Senior Full Stack Software Engineer

Entrust Datacard; City Of London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading security solutions provider is seeking a Senior Full Stack Engineer to join their SDK team. This role involves collaboration on building secure and effective identity verification systems. Ideal candidates have 4+ years of experience in software engineering, strong knowledge of frontend and backend technologies, and a passion for privacy and security. The position accommodates both hybrid and fully remote work options, offering competitive benefits and opportunities for career growth.

Benefits

25 days annual leave plus a birthday day off

Two paid volunteering days per year

Private Medical + Dental Insurance

Life Assurance (3x Annual Base Salary)

Generous paid parental leave

Monthly life enrichment allowance

Expense for workstation setup equipment

Qualifications

• Minimum 4 years of professional experience in software engineering.
• Proven expertise in at least one modern frontend framework (e.g., React) and backend technologies (e.g., Node.js).
• Ability to design and implement scalable, secure, and high-performing systems across the stack.

Responsibilities

• Collaborate with product designers and engineers to deliver end-to-end experiences.
• Design, build, and maintain robust frontend and backend systems.
• Champion privacy and security in every product.

Skills

TypeScript

React

Python

Kotlin

Node.js

REST APIs

Education

Degree in Engineering, Computer Science, Mathematics, or related field

Tools

Kubernetes

Docker

AWS

Job description

Overview

Join us at Entrust

At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.

Get to Know Us

Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. Our people drive our success through curiosity, dedication, and innovation.

As a Senior Full stack Engineer for the SDK team, you will join a talented and collaborative team dedicated to building resilient, scalable, and delightful systems and experiences for our customers. You will work on impactful projects that shape how we solve complex identity verification challenges in an online world, leveraging frontend and backend expertise.

You will play a key role in delivering high-quality, polished products by combining robust system design, seamless user interfaces, and backend reliability. This role offers an exciting opportunity to address the growing demand for secure and seamless online identity verification.

Responsibilities

The SDK team develops a variety of web and native SDKs, embedded into customer applications to help users prove their identity. The team focuses on image capture quality, accessibility, customization, and reducing friction for end-users.

As a Senior Full Stack Engineer for the SDK team, you will:

Product Development

• Collaborate with product designers, product managers, and engineers to deliver end-to-end experiences that delight customers.
• Design, build, and maintain robust systems, from frontend 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 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.

Ownership and Collaboration

• Foster a culture of inclusivity, collaboration, and continuous improvement through participation in retrospectives and feedback.
• Guide and mentor engineers, helping them manage technical debt, plan refactors, and improve engineering practices.

What We Value

• A strong understanding of modern frontend technologies (TypeScript, React) and backend technologies (Python, Kotlin, Node.js, REST APIs, data pipelines).
• Ability to design and build for scalability, reliability, and performance across the stack.
• Commitment to privacy and security as core principles in product design and development.
• Proactive approach to continuous learning and improvement, with a desire to mentor and support others.
• Appreciation for trust, ownership, and rapid iteration in identity verification challenges.

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 frontend framework (e.g., React) and backend technologies (e.g., Node.js, REST APIs).
• 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.
• A combination of technical expertise, collaboration, and a commitment to building secure, scalable, and user-focused solutions.

Tech Stack

We are technology agnostic at Entrust. We are not looking for experience in all these technologies. If you're open to learning, please apply. Below is a detailed breakdown of all the technologies we use.

• Backend: Kotlin, Python, and Ruby (you don’t need to excel in all three)
• Frontend: React and TypeScript
• Kubernetes and Docker for deployment
• AWS for infrastructure (Aurora, Redis, Dynamo, S3, SNS, SQS, CloudFront, API Gateway, etc.)
• Gitlab for software lifecycle management

Where you will be

Entrust has a distributed workforce. This role is hybrid for Lisbon-based employees or fully remote for those outside Lisbon.

Benefits

• 25 days annual leave plus a birthday day off
• Two paid volunteering days per year
• Private Medical + Dental Insurance through Allianz (extended up to 2 children)
• Life Assurance (3x Annual Base Salary)
• Generous paid parental leave
• Monthly life enrichment allowance for fitness, childcare, and related services
• Expense up to €350 to purchase workstation setup equipment

At Entrust, we don’t just offer jobs – we offer career journeys. Here is what you can expect when you join our team:

• Career Growth: learning-forward initiatives and exciting challenges to support your professional journey.
• Flexibility: remote, hybrid, or on-site options.
• Collaboration: a culture of sharing ideas and building together.

We value diversity, inclusion, and respect. For accommodations, contact [e-mail].

Recruiter

Jack Steib, [e-mail]