Software Developer – API, AI/LLM

HBK - Hottinger Brüel & Kjær

Software Developer building REST APIs and AI-ready backend services for HBK’s ReliaSoft test-and-measurement software. Supporting enterprise integrations, automation, and cloud modernization from Poland remotely.

Posted 8/14/2026full-timeRemote • 🇵🇱 PolandJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing RESTful APIs and scalable backend services, with a strong focus on microservice architecture and Agile methodologies. Proven ability to collaborate effectively with cross-functional teams and deliver high-quality software solutions.

Highest-signal resume keywords

REST API DesignMicroservice ArchitectureC# DevelopmentAgile Development MethodologiesGit Version Control

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

API DevelopmentBackend TechnologiesWeb Based ApplicationsService ArchitectureEnterprise Integration Solutions

Soft Skills

Problem-SolvingCommunicationCollaboration

Tools & Technologies

.NETReliaSoft CloudReliaSoft Desktop

Industry Keywords

Software Quality StandardsPerformance StandardsContinuous ImprovementAutomation CapabilitiesAI-Ready Architecture

Tech Stack

Tools & technologies

Cloud.NET

About the role

Key responsibilities & impact

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 for 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
Deliver expanded API capabilities across the ReliaSoft portfolio
Deliver enterprise integration solutions and automation capabilities
Build AI-ready service architecture
Accelerate delivery of customer-requested APIs

Requirements

What you’ll need

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
The posting also states candidates must be legally authorized to work in the United States on a full-time basis and not require current or future employment visa sponsorship

Benefits

Comp & perks

Remote working arrangement
Opportunity to further your career alongside technology experts from around the world
Freedom with responsibility
Good balance between work and family life
Constant development of professional and personal skills
International and enjoyable working environment