Mid-Level Backend Engineer | PHP | Systems Team

About the Role Nord Security is looking for a Mid to Senior Security Engineer to join the WebSec Team in Warsaw. This position focuses on strengthening security protocols and building solutions that protect web applications. What You Will Do Identify vulnerabilities in web applications and services Develop and implement security measures to protect users Work closely with other security professionals to improve overall security posture Contribute to the ongoing improvement of security processes and tools Who You’ll Work With Collaborate with a skilled team of security engineers and specialists, sharing knowledge and approaches to keep Nord Security’s web platforms safe.

Role Overview The WebSec Team at nordsec is hiring a Mid to Senior Security Engineer in Warsaw. This position focuses on strengthening the security of web applications and protecting sensitive data. What You Will Do Work with colleagues from different departments to design and implement security solutions for web applications. Safeguard digital assets by identifying and addressing vulnerabilities. Help ensure data integrity and confidentiality for users and the company. Impact Your work will help maintain user trust and keep digital systems secure, supporting nordsec’s commitment to high industry standards in cybersecurity.

Join the forefront of digital privacy with the world’s leading VPN!Are you a passionate problem-solver who thrives on innovation? Become a vital member of the team that developed Threat Protection Pro, the NordLynx protocol, and the fastest VPN globally—empowering users with enhanced privacy, security, and control over their online presence.Your contribution? Enable millions of users to regain control of their online security, privacy, and data.The Low-Level Server Side Team is at the helm of delivering VPN server software that serves millions of users worldwide.

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.

Role overview Nord Security seeks a Mid-Senior Copy Editor based in Warsaw. This position centers on shaping and polishing written content for readers worldwide. The editor reviews materials to confirm they meet Nord Security’s standards for quality, clarity, and brand voice. What you will do Edit and refine content to keep it clear, accurate, and consistent with the brand Uphold high standards across all written materials Help support effective communication on a variety of platforms

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 NordPass, we are dedicated to making password security effortless.We believe that logins should be both safer and simpler. Join the innovative team behind NordPass— a leading password manager relied upon by over 7 million users and more than 10,000 global enterprises to protect their credentials, cards, and sensitive information.Your impact? You will be instrumental in helping millions secure their digital lives by developing smarter and safer login solutions.Main ResponsibilitiesDesign, develop, and take ownership of security-focused backend services (including breach detection, email masking, and related tools) with a commitment to high quality, performance, and accuracy.Utilize AI-assisted workflows on a daily basis (code generation, test scaffolding, debugging, performance optimization) while continuously evaluating new tools to enhance the team's productivity.Contribute to the establishment of shared AI practices within the squad: reviewing patterns, creating prompt libraries, and setting guardrails to ensure AI-generated code meets the same standards as hand-written code.Engage in system design and architectural decision-making, advocating for solutions that are secure, scalable, and maintainable.Collaborate across functions with Frontend, Android, iOS, and Backend engineers to deliver comprehensive features across all platforms.Assume full responsibility for your creations, from design to production, ensuring uptime, reliability, and code excellence.

Join Nord Security in Shaping a Safer Cyber Future!At Nord Security, we empower individuals and businesses to reclaim their online security, privacy, and data. Our innovative solutions range from VPN services to password management, threat intelligence, and travel eSIMs, all designed to address complex challenges and earn the trust of millions across the globe.In this role, you will play a vital part in helping people take ownership of their online lives.Main ResponsibilitiesDesign, develop, and maintain secure infrastructure and tools that facilitate agile software development and automated releases.Document DevOps processes and establish standards to guide operations and maintenance.Ensure secure designs for platforms, infrastructure, and delivery mechanisms.Automate security controls across cloud environments, enhancing policy enforcement and container security while minimizing manual efforts.Collaborate with Security and Platform teams to bolster security measures.Identify and automate manual processes for increased efficiency.Mentor fellow engineers, fostering a robust technical security culture and establishing a strong Web Security team across our product offerings.Lead initiatives for improving cloud security posture using CSPM tools, focusing on automation and remediation workflows.Implement supply-chain security controls and Kubernetes security guardrails.Enable and manage cloud-native security controls across CI/CD pipelines and Kubernetes environments.

