Backend Team Lead

Description A leading and innovative company in the field of cyber threat intelligence is looking for a Backend Team Lead to join our growing engineering group and lead one of our core backend teams. In this role, you will lead a team responsible for building and scaling mission critical backend services that power KELA’s intelligence platform handling large volumes of data, complex pipelines and high-availability systems. You will combine people leadership with hands-on technical leadership, working closely with product, research and operations to deliver reliable, scalable solutions that directly support the company’s growth and business goals. What You’ll Be Doing Lead and grow a backend engineering team, creating a culture of ownership, quality, and continuous improvement. Own the design, development, and delivery of backend services, APIs and data pipelines in a cloud-native, microservices-based environment. Work closely with Product, Research, and Operations to translate business and intelligence needs into scalable technical solutions. Drive technical and architectural decisions within your domain, balancing performance, reliability, and cost. Maintain high engineering standards through code reviews, testing, and CI/CD best practices. Be hands-on in the code (around 50-60%), leading by example. Take full ownership of your team’s roadmap, delivery, and technical health. Technology stack includes: C#, NestJS, Kubernetes, Kafka, and various relational and non-relational databases, Elasticsearch. Requirements Minimum 4 years of experience as a backend or software engineer. 1-2 years of experience leading or owning technical delivery for other engineers. C# experience or strong background in other object-oriented languages with solid OOP fundamentals Experience with both relational databases (such as MySQL, PostgreSQL, etc) and non-relational (such as MongoDB, Elasticsearch, etc) Experience working with AWS or similar cloud platforms. Experience with Docker and Kubernetes. Strong understanding of microservices, APIs, and backend system design. Ability to balance people leadership with hands-on technical work. Strong communication skills and a high sense of ownership. Full professional proficiency in English. Additional Skills Proven experience building production-grade backend systems in distributed, cloud-based environments using Java / NestJS / Python. Familiarity with DevOps operations in AWS, CI/CD, monitoring, and production reliability. Experience in cybersecurity, data scraping, or OSINT. Background in startup or scale-up environments. Why KELA? Make a real impact by building cybersecurity and threat intelligence products used by governments, MSSPs, and enterprises worldwide. Join a fast-growing, mission-driven company at the forefront of cyber threat intelligence. Work on complex, high-scale engineering challenges involving massive data and critical systems. Be part of a highly skilled team of engineers, researchers, and security experts.