Senior Software Engineer - Surface Engineering

CrowdStrike; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading cybersecurity firm in the United Kingdom seeks a Sr. Cloud Software Engineer to join its Surface Engineering Team. The role involves building scalable cloud ecosystems using Golang and Python, working alongside a collaborative team on high-quality coding practices. Ideal candidates will have at least 5 years of experience in system delivery and a strong understanding of engineering principles. The company offers competitive compensation, wellness programs, and a vibrant workplace culture.

Benefits

Market leader in compensation

Comprehensive wellness programs

Competitive vacation and holidays

Paid parental leaves

Professional development opportunities

Great Place to Work Certified™

Qualifications

• Minimum 5 years of experience in building and maintaining systems at scale.
• Understanding of engineering best practices for testing and code reviews.
• Ability to thrive in a collaborative, test-driven environment.

Responsibilities

• Develop backend microservices for cloud-based systems.
• Collaborate with various teams to implement solutions.
• Mentor junior developers in coding best practices.

Skills

Golang

Python

Team player

Understanding of distributed systems

Education

Degree in Computer Science or related field

Tools

AWS

Docker

Kubernetes

ElasticSearch

Job description

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI‑native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We’re also a mission‑driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. We’re always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters? The future of cybersecurity starts with you.

About the Role

We’re looking for a Sr. Cloud Software Engineer to join our growing Surface Engineering Team. Our new colleague will be responsible for building globally distributed, fault‑tolerant, and highly scalable cloud ecosystems using Golang & Python. Prior experience with Golang or Python is not required, but will be helpful.

About the team

You will be joining the EASM Engineering team a.k.a. CrowdStrike Falcon Surface.

Falcon Surface pinpoints unknown, exposed internet‑facing assets so security teams can best secure their digital perimeter. It enables security teams to detect, prioritize, and manage all of their exposed internet‑facing assets that are centralized or remote across on‑premise environments, subsidiary, cloud and third‑party vendors with no agents or deployment required.

More information about Falcon Surface:

https://www.crowdstrike.com/en-us/platform/exposure-management/easm/

https://www.youtube.com/watch?v=J1uIKO848DU

What You’ll Do

• Work‑on and enrich backend microservices – From researching areas of concern to implementing the final solution.
• Leverage existing CrowdStrike tools and services to build cloud‑based systems to help detect targeted attacks.
• Brainstorm, Research, Define, Communicate, Build and Lead collaboratively with members across multiple teams.
• Committed to learning and improving.
• Be aware of our customers and the difficulties they face and how we can support them.
• A strong focus on Quality of Coding through Best Practices, Testing, Logging and Metrics.
• Work in a Collaborating & Agile environment with a small fast‑moving team.
• Be prepared to mentor other developers on web, backend and data storage technologies and our system and vice‑versa.
• Be aware of our product to improve architecture, knowledge models, user experience, performance, and stability.
• Be given the autonomy to own your work in a high trust environment.

Tech Stack

In‑depth knowledge of all is not required, but the ability to ramp‑up and learn is required.

• Go (Golang)
• Python
• AWS Redis / S3 / EC2 / Lambda
• OpenSearch (ElasticSearch)
• Docker
• Kubernetes
• Kafka
• GIT
• Cassandra

What You’ll Need

• Degree in Computer Science (or professional experience in data structures/algorithms/distributed systems).
• A minimum of 5 years of production‑level experience in building, delivering, and maintaining systems at scale
• Understanding scalability and distributed systems i.e. sharding, partitioning, concurrency, etc.
• Being a team player.
• A thorough understanding of engineering best practices from appropriate testing paradigms to effective peer code reviews and resilient architecture.
• The ability to thrive in a test‑driven, collaborative, and iterative programming environment.
• The skills to meet your commitments on time and produce high‑quality software that is unit tested, code reviewed and checked in regularly for continuous integration.

Bonus Points

• Existing exposure to Python, Go, AWS, Cassandra, Kafka, Elasticsearch.
• Prior experience in the cybersecurity or intelligence fields.
• Front‑end experience

Benefits of Working at CrowdStrike

• Market leader in compensation and equity awards
• Comprehensive physical and mental wellness programs
• Competitive vacation and holidays for recharge
• Paid parental and adoption leaves
• Professional development opportunities for all employees regardless of level or role
• Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections
• Vibrant office culture with world class amenities
• Great Place to Work Certified™ across the globe

#LI-MZ1

CrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program.

CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy‑related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions—including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay‑offs, return from lay‑off, terminations and social/recreational programs—on valid job requirements.

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