Nord Security’s B2B group develops cybersecurity products that help organizations safeguard their data and daily operations. The team combines expertise from product development, engineering, sales, marketing, and data to deliver security solutions used by businesses worldwide. Role overview As a Senior Automation QA Engineer on the Apps Team in Warsaw, this position focuses on strengthening the quality of Nord Security’s products for a global client base. The work directly supports enterprises in protecting their people, systems, and information. What you will do Build a test automation framework from the ground up. Design and maintain automated testing suites that cover multiple platforms. Identify, document, and track software defects, collaborating with developers to resolve them. Work closely with product managers, developers, and other QA professionals to ensure high product quality. Requirements Experience creating and maintaining native testing solutions. Proficiency in JavaScript and TypeScript. Strong understanding of native application architecture. Advanced skills with Appium and related automation tools. Ability to use AI coding tools responsibly, ensuring code quality and sound system design. Keen attention to detail. Initiative and a sense of ownership, especially when launching new projects. Clear communication skills, both written and spoken. Compensation Gross monthly salary: 20,700 - 26,800 PLN Benefits Collaborate with international experts to develop cybersecurity tools used by millions. Access to ongoing learning and professional growth in a supportive environment.

Become a pivotal part of our talented Web Design team, where you will contribute to redefining the online presence of a leading global cybersecurity provider.We are seeking a skilled designer eager to enhance our web presence, driving user engagement and satisfaction. Your primary focus will be on creating visually appealing and user-friendly websites. You will work closely with our Marketing team on diverse projects, from global campaigns to new business initiatives. As a designer, you will also collaborate with copywriters, web content managers, design system specialists, graphic designers, and engineers to deliver exceptional websites that captivate audiences worldwide.Main ResponsibilitiesDesign web pages that promote user engagement and interaction, ensuring a seamless browsing experience.Evaluate existing website patterns and structures, identifying design and architectural flaws to recommend effective solutions and enhancements.Partner with marketing and product teams to ensure that web designs align with our brand identity and business goals, enhancing user engagement and conversion rates through comprehensive, user-centric strategies.Collaborate closely with UI/UX Designers, UX Researchers, and Design System designers.Champion design excellence by presenting and justifying your design decisions and their potential impact on growth metrics to stakeholders.Core RequirementsDemonstrated experience in web design, backed by a portfolio showcasing your ability to create engaging web pages.Outstanding visual and interaction design skills, with a strong attention to detail and a passion for crafting intuitive user experiences.A commitment to aligning design strategies with business objectives and user requirements.A collaborative mindset, capable of working with data analysts, web content managers, and developers to ensure the integrity of design and its implementation.A quick learner, adaptable to emerging technologies and changing project demands, receptive to feedback for continuous improvement.Excellent communication skills, with fluency in English.Proficiency in Figma.

Join Saily, where we revolutionize connectivity for travelers by eliminating roaming fees and plastic SIM cards, offering seamless, high-speed mobile data in over 200 destinations. With millions of satisfied customers and countless travelers engaging with Saily at any moment, our mission is clear.We cultivate an AI-native Product Engineering culture that empowers our engineers to be builders, taking ownership of customer challenges from concept to deployment. AI agents assist in coding and automating repetitive tasks, enhancing engineers' productivity. We believe in constant improvement, where every team member is encouraged to propose enhancements and implement innovative solutions.Curiosity and knowledge sharing are vital to us, ensuring that our primary focus remains on delivering a comfortable, connected, and hassle-free experience for our customers.At Saily, we prioritize growth over comfort, contributions over hierarchy, and impact over process. We empower talented individuals with the context, autonomy, and AI tools necessary to excel in their roles.

Join Nord Security and innovate the future of online safety.At Nord Security, we empower users and businesses to reclaim their online privacy and security. Our diverse range of solutions—from VPNs and password managers to threat intelligence and eSIMs—are designed to address complex security challenges, earning the trust of millions around the globe.As a Senior Software Engineer, you'll play a pivotal role in enhancing our User Control Panel, ensuring users have a seamless and secure experience.Key ResponsibilitiesDesign and enhance a sophisticated User Control Panel to foster user trust and engagement, driving sustainable growth.Implement new features and improve user flows within the account management portal, including subscriptions, billing, and security options.Maintain a high-quality, scalable front-end codebase using modern best practices.Continuously enhance code quality, performance, and user experience.Write and uphold unit and integration tests alongside feature development.Contribute to the component library and design system standards.Engage in code reviews to uphold engineering excellence.Collaborate with backend engineers to define API contracts and handle errors effectively.Work with QA engineers to guarantee feature reliability and document workflows.Debug and resolve issues throughout the frontend stack, including UI rendering and state management.Advocate for best engineering practices and contribute to improving development processes.Conduct research and development activities to support new initiatives and make informed technical decisions.Mentor team members and provide technical guidance on best practices.Shape the team's technical vision and contribute to long-term goals.Essential Qualifications4+ years of experience in JavaScript and TypeScript programming.2+ years of hands-on experience with React framework.In-depth understanding of web development principles, testing methodologies, and performance optimization techniques.Proficiency in modern front-end development practices and tools.Strong problem-solving skills and attention to detail.

