Senior Software Engineer - Python

Join our dynamic team at Nordsec as a Mid-Level Software Engineer, specializing in Python development for our Quality of Service (QoS) team. In this role, you will be responsible for designing, implementing, and maintaining high-performance software solutions that enhance QoS across our platforms. You will collaborate closely with cross-functional teams to ensure our technology meets the highest standards of quality and reliability.We are looking for innovative thinkers who thrive in a collaborative environment and are eager to tackle challenging problems. If you are passionate about software engineering and dedicated to improving user experiences through technology, we want to hear from you!

Join the forefront of internet security with the world's leading VPN provider.Are you an innovative problem-solver eager to shape your own path? Become a vital part of the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN service available globally—empowering individuals to regain their privacy, security, and control over their data.Your role will make a difference. You will assist millions in reclaiming their online security, privacy, and data.The Infrastructure department plays a crucial role in driving change, providing essential support, and delivering cutting-edge software-defined solutions.As part of our QoS - Quality of Service team, you will ensure our clients receive the highest quality VPN service possible. This team includes Data Analysts to evaluate key metrics and Project Managers to spearhead service improvements.Your primary responsibilities will include:Developing automation solutions tailored to specific business needs within the Quality of Service team.Actively participating in team design, planning, estimation, and the delivery of new features and bug fixes.Creating lightweight proofs of concept to facilitate rapid learning and guide future development.Producing high-quality, maintainable code.Collaborating closely with Project Managers and Data Analysts to drive enhancements.

Join the innovative team at Hostinger as a Mid-Level Python Engineer! In this role, you will leverage your Python expertise to develop and enhance our cutting-edge web solutions. Collaborate with cross-functional teams to design scalable applications that improve user experience and drive our mission forward.

Join the forefront of digital security with the world's leading VPN provider. Are you a passionate problem-solver eager to make a difference? Become a member of our innovative team responsible for developing Threat Protection Pro, the NordLynx protocol, and the most efficient VPN available. Our mission is to empower users with unparalleled privacy, security, and control over their online experiences.Your Contribution: Play a vital role in helping millions reclaim their online security, privacy, and data integrity.

Join us at Nord Security as we pave the way for a more secure cyber world.Our mission is to empower individuals and organizations to reclaim their online security, privacy, and data. Whether it's through our cutting-edge VPN services, user-friendly password managers, insightful threat intelligence, or innovative eSIM solutions for travelers, our talented teams are dedicated to transforming intricate challenges into trusted solutions, embraced by millions across the globe.In this pivotal role, you will be instrumental in helping people take ownership of their digital lives.

Join the forefront of online security with Nord Security!Are you a proactive problem-solver with a passion for innovation? Become a vital member of the team that develops Threat Protection Pro, the NordLynx protocol, and the fastest VPN available today—empowering users to reclaim their privacy, security, and control online.Your Contributions: Enable millions to regain control over their online security, privacy, and data, making a significant impact in the cybersecurity landscape.Key ResponsibilitiesDesign, implement, and maintain data curation and ingestion services for the Threat Intelligence team.Collaborate to develop and implement sustainable architectural solutions, including distributed computing pipelines, microservices, and data flows.Participate actively in code reviews, share expertise, and ensure high standards of technical documentation.Create new services to enhance the quality of data feeds.Adhere to coding standards while delivering efficient, maintainable, and secure code (following DRY, SOLID, and KISS principles).Innovate continuously, proposing and discussing new ideas within the cybersecurity domain.Provide technical leadership and mentorship to team members.Essential QualificationsProficient in Python with a solid understanding of core concepts, syntax, and data structures.Experience in designing and implementing microservice architectures.Familiarity with data storage solutions such as PostgreSQL.Ability to write clean, maintainable code.Experience with cloud technologies, specifically Docker and Kubernetes.Strong analytical and problem-solving abilities to tackle complex issues effectively.Eager to learn rapidly and proactively identify and resolve problems.Detail-oriented with excellent organizational skills.

Join the forefront of internet security with Nord Security. Are you an innovative developer with a passion for crafting solutions? Become a vital part of our team that has created Threat Protection Pro and the NordLynx protocol—recognized as the fastest VPN globally. Our mission is to empower individuals to reclaim their online security, privacy, and management of personal data.Your Role: Contribute to groundbreaking projects that enhance the online safety of millions around the globe.

Join NordStellar, a leading cybersecurity platform, and help organizations stay one step ahead of cyber threats.As a Software Engineer, you will be integral to transforming threat intelligence into actionable insights, developing cutting-edge tools for dark web monitoring and attack surface management that security teams can trust.Your Role: Empower businesses to identify vulnerabilities and thwart cyberattacks, safeguarding both teams and customers.About NordStellar: Our innovative threat exposure management platform is designed to outsmart cyber threats, protect critical data, and prevent fraud. With NordStellar, businesses gain the insights they need to anticipate hacker actions. Our dedicated Dark Web Monitoring Team is a mission-driven, cross-functional group focused on identifying emerging threats and delivering vital insights.Join us in building technology that empowers proactive security leaders with an understanding of what hackers know about their businesses, enabling swift detection and response to potential cyber threats.

