Senior Full Stack Developer focusing on integration methods for Solink's video security data platform. Working across the full stack with TypeScript, Node.js, and cloud technologies.
About the role
- Principal Engineer overseeing system design and platform evolution at Picnic. Focus on scalable and cost-efficient infrastructure amidst growing complexity.
Responsibilities
- Act as architectural steward of the platform, ensuring scalability, reliability, performance, and cost efficiency as complexity increases
- Design and evolve backend systems, data pipelines, real-time services, and APIs to support both internal capabilities and external customers
- Introduce clear engineering principles and patterns to reduce duplication and architectural drift across workstreams
- Strengthen AWS architecture and cloud cost efficiency through thoughtful service design, right-sizing, and operational discipline
- Drive best practices around system design, observability, automation, CI/CD, and production operations
- Embed AI-native development workflows across the team - using LLMs and agents effectively for code generation, testing, refactoring, documentation, and experimentation
- Stay close to the systems and codebase, contributing directly to critical components and unblocking complex technical challenges
- Act as a senior technical escalation point, supporting engineers in making strong system-level decisions
Requirements
- Proven hands-on experience delivering and operating backend or distributed systems in a startup or scale-up environment
- Deeply experienced in cloud architecture, particularly within AWS
- Worked across product engineering, infrastructure, and data systems
- Confident designing systems that balance short-term delivery with long-term maintainability
- Comfortable integrating AI tools and agent workflows into engineering practice
- Strong judgement around trade-offs, technical debt, and operational risk
- Clear communication with technical and non-technical stakeholders
- Experience in advertising technology is a bonus!
Benefits
- Flexible, hybrid working setup (with regular time in the office throughout the week so you will live in or around London)
- 33 days holiday (inclusive of Bank Holidays), plus additional Christmas shutdown
- Private Medical Insurance through Vitality
- Picnic pension contribution
- Inclusive parental leave policy
- A great co-working space, regular socials and offsites, Picnic Thursdays, Summer Fridays, and Work-from-Roam opportunities
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
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