Application Security Engineer jobs at Riskified in Portugal, Lisbon

Our Stack: Scala, Node.js, Postgres, Elastic, Redis, AWS, Kafka, Docker, Kubernetes, CircleCI and much more

• Design and develop a highly reliable, available, and scalable architecture for our core services and web applications in a new promising product
• Deploy your code to production daily (we have advanced CI/CD pipelines)
• Be a strong owner of production systems, keeping them running smoothly
• Active part in planning the team roadmap and products
• Collaborating with design and product teams to define and implement new features.

• B.Sc. in Computer Science or equivalent certifications
• 3+ years of proven experience in hands-on server-side coding
• Hands-on experience in React
• Hands-on experience in Node - advantage
• Proven experience in full-stack development, with proficiency in both frontend and backend technologies.
• Strong understanding of databases (SQL, NoSQL) and familiarity with cloud services (AWS, GCP).
• Great attitude - an independent self-learner and a strong team player

Some of our Lisbon Benefits & Perks:

• Hybrid mode of work
• Flexible schedule
• Recharge weekends
• Healthcare & dental benefits
• Fully-stocked kitchens
• Commuter benefits
• Benefits package per month—per your choice, e.g., work-from-home equipment, gym membership, wellbeing activities, and more.
• Wellness program
• Celebrations and activities
• Team events
• Happy hours
• Awesome Riskified gifts and swags
• Volunteer programs
• Personal development
• Global onboarding
• Role-based technical skills training
• Full access to Udemy

Join our dynamic team in the payment fraud group as a Junior Backend Developer, where you’ll contribute to building impactful FinTech products in a rapidly expanding department. In this role, you’ll thrive in an Agile environment, utilizing cutting-edge technologies to develop and optimize scalable systems. You’ll play an essential role in enhancing our ecosystem, collaborating with internal teams to deliver results that make a daily difference in our operations.

Scala, Ruby on Rails, Node.js, React, AWS, Kafka, Docker, Kubernetes, Spark, Aerospike

• Develop and maintain scalable backend architectures that support applied machine learning platforms and other data-driven systems.
• Build and optimize real-time and batch processing systems using typed functional programming languages such as Scala or Java.
• Collaborate with team members to design, implement, and maintain backend components in cloud-based environments.
• Participate in daily code reviews, testing, and deployments, contributing to a reliable CI/CD pipeline.
• Work closely with senior engineers to enhance system performance and ensure code quality.
• Troubleshoot, debug, and resolve production issues with a focus on reliability and scalability.

• 2–3 years of hands-on backend development experience, specifically with typed functional programming languages (e.g., Scala, Java).
• Experience with cloud technologies such as AWS, GCP, or Azure is an advantage.
• Solid understanding of database technologies (SQL and noSQL).

• Familiarity with distributed systems and stream processing technologies (e.g., Apache Kafka, Spark) is a plus.
• Strong commitment to writing clean, maintainable, and scalable code.
• Eagerness to learn and grow in a collaborative environment.
• Experience with Docker, Kubernetes, and Git is advantageous.

Soft Skills:

• Fluent in English, with strong verbal and written communication skills.
• Comfortable working in a hybrid environment, combining remote (Zoom) and in-person collaboration.
• A proactive team player with a problem-solving mindset and willingness to learn from feedback.

As a Junior Backend Engineer, you’ll work on impactful and challenging projects that leverage your skills in typed functional programming. You’ll have the opportunity to collaborate with experienced engineers, grow your expertise in cloud-based development, and contribute to innovative systems that drive real-world results.

Some of our Lisbon Benefits & Perks:

• Hybrid mode of work
• Flexible schedule
• Recharge weekends
• Healthcare & dental benefits
• Fully-stocked kitchens
• Commuter benefits
• Benefits package per month—per your choice, e.g., work-from-home equipment, gym membership, wellbeing activities, and more.
• Wellness program
• Celebrations and activities
• Team events
• Happy hours
• Awesome Riskified gifts and swags
• Volunteer programs
• Personal development
• Global onboarding
• Role-based technical skills training
• Full access to Udemy

Additionally, you'll be responsible for troubleshooting issues as they arise.

Furthermore, you'll periodically provide support, guidance, and training to the development department on how to effectively utilize our tools.

