Mid-Level Backend Engineer for Security Tools Team

Join Moss, where we empower finance professionals to automate their daily tasks and make strategic decisions.Our unique culture is driven by impact and growth, with every team member dedicated to learning and excelling. Recognized by Sifted’s Rising 100 and LinkedIn's Top Startups, we are committed to propelling your career and achieving lasting success together.We are looking for talented **Mid-Level Backend Engineers (f/m/d)** to join various teams in our Warsaw office, including:Sales EnablementPricing & BillingAcquisitionSpend ManagementActivation & Card SpendIn this role, you will collaborate closely with designers, product managers, and frontend engineers to bring innovative ideas to life. Your goal will be to ensure that our product simplifies and automates everyday tasks through intuitive and efficient tools.

Join Moss, where we empower finance professionals to automate their daily tasks and make innovative decisions.Our culture is what sets us apart — we prioritize impact and continuous growth, encouraging each team member to learn and excel. Moss has been recognized by Sifted’s Rising 100 and LinkedIn's Top Startups, and we are committed to driving your career forward while building a lasting success story together.We are currently seeking a Senior Frontend Engineer (f/m/d) to join one of our diverse tribes in Warsaw. The tribes currently hiring include:Financial ServicesGrowthSpend ManagementYou will work closely with product, design, and backend engineers to provide seamless and scalable solutions.

Join Moss, where we empower finance professionals to automate their workflows and make strategic decisions.Our unique culture is centered around impact and growth, fostering an environment where each team member is encouraged to learn and succeed. Recognized by Sifted’s Rising 100 and LinkedIn's Top Startups, we aim to advance your career while making Moss a lasting success.Our Engineering teams are looking for talented Senior Backend Engineers (f/m/d) to join various teams in Warsaw. Open positions include:Sales EnablementPricing & BillingAcquisitionSpend ManagementActivation & Card SpendIn this role, you will collaborate closely with designers, product managers, and frontend engineers to bring innovative ideas to fruition, ensuring our product provides intuitive and efficient tools for business automation and simplification.

Role overview Talan is seeking a Mid-Level Backend Spark Developer to join the team in Warsaw. This role centers on building and maintaining backend systems, with Apache Spark as a primary tool. The work directly supports ongoing projects and plays a key part in meeting team objectives. What you will do Develop backend solutions that use Spark as a central technology Collaborate with colleagues from various disciplines to deliver dependable software Support project progress by helping meet milestones and upholding technical standards Location This position is based in Warsaw.

Location: Warsaw, Poland — Hybrid (4 days on-site / 1 day remote)Contract: B2B · 25–40 k PLN net / month + RSUsFresha: Innovating the Beauty & Wellness SectorBecome a part of Fresha, the premier marketplace platform revolutionizing the beauty and wellness industry on a global scale. With a network of over 120,000 businesses and 450,000 stylists who trust our platform, we've facilitated more than 1 billion appointments worldwide. Fresha provides an integrated platform for bookings, point-of-sale, marketing, and more, connecting consumers with local services.Your Role as a Backend EngineerAt Fresha, we harness the power of AI not merely as a coding assistant, but as a catalyst for feature delivery. We equip every engineer with cutting-edge tools (Claude, GitHub Copilot, Cursor) to eliminate technical burdens—allowing you to dedicate your efforts to delivering high-impact product features. We seek engineers who can adeptly utilize these tools to propel our 6-week development cycles, accelerating the transition from concept to code, while ensuring the technical integrity and security of the final user experience.Are you poised to make a tangible impact in a dynamic, self-directed environment? We invite you to join our exceptional cross-functional product team in Warsaw as a Backend Engineer.Key Responsibilities:* Collaborate intimately with Product, Design, Frontend, Infrastructure, and Mobile engineers to transition features from discovery to deployment and beyond.* Take ownership of features from concept to observability: encompassing technical design, implementation, testing, and deployment.* Design, develop, and sustain efficient, scalable, and robust Ruby/Elixir code.* Work within a polyglot technology stack (Ruby, Elixir, GraphQL, TypeScript, gRPC) and modern messaging systems (Kafka).* Operate within a Kubernetes-driven framework as we progress towards a microservices architecture.* Apply Domain-Driven Design principles to build high-quality, impactful products from inception to delivery.

Join NordPass, where we revolutionize password security.At NordPass, we believe that securing logins should be both safe and straightforward. Become a part of the dynamic team behind NordPass—a trusted password manager for over 7 million users and more than 10,000 global businesses, dedicated to safeguarding credentials, payment cards, and sensitive information.Your Contribution: Play a pivotal role in helping millions protect their digital lives by developing innovative and secure login solutions.

