Senior Backend Software Engineer - Application Development

Join Our Team as a Senior Application Engineer / DeveloperAre you passionate about crafting cutting-edge AI and cloud-native applications that leave users in awe? Are you eager to explore the frontiers of software delivery, AI engineering, and innovative application patterns? If you have a knack for developing intelligent applications that push the boundaries of technology, we want to hear from you!In this dynamic role, you will be at the forefront of building AI-driven solutions, focusing on hands-on development to create applications that challenge the status quo.Key Responsibilities:Design, build, test, and deploy state-of-the-art applications.Transform software delivery processes in the AI and cloud era.Evaluate AI code generation for accuracy and functionality.

Join a Transformative OrganizationAt Palantir, we create groundbreaking software that revolutionizes data-driven decision-making and operations. Our platforms empower partners to develop life-saving medications, anticipate supply chain disruptions, locate missing children, and much more by delivering crucial data to those who need it most.About the RolePalantir Foundry is an all-encompassing platform designed for data-driven decision-making. We are redefining how organizations securely integrate their data, enabling them to construct reliable and essential applications on a unified foundation. Our clients utilize Foundry to conduct in-depth analyses that drive core operational strategies. They can also develop sophisticated applications such as operational dashboards, alert management systems, and resource allocation tools powered by advanced machine learning models.As a Senior Front End Software Engineer specializing in application development for Foundry, you will play a key role in designing the tools employed by thousands of users to create the advanced applications that fuel their businesses. Your responsibilities will include architecting and developing user interfaces, managing state, and implementing access patterns to facilitate data-intensive workflows that are both powerful and user-friendly. One day, you may engage with users to gain insights into their needs and pinpoint product enhancements; the next, you could collaborate with your teammates to address intricate UX challenges by integrating customer feedback and insights from various industries.You will routinely tackle complex technical challenges that require you to outline solution designs and identify incremental steps for delivering new features. This includes owning the APIs and schemas that underpin your frontend code and collaborating with backend engineers to develop them.We seek engineers who are dedicated to solving real-world issues and enabling both developers and end-users to achieve optimal results. If you are passionate about creating reliable, high-performance, and scalable systems, as well as designing robust APIs and primitives, this role offers a unique opportunity to significantly influence our products and the individuals who utilize them.Frontline OpportunityFoundry Software Engineers may have the chance to participate in Frontline, a distinctive program that offers a short-term assignment with customers. This immersive experience allows you to work directly with users, gaining valuable insights into how our products are applied and the challenges faced by our clients. Unlike traditional engineering roles, Frontline exposes you to complex, ambiguous problems, empowering you to innovate solutions that directly enhance user experiences.

Speechify seeks a Senior Software Engineer to focus on Windows and desktop applications. This role is based in London, United Kingdom. Role overview This position centers on designing and building software for Windows and other desktop platforms. The engineer will join a team dedicated to delivering applications that enhance the user experience. What you will do Design and develop software tailored for Windows and desktop environments Collaborate with a skilled team to deliver user-focused applications Create solutions that respond to evolving user needs and expectations

Why Choose PlayStation?At PlayStation, we pride ourselves on being not just the best place to play, but also the best place to work. As a recognized global leader in entertainment, we proudly produce the PlayStation family of products and services, including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and critically acclaimed software titles from PlayStation Studios.We are dedicated to fostering an inclusive environment that empowers a diverse workforce. We welcome individuals who are passionate about innovation, technology, and gaming to explore our open positions and join our expanding global team.PlayStation is a brand under Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.We are on the lookout for a talented Software Engineer to join our game integration platform, bridging gameplay and platform experiences! As a member of the Partners Platform team, you will work at the intersection of business and engineering on the PlayStation SDK Windows Delivery tooling.In this role, you will contribute to the development of the SDK Manager Windows Application, coordinating with business and engineering teams to enhance the relationship between SIE and our game development and publishing partners.Role Overview:We are seeking a skilled C# Software Engineer to design and develop Windows-based applications that facilitate the delivery and integration of SDK components for Sony PlayStation platforms. This position requires robust experience in C#, along with a solid understanding of C and C++ for low-level integration and performance-critical components.Key Responsibilities:Design, develop, and maintain Windows desktop applications using C# and the .NET framework.Create tools and interfaces to support the integration and delivery of PlayStation SDK components.Utilize native code (C/C++) to interface with low-level systems and SDK libraries.

