Engineer Connector API

Assa Abloy Group; Cardiff; On-site; GBP 80,000 - 100,000; Full time

Job summary

A global leader in access solutions in Cardiff is seeking a Senior Engineer Connector API to develop software connectors and APIs. You will work hands-on to integrate 3rd party products securely and efficiently. The ideal candidate has over 5 years of experience, proficient in .NET Core, and comfortable with RESTful interfaces and security best practices. This role offers competitive salary and career development opportunities.

Benefits

Competitive salary and rewards package

Competitive benefits and work-life balance

Extensive career development opportunities

Qualifications

• Minimum of 5+ years of related industry experience.
• Experience troubleshooting complex API and connectivity issues.
• Experience developing networked applications in an enterprise environment would be an advantage.

Responsibilities

• Design and implement software connectors and APIs that integrate our platform with the 3rd party products.
• Ensure all integrations are secure, reliable, and performant.
• Communicates effectively with cross functions, can work well with Product, Design, Analytics.

Skills

.NET Core & C, C++ & C#

Fluent with RESTful interfaces

Familiarity of communication protocols such as MQTT

Fluent with software version control

TDD Unit test approach

CI/CD

Security by design

Education

Engineering degree or equivalent

Tools

Python

PowerShell

SQL

JSON/XML

JavaScript/TypeScript

Job description

An Amazing Career Opportunity for a Senior Engineer Connector API !!

Location: Cardiff, UK

Job ID: 42843

A senior developer role, working on Connectors and supporting software used in other applications.

You are expected to be hands on and spend a significant amount of your time writing code and implementing features/stories defined by the Product Owner.

As a contributor, you’ll be a team member charged with implementing features in a timely fashion seamlessly with the overall solution offered to our customers.

This role is for the generation of a set of libraries which is then used to build connectors. These connectors communicate between HID devices and 3rd party products. The deployment environment varies, sometimes the 3rd party products are “on prem” with a libraries approach or it might be a Cloud based deployment with a RESTful API as the interface.

If this sounds like you keep on reading !

Who are we?

HID powers the trusted identities of the world’s people, places, and things, allowing people to transact safely, work productively and travel freely.

We are a high-tech software company headquartered in Austin, TX, with over 4,500 worldwide employees. Check out here: www.hidglobal.com and https://youtu.be/23km5H4K9Eo

Physical Access Control Solutions (PACS):

HID Physical Access Control Solutions (PACS) is at the forefront of securing spaces with advanced, reliable access control solutions. From cutting‑edge readers, credentials and controllers, to mobile and biometric technologies, HID PACS empowers organizations worldwide to protect their people, property and assets with scalable, high‑quality solutions.

This is more than just a job – it’s your chance to join an industry leader to drive innovation in access control and make a real impact on global security solutions.

As our Senior Software Engineer Connectors , you’ll support HID’s success by:

• Design and implement software connectors and APIs that integrate our platform with the 3rd party products.
• Ensure all integrations are secure, reliable, and performant, using best practices in authentication, encryption, and error handling.
• Require little oversight beyond high level direction and can take a complex scenario, breaking it down into sub‑tasks, and completing sub‑tasks with relative ease.
• Communicates technical decisions through design docs and white papers.
• Communicates effectively with cross functions, can work well with Product, Design, Analytics, etc, as necessary.
• Proactively identifies problems with requirements (lack of clarity, inconsistencies, technical limitations) and communicates these issues early to help course‑correct.
• Working in a team environment.

What we will love about your background

• Proficient in .NET Core &/or C, C++ & C#
• Fluent with RESTful interfaces
• Familiarity of communication protocols such as MQTT
• Fluent with software version control.
• TDD Unit test approach.
• Good understanding and skills with CI/CD.
• Security by design and related life cycle requirements e.g CVE.

Your Experience and Education include:

• Engineering degree or equivalent or suitable experience.
• Minimum of 5+ years of related industry experience.
• Scripting / Automation: Python or PowerShell for tooling, automation, and integration testing.
• Data & API Work: SQL for data access, JSON/XML for data interchange, and basic JavaScript/TypeScript understanding for API or UI integration contexts.
• Understanding of security best practices: OAuth2, JWT, TLS, and “security by design” principles.
• Comfortable working with both on‑premises and cloud‑based integration endpoints.
• Experience troubleshooting complex API and connectivity issues.
• Familiar creating multiple representative deployment environments to validate our solution.
• Experience of the access control industry.
• Experience developing networked applications in an enterprise environment would be an advantage.

What we can offer you:

• Competitive salary and rewards package.
• Competitive benefits and annual leave offering, allowing for work‑life balance.
• A vibrant, welcoming & inclusive culture.
• Extensive career development opportunities and resources to maximize your potential.
• To be a part of a global organization that is pioneering the hardware, software and services that allow people to confidently navigate the physical and digital worlds.

Why apply?

• Empowerment: You’ll work as part of a global team in a flexible work environment, learning and enhancing your expertise. We welcome an opportunity to meet you and learn about your unique talents, skills, and experiences. You don’t need to check all the boxes.If you have most of the skills and experience, we want you to apply.
• Innovation: You embrace challenges and want to drive change. We are open to ideas, including flexible work arrangements, job sharing or part‑time job seekers.
• Integrity: You are results‑oriented, reliable, and straightforward and value being treated accordingly. We want all our employees to be themselves, to feel appreciated and accepted.

We are the ASSA ABLOY Group
Our people have made us the global leader in access solutions. In return, we open doors for them wherever they go. With nearly 63,000 colleagues in more than 70 different countries, we help billions of people experience a more open world. Our innovations make all sorts of spaces – physical and virtual – safer, more secure, and easier to access.

As an employer, we value results – not titles, or backgrounds. We empower our people to build their career around their aspirations and our ambitions – supporting them with regular feedback, training, and development opportunities. Our colleagues think broadly about where they can make the most impact, and we encourage them to grow their role locally, regionally, or even internationally.

As we welcome new people on board, it’s important to us to have diverse, inclusive teams, and we value different perspectives and experiences.