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Experience Level
Senior
Qualifications
Key Responsibilities· Architect, develop, and sustain Dagster-based data pipelines using Python.· Create and implement efficient data models tailored to our product features and application needs.· Write SQL queries and procedures for data pipeline and API services.· Troubleshoot, maintain, and enhance our current codebase.· Develop and perform unit tests and integration tests to guarantee software reliability.· Execute performance profiling and stress testing to optimize system responsiveness.· Keep well-organized documentation for data models and ETL/ELT pipelines.· Engage collaboratively with cross-functional teams, including client applications and cloud teams.· Remain flexible in learning new technologies and contributing across various technical areas as required. Essential Skills & Experience· Bachelor's degree in Computer Science or a related field, or equivalent experience in database and data pipeline development.· Proven experience with relational databases and SQL, particularly PostgreSQL.· Strong programming skills in Python and experience with Object-Oriented Programming (OOP).· Expertise in data modeling for both transactional and analytical systems.· Proficient in debugging, troubleshooting, and performance optimization.· Familiarity with Git, including active involvement in code reviews.· Strong communication and collaboration abilities.
About the job
About XYZ Reality XYZ Reality is an innovative, award-winning Series-A startup on the cusp of our next funding round. Our goal is to enhance our platform by improving its features, performance, and scalability, all while transforming the construction industry.
As a dynamic multi-disciplinary organization, we operate across various fields such as cloud development, data governance, data processing pipelines, electronics, embedded software/hardware, mechanical design/manufacturing, AI & computer vision, and data science, all contributing to the efficacy of our Building Information Modeling (BIM) Platform.
To help propel our mission, we are in search of a Senior Data Engineer who possesses extensive experience in data modeling, database management, and data pipeline development. The ideal candidate will play a pivotal role in maintaining our existing tech stack and developing new features with an emphasis on performance and scalability. Collaboration with our API/backend development and data pipeline teams will be crucial to create robust and efficient solutions.
About XYZ Reality
XYZ Reality is a pioneering technology company that is reshaping the construction industry through innovative solutions and a commitment to excellence. Our multi-disciplinary team thrives in a fast-paced environment that emphasizes collaboration and continuous learning.
XYZ Reality develops engineering-grade Augmented Reality solutions tailored for the construction sector. The company’s main product, The Atom, combines a smart headset and hard hat, allowing teams to use holographic technology to follow plans precisely, keep projects on track, and manage costs. With a team of over 100 employees across the UK, US, and Europe,…
About UsAre you ready to embark on a thrilling challenge?At XYZ Reality, a dynamic and award-winning Series-A startup, we're on a rapid ascent toward our next funding milestone. Our vision is to revolutionize the construction sector by enhancing our platform's features, performance, and scalability.We thrive in a fast-paced, multi-disciplinary environment, engaging in various domains such as cloud development, electronics, embedded software/hardware, mechanical design/manufacturing, AI & computer vision, and data science—all contributing to our innovative BIM Platform.To propel this mission forward, we are in search of a Backend Engineer with extensive Node.js experience to assist in our transition from Java to Node.js and develop high-performance, scalable backend services. You will collaborate closely with our API development, client applications, and data pipeline teams to design and deliver robust, efficient solutions.Our office is situated in central London, just a short stroll from Angel Station.
XYZ Reality creates engineering-grade augmented reality solutions tailored for the construction industry. The company’s flagship product, The Atom headset, brings holographic technology directly to job sites, helping teams keep projects on track and within budget. With a team of more than 100 colleagues across the UK, US, and Europe, XYZ Reality partners with mission critical organizations and construction firms to support major building projects. Role overview Based in the London office, the Customer Support Specialist manages the entire customer support journey. The role centers on Freshdesk and AI-driven processes, acting as the main point of contact for customer inquiries. Using tools such as Claude, the specialist streamlines ticket handling and works to improve service quality. This position values strong organizational skills, initiative, and a genuine interest in how AI can shape support operations. Main responsibilities Manage customer support tickets in Freshdesk, meeting or surpassing service level agreements (SLAs). Set up, maintain, and refine Freshdesk workflows, automation, knowledge bases, and reporting dashboards. Integrate AI to enhance ticket triage, categorization, and routing. Develop and maintain AI-assisted support pipelines using tools like Claude to automate first responses, summarize tickets, and suggest resolutions. Act as a key link between customers and internal teams (Engineering, Product, Sales), ensuring effective escalation and resolution of complex issues. Build strong relationships with stakeholders throughout the company. Share regular updates on support performance, customer satisfaction (CSAT/NPS), and sentiment with senior management. Investigate recurring issues through root cause analysis and collaborate with Product and Engineering to implement solutions. Represent the customer perspective internally, identifying opportunities to improve support processes, tools, and AI integration.
