Backend Product Engineer

Greetings from Team Granola! If you haven't had the chance yet, we invite you to explore our innovative projects and discover why joining us could be your best decision.We are on the lookout for a dedicated Product Engineer specializing in Backend development. Your mission? To help us scale our systems and prepare Granola for an exciting journey to 100x more users.In this pivotal role, you will tackle scaling challenges head-on, create secure and resilient infrastructure, and develop sophisticated backend solutions that enable thrilling new features.Your key responsibilities will include:Driving the evolution and scalability of our backend systemsDesigning and implementing high-performance APIs and servicesBuilding infrastructure to support advanced AI functionalitiesEnhancing database performance and optimizing query efficiencyContinuously improving system reliability and observability with better monitoring and alerting mechanismsCollaborating across teams to ensure our infrastructure accommodates ongoing product innovationYour ideal background includes:Proven engineering experience in tech-driven and product-focused environmentsStrong command of TypeScript and Node.jsPractical experience with cloud infrastructure and infrastructure as code (we utilize AWS with Terraform)In-depth knowledge of relational databases (PostgreSQL is our choice)Familiarity with serverless architectures (we are fans of AWS Lambda!)Solid grasp of security best practices and performance optimization techniquesAs a person, you are:Primarily a builder with a passion for innovationEager to work in-person from our London office (most of the time)Thriving in a startup environment (either you've worked in one or have a strong interest in the zero-to-one phase)Valuing collaboration with kind, ambitious, and pragmatic colleaguesEnthusiastic about infrastructure for AI/ML

Become a Part of Our Talent Pool! Don’t see your dream job listed? No problem! The perfect opportunity may be just around the corner.If you are interested in a career with us but haven’t yet found the right position, we invite you to join our Talent Pool!This ensures that when a role that aligns with your skills and interests becomes available, our Talent Team can reach out to you directly! What is a Talent Pool & What Happens When I Apply? Our Talent Pool is designed to connect with exceptional individuals who aspire to join our team! Even if there are no immediate openings, we want to know you’re interested! As new roles open up, we will assess our Talent Pool and reach out if there is a suitable match! We also encourage you to keep checking our careers page to ensure you don’t miss your ideal job while we review applications!When joining the Talent Pool, please share a bit about the types of roles you’re interested in and any other information about your skills, experience, and career aspirations!

Speculative Application at Climate X Are you passionate about making a difference in the climate sector? At Climate X, we are continually seeking enthusiastic and skilled individuals to join our dynamic team. Even if we don’t have a specific job opening that matches your skills at the moment, we want to hear from you! If you envision yourself thriving in our innovative environment, please take a moment to fill out our application form below. Attach your CV and share what inspires you about Climate X, along with how you see yourself contributing to our mission. We are excited to explore potential opportunities with you! We look forward to receiving your application!

Explore Your Future Career with Unlikely AI!Are you passionate about joining a forward-thinking team but unable to find a suitable position that aligns with your expertise on our website? At Unlikely AI, we are continuously searching for remarkable talent and driven individuals who can contribute innovative ideas and fresh perspectives. If you are keen on making a significant impact and being part of our growth journey, we would love to connect with you. Let us keep you in mind for future opportunities as we expand.Unlikely AI is at the forefront of the deep tech sector, engineering a future where advanced automated systems empower humanity to thrive. Our mission is to develop transformative technologies that enhance the accuracy, reliability, and safety of Artificial Intelligence. Established in London by William Tunstall-Pedoe, who played an instrumental role in the creation of Alexa following the acquisition of his first startup by Amazon in 2012, we are committed to innovation.Visit our Company Principles to learn about our core values. We are particularly interested in extraordinary individuals willing to tackle some of the most challenging technical problems to create impactful solutions.Why Become Part of Our Team?Team Culture - Our team is composed of exceptional, intelligent, and collaborative individuals. We are ambitious, adapt quickly, and enjoy our work immensely.Our Vision - We have an ambitious vision for the future, aspiring towards Artificial General Intelligence (AGI). This presents a unique opportunity to work on the foundational aspects of AI. Unlike many organizations, we are not merely scaling existing models; instead, we are pioneering a novel neurosymbolic approach.Innovative Technology - You will engage with our state-of-the-art technology. Contributing to its advancement involves navigating exciting challenges, allowing our team to exercise creativity and explore groundbreaking ideas in a dynamic environment.Work Location:We are currently implementing a hybrid work model, featuring a small office conveniently located near Holborn tube station for those who prefer to work onsite. We also organize occasional team days to foster collaboration.