Join a Transformative CompanyAt Palantir, we are pioneers in crafting the world's foremost software for data-driven decision-making and operational efficiency. Our innovative platforms connect vital data with those who require it, empowering our partners to develop life-saving pharmaceuticals, anticipate supply chain disruptions, locate missing children, and much more.Your RoleAs a Full Stack Engineer specializing in application development within Palantir Foundry, you will play a crucial role in shaping tools utilized by thousands to create advanced applications that drive their enterprises. You will design and implement user interfaces, manage state, and establish access patterns to facilitate data-intensive workflows that are both powerful and user-friendly. Your responsibilities may include interviewing users to comprehend their needs and identifying areas for product enhancement, as well as collaborating with colleagues to devise solutions for complex user experience challenges across various sectors.Daily, you will tackle intricate technical challenges, defining solution designs and incrementally delivering new features. You will take ownership of APIs and schemas that empower your front-end functionality, or collaborate with back-end engineers to develop them collectively.We seek engineers who are passionate about addressing real-world challenges and enabling both application builders and end-users to work at their best. Here are some examples of the impactful product work you will engage in:Frontline ProgramAs a Foundry Software Engineer, you may have the unique opportunity to participate in the Frontline program. This exclusive, short-term assignment places you directly with customers, allowing you to collaborate with users and gain invaluable insights into product applications and the challenges faced by our clients. Unlike conventional engineering roles, Frontline immerses you in complex, ambiguous problems, empowering you to deliver significant solutions across some of the world’s most critical industries and institutions.

Senior Application ArchitectAs a Senior Application Architect at Telefónica Tech, you will play a pivotal role in assisting our clients to swiftly visualize, design, and implement applications utilizing cloud-native architectural patterns. This is a hands-on, client-facing position where you will collaborate with organizations to create cloud-native prototypes of applications or components, transforming their application portfolios and software development lifecycle (SDLC) for the cloud.This role is part of our Strategic Cloud Consulting team, working at the initial stages of the customer lifecycle, delivering quick value projects via our unique delivery methodology, before embarking on long-term consulting and managed service initiatives.Key Responsibilities:Engage with clients through collaborative whiteboarding sessions to comprehend their application strategies, technical limitations, and modernization mechanisms.Rapidly design and develop cloud-native prototypes of customer applications using modern, automated toolchains and innovative DevOps methodologies.Steer software strategy across the full-stack to redesign software architecture and integrate contemporary software development lifecycle processes.Create and showcase an application demo portal that highlights the latest advancements in cloud and application architecture.Pioneer AI-driven methodologies for application development and management, aiding customers in incorporating AI, ML, and automation into their processes.Work closely with sales, pre-sales, and cloud teams throughout the entire customer lifecycle to become a recognized expert in engineering modern applications.Partner with our tooling vendors to provide modern toolchains that enable customers to visualize software applications quickly.

We are seeking a Principal Software Engineer specialized in engineering applications to join our dynamic team at physicsx. In this role, you will lead the design and development of innovative software solutions that empower our engineering teams to achieve exceptional results. Your expertise will drive the implementation of cutting-edge technologies and methodologies, ensuring the highest standards of performance and reliability.As a Principal Software Engineer, you will collaborate closely with cross-functional teams, mentor junior engineers, and contribute to the overall technical strategy of our organization. You will have the opportunity to work on challenging projects that have a significant impact on our business and clients.

Join our innovative team at version1 as a Senior JavaScript Developer, where you'll play a vital role in developing high-quality web applications. You will be responsible for designing, implementing, and maintaining complex software solutions using the latest technologies. If you are passionate about coding and thrive in a collaborative environment, we want to hear from you!

Role Overview margo-group is looking for a Rapid Application Developer with strong JAVA skills to join the team in London. This position focuses on building and refining applications that support client goals and internal efficiency. What You Will Do Develop JAVA-based applications, from design through implementation Work with colleagues from different disciplines to create and test solutions Help improve processes and technology offerings for clients Collaboration This role involves regular interaction with cross-functional teams. Clear communication and a willingness to share knowledge are important.

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.

Wayve Technologies is seeking a talented Application Software Engineer to join our innovative team. This role involves designing, developing, and maintaining advanced software applications that drive our cutting-edge technology in the field of autonomous vehicles. Candidates must be passionate about cutting-edge technology and eager to contribute to transformative solutions.

Margo Group is a pioneering consultancy specializing in high-value IT solutions for the financial market sector. Our philosophy centers on the belief that the intersection of sophisticated IT challenges and finance presents the most stimulating opportunities for our consultants, encompassing low latency, multithreading, and high data volumes.By joining Margo as an IT consultant, you will become part of a close-knit organization that prioritizes personalized training and internal development strategies, ensuring that you enhance your skill set continuously. Our service offerings are categorized into three core areas: IT Support, Rapid Application Development, and Software Development.Margo is in search of a Rapid Application Developer - IT Quant to join our dynamic teams within a global corporate and investment banking environment.