XYZ Reality develops advanced Augmented Reality solutions tailored for the construction industry. The company’s main product, The Atom, combines a smart headset and hardhat to bring holographic visualization directly to job sites. Teams use this technology to keep projects on track and within budget. With a workforce of over 100 people across the UK, US, and Europe, XYZ Reality collaborates with leading organizations and construction firms on major projects. Role overview This Lead Mobile Developer position is based in London and centers on shaping the technical direction of XYZ Reality’s mobile platform. The role involves building digital products used by construction professionals and working closely with Cloud, AR/3D, and UX teams to deliver integrated solutions. What you will do Design, build, and enhance a mobile app that supports construction workflows, including features for Augmented Reality and 360-degree capture. Ensure the app performs reliably both on-site and offline. Develop native iOS applications using Swift and some Objective-C. Integrate third-party SDKs, such as 360 camera support and point cloud viewers, to improve project tracking and issue management. Oversee the mobile delivery pipeline by setting up CI/CD processes, creating automated testing strategies (unit, component, and end-to-end), and managing releases for both the Apple App Store and Google Play. Collaborate directly with Cloud, AR/3D, and UX teams to provide development support and deliver a seamless user experience. Requirements Extensive experience in mobile development, with a focus on React Native and TypeScript. Strong understanding of iOS architecture, build systems, app lifecycle, memory management, and debugging using Xcode Instruments. Experience maintaining native modules in Swift is required. This position is based at the London office.
Join a pioneering and award-winning Construction Technology firm! XYZ Reality has developed the world's first engineering-grade Augmented Reality solution specifically designed for the construction sector. Our innovative technology integrates seamlessly with The Atom—a smart, site-safe headset—to optimize major Mission Critical projects in sectors such as Data Centres, Oil & Gas, Pharmaceuticals, and Aviation. We leverage AR technology to ensure projects are delivered on time and within budget.Position OverviewAs the Strategic Account Executive for Mission Critical sectors, you will spearhead efforts to drive revenue growth by developing and executing strategic plans for key territories and accounts across industries like data centers, healthcare, and pharmaceuticals. Your extensive experience in construction and enterprise sales will enable you to identify and close intricate opportunities by addressing client needs through the XYZ Reality platform.In this role, you will form lasting partnerships with senior stakeholders, showcasing clear business value, ROI, and risk mitigation strategies while managing multi-stakeholder sales cycles from initial contact to contract negotiation and beyond. You will be an integral part of our revenue organization, working towards ambitious annual and quarterly targets.Key ResponsibilitiesAccount & Territory Strategy DevelopmentFormulate and implement strategic territory and account plans that align with revenue goals and long-term growth strategies.Identify and prioritize high-value target accounts based on market opportunity, customer readiness, and strategic alignment.Maintain accurate forecasts of pipeline and revenue projections.Building Strategic RelationshipsCultivate and expand relationships at the executive level within assigned accounts, engaging stakeholders from operational teams to C-suite executives.Identify and nurture decision-makers, champions, influencers, and economic buyers.Deliver tailored presentations that articulate the strategic business value of our solutions.
