Full-Time

AI Developer

Multiple Teams

Posted on 8/16/2025

Jonas Software

Jonas Software

1,001-5,000 employees

Long-term ownership of vertical software

No salary listed

Remote in USA

Remote

Category
AI & Machine Learning (2)
,
Required Skills
LLM
Pinecone
Microsoft Azure
Python
SQL
AWS
LangChain
Google Cloud Platform
Requirements
  • Proven experience building production-ready AI infrastructure.
  • Strong knowledge of Retrieval-Augmented Generation (RAG) systems.
  • Experience working with and fine-tuning Large Language Models (LLMs).
  • Proficiency with vector databases (e.g., Pinecone, Weaviate, Milvus).
  • Hands-on experience with contextual retrieval and hybrid search techniques.
  • Working knowledge of agentic frameworks such as LangChain, LlamaIndex, or Semantic Kernel.
  • Strong programming skills in Python and relevant ML libraries.
  • Experience with cloud infrastructure deployment (AWS, GCP, or Azure).
  • Excellent problem-solving skills and the ability to work independently and as part of a team.
  • Strong communication skills and the ability to convey complex technical concepts to non-technical stakeholders.
  • Knowledge of security best practices for AI applications, including data protection, access control, and monitoring.
  • Familiarity with LLMOps practices, including model deployment, monitoring, and maintenance.
  • Experience with Named Entity Recognition (NER) systems, including Zero-shot NER.
Responsibilities
  • Design and implement a robust AI infrastructure to support our new project.
  • Develop and optimize RAG (Retrieval-Augmented Generation) systems.
  • Configure and manage vector databases for efficient similarity search.
  • Implement contextual retrieval and hybrid search solutions.
  • Work with LLM technologies, including fine-tuning and deployment.
  • Build agentic AI systems using modern frameworks.
  • Collaborate with cross-functional teams to integrate AI capabilities.
  • Ensure the security and privacy of AI models and data.
  • Implement LLMOps best practices for model deployment, monitoring, and maintenance.
  • Utilize domain knowledge to tailor LLM solutions to business-specific needs and enhance relevance.
  • Develop and implement Named Entity Recognition (NER) systems, including Zero-shot NER techniques.
  • Design and implement Text-to-SQL capabilities that leverage LLMs to transform natural language questions into executable SQL queries.
  • Stay up-to-date with the latest advancements in AI technologies and methodologies.
Desired Qualifications
  • Degree in Computer Science, Machine Learning, or a related field.
  • 3+ years of experience in ML/AI development roles.
  • Contributions to open-source AI projects.
  • Experience with prompt engineering and LLM evaluation metrics.
  • Familiarity with containerization and microservices architecture.
  • Experience with modeling and large-scale data processing tools such as PyTorch, TensorFlow, scikit-learn, Spark MLLib, PySpark, MxNet, numpy, scipy, etc.
  • Knowledge of data preprocessing techniques and tools such as Hadoop, Spark, etc.
  • Familiarity with natural language processing (NLP) and computer vision for generative AI applications.
  • Experience with adversarial risk assessment and mitigation.
  • Understanding of ethical AI practices and responsible AI deployment.

Jonas Software manages a decentralized portfolio of over 160 independent software companies across 40 different industries. The company operates by acquiring niche software businesses and providing them with financial security and strategic guidance while allowing them to keep their original branding and management teams. Unlike competitors that often restructure or resell their acquisitions, Jonas uses a "buy-and-hold-forever" strategy to ensure long-term stability for its brands. Its goal is to foster growth within specific vertical markets by maintaining a permanent home for specialized software businesses.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Toronto, Canada

Founded

1990

Simplify Jobs

Simplify's Take

What believers are saying

  • Acquired Aava Software in 2025 to expand ERP and MES in manufacturing.
  • Grew to 200+ companies by 2025 through accelerated acquisitions like Wheatley and OnTap Data.
  • Parent Constellation Software offers $5B revenue and 30,000 employees for global scale.

What critics are saying

  • EU regulators force Constellation divestiture of Jonas in 12-24 months over antitrust.
  • Sage Group erodes 15-20% UK market share from Wheatley and Rock Solid by Q1 2026.
  • Vicinity Software captures 30% ANZ winery market from Ezy Systems in 6-12 months.

What makes Jonas Software unique

  • Jonas Software maintains decentralized portfolio of 200+ autonomous VMS companies across 40+ verticals.
  • Buy-and-hold-forever strategy ensures no resales since 2003 acquisitions.
  • Provides financial security and strategic guidance while preserving brands and management.

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Benefits

Remote Work Options

Flexible Work Hours

Company News

Jonas Software
Aug 22nd, 2025
Jonas Europe Acquires Aava Software

Jonas Europe has acquired Aava Ohjelmistot Oy, a leading developer of ERP and MES solutions for manufacturing and logistics. Aava Software, known for its low-code platform, aims to enhance its growth by leveraging Jonas's sales and marketing expertise. This acquisition marks a new phase for Aava, with plans to expand as a major ERP and MES provider.

Jonas Software
Jul 30th, 2025
Jonas Software ANZ Acquires RxOne

Jonas Software ANZ has acquired RxOne, a key provider of pharmacy management software in New Zealand. This acquisition enhances Jonas's presence in the pharmacy and healthcare technology sector. RxOne will continue to operate independently, maintaining its team and focus on innovation and customer service. Jeff McKee, CEO of Jonas Software ANZ, expressed excitement about supporting RxOne's growth, while RxOne's founder, Margie Peat, highlighted the benefits of joining Jonas.

Jonas Software
Jul 28th, 2025
Jonas Software ANZ Acquires MedAdvisor Solutions' ANZ Business

Jonas Software ANZ acquires MedAdvisor Solutions' ANZ business.

Jonas Software
May 1st, 2025
Jonas Europe Acquires Wheatley Software Solutions | Jonas Software UK & Europe

Wallingford, Oxfordshire, April 28th, 2025 – Jonas Europe (“Jonas”) is pleased to announce the acquisition of Wheatley Software Solutions.

Jonas Software
Dec 19th, 2024
Jonas Software Announces Acquisition of OnTap Data - Jonas Software

OnTap Data is a leading provider of data analytics and insights solutions tailored for the liquor, hospitality, and retail sectors.

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