Join our innovative team at nordsec as a DevOps Engineer. In this exciting role, you will collaborate with cross-functional teams to streamline our software development and deployment processes. Your expertise will ensure the reliability and efficiency of our systems while enabling our team to deliver top-notch software solutions.If you have a passion for automation, cloud services, and continuous integration/continuous deployment (CI/CD) practices, we want to hear from you. Bring your skills in infrastructure management and help us scale our operations!

Join Our Team at NordLayer!At NordLayer, we are on a mission to deliver scalable cybersecurity solutions tailored for modern businesses.Our innovative platform empowers teams to operate efficiently without the burden of security concerns. Trusted by over 11,000 global companies, NordLayer seamlessly integrates with any technology stack to safeguard users across borders.Your Role: As a DevOps Engineer, you will play a crucial role in enhancing and automating our infrastructure and CI/CD processes. Collaborating with Senior Engineers and cross-functional teams, you will implement best practices in DevOps, support robust and scalable cloud solutions, and ensure smooth software delivery. This is a fantastic opportunity for professional growth in a dynamic environment while contributing to our infrastructure automation initiatives.Key Responsibilities:Implement and maintain Infrastructure as Code (IaC) using Terraform.Develop, manage, and optimize Terraform modules.Oversee and enhance AWS Cloud infrastructure, ensuring performance, scalability, and availability.Assist in establishing and maintaining monitoring and logging systems (e.g., ELK, Grafana, Thruk).Provide technical support for infrastructure, CI/CD pipelines, and deployment processes.Troubleshoot and resolve infrastructure-related issues to ensure seamless operations.Document and uphold DevOps workflows, processes, and system configurations.

Join Box Inc. as a Mid-Level Java Engineer and take part in building innovative solutions that streamline processes and enhance user experiences. You will collaborate with a team of talented developers, contributing to the design, development, and maintenance of high-quality software applications.We value creativity, teamwork, and a passion for technology. If you are eager to tackle challenging problems and develop your skills in a supportive environment, we would love to hear from you!

Location: Warsaw, Poland — Hybrid (4 days on-site / 1 day remote)Contract: B2B · 25–42 k PLN net / month + RSUsJoin Fresha: Pioneering the Beauty & Wellness RevolutionBecome part of Fresha, the world's foremost marketplace platform that's redefining the beauty and wellness sector. With a community of over 120,000 businesses and 450,000 stylists relying on our innovative platform, we have successfully facilitated more than 1 billion appointments globally. Fresha empowers businesses through a comprehensive suite of tools for bookings, point-of-sale, marketing, and beyond, while seamlessly connecting consumers with local services.At Fresha, we harness the power of AI as a true catalyst for feature innovation, going beyond mere coding assistance. Our engineers are equipped with premium tools (Claude, GitHub Copilot, Cursor) that eliminate technical burdens, allowing you to devote your efforts to delivering impactful product features. We seek engineers who can strategically use these tools to foster momentum within our six-week development cycles, effectively accelerating the transition from idea to implementation while ensuring a robust technical foundation to verify, secure, and enhance the final user experience.Your Role as a Senior Backend EngineerAre you eager to make a profound impact in a dynamic and autonomous setting? We're on the lookout for a talented Senior Backend Engineer to join our cross-functional product team based in Warsaw.Key Responsibilities:* Technical Expertise - This role demands a strong technical foundation; hands-on coding skills are essential. It is not a managerial position.* Leadership - Lead the delivery of technical initiatives that span across teams and departments.* Architectural Oversight - Be responsible for the architectural decisions within your tribe.* Technical Guidance - Provide sought-after technical guidance; proactively identify potential technical challenges at the product level and make informed architectural and design choices to mitigate them.* System Enhancements - Drive significant improvements in stability, performance, and scalability across critical enterprise systems.* Project Delivery - Ensure the timely completion of your team’s projects, which will have a direct impact on Fresha’s success.

Join our team as a Backend Engineer and contribute to our innovative solutions at NordProtect. We are looking for talented individuals with a passion for technology and a strong background in backend development, specifically using Go. In this role, you will collaborate with cross-functional teams to design, implement, and maintain robust and scalable backend systems.

Join HelloFresh in Warsaw as part of our HelloTech organization, a vital segment of our global technology team comprising over 1000 professionals. We are dedicated to developing digital products that enhance the end-to-end food experience, encompassing meal kits, ready-to-eat meals, and even specialty items like pet food and premium meat & seafood. Our technology platforms empower millions of customers with personalized food solutions every month.Our direct-to-consumer subscription model is fueled by cutting-edge technology that optimizes every customer interaction—from engaging applications and personalization algorithms to pricing strategies and supply chain management. Although our brands operate independently to cater to diverse customer needs, they are unified by shared platforms, data, and operational excellence crafted by HelloTech.At HelloTech, we work in autonomous, cross-functional teams that take ownership of specific products and domains. By collaborating with our Warsaw office, you will contribute to scalable, data-driven products used across various markets, leveraging a modern tech stack and working with international teams to continuously enhance how our customers discover, order, and enjoy HelloFresh products now and in the future.