About XYZ RealityXYZ Reality is pioneering the construction industry through innovative Augmented Reality solutions. Our flagship product, the ATOM headset, provides construction professionals with precise holographic visualizations of Building Information Modeling (BIM) models on-site. This revolutionary technology minimizes rework and enhances project delivery accuracy. By leveraging cutting-edge advancements in spatial computing, real-time rendering, and cloud integration, we are redefining the execution of complex construction projects.Role OverviewAs a Senior Software Engineer on the Atom team, you will play a vital role in developing the application and user experience layer of XYZ Reality’s ATOM headset. Collaborating closely with the XR Lead and cross-functional teams, you will design and implement on-device workflows, spatial interaction models, and operator interfaces that construction professionals depend on every day.This hands-on role emphasizes delivering polished, high-performance user experiences on specialized hardware. You will also have the opportunity to mentor junior engineers, share your expertise, and elevate the overall technical standards of the team.Key ResponsibilitiesApplication & UX Development: Design, develop, and optimize application-layer software for the ATOM headset, focusing on spatial interaction models, alignment workflows, and operator guidance.Graphics & Rendering: Contribute to real-time rendering features, including holographic overlays and spatial feedback indicators, while optimizing graphics performance on battery-powered hardware.Software Quality & Delivery: Write clean, maintainable C++ code and engage in code reviews while contributing to CI/CD pipelines and automated testing tools.Cross-Functional Collaboration: Work closely with various teams to ensure a seamless integration of software solutions.
Join XYZ Reality in Revolutionizing Construction with Augmented RealityXYZ Reality is at the forefront of transforming the construction industry by utilizing Augmented Reality (AR) technology. Our flagship product, the ATOM headset, allows for accurate holographic visualization of Building Information Modeling (BIM) on-site, significantly reducing rework and enhancing delivery reliability. By harnessing the latest advances in spatial computing, real-time rendering, and cloud integration, we are reshaping the future of complex construction projects.Role OverviewAs the Lead Developer, you will spearhead the design, development, and implementation of the embedded and XR software stack that powers XYZ Reality’s ATOM headset. You will be a hands-on technical leader, overseeing critical components such as real-time rendering, tracking integration, system middleware, and device-cloud connectivity while mentoring a talented software team.Your focus will be on execution, quality, and the on-device user experience, converting advanced capabilities from R&D, hardware, and cloud teams into reliable tools utilized daily on active construction sites.Key ResponsibilitiesTechnical LeadershipLead the development of the on-device software stack for the ATOM headset, including XR runtime, system services, tracking integration, user interfaces, and networking layers.Design and implement scalable, modular, and high-performance software for real-time AR on battery-powered hardware.Make critical technical decisions and contribute hands-on to essential areas of the codebase.Team LeadershipMentor and support a team of XR, graphics, embedded, and systems software engineers.Establish clear technical direction, conduct code reviews, and facilitate engineers’ technical development.Encourage best practices in performance-aware, reliable, and testable software development.User Experience & Workflow OwnershipOwn the complete on-device user experience, addressing spatial interaction models, alignment feedback, tolerances, error states, and operator guidance in real construction environments.Collaborate closely with Product Management to convert field requirements into robust, real-time workflows that operate locally on the device.Cross-Functional CollaborationWork closely with Hardware, Mobile, Cloud, and R&D teams to ensure seamless integration and functionality.
Join Aircall, a revolutionary unicorn in the AI-powered customer communications sphere, trusted by over 22,000 companies globally to enhance revenue, expedite issue resolution, and empower customer-facing teams. We are transforming the landscape of customer communications by integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our growth is driven by a straightforward principle: to enable teams to work smarter, not harder. Our AI Voice Agent automates routine calls, while AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time insights, allowing individuals to excel in their roles. This synergy results in increased revenue, quicker resolutions, and scalable teams.Headquartered in Paris, with a solid presence in North America anchored in Seattle, Aircall also has teams in vibrant cities such as Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and we are rapidly scaling, supported by top-tier investors and continuous AI advancements across multiple product lines.At Aircall, you'll become part of a dynamic company. We are ambitious, focused on product development, and execution-oriented, with a clear impact, swift decision-making, and genuine growth opportunities.Our Work Culture at Aircall: We prioritize customer satisfaction, leverage data for decision-making, and are dedicated to delivering significant outcomes. We cherish ownership, continuous improvement, and thoughtful agility. If you thrive in a collaborative, fast-paced environment where trust and impact are essential, you will thrive here.Position Overview:As a Senior Backend Software Engineer, you will take charge of designing, developing, deploying, and maintaining essential features that enhance customer value on our voice platform.You will be expected to advocate for best practices, mentor team members, and contribute to the broader Engineering community as part of your daily responsibilities.Quality, excellence, and agility are at the core of our delivery process, and you will play a pivotal role in elevating these standards.Utilizing a diverse array of backend technologies tailored to specific needs, all hosted on AWS, we create resilient services that deliver added value on top of voice while fully integrating with our customers' critical business tools (CRM, Helpdesk, E-Commerce, etc.).
