Senior Python Engineer

Sophos (Ottawa ON, Canada) Follow 1 day ago

Full-time

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As a member of the Sophos Agentic AI team, the Senior Software Engineer II plays a key role in shaping and delivering AI-powered cybersecurity solutions. This role works closely with engineers, architects, product management, and cross‑functional stakeholders to drive the team’s vision at scale
The Senior Software Engineer II contributes as a hands‑on developer while also providing broader technical leadership — setting direction for architecture and design, mentoring peers, and influencing multiple projects or services
An ideal candidate will have a proven track record of building complex, scalable systems and a deep interest in Generative AI and its applications in cybersecurity. Experience with AI agents, or applied LLMs is highly valued, along with the ability to anticipate challenges, drive technical strategy, and solve real‑world security problems using cutting‑edge technology
Collaborate with engineering leadership, architects, product management, and cross‑functional teams to define technical direction and feature priorities
Design and implement scalable, cloud‑native microservices and REST APIs using Python, FastAPI, and Celery
Build AI‑powered applications as well as the platforms and services that enable their development, deployment, and operation
Integrate and optimize data systems including Postgres, Redis, and Elasticsearch to support high‑performance AI and cybersecurity workloads
Partner effectively with Product Management, DevOps, QA, and fellow developers to deliver solutions that meet both technical excellence and customer needs
Take end‑to‑end ownership of major features or projects from design through deployment and monitoring, working with a high degree of autonomy
Provide technical mentorship and guidance to less‑experienced engineers, helping them grow their skills and deliver high‑quality code
Influence architecture and design decisions across multiple services or projects, ensuring scalability, reliability, and alignment with long‑term product strategy
Stay current with advances in Generative AI, cloud technologies, and cybersecurity, and bring forward ideas to keep the platform at the cutting edge
Work with Kubernetes, CI/CD pipelines, event‑driven systems, and large‑scale data processing to deliver robust, reliable services

Benefits

We encourage teams to get together in person periodically to help facilitate teamwork
Remote‑first working model & hybrid options
Flexible start and end times for many roles
Leadership development program
Access to LinkedIn Learning
Global internal coaching program (Coach Match)
Periodic Sophos wellness days off for all Sophos to help employees relax and recharge
Global wellbeing program, which offers a range of wellbeing resources, including Sophos Wellbeing Webinars, Stress Management Toolkits, and Developing Resilience Courses
Free Employee Assistance Program (EAP) for confidential advice and counseling on a wide range of work and personal issues
Free annual subscription to the Calm app
Paid parental leave, caregiver leave & bereavement/compassion leave available
We host some unforgettable social experiences for our global teams including our music festival SOPH-Fest, go‑karting, Sophmudder, and incredible holiday parties!
Our annual global fitness challenge, SOPH-Fit, sees thousands of employees taking part in our virtual global race around the world
Each quarter, we celebrate our exceptional global team by running the Sophos Values Awards, which recognizes and rewards employees who embody the Sophos values and who we are as a company
Health care benefits available worldwide

Qualifications

Proven experience mentoring junior and mid‑level engineers, fostering a culture of learning and continuous improvement
Strong Python development skills, with experience in FastAPI or other web frameworks
BS in Computer Science or equivalent experience
Familiarity with Agentic Coding tools like Claude code, Cursor, Codex, etc.
Hands‑on experience building and operating cloud‑native applications on AWS (EKS, Lambda, S3, Bedrock, etc.)
Excellent communication skills, with the ability to collaborate across engineering, product, and research teams
Proficiency in SQL and NoSQL databases (Postgres, Redis) and experience integrating search platforms like Elasticsearch
Demonstrated ability to own large features or projects end‑to‑end; from design and implementation to deployment and monitoring, with a strong sense of accountability
Able to work autonomously while taking initiative to suggest improvements, propose new ideas, and drive features forward with minimal oversight
Familiarity with Agile/Scrum methodologies and iterative software delivery
Comfort with Unix/Linux environments and modern development workflows
5+ years of professional software development experience, including designing and building scalable microservices and REST APIs
Demonstrated ability to shape technical direction at a broader scope — contributing to system architecture, cross‑team initiatives, and long‑term technology strategy
Solid understanding of containerization and orchestration (Docker, Kubernetes)
Strong problem‑solving skills with the ability to troubleshoot and debug complex distributed systems
Experience integrating and deploying Generative AI or LLM‑powered solutions
Understanding of AI agent architectures, retrieval‑augmented generation (RAG), and conversational AI systems
Exposure to cybersecurity products (XDR, MDR, SIEM, SOAR) or adjacent security technologies
A passion for learning and experimenting with emerging AI technologies, and translating them into impactful customer‑facing features
At Sophos, 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