Become a part of our vibrant team at Wellington South! We are seeking enthusiastic individuals who are ready to contribute to our culture of excellence. This opportunity allows you to engage in a dynamic environment where your skills and creativity can flourish. While specific responsibilities and qualifications are yet to be defined, we encourage applicants who are eager to learn and grow with us.

Backend PHP Developer - £450 per day (6 Months+ / Remote Work Option / Outside IR35)Embark on an exciting greenfield project! We are looking for a skilled Backend PHP Developer to collaborate with a dynamic team in creating a cutting-edge customer account management solution. This solution will utilize open standards and be central to a transformative system in the transport industry. Joining our friendly, long-standing agency means you'll enjoy a flat organizational structure that values collaboration over hierarchy.Location:· London, Bristol, or Cornwall.· Full option for remote work.

Join V7 LabsAt V7 Labs, we're revolutionizing the AI landscape by creating platforms that empower individuals to achieve peak performance with unmatched efficiency. Our goal is to convert human expertise into reliable AI, streamlining complex processes to be quicker, smarter, and more precise. We are experiencing rapid growth, supported by top investors and AI visionaries, including the creators behind Transformers and Gemini.Your RoleAs a Product Engineer, you will contribute to V7 Go, a platform designed to equip legal, finance, insurance, and accounting sectors with a customizable no-code AI agent toolkit. This tool focuses on harnessing multi-modal data to produce verifiable outputs while ensuring transparency in AI logic for accuracy and compliance.V7 Go integrates the latest models, including GPT-5, Claude 4.1, and Gemini 2.5, ensuring optimal accuracy and performance. Check out the V7 Go keynote for more insights into our innovative solutions.Team Dynamics and ImpactYou will report directly to Chris, our Engineering Manager, and collaborate within the Go Engineering team.Working alongside a dedicated team of up to 7 professionals, you will take on significant responsibilities encompassing coding, testing, planning, and analysis.You will have the autonomy to establish your own objectives, strategies, and metrics, emphasizing impactful outcomes rather than mere task completion.We value proactive engineers who take ownership of their work, demonstrating initiative in problem-solving and collaboration.Your Day-to-Day ResponsibilitiesFacilitating the application of foundational models to scale multi-modal data.Enhancing our platform to effectively manage complex multi-tenant usage patterns.Developing a comprehensive suite of APIs to support both our internal systems and customer-facing products.Delivering production-ready updates multiple times daily, collaborating closely with Product and Design teams to address customer needs.Candidate ProfileExperience in functional programming is essential. Familiarity with Elixir is advantageous, but languages such as Scala, GoLang, Node.js, Haskell, Clojure, and F# are also welcomed.Strong problem-solving skills and a proactive attitude towards challenges.

As a Solution Innovation Specialist focusing on Product Innovation, you will play a pivotal role in driving innovative solutions that meet the evolving needs of our customers. Your expertise will guide product development, ensuring alignment with market trends and customer feedback.

