Senior Full Stack Software Engineer

Entrust; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading technology company based in the UK is seeking a skilled software engineer to join their team. The successful candidate will work on building and maintaining scalable systems using TypeScript and frameworks like React, as well as backend technologies such as Kotlin, Python, and Ruby. Responsibilities include collaborating with cross-functional teams, championing privacy and security, and taking ownership of projects. The role offers hybrid working opportunities for employees in Lisbon or fully remote for those outside.

Qualifications

• Minimum 4 years of professional experience in software engineering.
• Proven expertise in at least one modern front-end framework.
• Demonstrated ability to design scalable, secure systems.

Responsibilities

• Collaborate with designers, managers, and engineers.
• Prototype and iterate solutions to meet performance standards.
• Take ownership of projects from ideation to delivery.

Skills

Frontend Technologies (TypeScript, React)

Backend Technologies (Kotlin, Python, Ruby)

Automated Testing

Agile Methodologies

Collaboration Skills

Education

Degree in Engineering, Computer Science, Mathematics or related field

Tools

Kubernetes

Docker

AWS

GitLab

Job description

Responsibilities

• Collaborate closely with product designers, product managers, and engineers to deliver end‑to‑end experiences that delight customers.
• Design, build, and maintain robust systems, from intuitive frontends using TypeScript and frameworks like React to scalable backends powering public APIs and data processing pipelines.
• Prototype and iterate solutions to ensure they are impactful, polished, and meet our performance, reliability, and accessibility standards.
• Support multiple devices, browsers, and platforms while adhering to accessibility best practices.

Privacy, Security, and Quality

• Champion privacy and security in every product, ensuring they meet the highest standards of customer data protection.
• Write automated tests, develop resilient code, and design robust systems to improve reliability and safety.

Ownership and Collaboration

• Take ownership of projects from ideation through system design to execution and delivery.
• Collaborate across teams to build scalable solutions that address both front‑end and back‑end challenges.

Foster a culture of inclusivity, collaboration, and continuous improvement

• Guide and mentor engineers, helping them manage technical debt, plan refactors, and improve engineering practices.

What We Value

• A great understanding of modern frontend technologies (e.g., TypeScript and React) and backend technologies.
• A strong ability to design and build for scalability, reliability, and performance across the stack.
• A commitment to privacy and security as core principles in product design and development.
• A proactive approach to continuous learning and improvement, paired with a desire to mentor and support others.
• A deep appreciation for trust, ownership, and rapid iteration as we solve challenging problems in identity verification.

Qualifications

• Minimum 4 years of professional experience in software engineering, with significant exposure to both backend and frontend development.
• Proven expertise in at least one modern front‑end framework (e.g., React) and backend technologies.
• Demonstrated ability to design and implement scalable, secure, and high‑performing systems across the stack.
• Strong knowledge of software development best practices, including automated testing, code reviews, and agile methodologies.
• Must be able to lawfully work within Portugal and have unrestricted work authorization for Portugal.

Preferred Qualifications

• A degree in Engineering, Computer Science, Mathematics, or a related field.
• Experience building accessible and user‑friendly interfaces while adhering to privacy and security standards.
• Familiarity with cloud infrastructure and CI/CD pipelines.
Strong communication and collaboration skills, with a proven ability to mentor and guide less experienced engineers.
• Passion for solving challenging problems in identity verification or a related domain.
• This role requires a combination of technical expertise, collaboration, and a commitment to building secure, scalable, and user‑focused solutions.

Tech Stack

• Backend: mostly Kotlin, Python and Ruby.
• Frontend: React and TypeScript.
• Kubernetes and Docker for deployment.
• AWS for underlying infrastructure.
• GitLab for software lifecycle management.

Location

Hybrid for Lisbon‑based employees or fully remote for those outside Lisbon.

Recruiter

Jack Steib
[e-mail]

EEO Statement

Entrust is an EEO/AA/Disabled/Veterans Employer.