• You will be responsible for the management and optimization of the CI/CD process in the organization, ensuring seamless delivery
• Manage high-scale cloud infrastructure and services, optimizing for performance, stability, cost, and reliability
• Mentor, inspire DevOps and Dev engineers, ensuring high performance and collaboration
• Collaborate across teams to align DevOps and Dev activities with business objectives
• Build and implement internal tools and automations with Golang and Python

• 5+ years as a DevOps or another technological engineer
• Experience with K8S - Must
• Experience with various CI/CD tools - Must (CircleCI, ArgoCD - advantage)
• Experience with git version control and understanding of different codebase management strategies(monorepo vs multi-repos)
• Experience with Helm - Must
• Vast experience with running a large-scale operation on AWS
• Experience with Terraform or similar IAAS tools - advantage
• Experience with Istio service mesh - advantage
• High analytical and troubleshooting skills
• Proficiency in programming/scripting languages (e.g. Golang, Bash, Python)
• Experience with monitoring/observability tools
• Experience with critical production environments with high throughput

Some of our Lisbon Benefits & Perks:

• Hybrid mode of work
• Flexible schedule
• Recharge weekends
• Healthcare & dental benefits
• Fully-stocked kitchens
• Commuter benefits
• Benefits package per month—per your choice, e.g., work-from-home equipment, gym membership, wellbeing activities, and more.
• Wellness program
• Celebrations and activities
• Team events
• Happy hours
• Awesome Riskified gifts and swags
• Volunteer programs
• Personal development
• Global onboarding
• Role-based technical skills training
• Full access to Udemy

Our developers take full ownership, from feature planning with Product and Design to selecting technologies, designing architecture, coding, reviewing, deploying in a CI/CD environment, and monitoring post-deployment.

Our Stack: Scala, Spark, Node.js, Ruby, React, Postgres, Elastic, Redis, AWS, Kafka, Docker, Kubernetes, CircleCI and much more.

• Design and develop a highly reliable, available, and scalable architecture for our core services and web applications in a new promising product
• Deploy your code to production daily (we have advanced CI/CD pipelines)
• Be a strong owner of production systems, keeping them running smoothly
• Active part in planning the team roadmap and products
• Collaborating with design and product teams to define and implement new features

• B.Sc. in Computer Science or equivalent certifications
• 3+ years of proven experience in hands-on server-side coding
• Hands-on experience in React
• Hands-on experience in Node - advantage
• Proven experience in full-stack development, with proficiency in both frontend and backend technologies.
• Strong understanding of databases (SQL, NoSQL) and familiarity with cloud services (AWS, GCP).
• Great attitude - an independent self-learner and a strong team player

Some of our Lisbon Benefits & Perks:

• Hybrid mode of work
• Flexible schedule
• Recharge weekends
• Healthcare & dental benefits
• Fully-stocked kitchens
• Commuter benefits
• Benefits package per month—per your choice, e.g., work-from-home equipment, gym membership, wellbeing activities, and more.
• Wellness program
• Celebrations and activities
• Team events
• Happy hours
• Awesome Riskified gifts and swags
• Volunteer programs
• Personal development
• Global onboarding
• Role-based technical skills training
• Full access to Udemy

• Initiate and improve processes, security tools, and documentation that will support application security requirements
• Identify security gaps in existing and proposed services and products
• Conduct penetration testing and code reviews to identify and address potential vulnerabilities and security risks
• Work closely with development teams to prioritize and resolve application security issues and implement security best practices, frameworks, etc.
• Assist in identifying and responding to security issues in Riskified’s environment

• 3+ years of application security hands-on experience
• Experience conducting penetration testing
• Experience performing security reviews, code reviews and customizing application security solutions
• Strong understanding of common security attacks and their remediation
• Experience with programming languages: Ruby, Scala, Python, JavaScript, etc. (Advantage)
• Ability to work well with developers and product management
• Experience working in high-scale SaaS environment (Advantage)
• Knowledge of microservice architecture, web technologies and APIs (Advantage)
• Ability to explain complex security problems
• Excellent problem-solving skills

Some of our Lisbon Benefits & Perks:

• Hybrid mode of work
• Flexible schedule
• Recharge weekends
• Healthcare & dental benefits
• Fully-stocked kitchens
• Commuter benefits
• Benefits package per month—per your choice, e.g., work-from-home equipment, gym membership, wellbeing activities, and more.
• Wellness program
• Celebrations and activities
• Team events
• Happy hours
• Awesome Riskified gifts and swags
• Volunteer programs
• Personal development
• Global onboarding
• Role-based technical skills training
• Full access to Udemy