Your Role at AccuRx as a Senior Product Engineer...Join us in creating innovative software solutions that empower GP practices, hospitals, and care homes across the UK. We're tackling one of the most significant challenges in healthcare communication at a national scale.Our current technology stack includes C# (.NET Core), Kubernetes, SQL, React, TypeScript, ES6, and Redux—though we embrace change and continuous learning. As a Senior Product Engineer, you will play a pivotal role in shaping how our technology evolves as our product and organization expand.Daily Responsibilities:Take ownership of developing and refining core product functionalities from inception to production, including ongoing enhancements.Participate in user research sessions with patients and healthcare professionals to gain deep insights into their needs before proposing solutions.Work closely with product managers and designers to guide product direction, design, and technical strategy.Design and implement complex features that deliver significant impact while ensuring speed, quality, and sustainable maintenance.Maintain ownership of the services you develop, ensuring reliability, performance, and continuous improvement in production environments.Drive technical product decisions as part of a collaborative, cross-functional product team.Serve as a hands-on senior individual contributor while providing mentorship to junior engineers on your team.Ideal Candidates Will Have:Demonstrated success as a Senior Backend Engineer or Senior Product Engineer.Experience with C# (.NET Core) is preferred, but candidates with Java experience who are eager to learn C# are also welcome!Experience in a user-centric business environment, preferably in healthcare or related sectors.

About the Role On is excited to announce the opening of our new tech hub in London, where we are actively seeking talented Backend Software Engineers proficient in TypeScript and Nest.js. You will join our Finance and Operations Technology department, playing a pivotal role in optimizing our integration with supply chain, warehouse, and commercial partners. Your contributions will significantly influence the future success of On. Please note that this position requires a hybrid work model, with two days per week in our Shoreditch office. Your Responsibilities Design, maintain, and operate cloud-native applications leveraging microservice architectures. Develop and manage streaming pipelines utilizing Kafka technology. Collaborate with your team to strategize and plan innovative projects that elevate On's technological capabilities. Contribute to shaping On’s engineering culture, fostering growth and success for the organization. Your Qualifications Minimum of 3 years of experience working with TypeScript in backend development. Expertise in building large-scale systems within a team environment. Demonstrated ability to develop, deploy, and sustain cloud-native applications. Strong collaborative skills to build effective relationships with engineers, product teams, and business stakeholders. Comfortable with a hybrid work model (working in the London office two days a week).

At Plain, we are revolutionizing customer support for the modern B2B landscape. Our aim is to develop the most rapid and powerful platform, enabling companies to transcend traditional reactive support and foster genuine customer relationships.Renowned companies such as Cursor, Raycast, and Granola trust Plain to consolidate their customer interactions, enhance team collaboration, and elevate their workflows through the integration of AI.The B2B customer support sector is experiencing a monumental transformation, with AI redefining customer engagement. Support is evolving from a siloed function to a collaborative effort across platforms like Slack, Discord, and other communication channels. The outdated methods of slow, manual, and fragmented processes are no longer viable.This position offers a hybrid work model, requiring 3 days a week in our London office.Key ResponsibilitiesWorking at Plain involves more than just managing tasks; it encompasses owning and addressing challenges comprehensively—from infrastructure decisions to feature design and user interface elements.In this role, you will:Influence Product Strategy: Contribute to the technical architecture and product roadmap, effectively balancing customer insights with long-term product sustainability.Deliver Features from Concept to Launch: Define, develop, and deploy product features that directly address customer needs. Teams include:Core Product Team: Manage all customer-facing channels (Slack, Discord, Email, etc.), core data models, and customer requests while balancing rapid execution with foundational integrity.Developer Infrastructure Team: Create the essential tools that empower every engineer at Plain to effectively deliver and maintain the product, with a focus on optimizing team speed and minimizing obstacles.Enhance Backend Architecture: Tackle some of our most intricate challenges, from data modeling to high-performance reporting, establishing standards for our development processes.Optimize Developer Experience: Ensure that Plain is not only user-friendly but also developer-friendly, from data pipelines to APIs.

