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Experience Level
Experience
Qualifications
The ideal candidate should possess:
- Proficient expertise in Python programming language.
- Solid experience with containerization and orchestration tools such as Docker and Kubernetes.
- Basic knowledge of Rust and/or C++ is a plus.
- Strong problem-solving skills and the ability to work effectively under pressure.
- Excellent communication skills to share insights and collaborate with team members.
About the job
Join xAI as a Backend & Infrastructure Developer Experience Engineer, where you will enhance our internal developer tools to boost productivity across the organization. Your mission will be to build and optimize applications for debugging local environments, visualizing production data, and accelerating our CI pipelines. We are looking for a passionate and skilled engineer who thrives in a collaborative and innovative environment.
About xAI
At xAI, our mission is to develop cutting-edge AI systems that accurately interpret the universe and support humanity's quest for knowledge. We pride ourselves on our small, highly motivated team that values engineering excellence and curiosity. With a flat organizational structure, we empower our employees to take initiative and contribute directly to our goals. If you're someone who enjoys challenges and has a strong work ethic, we invite you to join us.
As a Senior Backend Developer specializing in Ruby on Rails, you will play a pivotal role in architecting, developing, and validating server-side logic for web applications. Your expertise will be essential in crafting efficient, reusable, and robust Ruby code, while optimizing systems for peak performance and scalability. You will work collaboratively withi…
Are you an experienced Laravel developer with a passion for crafting robust backend systems? If so, we would love to connect with you! Join the Trybe team as a Senior Backend Developer and play a pivotal role in our mission to deliver exceptional software solutions in the industry. About Trybe:Trybe is a forward-thinking startup dedicated to providing innovative cloud-based software to clients in the hotel, spa, and wellness sectors. Our goal is to transform both guest experiences and back-of-house operations. Founded in 2020, we are proud to partner with leading spa and leisure operators globally. We foster a high-performance, collaborative team culture, welcoming talented individuals who thrive in a dynamic startup environment as we continue to expand.Key Responsibilities:Develop and maintain the Trybe Laravel backend, which powers our entire platform.Create APIs for frontend engineers, facilitate integrations with partners, and manage data processing jobs.Write extensive tests using Pest to ensure top-quality code delivery.Collaborate closely with engineering and customer experience teams to implement innovative features that meet client needs.Contribute ideas throughout the product development cycle to enhance feature quality.Who We Are Looking For:A minimum of 5 years of commercial experience with Laravel.A strong passion for technology and problem-solving.Ability to write clean, maintainable, and thoroughly tested code.A self-motivated learner who thrives in a fast-paced environment.Excellent communication skills and a collaborative team player.Experience handling large datasets, as we process millions of bookings annually.Proficient in building efficient RESTful APIs.Bonus Skills:Familiarity with MongoDB and Eloquent.Experience using Elasticsearch for data aggregation and reporting.
We are seeking a passionate and skilled Backend Developer to join our dynamic team at Radius Telematics. This pivotal role is crucial to our continued growth and success in the vehicle telematics industry.As a Backend Developer with expertise in TypeScript and NodeJS, you will have the opportunity to contribute to the development and maintenance of our complex multi-environment SaaS product, which consists of over 70 Git repositories. You will work with a modern microservice backend deployed on AWS, utilizing technologies such as Docker and Terraform within our automated CI/CD pipelines.Telematics is a rapidly expanding sector for us, offering you the chance to enhance your skills and advance your career. We value teamwork and are looking for someone who can combine technical excellence with practical execution to navigate today’s challenges effectively. Our Agile work environment encourages ownership and a proactive approach to problem-solving.Your Responsibilities:Design, build, and maintain scalable, secure backend systems using NodeJS and TypeScript.Collaborate closely with cross-functional teams to achieve project goals.Proactively address critical challenges during high-pressure situations.What We Need From You:Proven experience as a Backend Developer with NodeJS and TypeScript.Strong critical thinking and problem-solving abilities.Experience working in an Agile environment and delivering features rapidly.Initiative: You identify what needs to be done and take action without waiting for direction.Resilience: Challenges energize you rather than deter you.Team-oriented: You effectively collaborate while taking responsibility for your individual contributions.What We Offer:Your contributions will be recognized with opportunities for career development and progression. You will also enjoy a competitive rewards and benefits package, including:Pension schemeLife insuranceEmployee fuel card schemeElectric vehicle schemeEmployee assistance programWellness and healthcare support via ‘Help@Hand’ by UnumCycle to work schemeComplimentary breakfast in the office
Join Capco as a Principal Backend Developer specializing in Java, where you will lead the design and implementation of innovative backend solutions. You will collaborate closely with cross-functional teams to deliver high-quality software that meets our clients' needs.