About 9fin9fin is a cutting-edge AI platform revolutionizing the global debt markets, which represent the largest asset class exceeding $145 trillion.The landscape of debt markets is extensive, global, and essential, yet it often relies on disjointed data, PDFs, and manual processes. 9fin transforms this outdated infrastructure by providing a unified platform that consolidates proprietary credit data, in-depth analysis, and efficient workflows across international markets.Currently, 9fin empowers over 300 prestigious institutions worldwide, including leading banks, asset managers, private equity firms, law firms, and consulting advisors. The company is experiencing rapid growth, particularly in the US, with exceptional retention rates driven by robust workflow adoption.We are at a pivotal moment. With a validated product-market fit and strong global demand, 9fin is propelling towards becoming the definitive platform for debt markets globally.What You'll Work OnAs a Senior Backend Engineer on our Structured Credit team, you will contribute to the development of our market-leading CLO product and assist in the launch of a new vertical.Our team is dedicated to making a significant impact, leveraging technology to create value for the business. While we have overarching business goals, we enjoy the autonomy to define our team objectives and determine our success metrics. We uphold accountability and proactive behaviors such as ownership.Lead projects within a cross-functional team by defining and designing systems, building proof of concepts, and delivering new service functionalities—including APIs, data processing, and automation—while collaborating with Product and Clients.Engage in backend development and engineering primarily on the services and web applications hosted on the 9fin platform.Play a crucial role within project teams as a senior individual contributor, conducting code reviews, mentoring fellow developers, and participating in early research and experimentation with new technologies to provide insights for new features and products.Continuously enhance the 9fin codebase by seizing opportunities to automate, refactor, and document processes when it has the most significant impact.Work across diverse web platforms involving complex financial data modeling, intricate access control logic, environmental data capture, integration of ML/AI prediction services, and data visualization.
Full-time|Hybrid|London, England, United Kingdom (Hybrid)
Join commercetools as a Senior Backend Engineer, where you will play a pivotal role in shaping innovative backend solutions using TypeScript. Collaborate with cross-functional teams to create scalable and resilient microservices that empower our clients to deliver exceptional digital commerce experiences.
About the CompanyAffinidi is a pioneering technology firm focused on reimagining data ownership. We empower both businesses and individuals to take control of their data, providing a holistic approach to managing their digital identity while prioritizing privacy and security.Our innovative technology facilitates decentralized digital identity solutions, ensuring that everyone has the right to own and govern their data. We are dedicated to establishing a trustworthy ecosystem for digital credentials that allows secure data and service exchange across various sectors and borders. About the Role: We are seeking a solution-driven Senior Backend Engineer who possesses substantial expertise in Rust. The ideal candidate will have a track record of delivering robust backend solutions and is eager to contribute to our mission of transforming digital identity.
