in discovering innovative methods to amplify our impact by thoughtfully integrating AI-assisted workflows into our development procedures.

About Anaplan Anaplan builds an AI-driven scenario planning and analysis platform that helps businesses make better decisions. Over 2,400 companies worldwide, including Coca-Cola, LinkedIn, Adobe, LVMH, and Bayer, rely on our platform to stay ahead in their markets. Our teams share a commitment to customer success and a culture that values diverse perspectives, leadership at every level, and celebrating progress. At Anaplan, people work in an environment shaped by clear strategy, strong values, and disciplined execution. Growth and individuality are encouraged and recognized. Role Overview The Principal Full Stack Engineer (Java/React.js) will design and build core platform features for Anaplan’s enterprise customers. This includes developing backend services, modern frontend applications, and key platform infrastructure or APIs. The role involves leading architectural decisions, mentoring senior engineers, collaborating with cross-functional teams, and ensuring systems scale reliably for global use.

bet365 is looking for a Senior Software Developer to join the Developer Platform team in Manchester. This role centers on designing and building new software solutions that support and improve the internal development platform. Role overview As a senior member of the team, you will lead technical efforts and collaborate with colleagues from different disciplines. The work involves tackling complex projects that aim to advance the platform's capabilities and reliability. What you will do Design and implement software features and enhancements for the development platform Work closely with cross-functional teams to deliver solutions that meet business and technical needs Drive process improvements and optimize development workflows Mentor and support junior developers within the team Impact Your work will help shape the future direction of the platform, supporting both developer productivity and the overall user experience.

About Roku Roku is a leading TV streaming platform in the U.S., Canada, and Mexico. The company aims to power every television worldwide by connecting viewers with their favorite content, supporting publishers in building and monetizing audiences, and offering advertisers new ways to reach consumers. Employees at Roku contribute from day one. The company values each team member’s impact and offers the chance to reach millions of TV streamers while developing skills across multiple areas. Role Overview: Senior Software Engineer - Software Development Kit This Manchester-based role focuses on the core of Roku’s software development kit (SDK). The Senior Software Engineer will architect, design, implement, and test both the run-time and native renderer of the SDK. Collaboration with engineers working on higher-level scripting components is a key part of the job. The SDK must run efficiently on a wide range of devices, including those with very limited system resources such as RAM, Flash, and CPU. Designing for performance and compatibility across both legacy and new technology is central to this position. Main Responsibilities Architect, design, implement, and test the run-time and native renderer of Roku's software development kit. Location Manchester, United Kingdom

Version 1 seeks a Senior Java Developer to join teams working on client applications across digital transformation projects. This position offers the chance to influence how organizations use technology, contributing to solutions that address practical business needs. Key responsibilities Design and develop Java applications in collaboration with cross-functional teams Take part in code reviews, helping maintain code quality and share expertise Mentor junior developers, guiding their technical and professional growth Work on projects that directly impact client operations and outcomes Locations London Birmingham Manchester Newcastle upon Tyne Edinburgh Belfast

About Moonpig Group Moonpig Group brings together Moonpig, Greetz, Red Letter Days, and Buyagift. The group focuses on helping people connect through thoughtful gifts, cards, and memorable moments, no matter the distance. The platform aims to make it easy for users to share appreciation and humor with friends and loved ones. Moonpig leads online gifting by combining technology with a personal touch. The team works to ensure every gift feels special and arrives with care. Creativity and collaboration are at the heart of the company’s culture, guided by values that encourage everyone to thrive. Software Engineer (Platform) , Manchester This role offers the chance to contribute to a platform that powers joyful experiences for millions. Moonpig welcomes people who want to make a real impact and bring their unique skills to a supportive team.

Join Engine by Starling, where we are dedicated to partnering with ambitious banks globally to cultivate rapidly growing businesses powered by our innovative technology.As a subsidiary of Starling Bank, Engine operates as a software-as-a-service (SaaS) business that originated to support Starling's operations. Having established ourselves as an independent entity two years ago, we continue to thrive.Starling has enjoyed remarkable growth, primarily due to our commitment to developing modern technology from the ground up. Our SaaS platform is now accessible to banks and financial institutions worldwide, allowing them to leverage the cutting-edge digital features and streamlined back-office operations that have contributed to Starling's success.At Engine, we believe in the power of teamwork to achieve outstanding results for our clients. We are an engineering-centric organization seeking passionate individuals who are excited about the potential of our technology to transform banking across diverse global markets. Our mission is grounded in 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, with a preference for candidates located within a commutable distance from our offices to facilitate in-person collaboration and interaction.About Engineering at Engine by Starling - https://www.enginebystarling.com/We are actively seeking Backend Software Engineers to enhance the Engine Platform, optimizing our existing features for banks globally while also developing new features not yet available in the UK market.Engine by Starling engineers are enthusiastic about delivering new features, irrespective of their primary technology stack. Discover more about our team through various case studies and our collaboration with Women In Tech.

mark43 is seeking a highly skilled Senior Software Engineer to join our dynamic team. In this role, you will be responsible for developing innovative software solutions that enhance public safety and improve operational efficiency for law enforcement agencies. You will work closely with cross-functional teams to design, build, and maintain robust applications while mentoring junior developers.

