Backend Software Engineer - Applications

At Exa, we are pioneering a search engine from the ground up to support every AI application. Our team is dedicated to constructing a robust infrastructure capable of crawling the web, training cutting-edge embedding models for indexing, and developing highly efficient vector databases in Rust for rapid searching. We proudly operate a $5M H200 GPU cluster that powers tens of thousands of machines, ensuring optimal performance.As a Backend Software Engineer, you will be instrumental in shaping our backend systems. We value flexibility and allow team members to choose projects that align with their skills and interests.

About Us:DeepJudge stands at the forefront of AI and ICT innovation in Switzerland, revolutionizing the way law firms and legal departments access and utilize their knowledge. Founded by ex-Google search engineers holding PhDs in AI from ETH Zurich and supported by elite Silicon Valley investors, we are crafting the intelligence infrastructure that empowers the legal sector.While every firm can license our advanced AI models, each possesses unique institutional knowledge. Years of expertise, work products, and precedents often remain siloed across systems, underutilized and hard to access. DeepJudge transforms this challenge, making expertise immediately available via premier enterprise search and AI infrastructure, allowing organizations to automate processes, create knowledge-enhanced applications, and leverage experience as a sustainable competitive advantage.Our technology is trusted by some of the world’s most prestigious law firms, such as Freshfields, Gunderson Dettmer, Holland & Knight, Arent Fox, and Cozen O’Connor. With our headquarters in Switzerland and an expanding team across North America, we are rapidly growing and redefining how professional knowledge is discovered and utilized.At DeepJudge, we prioritize speed, intellectual rigor, and a deep commitment to our creations. By combining groundbreaking research with close collaboration with our clients, we deliver impactful solutions. If you aspire to be part of a team that is shaping the way AI transforms high-stakes knowledge work, look no further.About the Role:We are on the lookout for a Backend Software Engineer to join our dynamic team and take significant ownership from the outset. You will collaborate closely with talented, motivated, and enjoyable colleagues who are enthusiastic about addressing the intricate challenges of building a high-performance product at scale.Our indexing system forms the backbone of our search engine, efficiently processing queries across hundreds of millions of documents in mere fractions of a second. Developing and maintaining these indices under stringent time and resource constraints necessitates the implementation of highly efficient, scalable software. To meet demanding throughput and latency standards, we employ modern technologies in distributed and parallel computing, database systems, and cloud platforms.

Transform the Future of TravelBe part of GetYourGuide’s mission to link people with unforgettable travel adventures worldwide. Millions turn to us for trustworthy and unique activities, all driven by our dedication to making every journey exceptional – including yours. Ready to explore your potential with a community of fellow adventurers? Discover your next opportunity at our Zurich office or at one of our global locations, from New York to Bangkok. Visit getyourguide.careers to embark on your journey.Team MissionThe Checkout team is at the forefront of enhancing the checkout experience on our website and applications. Our goal is to create a seamless, secure, and rapid journey from activity selection to payment, enabling travelers to effortlessly book and maximize value through a frictionless checkout process. We are invigorating our tech stack with a focus on high-quality, AI-driven development and scalability.Your RoleDesign and implement secure, scalable systems that enhance the checkout process and login experience, primarily focusing on backend development while engaging in frontend tasks as necessary.Work closely with stakeholders to identify customer needs, propose technical solutions, and deliver functional software that addresses customer challenges and drives measurable outcomes.Contribute to the evolution of AI-driven development within the team, establishing best practices that bolster quality and productivity.Regularly enhance our systems by systematically eliminating technical debt and crafting straightforward, scalable, and maintainable solutions.Engage actively in operational tasks, optimizing the management of our services.Collaborate within a cross-functional mission team alongside product managers, designers, and data analysts.Mentor fellow engineers, enrich team culture, and support peers in achieving their best work through constructive feedback and knowledge sharing.

Transform the Travel ExperienceEmbark on an exciting journey with GetYourGuide, where we connect travelers with unforgettable experiences worldwide. Millions trust us for unique activities, and our commitment is to make every journey exceptional, including yours. Are you ready to unlock your potential in a community of fellow adventurers? Join us at our Zurich office or one of our global locations, from New York to Bangkok. Visit getyourguide.careers to take your first step.Team MissionThe Revenue Platform team is pivotal in transforming GetYourGuide bookings into precise, auditable financial results. We manage the entire booking lifecycle, ensuring it converts into accounting-ready financial data while maintaining the integrity of financial and payout systems. Our goal is to empower internal and customer-facing teams to launch and operate top-tier experiences for our travelers effectively.We thrive on ensuring suppliers are paid accurately and promptly, and Finance and Accounting can rely on our data. This is achieved through clear contracts, reliable platforms, and trustworthy information across sensitive financial domains.Our engineers operate with high autonomy, developing deep domain knowledge and driving innovative solutions while balancing strategic and pragmatic considerations. Collaboration is at the heart of our success.Your RoleProvide technical leadership across the revenue domain while remaining hands-on to deliver essential capabilities for other teams.Lead initiatives to enhance correctness, auditability, and scalability for over EUR 1B in revenue, where minor modifications can have significant impacts.Direct the technical architecture and standards for domain-level financial primitives, ensuring alignment with partner teams.Design and operate backend services that convert the booking lifecycle into accounting-ready financial data, managing over 300 million financial events annually.Deliver and maintain critical financial tools and integrations, including partner tax information validation, FX rates, and robust audit trails for financially impactful changes.Balance the delivery of new features with maintaining existing systems, ensuring high availability and performance.

