Full Stack Application Software Engineer

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.

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.

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.

Collaborative Innovation to Enhance Streaming Experiences. Join Roku in Revolutionizing Television ViewingAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to transform how the world engages with television. We connect viewers with their favorite content, empower publishers to reach expansive audiences, and provide advertisers with unique engagement opportunities.From day one, you will play a pivotal role in a dynamic and rapidly growing company where your contributions matter. At Roku, you’ll have the chance to delight millions of viewers globally while gaining invaluable experience across diverse areas of expertise. About Our TeamThe Web Engineering team at Roku is dedicated to developing and maintaining our innovative web application framework and design system. We manage a variety of consumer-facing online properties, web applications, and a suite of web services tied to content management systems, automated publishing tools, localization, and much more. Our mission is to empower web developers to create highly accessible, secure, SEO-optimized, and performant applications that reflect Roku’s branding and user experience consistency. About the RoleWe are looking for a seasoned and adaptable Senior Full Stack Engineer to support the development of privacy-enhancing technologies for our global user base. If you thrive on solving complex problems, are a quick learner, communicate effectively, and can make sound decisions under pressure, this role is for you. You will be instrumental in scaling our platform to accommodate our expanding consumer base. ResponsibilitiesDevelop and implement full-stack solutions focused on enhancing user experience using cutting-edge web technologies.Engage in hands-on coding to design scalable solutions.Lead significant technical projects that will positively impact millions of users and lay the foundation for future innovations.Collaborate with cross-functional teams to enhance features and functionalities.

Join our dynamic team at Shawbrook as an Application Security Engineer. In this pivotal role, you will be responsible for safeguarding our applications by implementing robust security measures throughout the software development lifecycle. Your expertise will help identify vulnerabilities and enhance our overall security posture, ensuring our systems remain resilient against evolving threats.

About UiPath and Peak UiPath builds enterprise automation software that helps organizations unlock new efficiencies. With the recent acquisition of Peak, UiPath is expanding its reach in AI-driven optimization and decision intelligence. Peak’s platform supports global brands, including Nike, Heidelberg Materials, and Boohoo, in areas such as inventory, pricing, and operations. Role Overview: Solution Engineer - AI Applications Based in Manchester, the Solution Engineer will report to the Director of Solution Engineering. This role focuses on helping establish Peak as a leader in AI platforms. The position works closely with the sales team to uncover opportunities for AI applications and engages directly with both prospective and current clients. The goal: understand their strategies, business processes, and challenges, then shape tailored AI proposals that meet their objectives. What You Will Do Collaborate with clients to understand their business needs and challenges, identifying where AI can add measurable value. Lead key parts of scoping workshops, including mapping processes and systems and calculating potential value. Partner with sales colleagues to explore opportunities for Peak’s AI applications in new and existing accounts. Engage with business executives and industry experts to demonstrate the benefits of working with Peak. Support regional growth by running workshops, demos, technical assessments, and sharing insights on AI trends and best practices. Who Succeeds Here The team values curiosity, self-motivation, generosity, and authenticity. Success comes from working well in a changing environment, caring about colleagues, and sharing UiPath’s mission to transform how organizations operate.

Speechify is looking for an iOS Core Product Software Engineer to join the team in Manchester, United Kingdom. The focus of this role is on designing and building iOS applications that make products more accessible and improve the experience for users. Key responsibilities Develop and maintain essential features for Speechify’s iOS applications Collaborate with fellow engineers to deliver software that is both reliable and easy to use Share ideas and technical knowledge to help advance accessibility for users around the world Location This role is based in Speechify’s Manchester office.

