Senior Backend Python Engineer - AI Platform Job at Citi (London)

Senior Generalist (Python, Data) Engineer - Healthcare AI Platform

We are looking for a senior hands-on engineer to own and maintain a sophisticate...

Location

United States

Salary:

Not provided

Provectus

Expiration Date

Until further notice

Requirements

6+ years of hands-on engineering experience with production systems
Generalist mindset, comfortable across backend development, data pipelines, and cloud infrastructure
Strong production Python skills and solid software engineering fundamentals
Hands-on experience with AWS (S3, Lambda, ECS, SQS, Bedrock, RDS or similar)
Experience with analytical data pipelines (SQL, Spark) and data processing at scale
Experience with Infrastructure as Code (Terraform, CDK, or CloudFormation)
Experience with AI-assisted development workflows (Claude Code or alternatives), not just autocomplete
Experience maintaining and scaling systems in production, not just building POCs
Autonomous working style, you don't need a project manager to tell you what to do next
US-based, required due to project compliance and data security constraints

Job Responsibility

Maintain, improve, and extend an AI platform already running in production
Handle a mix of backend development, data engineering, DevOps, and infrastructure work
Translate business and product requirements into technical decisions independently
Work directly with internal stakeholders and consumer teams
Establish and maintain engineering best practices for the platform
Identify and resolve technical issues as the first line of defense

What we offer

Full ownership of a production AI platform
Remote-first, fully flexible work environment
Annual performance bonus
Health, dental, vision, 401(k) with company match, unlimited PTO
Long-term engagement
this role extends beyond the initial project

Senior ML Platform Engineer, AI Platform

We are seeking a skilled and passionate ML Platform Engineer to join our team an...

Location

Singapore , Singapore

Salary:

Not provided

Airwallex

Expiration Date

Until further notice

Requirements

5+ years in backend software development
at least 2+ years focus on AI/ML Platform or MLOps infrastructure
deep expertise in MLOps practices, including automated deployment pipelines, model optimization, and production lifecycle management
proven experience designing and implementing low-latency model serving solutions
proficiency in Python
skill in writing high-quality, maintainable code
experience in design and development of large-scale distributed, high concurrency, low-latency inference, high availability systems
excellent communication and mentoring abilities
a relevant degree in Computer Science, Mathematics or related fields

Job Responsibility

Platform Development: Design, build, and maintain the end-to-end MLOps platform using Kubernetes and Cloud Services
Infrastructure as Code (IaC): Use Terraform or similar tools to manage, provision, and scale all ML-related infrastructure securely and efficiently
Pipeline Automation: Implement and optimize CI/CD/CT (Continuous Integration, Delivery, Training) pipelines to automate model training, testing, packaging, and deployment using tools like Argo and Kubeflow Pipelines
Serving Infrastructure: Build highly available, low-latency, and high-throughput model serving infrastructure
Observability: Implement robust monitoring, alerting, and logging solutions to track infrastructure health, model performance, and data/model drift
Tooling & Support: Evaluate, integrate, and support ML tools such as Feature Stores and distributed model training pipelines
Security & Compliance: Ensure platform security, implement RBAC (Role-Based Access Control), and manage secrets for sensitive data and production environments
Collaboration: Work closely with Data Scientists and ML Engineers to understand their needs and provide technical guidance on best practices for scaling their models

Fulltime

GenAI Senior Platform Engineer - Python, VP

Citi's global Innovation Labs is seeking a versatile Senior GenAI Platform Engin...

