Full Stack Engineer & DevOps (Greater London)

About us

We, at Portofino Technologies, are a leading crypto-native market maker for digital assets. We source liquidity for exchanges, crypto projects and crypto investors with our cutting-edge technology, unique market insight and state-of-the-art execution framework.

We are driven by passion, defined by determination and powered by creativity. Innovation and resilience are at the core of everything we do - enabling us to navigate complexity with precision and agility. Together, we deliver high-impact solutions that raise the bar for what’s possible. With integrity as our foundation and commitment as our compass, we are shaping the future of financial ecosystems.

At the heart of what we do lays our proprietary Tech infrastructure leveraging on principles of high-frequency trading to offer top-range execution and market making services.

About the Role

We are seeking a versatile and experienced Full Stack Engineer to join our growing technology team. The ideal candidate will have strong experience with Python, frontend capabilities using JavaScript or Node.js, and proven DevOps skills within the AWS ecosystem. Familiarity with C++ is a bonus, especially for systems integration or performance-critical modules.

This is a key role where you'll help architect, build, and deploy full-stack solutions that power our platform, with end-to-end responsibility from development through production.

Key Responsibilities

• Design and implement backend services and APIs using Python (e.g., FastAPI, Django, Flask)
• Build interactive, responsive UIs and server-side applications using JavaScript/Node.js (React preferred)
• Integrate frontend and backend components to deliver seamless user and data experiences
• Manage cloud infrastructure and deployments using AWS services (e.g., EC2, ECS/EKS, Lambda, S3, RDS, IAM)
• Set up and maintain CI/CD pipelines, infrastructure-as-code (e.g., Terraform, CloudFormation)
• Collaborate with product managers, designers, and other engineers to ship features from ideation to production
• Monitor and troubleshoot application performance and production issues
• Apply security best practices throughout the stack

Required Qualifications

• 3–6+ years of professional experience as a full stack engineer or backend-focused developer
• Strong programming experience with Python (including RESTful APIs, async programming, ORMs, etc.)
• Solid knowledge of JavaScript/Node.js for frontend and/or backend development
• Hands-on DevOps experience in AWS, including managing cloud environments and automating deployments
• Experience with Docker, CI/CD (GitLab CI, Jenkins, etc.), and log/monitoring tools (CloudWatch, ELK, etc.)
• Proficient with Git, automated testing, and Agile workflows

Preferred Qualifications

• Working knowledge of C++, particularly for integration with performance-critical or legacy systems
• Familiarity with frontend frameworks (React, Vue.js, or Angular)
• Experience with databases (PostgreSQL, DynamoDB, Redis, etc.)
• Exposure to microservices, messaging queues (Kafka, SQS), and event-driven architecture
• Understanding of authentication (OAuth2, JWT), API security, and access control
• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent practical experience)

Traits We Value

• Precision, performance obsession, and craftsmanship in code
• Excellent problem-solving and debugging skills
• Strong communication and collaboration within cross-functional teams
• Detail-oriented with a strong sense of ownership and accountability
• Ability to thrive in a fast-paced, evolving environment with minimal supervision

Why Join Us

• Competitive salary and performance-based bonus
• Remote flexibility and modern tech stack
• AWS-powered infrastructure and support for DevOps tooling
• Learning and development budget
• Collaborative team culture and opportunity to impact product direction