Role overview jobgether is looking for a Senior Backend Developer with strong Node.js skills to join its engineering team. This group creates digital financial products for clients worldwide. The position focuses on building and maintaining backend services that support these products. What you will do Design and develop secure, scalable backend systems using Node.js Shape the platform architecture and work to improve API performance Enhance infrastructure reliability and contribute to new product development Work with real-time systems, microservices, and distributed applications Collaborate remotely with engineers based in different regions Take ownership of assigned projects and maintain autonomy in your work Who will succeed Backend developers with a track record in solving complex technical challenges Those comfortable with high-availability systems and modern backend architectures Engineers motivated to make a difference in financial technology Location This is a remote role based in the UK.
Join xAI as a Backend & Infrastructure Developer Experience Engineer, where you will enhance our internal developer tools to boost productivity across the organization. Your mission will be to build and optimize applications for debugging local environments, visualizing production data, and accelerating our CI pipelines. We are looking for a passionate and skilled engineer who thrives in a collaborative and innovative environment.
Full-time|£100K/yr - £110K/yr|Remote|Remote — United Kingdom
blacktreegaming has been part of the PC gaming scene since 2001 and runs the world’s largest video game modding platform. With more than 71 million registered members and over 800,000 mods for 4,000+ games, the platform has seen 21 billion mod downloads. The team is committed to modernizing products and building infrastructure to support community-driven modding for years to come. Role overview The Director of Backend Development shapes the technical direction and architecture for Nexus Mods, leading the engineering team behind a platform that serves millions of gamers and handles billions of downloads. This role combines strategic planning with hands-on involvement, setting backend vision, defining engineering standards, and supporting an agile, collaborative environment. The director also oversees the data and installation pipelines for the Nexus Mods Desktop App. This position reports directly to the Technical Director. Location and compensation Remote within the United Kingdom Salary: £100,000 - £110,000 Please note: blacktreegaming cannot sponsor international visas at this time. What you will do Technical strategy and architecture Oversee backend architecture, including APIs, data models, pipelines, and service boundaries Champion a backend-first approach and keep client applications lightweight Advocate for a monolith-first architecture, introducing services only as scaling needs arise Set standards for API design, testing, observability, and developer experience Guide decisions on metadata, mod manifests, dependency modeling, and installation reliability for the Desktop App Leadership and team development Lead and mentor backend engineers across Ruby/Rails, PHP, and platform services pods Clarify standards, expectations, and architectural guidelines Develop team skills through coaching and technical guidance Promote ownership, collaboration, and psychological safety Encourage simplicity, problem-first thinking, thorough documentation, and quality Delivery and execution Ensure backend teams deliver value each week with reliable execution Remove blockers quickly and favor action over indecision Manage dependencies across teams and escalate issues as needed Balance immediate delivery with long-term platform health Platform stability and scale Take responsibility for uptime, performance, and resilience of critical systems
At Zaizi, we are on the lookout for a highly skilled Senior Backend Software Developer who possesses exceptional technical expertise and a genuine enthusiasm for enhancing user experience and outcomes. In this role, you will take ownership of your deliverables while also collaborating with a multidisciplinary team to foster innovation and share creative ideas.Our work environment is inclusive, modern, friendly, and democratic, where we value bright, positive-thinking individuals with a proactive mindset. If you thrive on challenges and aspire to excel in your field, you will find a perfect fit with our team!
Join our dynamic team as a Senior/Lead Backend Magento Developer at our innovative web development agency located in the vibrant area of SW London. We're proud to collaborate with exciting clients on diverse projects.As we continue to thrive and expand, we are seeking a skilled and passionate Backend Magento Developer to enhance our talented team.Our experienced Magento development team specializes in all facets of e-commerce solutions, including new builds, extension creation, ongoing support, maintenance, and research & development.About the RoleThis diverse and engaging role is perfect for an enthusiastic individual who possesses strong initiative and a desire to learn. Responsibilities include:Collaborating with frontend developers, project managers, and digital marketing teams to realize a client's vision.Developing high-quality, standards-compliant modules for Magento CE and EE 1.x and 2.x.Architecting solutions and resolving complex issues effectively.Utilizing cutting-edge techniques to deliver aesthetically pleasing, responsive, and feature-rich e-commerce platforms.
Role Overview anyone-ai is looking for a Backend Developer - AI Trainer based in the United Kingdom. This position centers on building and refining backend systems that help train and improve AI models for real-world use. The work supports a range of projects where artificial intelligence plays a central role. What You Will Do Develop and maintain backend components that enable AI system training and deployment. Collaborate with teams from different disciplines to deliver backend solutions for ongoing projects. Support efforts to optimize AI performance across a variety of applications. Collaboration This role involves close coordination with colleagues from multiple areas to ensure backend systems integrate smoothly with AI initiatives.