Role overview This Mid-Level Office Manager position at Nord Security focuses on keeping daily operations efficient and organized in the Vilnius office. The role blends resource management, administrative support, and practical help for team members to create a productive work environment. What you will do Manage office resources and keep supplies stocked Coordinate administrative tasks and manage schedules Assist staff with daily needs and requests Contribute to a positive company culture through daily interactions Identify opportunities to make office operations more efficient Location The position is based onsite in Vilnius.

Join the forefront of online security with the world's leading VPN provider. Are you a proactive problem-solver eager to shape your career? Become part of the innovative team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN globally—empowering users with privacy, security, and control over their online presence.Your contribution? Enabling millions to reclaim their online security, privacy, and data.

Join NordStellar, where we empower businesses to anticipate hacker insights before they strike.Become a part of our dedicated team that transforms threat intelligence into actionable strategies. From dark web surveillance to comprehensive attack surface management, we are crafting robust tools that security teams depend on to stay ahead of cyber threats.Your contribution? Assisting organizations in identifying weaknesses and thwarting cyber-attacks—ensuring safety for teams and customers alike.NordStellar is the latest innovation in our suite of advanced cybersecurity solutions. This pioneering threat exposure management platform is engineered to outmaneuver cyber threats, protect sensitive information, and combat fraud. NordStellar equips businesses with the resources necessary to outsmart hackers and safeguard their operations. Join us in creating technology that reveals what hackers are aware of regarding their targets.The Dark Web Monitoring Team is a mission-focused, interdisciplinary group dedicated to spotting emerging threats on the dark web and providing critical insights. This team emerged from Nord Security's Risk Management and Information Security departments and is currently focused on developing its own standalone cybersecurity offering, NordStellar. We leverage our expertise to empower proactive security leaders with essential insights: the intelligence hackers possess about their organizations. NordStellar enables companies to identify and react to cyber threats before they escalate. Our platform monitors numerous cybercrime communities and dark web sites, equipping cybersecurity teams with the vital information and tools needed for informed decision-making.

Join NordPass in Revolutionizing Password Security!At NordPass, we are committed to making password management easy and secure. Our mission is to ensure that logins are not just simpler but also safer. Be part of the team that powers NordPass—a trusted password manager utilized by over 7 million users and more than 10,000 companies worldwide, safeguarding their credentials, payment information, and sensitive data.Your Role: Contribute to enhancing the digital security of millions by developing innovative and secure login solutions.Key Responsibilities:Collaborate with cross-functional teams to ensure seamless integration and effective use of microservices across Nord Security’s product suite, enhancing user experience.Prioritize high-quality code delivery with a focus on scalability and security.Participate actively in technical and architectural discussions, refining processes and influencing the strategic direction of the product.Exhibit strong ownership and accountability for the development, maintenance, and quality of the product.Promote effective communication and collaboration among team members and cross-functional groups, including engineering, product, and design professionals.

Oxylabs creates proxy and web data scraping solutions for a diverse client base, including Fortune 500 companies. The company’s team of over 500 professionals tackles complex data challenges and supports large-scale operations. Role overview This Mid-Level PHP Developer position is based in Vilnius. The role centers on maintaining and enhancing the infrastructure that powers Oxylabs’ global data services. The systems managed in this role process significant volumes of data for clients worldwide, requiring careful attention to reliability and performance. Key systems and technologies Ceph storage handling over 6 petabytes of data Monthly data traffic exceeding 60 petabytes Service infrastructure managing more than 300,000 requests per second Kafka streaming with 500,000 messages per second This role focuses on supporting and improving the core systems that keep data flowing smoothly at scale.

Join NFQ, a key technology partner for HomeToGo, where a talented team of software engineers and data science experts is dedicated to innovating the world's largest vacation rental marketplace. As we expand our technology team in Lithuania, we are eager to find exceptional individuals to become part of our dynamic organization.HomeToGo is renowned for offering the largest selection of vacation rentals globally, featuring millions of listings from thousands of trusted partners, such as Booking.com, Vrbo, and TripAdvisor. Our platform showcases a diverse range of accommodations, from vacation homes and cabins to apartments and unique properties like castles and houseboats. We streamline the search process by combining price, destination, dates, and amenities to help travelers find their ideal lodging anywhere in the world.Since our establishment in 2014, HomeToGo has successfully operated localized apps and websites in 25 countries across Europe, North America, South America, Australia, and Asia-Pacific. We also manage various brands, including Agriturismo.it, AMIVAC, Casamundo, and more.As a Senior Software Engineer & Team Lead, you will play a crucial role in the success of HomeToGo, overseeing one of our Consumer Product teams. Our innovative tech stack includes Symfony, MariaDB, ElasticSearch, Snowflake, Redis, Aerospike, Apache Kafka, RabbitMQ, Docker, Kubernetes, and more. With millions of properties listed on our platform, this role presents an exciting opportunity to make a significant impact. Apply now and lead our team to new heights!