airapps is looking for a Backend Engineer to help build and maintain the backend systems behind our software platform. This position is based in Zurich and focuses on creating reliable solutions that support our products and services. Role overview This role centers on designing, developing, and improving backend components. The work directly supports the platform’s performance and reliability, ensuring users have a strong experience with our services. What you will do Develop and maintain backend systems that drive core features of the platform Work with the team to deliver solutions that enhance our services Contribute to projects that have a direct impact on users Who we’re looking for Interest in backend engineering and technology Motivation to work on projects that improve user experience Desire to collaborate and contribute to the team’s goals

airapps is looking for a Backend DevOps Engineer to help improve how software moves from development to production. This position is based in Zurich and focuses on building and maintaining the systems that support our backend infrastructure. Role overview This role centers on making development and deployment processes more efficient. The Backend DevOps Engineer will work with colleagues from various teams to design, develop, and implement solutions that support a reliable and effective software delivery lifecycle. What you will do Streamline development workflows to reduce friction and manual steps Enhance deployment pipelines for faster, safer releases Monitor and optimize backend system performance Collaborate with cross-functional teams to deliver improvements Location This position is based in Zurich.

Transform the Travel Experience Worldwide Embark on an exciting journey with GetYourGuide, where we connect travelers to remarkable experiences across the globe. Millions of users rely on us for trustworthy and unique activities, all driven by our dedication to making every journey exceptional—including yours. Are you ready to explore your potential within a community of fellow adventurers? Discover your next opportunity at our Zurich office or any of our offices worldwide, from New York to Bangkok. Visit getyourguide.careers to take your first step. Team Mission At GetYourGuide, our engineers tackle significant challenges: developing systems that connect millions of travelers with unforgettable experiences. Our teams learn rapidly, take ownership, iterate, and deliver at scale. With AI revolutionizing product development and the future of travel, this is an exceptional opportunity for the right engineer to engage in thrilling early-career work. Your Mission Under mentorship, you'll develop clean code that reaches millions of travelers. Collaborate with senior engineers to design and create reliable, scalable systems, contributing your own ideas. Own features from problem identification and solution design through to deployment, monitoring, and iteration. Utilize AI tools intelligently in your daily tasks. Contribute to AI-driven product experiences that redefine how travelers discover, book, and enjoy their journeys. Participate in code reviews, enhance our codebase, and elevate the quality standards across your team. Work closely with product and design teams to grasp the traveler challenges you're addressing, beyond just the task at hand.

Become a part of blp – The Leading Solution for ERP AutomationAt blp, we're a pioneering ETH and HSG spin-off that is revolutionizing ERP automation through the power of AI. We tackle significant enterprise challenges using state-of-the-art technology, fostering a culture of ownership and accountability. Our solution is actively deployed in over 40 countries, serving more than 20,000 daily users and automating over 70,000 processes each day.Our AI-driven ERP automation is reshaping the landscape of finance, procurement, logistics, sales, and beyond. As one of the fastest-growing SaaS scale-ups in Switzerland, we proudly maintain a self-financed, fully employee-owned structure.Our achievements are rooted in our profound understanding of technology and business processes, allowing us to deliver an exceptional product that meets market needs, validated by our expanding customer base which includes Fortune 500 companies.Recognized with the LinkedIn Top Startup Award, our rapid growth and abundant career opportunities signal that we are just getting started. Our headquarters are located on Zurich’s iconic Bahnhofstrasse, a perfect setting for a company that is redefining business operations.Are you prepared to shape the future? Join blp today.The TeamAt blp, we develop innovative products for automated document processing. Each product, such as invoices, customer orders, and order confirmations, is managed by dedicated engineering teams that fully own their respective products. This means we grasp the business challenges our products address and have control over the product development roadmap.We cultivate an environment of end-to-end ownership, aiming for a direct impact by solving real-world problems. Internally, we emphasize ownership and collaboration in how we work together and how we grow, both individually and as a team.Your RoleDrive Impact: Partner with business stakeholders to understand requirements and translate them into actionable product improvements.Build Exceptional Software: Design and develop clean, maintainable, and high-quality software while conducting code reviews that promote a culture of technical excellence.Shape Architecture: Collaborate on system design, technology stack decisions, and optimizations focused on scalability, performance, and maintainability.Lead and Influence: Guide the technical direction of significant initiatives, influence product evolution, and mentor fellow team members.Promote Innovation and Collaboration: Work closely with colleagues to constantly enhance processes, tools, and team practices while fostering a culture of learning and growth.

