Senior Software Engineer

About Us Cobalt Streamworks is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Cobalt Streamworks meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Cobalt Streamworks X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response. Cobalt Streamworks offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats. Cobalt Streamworks goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. Cobalt Streamworks is headquartered in Oxford, U.K. More information is available at www.sophos.com . Role Summary Our Cobalt Streamworks ZTNA Team is looking for developers who possess excellent programming skills and have prior experience in network security field. We are looking for a backend developer for managing and advancing our cloud-based network security platform that handles tens of thousands of devices and customers. You will build features from the ground up using sound design principles around security and scale. What you will do Be able to interact with product managers to define the feature and write clear functional specs. Work with the frontend team to define the API contracts for the backend services. Work on critical field escalations and drive closure. Work on prototypes that are pre-cursors to features on the product roadmap. What you will bring Must have 7-10 years of total working experience as a backend developer working on below skills. Working with commercial software using either Java Springboot / Golang / C / C++ 2+ years' experience working with containers & microservices (e.g., Docker, Kubernetes environments). In depth knowledge of different networking protocols (e.g. HTTP/HTTPS, TCP/IP) Excellent design skills using principles of reuse, modularity, scale, etc. Excellent understanding of data structures and algorithms. Good understanding of, Microservice architecture, AWS cloud infrastructure, SQL and NoSQL databases. Experience working on Networking or Network Security domain is mandatory. Bachelor's degree in Computer Science (or related field) #B2 Ready to Join Us? At Cobalt Streamworks , we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don't check every box in a job description. We challenge that notion. Your unique experiences and skills might be exactly what we need to enhance our team. Don't let a checklist hold you back – we encourage you to apply. What's Great About Cobalt Streamworks ? · Cobalt Streamworks operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. While we are a remote first organization, applicants must have legal authorization to work in the jurisdiction where the position is posted, without requiring employer sponsorship. · Our people – we innovate and create, all of which are accompanied by a great sense of fun and team spirit · Employee-led diversity and inclusion networks that build community and provide education and advocacy · Annual charity and fundraising initiatives and volunteer days for employees to support local communities · Global employee sustainability initiatives to reduce our environmental footprint · Global fitness and trivia competitions to keep our bodies and minds sharp · Global wellbeing days for employees to relax and recharge · Monthly wellbeing webinars and training to support employee health and wellbeing Our Commitment To You We’re proud of the diverse and inclusive environment we have at Cobalt Streamworks , and we’re committed to ensuring equality of opportunity. We believe that diversity, combined with excellence, builds a better Cobalt Streamworks , so we encourage applicants who can contribute to the diversity of our team. All applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, sex, gender reassignment, marital status, race, religion or belief, color, age, military veteran status, disability, pregnancy, maternity or sexual orientation. We want to give you every opportunity to show us your best self, so if there are any adjustments we could make to the recruitment and selection process to support you, please let us know