Mid-Level Backend Engineer - PHP - Systems Team

Oxylabs, headquartered in Warsaw, develops proxy and web data scraping solutions for a diverse client base, including Fortune 500 companies. The company’s team of over 500 professionals tackles large-scale technical challenges together. Role overview This remote mid-level PHP developer position centers on managing and enhancing the infrastructure behind Oxylabs’ data platforms. The systems you will help support are built to handle vast amounts of data and high-volume traffic. Key infrastructure details Ceph storage exceeding 6 petabytes Monthly data traffic of more than 60 petabytes Over 300,000 service requests each second Streaming upwards of 500,000 Kafka messages per second What you will do The work focuses on solving complex technical problems and strengthening the core systems that power Oxylabs’ data-driven products. Expect to contribute directly to the reliability and scalability of this infrastructure.

Role overview Box Inc. seeks a Mid-Level Python Developer based in Warsaw, Poland. The role focuses on building web applications that are both efficient and scalable. Work alongside a team of experienced developers, contributing directly through hands-on coding and participating in peer code reviews. Writing clean, maintainable Python code is central to this position. What you will do Develop and maintain web applications using Python Write code that remains clear, organized, and easy to support Participate in code reviews to help maintain quality standards Collaborate with teammates to address technical challenges Requirements Enjoys working through complex problems Proactive and willing to learn Comfortable contributing in a collaborative environment

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.

Join our dynamic team at Jobs for Humanity as a Mid-Level Full-Stack Developer. In this role, you will play a pivotal role in developing and maintaining web applications that make a difference for job seekers around the world. You will work on both front-end and back-end development, collaborating with cross-functional teams to deliver high-quality software solutions.

The project involves enhancing the architecture of a system that supports clients in branches and partner locations.RESPONSIBILITIES:Participate in architectural changes to the system.Implement new functionalities using Angular 19 and Java 21.Refactor existing code for improved performance.Create integrations with REST services.Optimize performance and implement security solutions.Assist in designing and documenting technical specifications.

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!

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.

Welcome to the new era of software development at Telemedi! We are at the forefront of transforming the development process. By harnessing cutting-edge technologies combined with technical expertise and exceptional commitment, we strive to build more, faster, and better than ever before.Our developers utilize Cursor AI (cursor.com) — an IDE that completely changes the programming paradigm. In just a few hours, we accomplish what would take other developers several days. We expect you to do the same.Join us if:You are eager to work in a product-driven company where your contributions lead to tangible results.You thrive in a dynamic environment filled with activity.You take ownership of your work and the team’s outcomes.You embrace challenges and can navigate complex applications with ease.You enjoy understanding the business side and communicate effectively across teams.You create high-quality applications and features quickly and efficiently.You are confident in your technical skills and can enhance application standards, including improving legacy code.You are proactive in optimizing processes within your surroundings.Your responsibilities include:Participating in the development of IT solutions from start to finish (here, IT is not a “silo”).Enhancing web applications (adding new features, bug fixing, refactoring).Contributing to the design of new solutions and development infrastructure.Engaging in code reviews and ensuring the quality of created solutions.Constantly raising the standards of development processes.Collaborating closely with the team (Developers, PMs/POs, QAs).Maintaining high programming quality and a swift task delivery pace (both individually and as a team).Requirements:Experience with modern AI tools in programming (such as Cursor/Windsurf - GitHub Copilot is not sufficient). While prior experience isn't mandatory, a solid understanding and practice with the paradigm are essential.A minimum of 3 years of commercial experience working with PHP, specifically with Symfony or a similar framework.A minimum of 1 year of commercial experience with React.js framework, including some experience with TypeScript.Practical knowledge of design patterns and best programming practices (SOLID, KISS, DRY, etc.).Proficiency with version control systems, such as Git.A sense of ownership, independence, and responsibility for assigned tasks.Attention to detail and diligence in work (both individually and in a team).Fluency in Polish.Preferred qualifications:Familiarity with performance and optimization issues related to web applications.

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 altersolutions as a Mid/Senior Angular Developer in Warsaw, where you will have the opportunity to work on innovative projects and enhance your skills in a collaborative environment. You will be responsible for developing dynamic web applications using Angular, collaborating with cross-functional teams to design and implement user-friendly interfaces.

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 Talan as a Mid-Level Business Analyst, where you will play a crucial role in bridging the gap between business needs and technology solutions. We are looking for a detail-oriented professional who can analyze business processes, identify areas for improvement, and collaborate with stakeholders to implement effective strategies.

Join Our Growing IT Team!At Telemedi, we are in search of enthusiastic Junior Developers eager to grow their skills in the dynamic world of software development. With a strong focus on integrating AI technologies into our workflow, we encourage candidates who are ready to embrace innovation.Embrace the Future of Software DevelopmentGone are the days of traditional programming; the new era is here, and we are at the forefront of change. By leveraging the latest technologies and our commitment to excellence, we aim to build faster, better, and stronger solutions than ever before.Collaborate with Cutting-Edge ToolsOur developers work with Cursor AI (cursor.com), an innovative IDE that transforms programming paradigms. We expect you to be able to achieve in hours what others might take days to complete.What We’re Looking For:Desire to work in a product-based company where your contributions directly impact business outcomes.Ambition to grow through hands-on experience rather than just courses.Solid foundational knowledge in modern programming practices.A passion for a fast-paced environment where innovation is key.A sense of accountability for your work and that of your team.Openness to constructive feedback to improve your craft.A willingness to tackle challenges and navigate complex applications.A knack for understanding business needs and effective communication across departments.Ability to swiftly and efficiently create quality applications and features.A proactive attitude towards improving processes within your team.Your Responsibilities:Participate in the end-to-end development of IT solutions (we believe in collaborative efforts).Enhance web applications through new features, bug fixes, and refactoring.Engage in the design of new architecture and development infrastructure.Contribute to code reviews and ensure the quality of developed solutions.Consistently elevate development process standards.Work closely with the team (Developers, PMs/POs, QAs) to achieve high-quality outcomes.Maintain high programming standards and a swift delivery pace, both individually and as a team.