Join NordPass and revolutionize password security.At NordPass, we are committed to making logins safer and more straightforward for everyone. As a member of our dedicated team, you will contribute to developing a password manager that is trusted by over 7 million users and more than 10,000 organizations worldwide to protect their credentials, payment information, and sensitive data.Your Role: Play a vital role in helping millions secure their digital identities by designing smarter, safer login solutions.

Join Nordsec as a Senior Backend Engineer and be a part of our innovative team in Warsaw. We are seeking a talented engineer experienced in Golang to help us build robust backend systems that power our applications. You will work closely with cross-functional teams to design, implement, and optimize backend services that deliver exceptional user experiences.

Join the NordPass Team to Revolutionize Password Security!At NordPass, we strive to make online password management effortless and secure. With over 7 million users and 10,000+ companies relying on us, we are committed to providing a premium password manager that safeguards credentials, cards, and sensitive information.Your Contribution: Play a pivotal role in enhancing digital security for millions by developing innovative and secure login solutions.Key ResponsibilitiesCollaborate with cross-functional teams to integrate and optimize microservices across NordSecurity's product ecosystem, ensuring a seamless user experience.Prioritize the delivery of high-quality, scalable, and secure code.Engage in key technical and architectural decisions, refining development processes and shaping the strategic direction of our products.Demonstrate strong ownership over product development, maintenance, and quality assurance.Facilitate effective communication and collaboration among engineering, product, and design teams.Essential QualificationsExtensive experience with PHP (3+ years).Hands-on experience with AI tools to enhance engineering (e.g., code generation, test creation, performance optimization, and debugging), demonstrating accountability for outcomes.Proficient in system design, with a clear understanding of design patterns and their applications.Solid grasp of Object-Oriented Programming (OOP), asynchronous programming, and design patterns.A genuine passion for architecture and technology; we want to hear from those who can create scalable and robust code.Familiarity with core CI/CD principles, unit testing, and integration testing.Preferred QualificationsKnowledge of cryptography.

Join our dynamic team at Nord Checkout as a Backend Engineer, where you will play a vital role in developing and optimizing our backend systems using Go. This position is perfect for individuals who are passionate about backend development and are eager to contribute to innovative payment solutions.

Join Saily, where we are transforming the travel experience by eliminating the hassle of staying connected while on the go. Our service offers lightning-fast, secure mobile data across 200+ destinations, without the burden of roaming fees or plastic SIM cards. With millions of satisfied customers and countless travelers engaging with our service, we are on a mission to redefine connectivity.At Saily, we cultivate an AI-native Product Engineering culture, which empowers our engineers to take full ownership of product development from conception to deployment. Our AI Agents handle repetitive tasks and assist engineers in maximizing their productivity. We believe in the collective effort to enhance our service by continuously identifying areas for improvement and implementing innovative solutions.We prioritize curiosity, learning, and collaboration while keeping our customers' comfort and connectivity as our core focus. At Saily, we value growth over comfort, contribution over hierarchy, and impact over process, providing our talented team with the autonomy and context necessary to excel.

At Veeam Software, we pride ourselves on being the experts in Data and AI Trust, dedicated to empowering organizations to fully understand, secure, and ensure the resilience of their data and AI systems. Recognized as the market leader in data resilience and security posture management, we are perfectly positioned to navigate the convergence of identity, data, security, and AI risk. With our headquarters in Seattle and a presence in over 30 countries, we protect the operations of more than 550,000 customers globally, who rely on us to keep their businesses running smoothly. Embark on this exciting journey with us as we continue to innovate, learn, and create significant impacts for some of the world’s largest brands.About the RoleJoin us as we lead the charge in Kubernetes Backup and Disaster Recovery. Our Veeam Kasten platform is specifically designed for Kubernetes data management, providing enterprise operations teams with a seamless, scalable, and secure solution for backup, restore, disaster recovery, and application mobility. With our commitment to continuous optimization and enhancement, we are integrating our tools with SaaS services and expanding support for virtual machines hosted in Kubernetes, ensuring that we meet the evolving needs of our customers.

We are seeking an experienced Senior Backend Engineer to become a vital member of our dynamic, cross-functional product teams. This role demands extensive technical expertise, exceptional communication abilities, and a proactive, collaborative approach. The successful candidate will be deeply involved in ongoing client projects and seamlessly integrated into our established workflows.