Join physicsx as a Senior Software Engineer specializing in Forward Deployed Applications. In this role, you will leverage your expertise in advanced software development to create robust applications that meet the unique needs of our clients. You will work in a dynamic environment that fosters innovation and collaboration, playing a key role in shaping the future of our technology solutions.

Role overview hiya seeks a Full-Stack Software Engineer based in London to focus on mobile applications. This position involves designing, building, and maintaining mobile solutions that support both user experience and business objectives. What you will do Design and develop mobile application features, taking ideas from initial concept through to deployment Maintain and enhance existing mobile solutions Collaborate with colleagues across different teams to deliver reliable, high-quality software Work on projects aimed at improving the user experience

Join our dynamic team at ion as an Application Security Engineer, where you will play a crucial role in safeguarding our applications and data. You will collaborate with development teams to identify vulnerabilities and implement security best practices, ensuring that our software is resilient against threats.Your expertise will help us create secure coding standards and guidelines, conduct security assessments, and perform code reviews. You will be at the forefront of enhancing our security posture and contributing to the overall success of our projects.

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.

Over 500 million downloads. 80 million monthly users. A decade of relentless innovation – and we’re just getting started.Flo is the leading health & fitness app globally, dedicated to transforming the future of female health. With a $200 million investment led by General Atlantic, we proudly became the first app in our sector to achieve a $1 billion valuation in 2024. Our journey continues unabated.With 7 million paid subscribers and the highest-rated user experience in the App Store’s health category, we have spent the last decade building trust on a grand scale. Now, we are pioneering the next generation of digital health technologies – AI-driven, privacy-centered, and clinically validated – to empower our users to better understand their bodies.Your RoleThe Challenge AheadAt Flo, we’re more than just an app; we’re a thriving global community. As the number one women’s health app, we experienced 8.6 million new installs in the last month, along with a 2.8 million increase in active users.This extraordinary growth demands top-tier engineering talent. We are on the lookout for a Senior Developer Experience Engineer to join our Velocity team, which focuses on enhancing our internal platform. Your objective will be to create the foundational tools that empower our engineering teams to deploy code more efficiently, securely, and at a scale that most engineers rarely encounter.Your Mission: VelocityThe Velocity team aims to minimize friction in the development process. We see our internal developers as our primary customers. Your responsibilities will include:Simplifying Complexity: Craft intuitive tools that facilitate self-service, allowing developers to concentrate on core product logic.Standardizing Excellence: Integrate best practices, security, observability, and scalability into our core infrastructure, ensuring they are fundamental, not just afterthoughts.Your ResponsibilitiesEnhancing Developer Experience: Develop self-service tools that grant product teams the autonomy they need without compromising system stability.Platform Engineering: Design and advance our core technology stack (AWS, EKS, Terraform, Ansible).Systems Resilience: Spearhead reliability initiatives, encompassing business continuity planning and a sustainable on-call strategy.Privacy at Scale: Bolster the infrastructure for industry-leading privacy features, such as our TIME-recognized "Anonymous Mode." Observability: Deploy cutting-edge monitoring solutions (metrics, logs, tracing) to ensure swift identification and resolution of issues.

Join Wayve Technologies as a Principal Application Software Engineer and be part of a pioneering team that is transforming the future of autonomous driving. This role involves leading software application development, collaborating closely with cross-functional teams, and driving innovative solutions to real-world challenges in the automotive industry.The ideal candidate will possess extensive experience in software engineering, a strong understanding of algorithms, and a passion for cutting-edge technology. You will play a critical role in enhancing our software architecture and ensuring the scalability and performance of our applications.

Senior Ruby on Rails Developer - Contract Position - £550/DayKey Challenges:Join a rapidly growing company that is becoming a household name! Our primary challenge is achieving scalability, and we are seeking experienced Senior Ruby on Rails Contractors who can engage with the entire product development process and contribute to architectural decision-making. As a contractor, mentoring junior staff and demonstrating proficient coding skills in Ruby (and Rails) with a focus on Test-Driven Development (TDD) is essential.Desired Qualifications:Proven experience in scalability and architectural decision-making as a Senior Ruby on Rails Engineer.Interest in functional programming and familiarity with Kafka is highly desirable.Experience in DevOps practices along with strong stakeholder management skills is preferred.Compensation: The rate is £550 per day for an initial period of 3 months.If you are interested, please send your CV to Sam Wellalage for a confidential discussion.