We are looking for a proactive, communicative Senior Backend Engineer (Python) with a strong end-to-end mindset to join a new remote team working on an innovative cybersecurity product.
In this role, you will be directly involved in building backend services from scratch, shaping architecture, and delivering high-impact features for a new AI-driven security solution. You will work closely with technical leadership and product stakeholders, taking full ownership of your work.
If you enjoy autonomy, responsibility, and building real products that matter — this role is for you. Responsibilities * Design and develop backend services for a new cybersecurity product * Build scalable microservices and APIs from scratch * Take full ownership of features from early requirements to production delivery * Collaborate closely with Engineering and Product teams * Work on integrations with third-party systems and service providers * Contribute to cloud architecture and infrastructure decisions * Write clean, scalable, and maintainable Python code * Ensure high performance, availability, and reliability of backend systems * Proactively communicate progress, risks, and technical decisions * Participate in architecture, code, and operational reviews
Requirements * A minimum of 5 years of hands-on backend development experience * 3–4+ years of strong Python experience (Django / FastAPI / SQLAlchemy is a plus) * Proven experience designing and implementing robust, scalable production systems * Strong proficiency with SQL and NoSQL databases (PostgreSQL, VectorDB) * Experience working with cloud platforms, preferably AWS * Hands-on experience building services and systems from scratch * Experience with cloud architecture and managed services (SQS, SNS, EKS, S3, SES, etc.) * Ability to manage requirements and deliver features end to end * Upper-Intermediate English with strong verbal communication skills
Will be a plus * Experience with LLMs or AI-based systems * Familiarity with AI-assisted development tools * Kubernetes / Docker / CI/CD experience * Background in SaaS or large-scale cloud products * Mentorship experience
What we offer * Competitive compensation * Medical insurance * Top equipment kit * Full Remote work * Long-term cooperation * Standard Newxel benefits package * Professional, collaborative, and mature engineering environment * Career growth and development opportunities
About the project A global anti-phishing technology company is building a new AI-powered cybersecurity product focused on protecting businesses from fraud, phishing, and deepfake impersonation attacks. The product leverages microservices architecture, cloud-native infrastructure, and AI / LLM-based technologies, including video and audio analysis to verify the authenticity of communication. This is a greenfield initiative with integrations into an existing monolithic platform, offering the opportunity to influence architecture and product direction from an early stage.
What Makes This Project Interesting * Opportunity to work on a completely new product in the cybersecurity domain * Hands-on work with cutting-edge technologies: AI, LLMs, video and audio analysis * Build microservices from scratch and participate in architectural decision-making * Full development cycle: from task definition to delivery * High ownership, visibility, and impact on the final product