Join Our Innovative Team as a Senior Fullstack Developer!At Telemedi, we are in search of talented Senior Developers to enhance our IT team as we embark on an exciting journey of organizational growth, focusing on programming with AI. As a Senior Developer, you'll skillfully navigate an AI-integrated IDE and excel at delivering significant business value through IT solutions while maintaining high programming standards.The era of traditional IT is over; a new phase in software development is upon us. Telemedi is at the forefront of this transformation. We believe that by combining cutting-edge technologies with technical expertise and exceptional commitment, we can build faster, better, and more efficiently than ever before.Our developers work with Cursor AI (cursor.com) — an IDE that revolutionizes the programming paradigm. We are capable of accomplishing in hours what takes other developers days, and we expect the same from you.Apply if you: Want to work in a product company with a fascinating, extensive, and complex business domain where your efforts today translate into tangible outcomes tomorrow. Enjoy tackling significant challenges and thrive in complex applications. Appreciate a dynamic environment where exciting developments are constant. Take initiative and strive to elevate team standards daily. Feel a profound sense of responsibility for your contributions and those of your team. Welcome constructive feedback about your work with an open mind. Are eager to understand the business and communicate effectively with others (not just within IT). Can quickly and efficiently create high-quality applications/features. Are confident in your technical knowledge and capable of enhancing application quality (including gradually improving legacy code). Proactively seek to improve processes around you. Your Responsibilities: Participate in crafting IT solutions from inception to completion (we do not operate in silos). Develop web applications (new features, bug fixing, refactoring). Engage in designing the architecture of new solutions and development infrastructure. Contribute to code reviews while ensuring the quality of created solutions. Continuously raise the standards of development processes. Collaborate closely with team members (Developers, PMs/POs, QAs). Maintain high programming quality and rapid task delivery (both individually and as a team). What We Expect: Excellent understanding of business and a broad context with a high level of detail. Outstanding ability to translate business goals into IT solutions that are as simple as necessary and not more complex than absolutely required. A strong desire and perseverance to continuously elevate team standards (both in terms of quality and efficiency).

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 altersolutions as a Mid/Senior Java Developer and take part in exciting projects that shape the future of technology. In this role, you will leverage your expertise in Java development to create innovative solutions and enhance existing systems. You will collaborate with cross-functional teams to deliver high-quality software in a dynamic, fast-paced environment.

Join our dynamic team at Nordsec as a Mid-Level Backend Engineer, specializing in developing robust security tools. In this role, you will design, implement, and maintain backend services that safeguard our digital assets and enhance user experiences.Your responsibilities will include collaborating with cross-functional teams, ensuring optimal system performance, and contributing to the architecture of our security infrastructure. We are looking for innovative thinkers who are passionate about coding and eager to tackle challenging problems.

Who are we?Trasys International is a vibrant global organization recognized as a reliable partner to EU Institutions. With a strong dedication to excellence and a solid track record spanning over 30 years, we focus on empowering our clients' growth and success. Our mission is to facilitate clients in navigating the complexities of digital transformation by providing timely access to skilled professionals for critical roles. We continuously seek talented individuals eager to engage in challenging international projects and deliver outstanding results in multicultural settings. Our service offerings encompass modernization of solutions, digital workspaces, cloud technologies, and IT security. Headquartered in Brussels, we maintain active accounts and offices throughout Europe, including Luxembourg, Amsterdam, Athens, Stockholm, and Geneva.Is this YOU?We are currently seeking a Mid-Level SharePoint Developer to collaborate as a freelancer (preferably already registered as a freelancer in an EU member state) for a prominent EU intergovernmental agency based in Warsaw, Poland. This agency plays a vital role in assisting EU Member States with the coordination and management of external border security.The organization provides strategic direction, operational support, risk analysis, and fosters cross-border collaboration to ensure safe, lawful, and efficient mobility at Europe’s external borders.The position is classified as Near-Site, which requires you to reside within a two-hour radius of the Warsaw premises. The role allows for remote work but necessitates occasional on-site presence upon request (hence the two-hour radius).Start date: February 2026Responsibilities:Design and develop software systems.Lead development teams in execution of projects.Translate client requirements into effective design solutions.Optimize software for performance, security, and quality standards.Create and maintain technical documentation.Estimate development efforts and timelines.Establish software development standards and practices.

Telemedi is at the forefront of healthcare innovation, dedicated to employing talented developers and medical professionals to create modern solutions that simplify life for both patients and healthcare providers. Our mission is to leverage technology to ensure that everyone has convenient and immediate access to medical care.We are seeking an experienced Head of Software Engineering to lead our PHP development team and collaborate with us in creating cutting-edge technological solutions.Your Responsibilities:Manage the development team and coordinate their workParticipate actively in the programming process with a hands-on approachIntroduce and advocate for new technologies and AI tools to enhance programming effortsEstablish and monitor code quality standardsOptimize software development processesCollaborate with other departments in product creation and developmentMentor and develop the skills of team membersParticipate in strategic technology planning for the companyOversee timely project delivery in alignment with established goals