Join the forefront of online security technology with the world’s leading VPN provider!Are you a passionate problem-solver eager to make impactful contributions? Become a key player in the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN globally—tools designed to restore privacy, security, and user control.Your role? Empower millions to reclaim their online security, privacy, and data integrity.As a Senior Backend Engineer on our Notification Center Team, you’ll be vital in designing and maintaining the microservices that facilitate seamless in-app notification delivery. We take pride in being the backbone of numerous features that depend on these notifications for smooth functionality. Our collaborative spirit drives us to work closely with other teams at Nord to pave the way for a scalable future.Ready to tackle the challenges of scalability, code quality, and service stability? Join our team of skilled engineers dedicated to technical excellence and help shape the future of NordVPN and its associated products!

Join NordLayer and be part of a cybersecurity revolution!We are creating a scalable cybersecurity platform tailored for modern teams, eliminating security concerns while enhancing productivity. With trust from over 11,000 global companies, NordLayer seamlessly integrates into any tech stack, offering robust protection across borders.Your Role: Play a crucial part in empowering businesses with cutting-edge network security solutions.Key ResponsibilitiesEnhance our codebase by crafting clean, high-quality TypeScript code, backed by rigorous testing.Provide mentorship and technical guidance to frontend developers through insightful code reviews and implementation strategies.Collaborate with backend engineers to define API contracts and ensure smooth integration between frontend and backend services.Work alongside product managers and designers to transform product requirements and UX designs into viable technical solutions.Uphold high engineering standards by promoting best practices in code quality, testing, and maintainability.Assist the team in delivering features within a Scrum framework by effectively breaking down tasks, identifying risks early, and contributing to accurate estimations.Essential Qualifications5+ years of experience in developing and maintaining modern frontend applications using React and TypeScript.Proven experience in designing frontend architectures and establishing scalable components and state management patterns.Strong knowledge of frontend performance optimization and web application best practices.Experience working with REST APIs and collaborating effectively with backend teams.Familiarity with frontend testing frameworks such as Jest, Testing Library, Cypress, or Playwright.Experience leading technical discussions within a distributed team environment.Bonus QualificationsHands-on experience in building or contributing to open-source projects.

Join the forefront of digital security with the world's most advanced VPN.As a passionate innovator and problem-solver, become part of the team that developed Threat Protection Pro and the NordLynx protocol—the fastest VPN globally. Our tools empower individuals by reclaiming their privacy, security, and control over their digital lives.Your Contributions: Play a pivotal role in helping millions regain authority over their online security, privacy, and data.Key Responsibilities:Design, develop, and sustain data curation and ingestion services tailored for the Threat Intelligence team.Collaborate on and implement robust architectural solutions, including distributed computing pipelines, microservices, and database integrations.Engage actively in code reviews, provide constructive feedback, and ensure top-notch technical documentation.Innovate and design new services to enhance data feed quality.Maintain adherence to coding standards, ensuring code is maintainable, readable, and secure, while fostering a results-oriented mindset.Continuously generate and discuss new ideas in the context of product development and cybersecurity.Offer technical guidance and leadership to team members.Essential Qualifications:Proficient in Python, with a strong grasp of core concepts, syntax, and data structures.Experience in designing microservice architectures and facilitating effective communication.Familiarity with data storage solutions, especially PostgreSQL.Ability to write clean, maintainable, and efficient code.Hands-on experience with cloud infrastructure technologies such as Docker and Kubernetes.Exceptional problem-solving skills with a knack for analyzing and resolving complex issues.Demonstrated capacity for rapid learning and proactive problem detection.Detail-oriented with a structured approach to research and implementation.