Join us at Engine by Starling, where we are dedicated to partnering with innovative banks globally that aspire to leverage our cutting-edge technology to drive rapid business growth.Engine operates as Starling's software-as-a-service (SaaS) division, stemming from the technology originally designed to fuel Starling's success. Two years ago, we established ourselves as an independent entity.Our parent company, Starling Bank, has experienced remarkable expansion, largely owing to our commitment to developing modern technology from the ground up. This SaaS platform is now accessible to banks and financial institutions worldwide, providing them with innovative digital solutions and streamlined back-office operations that have significantly contributed to Starling's achievements.At Engine, we believe in a hands-on approach, where every team member plays a crucial role in delivering outstanding results for our clients. We are a technology-driven organization seeking passionate individuals excited about the transformative potential of our solutions in the banking sector across various global markets. Our ethos is built upon five core values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness.Hybrid WorkingWe embrace a hybrid working model at Engine, preferring team members to be within a commutable distance from our offices to facilitate in-person collaboration.About Engineering at Engine by Starling - https://www.enginebystarling.com/We are on the lookout for Backend Software Engineers to enhance the Engine Platform. Your role will involve optimizing existing features for banks worldwide and developing new functionalities that have yet to be introduced in the UK market.Engine by Starling engineers are eager to contribute to the rollout of new features, regardless of their primary tech stack. To learn more about our team and insights, please refer to our Day in the Life of a Software Engineer 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.

Role overview AJ Bell seeks a Software Engineer with experience in Generative AI to support new initiatives in financial services. This is a full-time hybrid position, combining in-person work at the Manchester office with remote days. What you will do Design, develop, and maintain software solutions that incorporate generative AI technologies Collaborate with colleagues from various teams to deliver project outcomes Suggest and implement improvements to existing systems Keep up to date with advances and tools in the AI landscape Work environment This role blends on-site collaboration in Manchester with the option to work remotely part of the week.

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.

Foundation Health builds an AI-powered digital pharmacy platform designed to improve patient care. The team focuses on connecting healthcare services, streamlining coordination, and making the patient journey smoother. Creative problem-solving is encouraged, and the company believes that a supportive environment helps drive meaningful change for patients, partners, and the organization. Curiosity and fresh ideas are welcome here. Foundation Health values diverse perspectives and looks for people who set high standards and want to keep pushing for innovation. Many healthcare workflows have not changed in years, leading to inefficiencies. Foundation Health works to simplify these processes using AI, especially in pharmacy. The current effort centers on building AI-enabled systems that integrate with Electronic Health Record (EHR) platforms, aiming to modernize the infrastructure that supports care delivery. Role overview The Staff Software Engineer will help shape both current projects and the broader product direction. This position has a direct influence on decisions that will guide Foundation Health’s strategy over the next 6 to 12 months. What you will do Drive strategy: Balance short-term delivery needs with long-term technical health, and identify when to push back on requirements that could introduce excessive technical debt. Connect the dots: Translate complex business goals into clear technical solutions for stakeholders. Location This role is based in Manchester.

interactive investor is a flat-fee investment platform in the UK, supporting customers as they manage their financial futures. With nearly 30 years in the sector, the company manages close to £75 billion for over 450,000 customers and offers access to a wide range of UK and international investment options. The platform is also recognized for impartial financial journalism and an active investor community. Role overview The Lead Principal Software Engineer guides technical direction across several delivery teams. This position shapes discovery, design, planning, and architecture, acting as a subject matter expert in key technical areas. The role reports to the Senior Manager and works closely with teams across the business to develop and transition technical solutions into live environments. Supporting the Technical Engineering Manager, the Lead Principal Software Engineer oversees changes within defined parts of the technical landscape and ensures solutions move smoothly from delivery to production. Key responsibilities Work with engineering teams to align solutions with strategic technology goals. Facilitate smooth knowledge transfer and technical solution handover across all team levels. Contribute to the discovery, architecture, and design of complex new solutions and patterns. Lead changes that introduce new architectural designs or significantly update existing systems. Support architectural and solution design decisions in line with the overall technology strategy. Encourage technical development and innovation within the team through design and research initiatives. Build team capability by sharing knowledge and mentoring others. Location and compensation Location: Hybrid arrangement, with three days per week based in Manchester. Salary: Starting from £75,000.

