Software Developer – API & AI/LLM

Job Postings

Software Developer – API & AI/LLM (ReliaSoft Desktop & Cloud) – 2 positions

Location: Poland (Remote)
Department: ReliaSoft R&D

Software Developer – ReliaSoft Desktop

The position

We are looking for an experienced Software Developer to help drive the next generation of the ReliaSoft product portfolio through the development of modern APIs and AI-enabled capabilities. This role will focus on expanding API functionality across both ReliaSoft Desktop and ReliaSoft Cloud, enabling enterprise integrations, automation, and future AI/LLM-powered features.

You will work closely with product owners, software architects, and development teams across the US and UK to build scalable, secure, and high-performance services that support the long-term modernization of the ReliaSoft platform.

We are currently searching for a Software Engineer to be based in Poland, working remotely with our wider Development Teams located in the US and UK.

Primary responsibilities

• Design, develop, and maintain RESTful APIs for ReliaSoft Desktop and ReliaSoft Cloud.
• Build scalable backend services supporting enterprise integrations and automation.
• Develop reusable service architectures to support future AI and LLM capabilities.
• Collaborate with product management to deliver customer-requested API functionality.
• Participate in architecture discussions, code reviews, and Agile development activities.
• Ensure software meets quality, security, and performance standards.
• Contribute to continuous improvement of development processes and engineering practices.

Required Qualifications

• Bachelor's degree in Computer Science or related field, or equivalent industry experience
• Minimum 2 years of industry experience designing web based applications
• Experience developing APIs using modern backend technologies.
• Strong knowledge of REST API design and microservice architecture.
• Experience with C#, .NET, or similar backend technologies.
• Experience with Git and Agile development methodologies.
• Strong problem-solving and communication skills.
• Ability to work effectively with distributed international teams.

What You'll Help Deliver

• Expanded API capabilities across the ReliaSoft portfolio.
• Enterprise integration solutions.
• Automation capabilities.
• AI-ready service architecture.
• Faster delivery of customer-requested APIs.

We offer

The job will provide you with an opportunity to further your career alongside some of the best and most passionate technology experts from around the world in a leading company within the test and measurement industry. You will be a strong contributor who collaborates closely with colleagues from various business functions all over the world.

Freedom with responsibility is the framework for HBK’s employees. This allows for a good balance between work and family life and for constant development of professional and personal skills in an international and enjoyable working environment.

One company – HBK

On 1 January 2019, Brüel & Kjær and HBM merged their activities into a new company called HBK (Hottinger, Brüel & Kjær). With more than 3,000 employees worldwide and production facilities in Denmark, Germany, the UK, the USA, China and Portugal and presence in 80 countries, HBK becomes a leading player in the test and measurement area. For further info please visit www.hbkworld.com.

HBK currently operates within the Test and Measurement segment of Spectris, the productivity-enhancing instrumentation and controls company.

Application deadline

Please submit your application and CV by using the direct application link.

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Please note that we will be conducting interviews on an ongoing basis.

Candidates must be legally authorized to work in the United States on a full-time basis and will not now or in the future require sponsorship for employment visa.

How to apply

This role was found on Himalayas and is listed here so European professionals can find it. Applications are handled by the employer on the original posting.

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