Senior Backend Engineer, AI Integrations Job at Hostaway (Vienna)

Senior Software Engineer – AI Assistant Integration Expert

Take your career to the next level with Amaris Consulting as a Senior Software E...

Location

Spain , Barcelona

Salary:

Not provided

Amaris Consulting

Expiration Date

Until further notice

Requirements

Minimum 5 years of experience as a Software Engineer
At least 1 year of hands-on experience using GitHub Copilot in real-world projects
Strong practical knowledge of Java or .NET (C#)
Deep understanding of software architecture patterns and SOLID principles
Proven ability to write clean, maintainable code and follow best practices
Experience configuring GitHub Copilot in IDEs such as Visual Studio, VS Code, IntelliJ, or Eclipse
Ability to coach and train developers and QA engineers
Fluent in English (Spanish is a plus)
Hands-on mindset – not theoretical, but someone who codes daily

Job Responsibility

Define and implement guidelines for AI usage in software development
Collaborate with software architects and tech leads to document best practices and antipatterns per programming language
Create documentation and training materials for developers and QA engineers
Provide hands-on support to ~40 software squads to integrate GitHub Copilot and other AI tools
Configure GitHub Copilot extensions and ensure proper repository setup
Train teams on using Copilot commands (e.g., createWorkspace, explain, doc, fix, optimize)
Guide QA teams on AI tools for test case generation and optimization
Conduct “train the trainer” sessions to empower internal champions

What we offer

Tailored career path and salary evaluation
Tech Academy catalog, Udemy E-learning Platform, Languages Sessions, webinars, and workshops
Annual personal training budget and company-paid certifications
Flexible policies and remote work options
Transit and restaurant tickets
Kindergarten support
Private health insurance
WeCare program supporting employees in critical situations

Fulltime

Senior Backend Software Engineer

The Coaching team builds Highspot’s personalized, AI-enhanced coaching capabilit...

Location

Canada , Vancouver

Salary:

146000.00 - 178000.00 CAD / Year

Highspot

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science or equivalent practical experience
5+ years of experience in back-end software development building and maintaining large-scale web applications
At least 3 years of experience working with object-oriented programming languages
Ruby and Python preferred
Experience architecting, building, and deploying mid-to-large scale web applications in a distributed environment
Strong understanding of API design, data modeling, and backend scalability
Experience integrating or working with AI/LLM platforms such as OpenAI, Anthropic (Claude), or Azure OpenAI
Familiarity with AI-powered development tools (e.g., Cursor, GitHub Copilot, Cody, etc.) and a demonstrated ability to incorporate them effectively into day-to-day workflows
Deep expertise in web performance, security, and reliability best practices
Proven ability to deconstruct complex technical problems and deliver elegant, maintainable solutions

Job Responsibility

Design, develop, and maintain high-quality, scalable, and user-centric backend systems using modern technologies
Architect and optimize backend infrastructure to power intelligent, AI-driven workflows and Agentic AI integrations
Build and maintain integrations with multiple large language models (LLMs) including ChatGPT, Claude, and other OpenAI and Microsoft models
Collaborate closely with AI/ML engineers to productionize agentic workflows and autonomous reasoning systems
Partner effectively with Product Management and UX Design to translate ideas and research into production-ready, AI-enhanced features
Leverage AI-assisted development tools such as Cursor, GitHub Copilot, and other code generation frameworks to accelerate development and improve code quality
Lead and mentor engineers through complex projects, emphasizing clean architecture, testing, and software craftsmanship
Drive backend infrastructure improvements that enhance reliability, observability, and performance
Collaborate cross-functionally to deliver differentiated customer value through AI and data-driven solutions
Troubleshoot and resolve critical production issues while contributing to internal documentation and best practices

What we offer

Comprehensive medical, dental, vision, disability, and life benefits
Group Retirement Savings Plan (RRSP) and matching employer contributions (DPSP) with immediate vesting
Flexible PTO
Generous Holiday Schedule + 5 Days for Annual Holiday Week
Quarterly Recharge Fridays (paid days off for mental health recharge)
Flexible work schedules
Access to Coaches and Therapists through Modern Health
2 Volunteer days per year
Monthly transportation allowance for employees that work in our Vancouver Hub location
Employees are eligible to receive stock options

Fulltime

Senior Backend Engineer

Fullpath is an AI-first tech company in the automotive space with hubs across th...

