Lead AWS Engineer (Global Edge Infrastructure Specialist)

About Justera Group
Justera Group AB is a leading Swedish IT consulting firm with great experience specializing in building high-performing technology teams and delivering end-to-end IT solutions. Led by dynamic female executives, Justera Group focuses on helping businesses harness the power of digital technologies to continuously evolve in today’s rapidly changing economy. The company has deep expertise in IT consultancy, software development, and recruitment services, providing clients with purpose-driven, well-trained consultants who consistently deliver efficient and effective results. Justera Group manages the entire talent lifecycle, from hiring to ongoing management, ensuring the right fit for each project on time and within budget. With their strong commitment to quality, collaboration, and client success, Justera Group is a trusted partner for technology innovation across Sweden.
About the Role:
This role requires deep hands-on expertise in designing, operating, and securing large-scale internet-facing infrastructure on AWS, where performance, resilience, and cyber security are business-critical.
The consultant will play a key role in standardizing and scaling edge architecture, ensuring high availability during extreme traffic peaks, and protecting services from security threats at global scale.
This is not a general backend or observability role. The focus is production-grade Global Edge delivery and protection of high-traffic web platforms.

Key Responsibilities:

Design, implement, and operate global edge architecture using AWS services


Own and optimize CloudFront distributions for high-traffic, latency-sensitive web applications


Design and manage AWS WAF security controls, including rule development, tuning, and threat mitigation


Build and maintain infrastructure using AWS Cloud Development Kit (CDK) in TypeScript


Improve platform resilience, scalability, and performance across global regions


Implement protections against large-scale attacks (e.g. DDoS, traffic spikes, abusive patterns)


Analyze traffic behavior and continuously optimize caching, routing, and security policies


Contribute to standardization and automation of global public infrastructure


Collaborate closely with engineering teams to support secure and performant delivery of web applications


Requirements:
Global Edge Infrastructure (Deep Hands-On)

Proven ownership of large-scale public web infrastructure running globally


Experience operating platforms with very high traffic volumes and strict uptime requirements


Demonstrated work with performance optimization, resilience engineering, and traffic surge handling


Real production experience managing security events at the edge


AWS Edge Services

Expert-level experience with CloudFront in production environments

Distribution design and optimization


Caching strategies and origin architecture


Performance tuning and troubleshooting



Expert-level experience with AWS WAF

Rule design and lifecycle management


Threat detection and mitigation


Security hardening for internet-facing services



Infrastructure as Code & Engineering

Strong hands-on experience with AWS CDK


TypeScript as primary engineering language


Ability to design and maintain infrastructure programmatically at scale


Production Ownership

Experience running mission-critical services where edge infrastructure directly impacts business outcomes


Experience supporting major traffic events (e.g. campaigns, peak seasons, global launches)


Strong operational mindset with incident handling and continuous improvement


Highly Valuable Experience

Operating high-volume commercial or consumer-facing web platforms


Edge performance engineering and latency optimization


Advanced caching strategies and origin shielding


Security engineering at CDN / edge layer


Automation and standardization of public infrastructure at scale


Profile Characteristics

Deep specialist rather than generalist cloud engineer


Strong engineering mindset with real production accountability


Comfortable working in highly mature technical environments with expert peers


Able to operate independently in complex global infrastructure landscapes




Start date: 09.03.2026


Language: English/Full professional


Seniority: Senior


What We Offer:

A dynamic and innovative workplace driving advancements in cutting-edge robotic technologies


The opportunity to collaborate with talented cross-functional teams on meaningful and impactful projects


Competitive compensation and comprehensive benefits package


A supportive culture that fosters continuous learning, growth, and professional development


Flexible hybrid working model for an optimal work-life balance


25 days of annual leave to recharge and relax


An annual wellness allowance of 3,500 SEK to support your health and wellbeing


Öppen för alla
Vi fokuserar på din kompetens, inte dina övriga förutsättningar. Vi är öppna för att anpassa rollen eller arbetsplatsen efter dina behov.