Backend Team Lead

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.