Location

Israel , Tel Aviv

Salary:

Not provided

Fullpath

Expiration Date

Until further notice

Requirements

University degree (B.Sc) in Computer Science or related field
5+ years of Backend Software development experience
Hands-on experience with web development, including building and maintaining web applications
Deep familiarity with and daily hands-on use of AI and emerging technologies
Strong SQL skills with databases such as PostgreSQL, MySQL, or similar
Knowledge of cloud platforms, preferably AWS, or similar services and tools
Experience designing and working with microservices architecture
Excellent communication skills in both Hebrew and English
Team player with collaborative mindset
Capability to see the big picture, break down projects into milestones, and prioritize tasks

Job Responsibility

Write clean, high-quality, high-performance, maintainable code
Ensure that the projects you work on meet business objectives and coding standards
Support the deployment and testing of new products and features
Collaborate with cross-functional teams to gather and analyze requirements, translating them into technical specifications
Design and implement APIs and integrations with third-party services to enhance system functionality
Optimize application performance through code profiling, monitoring, and refactoring as necessary
Implement automated testing frameworks to ensure code robustness and reliability
Participate in code reviews and provide constructive feedback to peers to foster continuous improvement
Stay updated with emerging technologies, best practices, and industry trends to drive innovation within the team
Assist in the establishment and enforcement of development standards and coding conventions

What we offer

An awesome global team of forward-thinking, innovative go-getters
Integrate with tech titans: Work directly with APIs from Google, Facebook, Microsoft, and more
Be part of a rapidly scaling company poised for the future
Learning and growth opportunities within a fast-paced SaaS startup environment
Clear career advancement path for strong performers
Cibus and lots of yummy kitchen treats

Fulltime

Senior Software Engineer, Backend (AI Agent)

At Cresta, the AI Agent team is on a mission to create state-of-the-art AI Agent...

Location

Canada , Toronto

Salary:

Not provided

Cresta

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science or a related field
5+ years of experience in backend system architecture, cloud services, or related technology fields
Proficient in designing and maintaining clear and robust APIs with a strong understanding of protocols including gRPC, REST
Previous experience working with Virtual Agent or AI Agent systems
Experience in high-performance database schema design and query optimization, including knowledge of SQL and NoSQL databases
Experience in containerized application deployment using Kubernetes and Docker in microservices architectures
Experience with cloud environments such as AWS, Azure, or Google Cloud, with a strong understanding of cloud security and compliance standards

Job Responsibility

Design, develop, and maintain scalable and robust backend architectures for Cresta’s AI Agent solutions and proprietary models
Collaborate with cross-functional teams including frontend engineers, machine learning engineers to ensure seamless integration of AI Agents into Cresta’s customer solutions
Lead initiatives to enhance system scalability and reliability in production environments, focusing on backend services that support AI functionalities
Drive efforts to optimize server response times, process large volumes of data efficiently, and maintain high system availability
Innovate and implement security measures, cost-reduction strategies, and performance improvements in backend systems supporting AI Agents

What we offer

We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs
Paid parental leave to support you and your family
Monthly Health & Wellness allowance
Work from home office stipend to help you succeed in a remote environment
Lunch reimbursement for in-office employees
PTO: 3 weeks in Canada

Senior Software Engineer, Backend

As a Senior Software Engineer, Backend specializing in database architecture and...

Location

United States , San Francisco

Salary:

150000.00 - 240000.00 USD / Year

Chef Robotics

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Engineering, or equivalent practical experience
7+ years of professional experience in backend development roles with demonstrated leadership experience
Expert knowledge of relational databases (MySQL, PostgreSQL) including schema design, optimization, and administration
Strong proficiency with Python and JavaScript/TypeScript with advanced software engineering skills
Extensive experience leading projects with at least two web frameworks: Flask, FastAPI, Django, Node.js, or Next.js
Proven experience designing and implementing RESTful and GraphQL APIs at scale
Advanced understanding of containerization (Docker) and orchestration (Kubernetes) technologies
Experience with cloud infrastructure and deployment (AWS, GCP, or Azure) in production environments
Proven experience leading complex backend projects and mentoring junior engineers
Understanding of data requirements for robotics or automation systems

Job Responsibility

Lead the design, implementation, and optimization of database schemas to support robot operations, telemetry, recipe management, and system analytics
Develop robust data migration strategies and version control for database schema evolution
Implement efficient query optimization and indexing strategies to support high-throughput robot operations
Establish data integrity protocols and backup systems to ensure operational continuity across customer deployments
Create scalable data access layers that balance security, performance, and maintainability
Mentor team members on database design patterns and optimization techniques
Lead the development and maintenance of scalable APIs to serve robot control systems, dashboards, and monitoring tools
Design and implement secure authentication and authorization mechanisms across backend services
Develop robust middleware for processing and validating data between robotics subsystems
Create service interfaces that enable efficient communication between robotics components and cloud services

What we offer

medical, dental, and vision insurance
commuter benefits
flexible paid time off (PTO)
catered lunch
401(k) matching
early-stage equity

Fulltime

Senior LLM Backend Engineer

We are looking for a Senior Backend Engineer with a strong focus on Large Langua...