Join Our Innovative Team at NordLayer!At NordLayer, we are revolutionizing cybersecurity, ensuring that businesses can scale securely. Our toggle-ready platform empowers modern teams to operate efficiently without the burden of security concerns. Trusted by over 11,000 companies across the globe, NordLayer seamlessly integrates with any tech stack to provide comprehensive user protection worldwide.Your Role: Play a vital role in safeguarding businesses and advancing network security solutions for the future.Key Responsibilities:Design, develop, and maintain automated end-to-end testing frameworks for both API and UI.Collaborate with the Test Automation team to enhance a shared testing library.Identify, document, and work with the engineering team to troubleshoot software defects.Partner closely with product, engineering, and QA teams to ensure top-notch product quality.

Join NordProtect and be a part of a pioneering identity theft protection service.As a key member of the Nord Security team, you will contribute to the development of an innovative platform that integrates dark web monitoring, credit tracking, and identity theft insurance into a single, powerful solution.Your contributions will be vital! You will empower individuals to safeguard their identities, identify threats proactively, and enhance their recovery capabilities.Welcome to NordProtect, your comprehensive shield against identity theft, financial fraud, and online scams. We deliver extensive monitoring, prompt threat detection, fast recovery, and dependable insurance, offering unmatched security and peace of mind for both individuals and businesses. The real champions of this advanced solution are cybersecurity and insurance professionals, and we invite you to join us in this mission to protect digital identities.Key ResponsibilitiesDesign and create microservices tailored to the daily needs of users requiring identity theft protection, ensuring the utmost security while managing a significant volume of personal identifiable information.Collaborate with cross-functional teams to guarantee the smooth integration and functionality of microservices throughout Nord Security's product suite, ensuring a cohesive and seamless user experience.Provide mentorship and technical direction to team members, fostering the growth of best practices within the engineering team.Play a crucial role in shaping the team's vision and contributing towards long-term objectives.Participate in research and development efforts to discover and implement advanced technologies as needed.Encourage effective communication and collaboration among team members and with other engineering, product, and design professionals across various teams.Demonstrate a collaborative mindset by actively engaging in discussions, challenging ideas, and embracing redesigns that contribute to collective success.Core QualificationsProven experience with backend technologies, particularly with Go.Strong understanding of system design principles, including knowledge of appropriate design patterns and their application.Familiarity with Agile methodologies and continuous integration practices.Ability to communicate technical concepts effectively to varied audiences.Experience in building scalable and resilient systems.

Fraud Warning: Beware of potential scams posing as legitimate job opportunities. To ensure your application is considered, please apply only through the official Sensor Tower website or directly through our authorized profiles on platforms like LinkedIn, Indeed, BuiltIn, or Hackajob. Sensor Tower will never request payment, credit card, or bank account information during the application process. All official communications will originate from email addresses ending in sensortower.com. Interviews will be conducted via phone or Zoom, and no conversations will shift to external email or text platforms. If you encounter any issues, please reach out to us. Remember to attach your resume when applying.Recruitment Agencies: Sensor Tower does not accept unsolicited resumes from third-party agencies. Please refrain from sending resumes to our job alias, employees, or any other location. Sensor Tower will not cover fees related to unsolicited resumes and will not compensate agencies without a signed agreement.About This Role:Are you excited by the dynamic environment of a startup?Do you have a passion for developing high-impact, rapidly deployed products?Are you committed to mentoring emerging engineers and championing technical excellence?Join us in revolutionizing how insights are derived in digital marketing!Apply today!Role Summary:As a Mid / Senior Frontend Engineer at Sensor Tower, you will play a crucial role in developing top-notch products and features that enhance our user experience. Our flat organizational structure allows for your input to significantly influence product design and development.

Join the forefront of online privacy and security.At Nord Security, we are pioneers in developing cutting-edge tools like Threat Protection Pro and the NordLynx protocol, ensuring users regain control over their online security and privacy.Your Role: As part of the Nord Checkout team, you will contribute to building and maintaining essential services that enhance the user purchasing experience. Your work will ensure a secure, efficient, and enjoyable process for millions of users worldwide.Main Responsibilities:Design and implement highly scalable, resilient, and secure microservices.Write high-quality, tested, and maintainable code that performs well under load.Collaborate with cross-functional teams, including QA, DevOps, and security, to ensure seamless service delivery.Successfully deploy new features and technical fixes on schedule.Create comprehensive technical designs and maintain thorough documentation.Conduct research and development to solve complex challenges.Take ownership of projects from inception to completion.Embrace continuous professional development.