
51 - 200 employees
🔒 Cybersecurity
📚 Education
☁️ SaaS
💰 Seed on 2020-04
Cybersecurity • Education • SaaS
SecureFlag is a hands-on secure coding training platform for developers, DevOps, cloud, and QA engineers. It delivers virtualized development environments and thousands of real-world labs covering 45+ technologies and 150+ vulnerability types to help organizations reduce security rework and accelerate secure software delivery. Delivered as an enterprise-focused SaaS with tailored customer success services and ISO27001 certification, SecureFlag focuses on practical, in-environment training to lower vulnerability counts and remediation time.
🕒 July 13
Improve your chances of getting an interview by checking your resume score before you apply.

51 - 200 employees
🔒 Cybersecurity
📚 Education
☁️ SaaS
💰 Seed on 2020-04
Cybersecurity • Education • SaaS
SecureFlag is a hands-on secure coding training platform for developers, DevOps, cloud, and QA engineers. It delivers virtualized development environments and thousands of real-world labs covering 45+ technologies and 150+ vulnerability types to help organizations reduce security rework and accelerate secure software delivery. Delivered as an enterprise-focused SaaS with tailored customer success services and ISO27001 certification, SecureFlag focuses on practical, in-environment training to lower vulnerability counts and remediation time.
• Design and development of the SecureFlag backend platform. • Maintenance and enhancement of the existing platform. • Development and maintenance of automated tests and CI pipelines. • Work closely with the engineering team. • Track, reproduce, troubleshoot, and provide logical solutions to issues. • Operate in a fast-paced, multi-tasking, small team environment. • Become familiar with the application security industry best practices and SecureFlag's mission to inspire learning engagement, resulting in better, more secure code.
• 6+ years of hands-on experience in developing complex applications in Java. • In-depth knowledge of Hibernate with troubleshooting skills in identifying and solving performance bottlenecks. • Competency in understanding and improving large pattern-based and scalable Java applications based on microservices. • Competency in identifying independently the code areas that require improvements and implementation of new functionalities. • Familiarity with development tools such as Git, Docker, and CI pipelines. • Familiarity with microservices architecture based on Amazon Elastic Container Service (ECS). • Experience in implementing automated testing is a plus. • Good English language skills. • Ability to work independently with little or no daily supervision. • Strong interpersonal skills and willingness to communicate with colleagues and management. • Good time management skills, including prioritizing, scheduling, and adapting as necessary.
• The position is fully remote, with the chance of joining our company events in London and the security conferences that SecureFlag sponsors around the world. • Flexible working hours. • Dedicated training budget. • Work in a young and dynamic environment that encourages curiosity and new ideas.
Apply Now🕒 July 10
Senior Software Engineer at One Identity focusing on standardizing API development through automation and tooling. Collaborating with teams to enhance API consistency and improve developer workflows.
🕒 July 9
Senior Software Engineer developing Python connectors and integrations for ClickHouse's data ecosystem. Collaborating with teams to enhance real-time analytics and AI workloads through open-source contributions.
🕒 July 1
Senior Backend Engineer developing and optimizing robust solutions for Hopper's lodging and cars division. Contributing to technical integrations and enhancing performance in a microservices environment.
🇬🇧 United Kingdom – Remote
💰 $96M Venture Round on 2022-11
⏰ Full Time
🟠 Senior
🔙 Backend Engineer
🇬🇧 UK Skilled Worker Visa Sponsor
🕒 July 1
Lead Backend Engineer managing critical payment systems and leading teams at fintech startup. Designing and implementing Python backend services for transaction reliability and efficiency.
🇬🇧 United Kingdom – Remote
💰 $3M Equity Crowdfunding - InvestEngine on 2023-03
⏰ Full Time
🟠 Senior
🔙 Backend Engineer
🇬🇧 UK Skilled Worker Visa Sponsor
🗣️🇷🇺 Russian Required
🕒 June 23
Senior Backend Engineer working on Teleport's Core Product, focused on scalability and performance in large deployments. Engaging directly with customers to enhance system reliability and quality throughout the product lifecycle.
🇬🇧 United Kingdom – Remote
💵 £144k - £204.6k / year
💰 $110M Series C - Teleport on 2022-05
⏰ Full Time
🟠 Senior
🔙 Backend Engineer