About Us:Omaze is dedicated to transforming lives through charitable giving. By offering our community in the UK and Germany the opportunity to win luxurious homes and transformative prizes, we simultaneously raise much-needed funds for beloved causes.In just five years, our incredible Omaze Community has helped generate over £100 million for charities across the UK, supporting vital organizations such as Age UK, the RSPCA, the British Heart Foundation, and Great Ormond Street Hospital Charity.And this is just the beginning. At Omaze, we are cultivating a culture focused on growth and making a substantial global social impact.Why You'll Love Being Part of Omaze:Growth: Join one of the fastest-expanding companies worldwide.Impact: Collaborate with passionate individuals dedicated to making a positive difference.Innovation: Contribute to a groundbreaking mission that has never been attempted before.Culture: Experience a workplace where hard work, collective growth, and joy are celebrated. Role OverviewAs a Senior Backend Engineer at Omaze, you will leverage your expertise to develop cutting-edge social good platforms that enable nonprofits to amplify their impact. Your commitment to high-quality code and your ability to balance technical craftsmanship with customer value are paramount. You should showcase a diverse knowledge of technologies and their application in designing features or systems.Effective communication and organizational skills are critical as you will translate concepts and requirements into actionable deliverables. Collaborating with both technical and non-technical teams will be a regular part of your role, and you will continually aim to enhance your skills and those of your colleagues. Your belief in the value of diversity and inclusion will be central to your mentorship approach, fostering growth in others.This position allows you to take ownership of the technical quality, execution, and delivery of user stories. Key ResponsibilitiesUtilize your engineering expertise to collaborate with a dynamic engineering team in creating impactful social good platforms.Write and test code and infrastructure essential for application development.

About SequenceJoin Sequence and play a pivotal role in developing a revolutionary platform that facilitates seamless payment solutions for businesses. With over $1 billion in annual invoice processing and a trajectory of rapid growth, we are at the forefront of transforming financial operations.Our AI-powered revenue platform is designed specifically for modern finance teams, replacing outdated spreadsheets and cumbersome legacy systems with intuitive software that enhances performance and user satisfaction.Trusted by over 100 high-growth companies, including Cognition, incident.io, and MoonPay, we manage the entire revenue cycle, from quoting to billing and revenue recognition.Founded by a team of seasoned entrepreneurs, we achieved an impressive 10x ARR growth last year and recently secured a $20M Series A led by 645 Ventures, along with contributions from a16z and remarkable founders and CFOs from notable companies like Decagon, Klaviyo, and Wise.What’s it like to work at Sequence?We offer a small team environment with vast opportunities for impact and ownership. You will engage in meaningful work, gain direct access to customers, and develop alongside a rapidly growing company.If you’re ready to elevate your career at a fast-scaling company, we’re eager to connect with you.Your RoleWe are deeply committed to the quality of our product and are seeking passionate engineers who take end-to-end ownership—from conception to delivery and ensuring that our solutions meet customer needs.Here are some projects you may contribute to:Developing AI-Driven Approval Workflows. Create flexible, customizable approval chains that adapt to various business rules, enabling customers to define workflows in natural language.Creating an Intelligent Collections Agent. Design an automated agent that manages payment reminders and escalations through natural language instructions.Scaling Billing Infrastructure. Redesign our billing pipeline to handle significant increases in throughput while optimizing costs and storage strategies.As part of our lean team, you will have the opportunity to significantly influence our engineering practices and product direction.

Are you a talented individual ready to make a significant impact? At conduct, we are on a mission to transform enterprise IT, and we believe that exceptional talent like you can help us achieve our goals. Whether you are an innovative engineer, a skilled operator, an enterprise sales expert, or a creative designer, we are always eager to connect with remarkable candidates who share our vision.If our mission resonates with you and you believe that you have what it takes to contribute to our success, we invite you to reach out and explore the possibilities of joining our dynamic team.

About MetaviewMetaview is dedicated to eliminating toil in the workplace. We believe that toil hinders progress, much like friction impedes motion. Our innovative solution is found in Human-Computer Symbiosis.With the introduction of AI copilots, the way we work is set to transform:Encouraging a flow state while minimizing toil.Enhancing insight while reducing guesswork.Focusing on human-centricity rather than process-centricity.Metaview serves as the AI copilot for hiring processes.Founded in April 2018 by Siadhal and Shahriar, who left their roles at Uber and Palantir, respectively, to address their own challenges in product and team development. Today, we empower thousands of users at leading companies such as Quora, Robinhood, Brex, Elastic, and Replit.Our team is small, high-performing, and fast-paced, with a relentless focus on delivering exceptional work.

