Full Stack Software Engineer - Signals Team

Position Overview

We are looking for a Full Stack Software Engineer to join our Signals Team, contributing to the development of secure, scalable applications that support digital identity and authentication services. You’ll work across the stack—from intuitive front-end interfaces to robust backend services—collaborating with experienced engineers and product teams to deliver impactful solutions in a fast-evolving industry.

Signals Team Mission:

Accelerating global expansion with local trusted IDV solutions.

Our team builds and maintains key identity verification products such as Proof of Address, AML (Anti-Money Laundering) checks, eKYC database integrations, and eID integrations—enabling secure onboarding and compliance for users around the world.

Responsibilities

• Develop and maintain full-stack applications using React (TypeScript), Kotlin, Ruby and Python

• Build and integrate APIs and microservices deployed on cloud platforms (AWS, Azure, GCP)

• Collaborate with cross-functional teams to deliver secure, privacy-compliant features aligned with global standards (GDPR, BIPA, CCPA)

• Participate in code reviews, design discussions, and agile ceremonies

• Contribute to improving development workflows, CI/CD pipelines, and system reliability

• Work closely with product and UX teams to deliver seamless user experiences

• Apply secure coding practices and contribute to the implementation of cryptographic protocols

• Stay current with emerging technologies and propose improvements to existing systems

Key Projects You’ll Support

• Enhance Signals products across identity verification, authentication, and secure communications

• Help evolve the architecture of the Signals platform in collaboration with senior engineers

• Contribute to the development of SDKs and APIs for consistent developer experience

• Support real-time data processing and analytics capabilities

• Assist in integrating advanced security features into our applications

Basic Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field

• 3+ years of professional experience in full-stack software development

• Proficiency in React/TypeScript and at least one of the following Python, Kotlin or Ruby

• Experience with cloud infrastructure and containerization (Docker, Kubernetes)

• Familiarity with distributed systems and API design

• Understanding of software security principles and privacy-by-design methodologies

• Experience with agile development and DevOps practices

• Strong communication and collaboration skills

• Familiarity with monitoring tools (Datadog, Sentry, NewRelic)

Preferred Qualifications

• Knowledge of identity protocols (OAuth 2.0, SAML, OpenID Connect)

• Exposure to backend frameworks like Ruby on Rails or Spring

• Understanding of privacy regulations and their technical implications

• Experience with mobile app security and secure SDK development

Location:

• This is a hybrid/remote role based in Lisbon, Portugal or London, UK. If you live within one hour of either office, you’ll be expected to work hybrid. For candidates located more than one hour away, a fully remote option is available.