Join Our Dynamic Team at XapienAt Xapien, we empower businesses to truly understand their connections with suppliers, investors, partners, and third parties. Our innovative approach merges speed, scale, and precision, utilizing advanced AI technology.Since our inception in 2018, we've evolved from a deep-tech startup to a key player in AI-driven due diligence and risk intelligence. The year 2024 marked a significant milestone, with the successful closure of a $10M Series A funding round and accolades in the Chartis RiskTech100® and Everest Group’s Leading 50™. Our expansion has led to a broader product range, new market entries, and an expanding customer base.Our Growth TrajectoryWe're witnessing accelerated demand across various industries, especially in wealth management, financial services, and supply chain onboarding, extending our reach beyond the UK to customers in the Middle East, Asia, and Oceania.Why Now is the Perfect Time to Join UsThis position is not just another role; it’s a chance to influence the future of the due diligence sector with a market-leading product that organizations worldwide trust. Whether your expertise lies in marketing, communications, sales, or finance, your contributions will be vital in driving growth, enhancing credibility, and connecting our product with a swiftly changing market.As we scale rapidly, with an increasing number of customers and product releases, we face larger regulatory and market challenges. The expectation for real-time insights in due diligence is higher than ever. Your role will go beyond routine tasks; you will be shaping strategy, refining processes, and positioning a brand that is redefining trust and transparency.If you're passionate about learning, innovating, and making a meaningful impact, now is the time to join Xapien.The RoleWe are seeking a skilled Senior Backend Engineer to take on a pivotal technical leadership role within our engineering team. You will tackle our most complex technical challenges, take ownership of critical components within our platform’s architecture, and help guide our technical direction to ensure we continue to stay ahead in the industry.
We are seeking an experienced and passionate Senior Backend Engineer specializing in TypeScript to join our dynamic software engineering team at onrunning. In this pivotal role, you will lead the design and development of robust backend systems that power our innovative applications. You will collaborate closely with cross-functional teams to deliver high-quality solutions that meet the needs of our users. If you have a strong background in backend development, a love for building scalable systems, and a desire to drive technical excellence, we want to hear from you!
Full-time|Hybrid|Remote — London, England, United Kingdom
Join Our Vision! At Uncapped, we empower ambitious founders to scale their businesses through innovative financing solutions. We champion curiosity, continuous improvement, and impactful problem-solving.Technologies You Will Work With Core Technologies: Java 21, Spring Boot/Cloud 3.3Infrastructure: GCP, KubernetesDatabase Technologies: SQL/NoSQL (chosen per use case)Your Contributions Design and develop secure microservices tailored for financial systems.Take ownership of services throughout their lifecycle (design → deploy → monitor).Enhance code quality through automation and modern practices (CI/CD pipelines in under 15 minutes).Stay at the forefront of technology and share your insights with the team.Excel within a Kanban-driven team that values effective communication over meetings.Why Choose Uncapped?Be part of a fintech solution trusted by thousands of businesses.Contribute to a product that you can help shape and significantly impact.Supported by leading venture capitalists like LakeStar and SeedCamp.
Affinidi develops technology that helps people and organizations manage their data with greater control. The team designs digital identity tools that keep privacy and security at the forefront. Their work emphasizes decentralized approaches, aiming to make digital credentials both secure and accessible across industries and borders. Role overview The Senior Backend Engineer (Rust) position focuses on building and refining backend systems for privacy-first digital identity products. This London-based role plays a key part in supporting secure, reliable services that underpin Affinidi's core offerings. What you will do Develop and maintain backend services using Rust Create technical solutions that enhance efficiency and reliability Support the ongoing development of decentralized identity platforms Location London, England, United Kingdom
About XYZ RealityXYZ Reality is an innovative, award-winning Series-A startup on the cusp of our next funding round. Our goal is to enhance our platform by improving its features, performance, and scalability, all while transforming the construction industry.As a dynamic multi-disciplinary organization, we operate across various fields such as cloud development, data governance, data processing pipelines, electronics, embedded software/hardware, mechanical design/manufacturing, AI & computer vision, and data science, all contributing to the efficacy of our Building Information Modeling (BIM) Platform.To help propel our mission, we are in search of a Senior Data Engineer who possesses extensive experience in data modeling, database management, and data pipeline development. The ideal candidate will play a pivotal role in maintaining our existing tech stack and developing new features with an emphasis on performance and scalability. Collaboration with our API/backend development and data pipeline teams will be crucial to create robust and efficient solutions.
Role overview airapps is hiring a Backend Engineer for its London Metropolitan Area team. This role focuses on designing and building scalable server-side applications that support the company’s products and services. What you will do Work closely with colleagues across different functions to develop backend systems Contribute to the architecture and implementation of server-side features Help ensure backend solutions can scale and perform reliably Location This position is based in the London Metropolitan Area.