Skydio stands at the forefront of the drone industry as a premier US-based company and a global leader in autonomous flight technology, pivotal for the future of drones and aerial mobility. Our team merges profound expertise in artificial intelligence with top-tier hardware and software development, operational excellence, and a customer-centric approach to empower a diverse array of drone users—from utility inspectors and first responders to soldiers in tactical environments and beyond.About the Role:We are seeking a talented Software Engineer to enhance the core of the Skydio Simulator—a high-fidelity, real-time digital twin of the physical world utilized daily by both customers and Skydio’s autonomy engineers.In this pivotal role, you will delve into the simulator stack, spanning physics and sensor simulation, hardware emulation, and the architecture that drives our complete autonomy software in simulation. You will play a crucial role in defining the behavior of simulated environments, how vehicles perceive and interact with them, and ensuring that simulations closely reflect reality.This systems-focused position emphasizes correctness, performance, and realism. While prior robotics experience is not mandatory, an inquisitive mindset regarding physical systems and a keen interest in autonomous robotics are essential.Areas of Responsibility:Core Simulator Architecture: Design, develop, and enhance the foundational architecture of the Skydio Simulator, ensuring scalability across various vehicle types, environments, and applications.Physics and Dynamics: Refine and expand physics models that dictate vehicle motion, environmental interactions, and dynamic agents.Sensor and Hardware Simulation: Create high-fidelity simulations of cameras, IMUs, and other onboard components, incorporating timing, noise characteristics, and hardware behavior.Autonomy Stack Integration: Execute and validate the complete Skydio autonomy stack in simulation, ensuring alignment between simulated and real-world behaviors.Feature Development on Top of the Core: Implement simulator functionalities that facilitate new workflows for customers and internal autonomy engineers, from training scenarios to advanced testing modes.Performance and Fidelity: Profile, optimize, and enhance simulator performance while consistently striving for greater realism and accuracy.What You’ll Do:Develop core simulator components using C++ and Python...

Gravis Robotics offers a Software Engineer Internship in Zurich, designed for those interested in hands-on experience in robotics software development. Interns become part of an engineering team that designs, builds, and refines software for robotic systems. Role overview This internship centers on practical work within the robotics sector. Interns contribute to ongoing projects that aim to support and improve robotic technologies. Collaboration with experienced engineers is a key part of the role, with opportunities to tackle real software challenges. What you will do Help advance projects that enhance robotic technologies Work closely with seasoned engineers on software tasks Take part in the entire development process, from initial design to implementation

Join our dynamic team at anza-xyz as a Software Engineer specializing in Security. In this fully remote position, you will play a crucial role in developing and enhancing security features for our software products. You will collaborate with a passionate group of engineers and security experts to ensure our systems are resilient and secure.

About UsPerk (formerly TravelPerk) is a cutting-edge platform dedicated to revolutionizing travel and spend management. Our innovative solutions are designed to eliminate the tedious, manual tasks that hinder productivity, automating everything from travel bookings to expense management and invoice processing. Our mission is to empower companies to focus on real work, driving genuine impact and enhancing employee morale.Trusted by over 10,000 companies globally, including industry leaders like Wise, On Running, Breitling, and Fabletics, we are addressing the staggering 7 hours of lost productivity experienced by every employee weekly, a challenge contributing to a $1.7 trillion issue.Founded in 2015, Perk has rapidly expanded to a vibrant team of more than 1,800 professionals across 12 offices worldwide, with our headquarters situated in London and Boston. We seamlessly blend innovation, control, and simplicity to transform the workplace experience.At Perk, we adhere to core values such as ownership, delivering a 7-star experience, and fostering a cohesive team environment. We prioritize curiosity, purpose, and mindset, valuing potential above mere knowledge. Our talent team comprises top minds from the travel and SaaS sectors, representing over 70 nationalities. If you are eager to make a significant impact and redefine how millions experience work, we want you on our team.For more information, visit www.perk.com.Are you an experienced Senior Software Engineer?We seek intelligent individuals, not just stack experts, who can introduce the best tools and processes to accomplish tasks effectively.In this role, you will collaborate daily with our product team to design, architect, and implement our product, a next-generation platform that simplifies the challenges of booking and managing business travel.

Join GetYourGuide as an Associate Software Engineer and be part of a dynamic team that is reshaping the travel experience. You will work with innovative technologies to develop and enhance our platform, contributing to projects that impact millions of travelers worldwide.