Join Attio in Revolutionizing CRM for the AI Era!At Attio, we are dedicated to transforming customer relationship management by creating the first AI-native CRM tailored for ambitious go-to-market teams. Our recent funding of $52M Series B, led by GV (Google Ventures) with contributions from Redpoint, Balderton, Point Nine, and 01A, enables us to tackle complex technical challenges and elevate industry standards.Your RoleAs a Senior Product Engineer on our dynamic Engineering team, you'll be at the forefront of innovation, addressing real-time infrastructure and architecting AI-native systems. Your contributions will ensure our users enjoy an effortless experience, all while maintaining our high standards for performance, reliability, and security.Key ResponsibilitiesUtilize your expertise in TypeScript, Node.js, and GCP to drive product advancements.Lead projects from inception to completion, resolving genuine customer challenges.Architect systems that support new features and optimize existing ones to meet scaling demands.Design intuitive REST API contracts for both internal and external users.Champion Attio’s Product & Engineering values within and beyond the organization.QualificationsProven experience in designing scalable, reliable, and secure backend systems.In-depth knowledge of modern Cloud Native architecture.Expertise in Node.js and TypeScript.A strong track record of ownership and successful product delivery.A proactive and self-driven approach to problem-solving, with a passion for innovation in distributed systems.Exceptional communication skills to convey technical concepts to diverse stakeholders.

Role overview Wise is looking for a Backend Engineer to join the Hold Team in London. The team builds and maintains backend systems that support important business functions. Collaboration with other groups ensures integrations stay smooth and systems remain dependable. What you will do Develop and maintain backend services that drive Wise’s core features Work alongside engineers, product managers, and other teams to deliver integrated solutions Support the efficiency and reliability of backend systems

At Rainmaking, we are driven by our mission to empower large corporations to harness the vast potential of the startup ecosystem. We firmly believe that true innovation emerges when the extensive resources and deep industry expertise of established enterprises are combined with the agile and entrepreneurial spirit of startups.We facilitate the integration of an entrepreneurial mindset within corporate cultures. Our training programs equip teams with hands-on entrepreneurial skills, enabling them to engage meaningfully with startups. Additionally, we collaborate with businesses to create digital products and launch new ventures in a startup manner. Our services encompass three main areas:Venture Strategy: Crafting investment and innovation theses that align with business objectives and identify strategic opportunities for building, acquiring, or partnering with startups.Venture Partnering / Co-venturing: Assisting large corporations in establishing value-driven partnerships with successful startups, leveraging our in-house accelerator, StartupBootcamp.Venture Building: When existing solutions are inadequate, we support corporates in creating new products by launching entirely new ventures on their behalf.Having partnered with over 100 Fortune 500 companies, Rainmaking has successfully delivered transformative outcomes through entrepreneurial initiatives, connecting startups and corporates to co-create and scale innovative businesses. Our portfolio includes the acceleration of more than 1,200 ventures, highlighted by the world's largest industry-focused accelerator program, Startupbootcamp.With 11 offices worldwide and a diverse team of over 150 professionals, including entrepreneurs, strategists, product specialists, and startup experts, Rainmaking is at the forefront of driving entrepreneurial change. Please note that we are not a Venture Capital fund and do not engage in investment activities.

Genomics England seeks a Principal Data Engineer based in London. This senior role centers on building and maintaining the data systems that power the company’s work in healthcare and genomics. The position involves designing and implementing solutions that turn genomic data into insights for better patient outcomes. Key responsibilities Design and develop infrastructure to manage large-scale genomic data projects. Collaborate with teams across Genomics England to identify data needs and deliver tailored solutions. Maintain data integrity and ensure accessibility throughout all systems. Influence and shape the company’s data engineering practices and standards. Requirements Significant experience in data engineering, preferably within complex or scientific settings. Proven ability to design, build, and optimize data systems. Comfort working alongside colleagues from a range of disciplines. Strong commitment to data quality and security.