Senior Software Engineer (Scala & Python)

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Occupation tasks (O*NET)

Public-domain labor data — prepare examples for 2–3 of these.

• Analyze information to determine, recommend, and plan installation of a new system or modification of an existing system.
• Analyze user needs and software requirements to determine feasibility of design within time and cost constraints.
• Confer with data processing or project managers to obtain information on limitations or capabilities for data processing projects.
• Confer with systems analysts, engineers, programmers and others to design systems and to obtain information on project limitations and capabilities, performance requirements and interfaces.
• Consult with customers or other departments on project status, proposals, or technical issues, such as software system design or maintenance.
• Coordinate installation of software system.
• Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcomes and consequences of design.
• Determine system performance standards.

O*NET source

Company facts (cached)

Website: espeosoftware.com

Public cache only — not an employee review.

Role overview (listing rewrite)

Espeo Software is recruiting a Senior Software Engineer specializing in Scala and Python to strengthen our partner's backend engineering team as we accelerate the development of AI-integrated services for their SaaS solution. The Opportunity This is a contract position focused on building and scaling backend infrastructure while pioneering AI functionality across the platform. Your work will span both Scala—the foundation of the existing platform—and Python, where much of the day-to-day development occurs. You'll take ownership of integrating cutting-edge AI models and external AI services into production systems that serve real users at scale. Day-to-Day Responsibilities Build, maintain, and iterate on backend services using Scala and Python Architect and deploy AI-driven functionality throughout the platform Connect and orchestrate third-party and internal AI services, including large language models and similar systems, through their APIs Drive ongoing refinement of the backend infrastructure and AI capabilities Collaborate with the existing engineering team to ship robust, well-tested code Who We're Looking For Must-have expertise: Proven track record shipping Scala code in commercial production systems Deep hands-on proficiency with Python Senior engineer mindset grounded in software engineering fundamentals: testing, source control, automated deployment pipelines, and agile practices Nice-to-have strengths: Direct experience building with large language models Work on AI-based transcription platforms or comparable AI solutions Familiarity with ElasticSearch Prior exposure to API-based AI service integration PHP development background Practical knowledge of AWS, Azure, or GCP's AI offerings About Espeo Software Espeo Software partners with ambitious companies to architect and deliver sophisticated software solutions. This role is part of a growing engagement where we're staffing a dedicated team to accelerate our client's SaaS platform with modern backend practices and AI-driven innovation. Apply Today To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.

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Questions to ask them

• What does success look like in the first 90 days for this role?
• How is the team structured, and who would I work with most?
• What tools and systems does this role use daily?
• Is the work primarily based in Poland, hybrid, or fully remote?