Location

Canada , Mississauga

Salary:

120800.00 - 170800.00 USD / Year

Citi

Expiration Date

Until further notice

Requirements

7+ years of experience in the software industry, with a strong emphasis on building enterprise software
6+ years of relevant experience developing and implementing scalable and robust platforms, applications, and services using modern libraries and frameworks (e.g., Python: FastAPI, Flask, Pandas, Scikit-learn, Hugging Face
Node.js: Express, NestJS
TypeScript)
5+ years of experience delivering complex backend solutions and services (e.g., APIs, microservices) into production
Demonstrated experience in managing and implementing successful projects of varying sizes and complexities
Proven understanding of Generative AI systems, AIOps, and application monitoring/evaluation
Experience with cloud architectures, with specific experience in public cloud offerings
Strong passion and proven hands-on experience integrating with AI/ML technologies
Experience with software development agents, agile development, CI/CD pipelines, software testing, and code reviews

Job Responsibility

Lead the design, development, and maintenance of highly complex GenAI platforms, applications, and services using Python, Node.js, and TypeScript
Ensure the seamless operation, scalability, and integration of AI capabilities across various Citi business units
Engage with data science, technical, and business stakeholders to define and design the overall architecture for key use-cases
Drive the deployment of new GenAI products and process improvements, working with internal and external partners to design, validate, and deliver solutions
Resolve high-impact technical and business problems, leading projects through in-depth evaluation of complex business processes, system architecture, and industry standards
Provide expert guidance and advanced knowledge in modern programming, ensuring platform design adheres to architectural blueprints and best practices for generative models
Develop and enforce robust coding standards, testing methodologies, debugging practices, and implementation strategies for enterprise-grade solutions across Python, Node.js, and TypeScript
Manage multiple concurrent initiatives and projects of varying sizes and complexity
Engage with external vendors and startups for joint initiatives and exploration of new technologies
Cultivate a comprehensive understanding of how business, architecture, and infrastructure integrate within the GenAI ecosystem at Citi

What we offer

Discover the top benefits offered to our global workforce, designed to support your well-being, growth and work-life balance

Fulltime

Senior Backend Engineer - AI Framework

As a Senior Backend Engineer on Gong’s AI Framework team, you will build the fou...

Location

Israel , Tel Aviv

Salary:

Not provided

Gong

Expiration Date

Until further notice

Requirements

7+ years of backend engineering experience, with strong system design and platform-building expertise
Strong analytical and problem-solving skills, with the ability to debug and resolve complex technical issues efficiently
Hands-on experience with agentic systems and frameworks such as LangChain, LangSmith, ADK, or equivalent agent orchestration platforms
Strong understanding of AI evaluation methodologies, including agent evaluations, prompt evaluation, regression testing, and quality monitoring
High proficiency in Python for building production-grade AI frameworks and services
Familiarity with Java and experience integrating backend platforms or tooling into Java-based systems
Experience building observability, monitoring, or platform tooling for distributed systems
Strong analytical skills and the ability to reason about complex, evolving AI-driven systems
Experience with cloud platforms and scalable microservices architectures
Excellent communication skills and a strong platform mindset, with experience enabling multiple teams

Job Responsibility

Agentic Framework Architecture: Designing and building Gong’s internal agentic framework, leveraging and integrating industry-standard tools such as LangChain, LangSmith, ADK, and similar ecosystems
Evaluation and Quality Systems: Building evaluation frameworks and workflows for AI agents, including offline and online evaluations, quality metrics, regression detection, and experimentation infrastructure
Observability, Monitoring, and Guardrails: Providing the organization with robust observability capabilities for AI agents, including tracing, logging, monitoring, cost tracking, and safety guardrails to ensure reliable and responsible usage
Developer Enablement Platforms: Creating APIs, SDKs, and abstractions that enable product teams to easily build, test, and operate agents while adhering to platform standards
Cross-Language Integrations: Designing integrations and tooling across Python and Java to enable seamless adoption of the AI framework within Gong’s broader backend ecosystem

What we offer

flexibility
autonomy
positive work relationships
effective work habits

Senior Backend Engineer, AI Integrations

As a Senior Backend Engineer on our AI Team, you’ll focus on integrating AI serv...