At Anaplan, we are a dynamic team of innovators dedicated to transforming business decision-making through our state-of-the-art AI-driven scenario planning and analysis platform. This empowers our clients to stay ahead of their competitors and the evolving market landscape.What brings Anaplanners together, regardless of team or location, is our unwavering dedication to customer success and our Winning Culture.Our clientele includes some of the most renowned names in the Fortune 50. Companies like Coca-Cola, LinkedIn, Adobe, LVMH, and Bayer are just a few of the 2,400+ global corporations that trust our premier platform.The essence of our Winning Culture fuels our innovative teams. We celebrate diverse perspectives, embrace leadership at every level, strive for ambitious goals, and take joy in recognizing our achievements — both big and small.Driven by our principles of strategic focus, value-driven actions, and disciplined execution, you will find inspiration, connectivity, growth, and recognition here. We welcome the unique qualities you bring; let’s collaborate to create the future together!The RoleThe Core Performance engineering team is on the lookout for a junior to mid-level software engineer to develop and sustain performance tests and frameworks that are foundational to our performance initiatives at Anaplan. We seek an advocate for robust software engineering principles, particularly in delivering high-performing software solutions. At Anaplan, performance is integral to our mission, and we need someone passionate about enhancing the performance of our platform.Your ImpactA Strong Engineer: You have experience with large codebases and a solid understanding of the SOLID principles of software engineering.Accountable and Self-Directed: You set high personal standards, work autonomously, and take ownership of results.Ownership Mindset: You pursue problems to resolution and consider platform performance as your responsibility.Scale-Oriented Thinking: You look beyond localized fixes, developing solutions that facilitate cross-team collaboration and drive adoption through influence rather than authority.Bias Toward Automation: You proactively seek to minimize repetitive tasks through automation, creating sustainable solutions over manual processes.Data-First Approach: You prioritize data quality in decision-making, holding yourself to the highest standards of data integrity.Quality Advocate: You champion quality in all aspects of your work.

Join Anaplan, a dynamic team of innovators dedicated to revolutionizing business decision-making with our top-tier AI-driven scenario planning and analysis platform. Our mission is to empower our customers to outperform their competitors and thrive in the market.At Anaplan, what brings us together is our unwavering commitment to our customers’ success and a culture focused on winning.Our clientele includes prestigious names within the Fortune 50, such as Coca-Cola, LinkedIn, Adobe, LVMH, and Bayer, representing over 2,400 global companies that trust our industry-leading platform.Our Winning Culture propels our teams forward, fostering diversity of thought and ideas. We embody leadership at every level, strive for ambitious goals, and love celebrating our achievements—both large and small.Guided by principles that emphasize strategy-led initiatives, values-based actions, and disciplined execution, you’ll find inspiration, connection, growth, and recognition here. Your uniqueness is celebrated; come join us to shape the future—together!Anaplan is actively seeking a Principal Software Engineer who will serve as the technical leader in our pivotal Experience Engineering workstream. In this role, you will outline the long-term technical vision and architectural roadmap to enhance our platform for a worldwide audience. This is a rare chance to spearhead the strategy for internationalization (i18n) and localization (l10n) on a grand scale for our award-winning planning technology. As Anaplan continues its impressive growth in a competitive global market, delivering an exceptional, localized experience remains a critical strategic goal, with you leading the technical charge.We are in search of a visionary and highly technical leader capable of navigating ambiguity, influencing cross-functional teams, and establishing a benchmark for engineering excellence.Your Impact• Define the long-term technical vision and architectural framework for Anaplan's internationalization platform and infrastructure.• Lead the design and implementation of scalable, resilient systems for continuous localization, acting as both lead engineer and technical mentor.• Collaborate with engineering leadership and product management to formulate the strategy for global readiness across all new features and products.• Tackle complex technical challenges related to localization, proactively addressing future needs and ensuring architectural integrity.

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.

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