Join the forefront of digital security with the world’s most advanced VPN! Are you a driven problem-solver eager to innovate? Become part of the team that developed Threat Protection Pro and the NordLynx protocol, ensuring users enjoy the fastest VPN service while reclaiming their privacy, security, and control online.Your Contribution: Empower millions to regain control over their online privacy, security, and data.About Our Payment Team: We are the backbone of Nord Security’s global business, crafting and maintaining systems that facilitate secure and seamless payment experiences for users worldwide. Collaborating with a diverse array of international payment providers, we tackle challenges associated with high-load environments, intricate payment flows, and recurring subscription payments.This is an ideal environment for engineers who relish solving complex challenges, designing robust systems, and honing their skills. You will develop essential components that influence how customers manage their payments and subscriptions for our globally recognized products.If you seek a team that champions ownership, innovation, and technical mastery, you will find your place here.

Join the forefront of digital privacy with us!As part of the innovative team behind Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN, you will empower millions of users to reclaim their online security, privacy, and control.Your role: You will be integral in developing robust components across multiple platforms, such as Windows, Linux, Android, and Apple.Main Responsibilities:Craft clean, maintainable, and efficient code using Rust.Tackle complex challenges in security, performance, privacy, and networking at scale.Adhere to clean code principles and the highest industry standards.Collaborate with Low-Level Team members to produce secure, high-performance software solutions.Engage and contribute to the open source community surrounding the libtelio library.Ensure code quality by leaving it in a better state than you found it.

Join our innovative R&D team as a Senior or Mid-Level Software Engineer, where you will take charge of enhancing and maintaining existing device programming tools tailored for automotive applications. Your expertise in device communication and firmware programming will be essential, as our software directly interfaces with hardware for firmware flashing, updates, and configuration.Your primary responsibility will involve the modernization of our legacy Delphi 7-based device programming tools, transitioning them to a robust C# / .NET architecture. These applications are pivotal for programming, updating, and configuring automotive device firmware while ensuring reliable communication through various interfaces. Your goal will be to establish a clear, maintainable, and scalable architecture that supports long-term development.Key Responsibilities:Own and enhance existing device programming tools for hardware device configuration and updates.Lead the migration of legacy tools from Delphi to a modern C# / .NET framework.Design, maintain, and optimize software solutions for device communication and firmware workflows.Implement and manage communication layers for hardware devices via Serial (COM), USB, and other interfaces.Refactor existing codebases to ensure clarity, maintainability, and scalability.Diagnose and resolve complex issues related to device communication and firmware interactions.Collaborate closely with firmware, hardware, and R&D engineers to ensure effective device programming and diagnostics.

Join our dynamic team of over 500 skilled professionals at Oxylabs, where we create innovative proxy and web data scraping solutions for some of the most recognized brands worldwide, including Fortune 500 companies.What You Can Expect:As a Mid-Level PHP Developer, you will tackle intricate challenges and manage our extensive infrastructure, which supports over 60PB of monthly data traffic. Your role will involve working with significant metrics, such as: - 6PB+ Ceph storage - 60PB+ monthly data traffic through our systems - 300k+ service requests processed per second - 500k+ Kafka messages streamed per second

Join Nord Security and Shape a Safer Cyber Future!At Nord Security, we empower individuals and organizations to regain control over their online security, privacy, and data. Our innovative solutions, ranging from VPNs and password managers to threat intelligence and eSIMs for travel, are designed to simplify complex challenges and are trusted by millions globally.In this pivotal role, you'll enable users to confidently navigate their online experiences.Key ResponsibilitiesPerform penetration testing on web and backend applications, networking components, and crypto services—whether it’s white, grey, or black box testing, we want your expertise!Utilize your reverse engineering skills to identify vulnerabilities during code reviews of cutting-edge security solutions.Design and develop solutions to address complex security challenges from the ground up.Create scripts and security automation tools to improve penetration testing processes.Collaborate closely with web and backend developers, and other tech enthusiasts, to validate, assess, and understand vulnerabilities, working towards effective mitigation strategies.Share your security knowledge with hundreds of colleagues!Core QualificationsExtensive experience in conducting application security assessments, encompassing planning, testing, and vulnerability reporting.Proficient in using security scanners, static code analyzers, and debugging tools.Solid understanding of networking and cryptographic principles, including TLS, PFS, PKI, and digital certificates.Proven ability to perform manual security code audits.Prior experience with fuzzing, reverse engineering, and exploit development.Experience in collaborating with application developers to validate, assess, and mitigate vulnerabilities effectively.Strong knowledge of application and infrastructure testing methodologies.Familiarity with secure architecture design and assessment, particularly manual penetration testing.Bonus points for contributions to the security community!