Join Zaizi as a Senior Backend Software Developer, where you'll leverage your robust technical expertise while enhancing user experiences and outcomes. You will be a dependable contributor to your projects and an innovative thinker within our collaborative multidisciplinary team.At Zaizi, we foster an inclusive, modern, and friendly work culture that values fresh ideas and a proactive mindset. If you are passionate about pushing your limits and excelling in your role, you'll thrive in our environment!
Join our dynamic team as a Mid-Level PHP Backend Developer!Are you an innovative PHP developer with over 2 years of experience looking for a new challenge? If so, we have an exciting opportunity for you in Braintree!Our client is a forward-thinking company at a pivotal stage of growth, offering a vibrant and enjoyable work environment. You will be part of a small, friendly development team that emphasizes collaboration and creativity.As a mid-weight PHP Backend Developer, you will be responsible for crafting efficient and maintainable code, architecting backend systems, and contributing to the overall success of our projects. We seek a passionate individual who thrives on experimentation and is eager to share their ideas.Key responsibilities include developing and maintaining backend systems, enhancing existing functionalities, and collaborating with team members to achieve common goals. If you take pride in your work and are excited to evolve with the product, we want to hear from you!
xai seeks a Backend Engineer in London, UK to focus on API development. This role involves designing and building APIs that form the backbone of the company’s products and services. Key responsibilities Design and implement APIs to support xai’s solutions Collaborate with frontend developers and product managers to ensure seamless feature integration Optimize API performance and maintain reliability This position offers the chance to work closely with both technical and product teams, shaping the way xai’s services communicate and perform.
Full-time|£75K/yr - £140K/yr|Hybrid|London, England, United Kingdom
Corgi is an AI-driven insurance company designed for tech startups. With $108 million in funding and a licensed carrier status, Corgi is expanding into the UK and EU. The core platform runs on Django, integrates Stripe for payments, and uses AI for underwriting. Role overview The team is hiring a Backend Developer in London. This is a hands-on position for someone who enjoys building and launching products quickly. Developers who have taken projects from concept to live deployment, whether as side projects, weekend builds, or products used by real users, will feel at home here. What matters here Experience independently building and launching real-world projects Ability to deliver results in hours or days, not weeks Comfort working across the stack and adapting to new problems Openness to better ideas, even with strong technical opinions Low-ego, outcome-focused mindset Drive and energy for a rapid startup pace How the team works Decisions are made quickly, without waiting for perfection New products and improvements ship regularly, not just quarterly Ship-and-iterate approach instead of lengthy reviews High intensity expected during both launches and quieter periods Transparency is standard; decisions are made openly Internal competition pushes everyone to improve This role is for builders who want to contribute actively. Behaviors that don’t fit Office politics, avoiding responsibility, or gossip Taking feedback personally instead of using it to improve Complicating processes instead of simplifying them Missing commitments or not following through promptly How to apply Send links to your GitHub, personal website, or live projects you have launched CVs are not required Email applications to: sergio@corgi.com If you cannot show shipped work, this may not be the right fit Location and compensation Role based in London; on-site or hybrid options available Salary: £75,000 to £140,000 plus equity Compensation reflects proven shipping ability, not job titles
Join Updraft: Transforming Financial Futures!At Updraft, an award-winning fintech company authorized by the FCA, we are on a mission to revolutionize how individuals perceive and manage their finances. Our innovative platform automates everyday financial decisions, making it easier for users to handle credit cards, overdrafts, and loans. Experience a comprehensive spending overview across all financial accounts with Open Banking technology. Access a complimentary credit report with personalized tips to enhance your credit score. Leverage AI-driven financial planning tailored to help users manage expenses, eliminate debts, and boost credit ratings. Utilize intelligent lending solutions designed to lower the cost of credit. With over 800,000 users and a remarkable reputation within the UK fintech landscape, Updraft has helped individuals convert approximately £500 million in high-cost credit card debt into more manageable options, paving the way for better financial health. Rated 4.8 on Trustpilot, 4.8 on the Play Store, and 4.4 on the iOS Store by our satisfied customers. Recognized as a participant in the Technation Future Fifty 2025, a prestigious program that supports innovative startups on their journey to IPO. Featured in the Sifted 100 UK startups list for two consecutive years (2024 and 2025). We are seeking talented professionals to join us in our next growth phase, offering a unique opportunity to make a measurable impact. Expect a hybrid work culture that fosters collaboration across functional teams, generous learning budgets, wellness benefits, and the freedom to innovate and directly influence our customers' financial journeys.Become part of our commitment to building a fairer credit system!