Join Avaloq, a leader in the fintech industry, as an AI Software Engineer. In this pivotal role, you will leverage cutting-edge technologies to develop innovative AI solutions that drive our business forward. Collaborate with a talented team of engineers and data scientists to create robust, scalable applications that enhance user experience and operational efficiency.

Role overview Speechify seeks a Senior Software Engineer for the core experiences team in Zurich, Switzerland. The position focuses on developing and enhancing features that shape user interaction with the platform. Work in this role has a direct effect on how users engage with and enjoy Speechify. What you will do Design and build new features to improve user experience Collaborate with colleagues across different specialties to define and deliver meaningful solutions Address complex technical problems as part of a team Requirements Proven experience in software development, with a focus on creating products that users appreciate Comfortable adapting to shifting priorities Strong problem-solving skills and a practical approach to technical challenges This role is located in Zurich, Switzerland.

About Pinterest:Join millions around the globe who turn to our platform for creative inspiration, fresh ideas, and the planning of unforgettable memories. At Pinterest, our mission is to empower everyone to discover inspiration that leads to a fulfilling life, starting with our incredible team behind the product.Explore a career where you can spark innovation for millions, turn your passions into growth opportunities, and celebrate each other’s unique experiences while embracing flexibility to excel in your work. Crafting a career you love is within reach.Pinterest serves over 500 million users worldwide, processing billions of requests daily. Our Cloud Platform team is responsible for the fundamental infrastructure technology that supports Pinterest's entire ecosystem. We are developing PinCompute, a next-generation Kubernetes-based platform designed to manage all of Pinterest’s workloads and services, representing a significant transformation in our deployment and operational practices at scale.We are seeking an exceptional Staff Software Engineer to spearhead the technical strategy and execution of our cloud infrastructure initiatives. You will influence how our engineers build and deploy services, driving innovation in areas such as container orchestration, service mesh, developer experience, and cloud-native architectures at internet scale.

Role overview Avaloq is looking for a Software Engineer / IT Business Analyst in Zurich. This position combines hands-on software development with business process analysis. The goal: create and improve software that helps clients work more efficiently. What you will do Develop and optimize software applications tailored to client needs Analyze business processes to identify areas for improvement Work closely with colleagues from different teams to design and implement solutions

Flexion Robotics creates the intelligence layer for next-generation humanoid robots, drawing on deep expertise in robot reinforcement learning. Founded by scientists from organizations like Nvidia and ETH Zürich, the team has rapidly advanced from early development to deploying real humanoid capabilities. The company is backed by international venture capital and operates from Zürich. Role overview The Simulation Software Engineer will take full responsibility for the simulation stack that drives robot learning at Flexion Robotics. Simulation is central to the company’s approach for scaling intelligence, and this position shapes both the fidelity and efficiency of the simulation platform. The work directly influences how robots learn and perform in real environments. Main responsibilities Simulation stack ownership: Design, develop, and maintain the core simulation infrastructure for robot learning. Oversee its architecture, reliability, and ongoing evolution to meet team needs. Simulation fidelity: Build and refine models for contacts, actuators, deformables, and sensors. Work to reduce the sim-to-real gap, improve physical realism, and validate simulations using real-world data. Training throughput optimization: Enhance the simulation stack for large-scale reinforcement learning. Implement efficient multi-GPU and multi-node pipelines, and resolve bottlenecks to increase training speed. Photorealistic rendering and synthetic data: Extend rendering pipelines to support vision-based learning. Enable domain randomization and generate synthetic datasets for robust perception systems. Software-in-the-loop testing: Maintain infrastructure for validating policies and systems within simulation before hardware deployment. Support rapid iteration and help minimize risks during transitions to real robots. Collaboration: Work closely with engineers and researchers in reinforcement learning, control, perception, and hardware to align simulation with real-world performance and deployment objectives.

Join blp – The Leading Solution for ERP AutomationAt blp, a pioneering ETH and HSG spin-off, we are revolutionizing ERP automation through the power of AI. We tackle real-world enterprise challenges with innovative technology and a commitment to ownership. Our solutions are actively deployed in over 40 countries, serving more than 20,000 daily users and automating over 70,000 processes every single day.Our AI-driven automation is reshaping sectors including finance, procurement, logistics, and sales. As one of Switzerland's fastest-growing SaaS scale-ups, we proudly operate on a self-financed and employee-owned model.Our exceptional growth is driven by our in-depth expertise in both technology and business processes, ensuring we deliver an outstanding product that resonates with our expanding customer base, including Fortune 500 companies.Recognized with the LinkedIn Top Startup Award, our journey has just begun. Our headquarters is located on Zürich’s iconic Bahnhofstrasse, a fitting location for a company that is redefining business operations.Are you ready to shape the future? Join blp today.