Location

Austria , Vienna

Salary:

Not provided

Hostaway

Expiration Date

Until further notice

Requirements

5+ years in backend engineering, ideally SaaS
Strong TypeScript/Node.js or Python proficiency
Experience with REST APIs and SaaS integrations
Familiarity with LLM/AI tools in the JS or Python ecosystem (LangChain, Vercel AI SDK, MCP servers)
Comfortable working alongside Python-based AI services and bridging stacks
Bonus: experience with PHP + Golang - our core backend
Strong collaboration skills - able to integrate work with platform and product teams

Job Responsibility

Design and build services that integrate AI into customer-facing features
Develop performant and scalable APIs and backend services that connect AI outputs to SaaS functionality
Collaborate with product and design teams to create intuitive AI-driven user experiences
Partner with platform and integration teams to embed AI into existing systems and workflows
Implement observability, monitoring, and error handling for AI services in production
Contribute to evolving our AI integration stack (TypeScript SDKs, MCP servers, LLM orchestration)

What we offer

Competitive Compensation: We offer competitive pay based on market rates in the country of the applicant
100% Remote: Enjoy the freedom to work from anywhere within your country of residence
Equity: Every role in our company comes with valuable stock options in a fast-growing and profitable company
Values-Driven Leadership: Our Core Values are not just words we’ve written to make us feel good
Professional Growth: Our rapid growth offers unparalleled learning and development opportunities, along with a multitude of career advancement opportunities
Annual Paid Leave: The specific amounts vary by country and are aligned with country and/or contract-specific norms
Geographic Specific Benefits: As an international employer, we offer different country-specific benefits such as Health Insurance and Pensions in countries where these perks are customary
Dynamic Team Culture: As a global company with team members in over 40 countries, our diverse and international culture fuels our innovation and creativity

Fulltime

Senior AI Platform Engineer - Data and Knowledge

We’re hiring a Senior AI Platform Engineer (Knowledge & Data) to build and own t...

Location

Salary:

Not provided

MaintainX

Expiration Date

Until further notice

Requirements

5+ years of experience in Python backend engineering and systems design experience
Experience shipping AI-powered or LLM-integrated backend systems
Experience with vector DBs (Qdrant/Pinecone/Chroma/etc.)
Understanding of embeddings, chunking, and retrieval strategies
Experience building search or retrieval systems over unstructured data
Comfort working across multiple layers (services, data, infra, AI tooling)

Job Responsibility

Build scalable backend services and internal APIs for the AI platform
Integrate LLMs and retrieval into reliable, production-ready workflows
Build knowledge ingestion pipelines for LLMs (documents, APIs, semi-structured data)
Design chunking and embedding approaches together with vector DB data models and indexing strategies
Implement retrieval pipelines (semantic, keyword, hybrid) and caching
Contribute to shared infrastructure: CI/CD, observability, deployments

What we offer

Competitive salary and meaningful equity opportunities
Healthcare, dental, and vision coverage
401(k) / RRSP enrollment program
Take what you need PTO

Senior AI Platform Engineer

We’re looking for a Senior AI Platform Engineer to build the shared systems that...

Location

Canada; United States , Montreal; Toronto; Vancouver; SF

Salary:

Not provided

MaintainX

Expiration Date

Until further notice

Requirements

5+ years of experience in Python backend engineering + systems design experience
Experience shipping AI-powered or LLM-integrated backend systems
Comfort working across multiple layers (services, data, infrastructure, AI tooling)
Experience with cloud infrastructure (AWS/GCP/Azure) and IaC (Terraform/Pulumi)
Experience with distributed systems and asynchronous processing
Have familiarity with AI or data-heavy services where reliability and cost matter at scale

Job Responsibility

Build and operate scalable backend services and internal APIs for the AI platform
Integrate LLMs and AI tool execution into reliable, production-ready workflows
Own production reliability for AI platform infrastructure through observability, alerting, and incident response
Improve performance and cost efficiency of AI runtimes through profiling, tuning, and capacity planning
Contribute to shared infra: CI/CD, observability, deployments

What we offer

Competitive salary and meaningful equity opportunities
Healthcare, dental, and vision coverage
401(k) / RRSP enrollment program
Take what you need PTO

Senior Backend Engineer: Python

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

Location

Israel , Tel Aviv; Jerusalem

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 in web development, specifically Python
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

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Senior Backend Python Engineer - AI Platform

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