Join a Pioneering CompanyAt Palantir, we develop cutting-edge software that revolutionizes data-driven decision-making and operations. Our platforms empower partners to create life-saving medications, foresee supply chain challenges, locate missing individuals, and much more by connecting the right data with the right people.Role OverviewAs a Backend Software Engineer at Palantir, you will engineer scalable software that reshapes how organizations leverage data. You will actively participate throughout the product lifecycle—from ideation and design to prototyping and delivering production-ready solutions. Collaborating closely with both technical and non-technical team members, you’ll identify customers' challenges and create products that effectively address them. We promote cross-team interactions to foster the sharing of skills, context, and experiences, enabling you to gain insights into various technologies and product facets. Our engineers operate independently, making impactful decisions within a supportive community that encourages growth and development into strong technical contributors and engineering leaders.Your daily responsibilities will be dynamic, adapting to user needs and technical hurdles. One day, you might partner with other engineers to design a groundbreaking system that facilitates a new workflow; the next day, you could focus on optimizing performance for low-latency operational results.Our Product Development teams consist of small, agile groups of Software Engineers, each dedicated to specific product facets. These teams collaborate to build cross-functional capabilities, enhance user workflows, and consistently improve our software’s efficiency and reliability.We are seeking engineers who are enthusiastic about tackling real-world challenges and empowering both developers and end-users to maximize their potential. If you are driven to create reliable, high-performance, and scalable systems and to design robust APIs and primitives, this role presents a unique opportunity to significantly impact our products and the communities that utilize them.Unique Opportunity: Frontline ProgramFoundry Software Engineers may be selected for the Frontline Program, a distinct opportunity to engage directly with customers. In this short-term assignment, you will work alongside users to gain invaluable insights into product application and the challenges they encounter. Unlike standard engineering roles, Frontline involves tackling complex, ambiguous problems, empowering you to deliver impactful solutions across critical industries and institutions.
Join Capco as a Backend Developer specializing in Java, where you'll play a crucial role in developing and maintaining scalable backend solutions for our diverse clientele. You will be part of a dynamic team that values innovation, collaboration, and continuous improvement.
PHP Backend Developer – Exciting Opportunity at a Growing FirmAre you seeking a new challenge within a dynamic and expanding company that promises a rewarding career path in a fun and collaborative environment? If so, this opportunity could be ideal for you.Our client, located in the Braintree area, is offering a remarkable chance to become a part of their innovative development phase. If you desire a supportive work culture and a place to grow your career, this role offers tremendous potential for the right candidate.We are looking for a confident and capable Back-End PHP Developer who is passionate about producing high-quality code and achieving meaningful goals. If you thrive on creating effective architecture and take pride in owning your projects, you will find this role incredibly fulfilling as you contribute to the product's evolution.We want someone who is not just a PHP developer but a dedicated individual who takes pride in their craft. You may be a human on the outside, but inside, you should be a master of PHP and all its components.
Join our dynamic team at Capco as a Senior Backend Engineer specializing in Java. In this role, you will leverage your expertise to design and implement robust backend systems, ensuring high performance and responsiveness to requests from the front end. You will work collaboratively with cross-functional teams to deliver innovative solutions that meet our clients' needs.
About RemoteAt Remote, we are revolutionizing how organizations manage global employment with compliance and ease. Our platform empowers businesses of all sizes to recruit, compensate, and oversee international teams seamlessly. Driven by our core values and a forward-thinking work culture, our team collaborates on ambitious challenges asynchronously from across the globe. Our employees, known as Remoters, operate from six continents, with our positions being fully remote.With innovation at the core of our mission, we have integrated automation and AI capabilities into the requirements for every role.We encourage every member of the Remote team to contribute their unique talents, experiences, and cultures to help us build a top-tier HR platform. If you are an energetic, curious, motivated, and ambitious individual, join us and shape the future of work! Apply now!The PositionYou will become a vital part of a team of engineers specializing in Frontend, Backend, SRE, and QA, organized into cross-functional development teams focused on specific verticals.This role is available in multiple teams, and we will determine the exact team you will join during the interview process based on business needs and your preferences.Regardless of the team, your work will involve developing tools, APIs, and integrations for one of our products.Our backend utilizes Elixir and Phoenix, with a PostgreSQL database, while our frontend employs React and Next.js. We use GitLab for version control and CI/CD solutions. Our applications are hosted on AWS, and we leverage continuous integration for deployments, executing multiple deployments daily. For further insight, feel free to explore our Engineering Rulebook.What This Job Offers YouEngaging and meaningful challenges that will empower individuals and organizations to thrive in any country worldwide.The chance to make a substantial impact on our business during this exciting phase of growth, where your contributions will significantly influence our trajectory.A highly collaborative and inclusive work environment that values diverse perspectives and experiences.
