Backend developer

Backend developer

Egmont

Join a team of superheroes! 👊  Teamtailor is an Employer Branding & ATS SaaS platform used by over 3.000 companies 🤩, 110.000 users🕺🏻 in 90 countries around the world 🌏 Working at Teamtailor means working at a young, international, and fast-pace tech startup with smart people who are passionate about their work. You can read more about our product at teamtailor.com or why not look at some live examples: Daniel Wellington, SOS Alarm, Eloomi (yes, everything you see there is our product and yes it's amazing). We value your personality and passion 🔥 For us, personality and passion come before education. You’ll always be supported and looked after by your Teamtailor family, but you will also have a lot of responsibility for your own work, meaning that working independently isn’t something you mind.  As a French-speaking Account Manager, you will be part of our international sales team in Stockholm which is currently made of 11 superstars coming from different paths of life/backgrounds and countries such as 🇫🇷 🇩🇪 🇵🇱 🇨🇲 🇮🇳 🇬🇧 🇱🇹 🇵🇭 🇵🇪 🇪🇸 🇹🇹 🇰🇷 🇸🇪. We believe in kindness, acceptance, support, and hard work. We also believe in having lots of fun 😜 As Account Manager at Teamtailor you will be offered: * Responsibility for your own sales process which means prospecting, cold calling, booking meeting, closing the deals and onboarding the client 💪🏼 * The opportunity to work with the market's best product ⭐️ * Fixed salary + a very generous commission structure (no caps!) 💰 * Development opportunities 💼 * Paid vacation days 🏖 * Yearly company trip to a secret summer destination 🌊 * Tons of events & parties 🎉 * Weekly competitions & awards🏆 * Friday Breakfast 🥗 * Starter Kit (Macbook, iPhone, Teamtailor bag, t-shirt, sweater & hoodie 🎁) * Cool and modern open floor office 🏡 PS. If we collectively reach our weekly goals we also get PIZZA FRIDAY 🍕 Requirements 🎯 You are definitely a match if you... * Are fluent both in French and English * Have previous experience in B2B sales (preferably towards HR but not a must) * Are a self-starter with a track record of successful, credible lead follow up and sales development at multiple executive levels within an organization;  * Can contact anyone and book a meeting over the phone or email * Have the will to push harder and always exceed * Can keep high activity and motivate yourself * Have a positive and a can-do attitude If this sounds like you then what are you waiting for !?

Backend Engineer

heycar

Since August 2019, we’ve been making it easier for customers to find the right vehicle, and for automotive retailers to sell them.  More recently, we’ve been on a journey… In June 2025 we were acquired by Volkswagen Financial Services UK (VWFS UK) and our mission is simple: build the right tech solutions for Volkswagen Group UK and its retailers, so they can deliver the best possible experiences to their customers.  We’re a mix of problem-solvers, innovators, and team players who care about doing great work and making a difference. We thrive on collaboration, innovation, and a shared commitment to excellence. We deliver impactful solutions at pace that put the customer at the centre.  If you're looking for a meaningful challenge, and want to help shape the future of automotive experiences, then read on…   About the role :  Join the team and play a pivotal role in building highly scalable and maintainable backend services. You'll have the opportunity to leverage and suggest the latest tools and techniques, collaborating closely with Product, Design, and Sales teams. We encourage sharing technical solutions and product ideas through code and design reviews, pair programming, and presentations, all while continuously improving our Agile processes.   What you’ll do: Our culture empowers our talented developers to develop using whichever tools we need to get the job done. To face the many challenges, including brilliant customer experience, data processing,  microservice architecture and more. * Hands on building highly scalable and maintainable backend services. * Use appropriate tools for development and being proactive in suggesting new tools, frameworks or techniques * Collaborate across functional teams including Product, Design and Sales * Share technical solutions and product ideas through code and design reviews, pair programming, and presentations * Highlight areas we can improve on as a team practising Agile processes   Our Tech Stack: We use the tools we need to get the job done. We primarily use the following tools and frameworks (some have been added in the past year, and more are planned): Python Django FastAPI AWS ElasticSearch Postgresql Kafka Github Kubernetes     What you’ll need: * Strong technical skills to build scalable backend services, primarily in Python (in any framework) * Analytical skills: a love for problem solving, and improving our working processes.  We are always learning * A good understanding of databases, OO design, data structures and SOLID principles * Strong desire to work collaboratively with both your peers and business teams * The ability to communicate technical concepts to other members of the team.   What we’ll give you: * Compensation: We offer a competitive salary + performance based bonus * Holidays: We want you to relax, you’ll have 28 days off (plus bank holidays) throughout the year. We also give you an extra day off to enjoy your birthday! * Benefits + Perks: With private medical insurance, learning and development opportunities and mental health support we’ll give you the extra boost. * Hybrid Working: We have a flexible working culture here at heycar. With hybrid working in our offices in Holborn (London) and working from home days. * Feedback: You'll be joining more than just another scale up - our team are at the heart of everything we do; here we don’t leave things unsaid, we encourage honest feedback. * A Challenge: Fast paced but not fraught. So we need you to keep up, push back and question where you see fit. * Fun: We provide a fully stocked kitchen and bar, an awesome office environment and epic socials.   If you’re ready to work with a creative, high-performing group of people we want to hear from you. Please apply directly to this role. Contact : Reece Jagger for more details.

Backend Engineer - API

xAI

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As an ideal candidate you have a good understanding of how highly scalable and reliable production infrastructure is built. Most of our backend infrastructure is written in Rust. So familiarity with a compiled language such as C++, Rust, or Go is highly beneficial. RESPONSIBILITIES: * Build the SpaceXAI API that serves our models to developers worldwide * Own the end-to-end system responsible for high-throughput inference, handling billions of tokens per minute with low latency and high availability, including model serving infrastructure, request routing, SDK development, rate limiting, observability, and efficient scaling BASIC QUALIFICATIONS: * Expert knowledge of either Rust or C++ * Experience in designing, implementing, and maintaining reliable and horizontally scalable distributed systems * Knowledge of service observability and reliability best practices * Experience in operating commonly used databases such as PostgreSQL, Clickhouse, and MongoDB PREFERRED SKILLS AND EXPERIENCE: * Experience with LLM inference engines and serving frameworks (e.g., SGLang, TensorRT, vLLM) * Experience designing or building with agent SDKs and agent orchestration frameworks * Experience with Docker, Kubernetes, and containerized applications * Expert knowledge of gRPC (unary, response streaming, bi-directional streaming, REST mapping) COMPENSATION AND BENEFITS: £107,000 - £262,000 GBP Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive healthcare and dental coverage, cash plan, income protection, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.