Location

Spain

Salary:

Not provided

Bark

Expiration Date

Until further notice

Requirements

Extensive production experience with Python in backend engineering
Proven experience integrating LLMs into applications via APIs or SDKs
Strong experience building and maintaining APIs for LLM-based features
Strong experience building and maintaining event-driven workflows
Strong experience building and maintaining business logic that consumes AI outputs
Strong experience building and maintaining integrations with 3rd party AI/ML platforms
Solid SQL and NoSQL experience (especially in AI data pipelines)
Production experience with Docker, ideally with Kubernetes or AWS Fargate/ECS/EKS
Experience deploying and maintaining AI services in cloud environments
Strong organisational skills and ability to deliver in a fast-paced, product-focused environment

Job Responsibility

Work with product managers to understand user needs and translate them into AI-powered functionality
Design and build APIs, services, and workflows that integrate LLMs (both proprietary and open-source)
Implement prompt engineering, RAG pipelines, and model fine-tuning where required
Optimise AI inference performance, scalability, and cost-effectiveness
Ensure AI features meet high standards for security, reliability, and maintainability
Collaborate with other engineers to integrate AI features seamlessly into the wider system
Stay on top of emerging LLM technologies and best practices, running experiments and sharing knowledge across the team

What we offer

Fully remote working
Personal annual L&D Budgets with 600€ to spend on your development
Being at the forefront of an industry with new and exciting problems to solve

Fulltime

Senior AI Product Engineer, Backend

Our Backend Engineering team builds all of the highly scalable distributed servi...

Location

United States

Salary:

125000.00 - 225000.00 USD / Year

Arize

Expiration Date

Until further notice

Requirements

5+ years of experience working with high-performance backend systems
Strong experience writing Go, Python, TypeScript/Node, Java, or similar server programming languages
Enthusiasm and interest in the AI and LLM ecosystem, with a desire to learn and stay updated on emerging technologies
Previous work building and operating highly complex SaaS platforms/systems
Knowledge of working with public clouds & container orchestration - AWS, GCP, Azure, Kubernetes, etc.

Job Responsibility

Write maintainable, scalable, and performant backend code primarily in Go, Java, and Python, with opportunities to work in TypeScript
Build high-volume and highly available analytics systems
Design and build APIs specific to our customers’ Machine Learning and LLM workflows
Prototype, optimize, and maintain scalable backend services that power the Arize core platform
Extend, and contribute back to, open source OLAP databases and distributed message queue frameworks
Develop and integrate collection tools for robust monitoring of ML and LLM pipelines
Research and implement cutting-edge visualization & dimensionality reduction algorithms in a distributed environment
Collaborate with our product, design, and directly with customer engineering teams to enhance and expand our product offerings
Contribute to the build our own in-house AI Agents

What we offer

competitive equity package
comprehensive benefits package, including medical, dental, vision
a 401(k) plan
unlimited paid time off
a generous parental leave plan
additional support for mental health and wellness
WFH monthly stipend to pay for co-working spaces

Fulltime

Senior AI Engineer

As a Senior AI Engineer on our AI Engineering team, you will be responsible for ...

Location

Canada; United States

Salary:

160000.00 - 260000.00 USD / Year

Apollo.io

Expiration Date

Until further notice

Requirements

8+ years of software engineering experience with a focus on production systems
1.5+ years of hands-on LLM experience (2023-present) building real applications with GPT, Claude, Llama, or other modern LLMs
Production LLM Applications: Demonstrated experience building customer-facing, scalable LLM-powered products with real user usage (not just POCs or internal tools)
Agent Development: Experience building multi-step AI agents, LLM chaining, and complex workflow automation
Prompt Engineering Expertise: Deep understanding of prompting strategies, few-shot learning, chain-of-thought reasoning, and prompt optimization techniques
Python Proficiency: Expert-level Python skills for production AI systems
Backend Engineering: Strong experience building scalable backend systems, APIs, and distributed architectures
LangChain or Similar Frameworks: Experience with LangChain, LlamaIndex, or other LLM application frameworks
API Integration: Proven ability to integrate multiple APIs and services to create advanced AI capabilities
Production Deployment: Experience deploying and managing AI models in cloud environments (AWS, GCP, Azure)

Job Responsibility

Design and Deploy Production LLM Systems: Build scalable, reliable AI systems that serve millions of users with high availability and performance requirements
Agent Development: Create sophisticated AI agents that can chain multiple LLM calls, integrate with external APIs, and maintain state across complex workflows
Prompt Engineering Excellence: Develop and optimize prompting strategies, understand trade-offs between prompt engineering vs fine-tuning, and implement advanced prompting techniques
System Integration: Build robust APIs and integrate AI capabilities with existing Apollo infrastructure and external services
Evaluation & Quality Assurance: Implement comprehensive evaluation frameworks, A/B testing, and monitoring systems to ensure AI systems meet accuracy, safety, and reliability standards
Performance Optimization: Optimize for cost, latency, and scalability across different LLM providers and deployment scenarios
Cross-functional Collaboration: Work closely with product teams, backend engineers, and stakeholders to translate business requirements into technical AI solutions

What we offer

equity
company bonus or sales commissions/bonuses
401(k) plan
at least 10 paid holidays per year, flex PTO, and parental leave
employee assistance program and wellbeing benefits
global travel coverage
life/AD&D/STD/LTD insurance
FSA/HSA and medical, dental, and vision benefits

Fulltime

Senior Backend Engineer, AI Integrations

Hostaway

Location:
Austria , Vienna

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 03, 2026

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