AJ Bell seeks a Senior Flutter Engineer to design and build mobile applications. This position involves close collaboration with teams throughout the company to deliver reliable and seamless user experiences. Role overview This role focuses on developing mobile apps using Flutter. The Senior Engineer will contribute to key software projects and ensure that applications meet high standards for usability and performance. Collaboration Working alongside cross-functional teams, the Senior Flutter Engineer will support the delivery of important projects and help shape the direction of AJ Bell’s mobile offerings. Location This hybrid role is based in Manchester or London.

Join Roku as a Senior Software Engineer specializing in Infrastructure and Efficiency. In this role, you will be instrumental in enhancing our platforms, ensuring optimized performance, and driving innovative solutions. Collaborate with cross-functional teams to design and implement scalable systems that support our growing user base.

Role Overview Roku is hiring a Senior Software Engineer to work on the subscriptions platform in Manchester, United Kingdom. This role centers on building and improving subscription services that reach millions of users. The work supports a smooth, reliable experience for customers who use Roku’s streaming products. What You Will Do Design and implement scalable software solutions for the subscriptions platform Work with teams across engineering, product, and design to deliver new features and improvements Contribute to the architecture and reliability of services that support customer subscriptions Collaboration This position involves close collaboration with cross-functional partners. Projects often require input from multiple disciplines to ensure the final product meets Roku’s standards for customer engagement and satisfaction.

Join our dynamic team at Mark43 as a Senior Software Engineer specializing in Integrations. In this pivotal role, you will be responsible for developing seamless integration solutions that enhance our software capabilities and improve user experience. Collaborate with cross-functional teams to design, implement, and optimize APIs and integrations, ensuring they meet the high standards of performance and reliability.

Teamwork enhances the streaming experience. Join Roku in revolutionizing how the world enjoys television.As the leading TV streaming platform in the U.S., Canada, and Mexico, Roku aims to empower every TV globally. We initiated the streaming revolution for televisions and strive to be the connective tissue for the entire TV ecosystem. Our mission is to link viewers with their favorite content, assist publishers in growing and monetizing vast audiences, and provide advertisers with unique tools for engaging consumers.Your journey at Roku begins with making significant contributions from day one. In our rapidly growing public company, every team member has an important role to play. You will have the chance to delight millions of streaming enthusiasts while gaining invaluable experience across diverse disciplines. About The RoleAs a Senior Android Software Engineer on the Roku Mobile App team, you will be instrumental in shaping the interaction millions of users have with their Roku Streaming Devices. Your focus will be on crafting intuitive, reliable, and high-performance Android applications that enable users to monitor and control Roku devices, from TVs to Players and beyond.This position allows you to leverage a cutting-edge tech stack, including Kotlin, Compose, and Google’s latest frameworks. You will work in close collaboration with design, product, and cross-functional engineering teams to bring innovative features to fruition, enhance performance, and streamline everyday smart home interactions.You should possess a strong sense of curiosity and initiative, eager to take ownership of features while maintaining a collaborative, team-oriented mindset. About The TeamJoining our talented and high-performing team, known for its history of delivering quality, means you will help us maintain our momentum and continue producing top-notch applications as we expand.With millions of users globally, our products are recognized for their seamless integration and functionality. Achieving this standard requires commitment, which is why we are dedicated to ensuring our products are not just user-friendly, but also intuitively designed. What You’ll Be Doing

Together, we create seamless streaming experiences. Join Roku: Redefining Television ViewingRoku is the leading TV streaming platform across the U.S., Canada, and Mexico, with an ambitious goal of transforming how televisions operate globally. We originated the concept of streaming for TV and aim to be the go-to platform connecting the complete TV ecosystem. Our mission encompasses linking viewers with their favorite content, empowering content creators to reach vast audiences, and offering advertisers innovative ways to engage consumers.From your first day at Roku, your contributions will be significant and recognized. Being part of our rapidly expanding public company means you won't just observe; you'll actively shape the experience of millions of TV streamers worldwide while acquiring invaluable experience across diverse domains. Team OverviewAt Roku, our UI Systems team is responsible for creating high-performance engines and the essential graphical infrastructure that powers millions of devices. We manage low-level C++ frameworks, rendering pipelines, and system architectures that facilitate smooth navigation and captivating animations. Our efforts bridge hardware and software, optimizing graphics rendering, memory management, and layout engines to ensure a consistent and rapid experience across our entire device lineup. Collaboration is key as we work closely with firmware and silicon teams to push the limits of embedded hardware capabilities. Your RoleIn the capacity of a Senior Software Engineer, you will play a pivotal role in architecting the core systems that enhance Roku’s user experience. Your responsibilities will include designing and implementing performance-critical code within our UI engine, concentrating on graphics primitives, memory efficiency, and hardware acceleration. You will address intricate systems-level challenges, such as optimizing frame rates on resource-constrained hardware and developing robust APIs for higher-level frameworks. This position is perfect for engineers passionate about low-level systems programming, who are meticulous about performance, and who aspire to build the high-performance foundations that will shape the future of television.

Role overview Roku, Inc. is looking for a Senior Software Engineer to focus on Ad Auctions in Manchester, United Kingdom. This position plays a key part in building and improving Roku’s advertising auction systems. The work directly influences how efficiently ads are delivered and supports the company’s revenue goals. Main responsibilities Design, develop, and refine auction systems that drive advertising on Roku’s platforms. Collaborate with cross-functional teams to create solutions that balance business needs with a strong user experience. Contribute to projects that improve how ads are managed and delivered across Roku’s streaming products. Location This role is based in Manchester, United Kingdom.