Transform the Future of Finance.At Light, we are revolutionizing the outdated ERP systems of the factory era with innovative software that feels dynamic and responsive. Our Smart Financial Platform empowers modern, global enterprises with automated accounting, instantaneous reporting, and financial processes that adapt to the pace of business.We're passionate about collaborating with our clients, delivering swiftly, and perfecting our craft. In a short span, Light has evolved from a concept to an essential operational tool for renowned companies such as Lovable, Legora, and Keyshot. Our users don’t just utilize Light—they genuinely enjoy the experience.As a pioneering team, we are establishing a new software category. We are looking for engineers who appreciate the intricacies of debits and credits, designers who prioritize reconciliation states, and operators who view finance as a product. If you are eager to modernize the financial landscape—one workflow at a time—you belong here.Supported by prestigious investors and guided by industry leaders, we are crafting products that define categories, allowing us to innovate boldly and take ownership of our results. Join us in our mission to make Light the global standard for next-generation financial solutions.Your Role as a Backend Engineer:Enhance our core Smart Financial Platform, enabling multinational corporations to streamline their accounting processes through AI and exceptional user experience.Maintain a strong focus on customer requirements while architecting robust and scalable technical solutions.Develop and optimize backend services, APIs, and infrastructure to support our high-performance frontend applications.
About XapienAt Xapien, we redefine the landscape of due diligence by empowering businesses with essential insights about their suppliers, investors, partners, and third parties. Our innovative approach integrates speed, scale, and precision through advanced AI technology.Since our inception in 2018, we have evolved from a deep-tech startup into a significant global player in AI-enhanced due diligence and risk intelligence. The year 2024 marked a pivotal moment for us, as we secured a $10 million Series A funding, achieved accolades in the Chartis RiskTech100® and Everest Group’s Leading 50™, and broadened our product offerings and market reach.Looking ahead to 2025, we are poised for even greater achievements. As organizations face mounting compliance demands and heightened reputational risks, they are increasingly seeking intelligent, efficient solutions—turning to Xapien for rapid, reliable insights that transform days of manual research into actionable intelligence in mere minutes.Our Growth JourneyWe are proud to serve customers across a multitude of industries, with notable expansion in wealth management, financial services, and supply chain onboarding. Our reach extends beyond the UK, with a growing clientele in the Middle East, Asia, and Oceania.Why Join Us Now?This role offers a unique opportunity to influence the future of the due diligence industry with a leading product that global organizations trust. Regardless of your background—be it marketing, communications, sales, or finance—you will play a vital role in driving growth, enhancing credibility, and connecting our product with an ever-evolving market landscape.As we scale rapidly, with increasing customer demand, product releases, and complex regulatory challenges, the stakes are higher than ever. Due diligence now demands instantaneous insights that are delivered effectively and impactfully. Your contributions will transcend traditional roles, as you will help shape strategies, refine processes, and elevate a brand that is setting new benchmarks for trust and transparency.For those passionate about learning, innovating, and making a significant impact, now is the perfect time to join Xapien.The PositionWe are in search of a Senior Backend Engineer to become a pivotal member of our engineering team, tackling some of our most complex technical challenges. You will be responsible for owning critical components of our platform’s architecture, driving innovation and quality in our backend systems.
Join Our Team!At Plum, we are revolutionizing how people save and invest. Our mission is to empower individuals to grow their wealth for life, whether they are saving for their first home or enjoying retirement. Since our inception in 2016, over 2 million users across 10 European countries have saved more than £2 billion with our innovative automation and AI technology. We've been recognized with awards from esteemed organizations like Deloitte and Finder, reflecting our commitment to excellence.We are a passionate team of over 200 Plumsters working collaboratively across Europe, and we are eager to welcome more talented individuals to help us achieve our vision.Your RoleAs a Senior Backend Engineer at Plum, you will play a crucial role in shaping our technology and product offerings. We seek engineers who are not only technically adept but also understand the importance of delivering outstanding products to our customers.
