Senior Software Engineer

Senior AI Engineer

We are seeking an innovative AI Engineer to join a brand new team focused on pro...

Location

United Kingdom , London

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Proven experience as an AI Engineer with a significant delivery history
Strong expertise in multiple programming languages & frameworks
Experience and proven experience in using quantitative testing practice applied to the field of AI/ML for actionable Go/No-Go decisions of delivering software to production
Demonstrated expertise of developing on a range of architectures, ideally up to and including container-based micro-services with focus on scalability, reliability, maintainability, and high performance
Good understanding of SQL and NoSQL databases
Excellent communication and collaboration skills
A growth mindset and willingness to learn and adapt in a fast-paced environment
Passion about site reliability engineering and its impact on product development
Being connected to latest technologies, like Generative AI, and keen to put them in practice.

Job Responsibility

Understand the landscape, tooling and procedures used by developers at Citi and look for opportunities to reduce toil and aid simplification using Gen AI based solutions
Apply classic AI and novel Gen AI evaluation methodology to raise the quality and reliability bar for the software that you will deliver, as well to manage and mitigate risks that are specific/inherent to this field
Advice on Evaluation metrics, devise and implement Quantitative Testing Plans, and help evolve the existing approaches to AI evaluation
Work with a wide variety of Citi technology teams and help them drive towards everything-as-code and a codified controls environment
Collaborate with product and engineering teams to design, build and maintain scalable and reliable web applications and services
Be hands-on with coding and software design to ensure adherence to high quality standards and best practices
Mentor and nurture other engineers to help them grow their skills and expertise
Support and drive cultural change, including instigating critical thinking about controls and processes and encouraging a culture of continuous improvement.

What we offer

27 days annual leave (plus bank holidays)
A discretional annual performance-related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources.

Fulltime

Senior Software Engineer - Build AI Tools

This role sits within the newly formed GenAI Security team, which is responsible...

Location

United Kingdom , Belfast

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Highly motivated self-starter with excellent interpersonal and problem-solving skills
Bachelor’s degree or equivalent work experience
Good oral and written communication skills
Significant relevant industry work experience
Experience of the full lifecycle of design, implementation and running of enterprise software solutions involving cross functional team collaboration
Expertise in a major programming language such as Python and/or Go, and associated tooling (Git, Maven, IDEs, Jenkins, Bitbucket etc)
Expertise in designing and implementing secure APIs and libraries
Experience in Generative AI, LLM frameworks, LLM prompt engineering and/or adversarial testing is a bonus
Experience with Cyber engineering and Operations, which could include DevSecOps or MLSecOps
Experience contributing to the architecture and design (architecture, design patterns, reliability, scaling) of new and current systems

Job Responsibility

Designing, developing, optimizing, and enhancing a GenAI prompt security platform to protect firm AI/LLM-based applications from adversarial attacks and prompt injections
Building and automating a security testing framework to validate protection mechanisms for various LLM use cases
Owning solutions that are expected to operate and perform at scale across the organisation
Collaboration with multiple stakeholders and partners across Engineering and Operations as well as partner teams within the wider Citi organisation, across different time zones

What we offer

27 days annual leave (plus bank holidays)
A discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources

Fulltime

Senior Software Engineer - AI

Senior Software Engineer role focused on AI and data-driven systems to transform...

Location

Sweden , Malmö

Salary:

Not provided

IKEA

Expiration Date

Until further notice

Requirements

Software development principles
Programming language skills
Experience with Python (object-oriented)
Experience with REST-based frameworks like FastAPI
Frontend development skills
Cloud platform experience (Azure preferred)
Infrastructure-as-code experience (Terraform)
GitHub Actions for automation
Testing and quality focus
Experience with SSO, permissions, and access control

Job Responsibility

Design and develop cloud-based products
Build and evolve global application using AI and data
Enrich content with meaningful metadata
Create solutions for presenting and managing product information
Collaborate with cross-functional Agile team
Implement digital solutions for omnichannel content

Fulltime

Senior AI Software Engineer

AnaVation is seeking a Senior Agentic-AI Software engineer to join our team that...

Location

United States , Chantilly

Salary:

Not provided

AnaVation

Expiration Date

Until further notice

Requirements

Active TS/SCI clearance within last 24 months
BA/BS in Computer Science or related field
BS + 10 Yrs or MS + 8 Yrs experience in computer science, AI, Machine Learning, or related field
5+ years of experience in AI/ML development
At least 2 years focused on Agentic AI or autonomous systems
Proven track record of deploying production-grade AI systems
Strong problem-solving skills
Ability to work in a fast-paced, collaborative environment

Job Responsibility

Design, develop, and deploy advanced Agentic AI systems that autonomously perform complex tasks, make decisions, and interact with dynamic environments
Collaborate with cross-functional teams to deliver scalable, efficient, and ethical AI solutions
Architect and implement agentic AI systems capable of autonomous decision-making, task planning, and execution
Design and integrate multi-agent systems to solve complex problems
Develop and fine-tune large language models (LLMs) and reinforcement learning (RL) models
Implement robust APIs and interfaces to integrate AI agents with external systems
Optimize AI models for performance, scalability, and low-latency inference
Conduct rigorous testing, validation, and monitoring of AI agents
Collaborate with product managers, data scientists, and software engineers
Stay updated on latest advancements in Agentic AI, LLMs, and RL

What we offer

Generous cost sharing for medical insurance for employee and dependents
100% company paid dental insurance for employees and dependents
100% company paid long-term and short term disability insurance
100% company paid vision insurance for employees and dependents
401k plan with generous match and 100% immediate vesting
Competitive Pay
Generous paid leave and holiday package
Tuition and training reimbursement
Life and AD&D Insurance

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

As a Full-Stack Software Engineer in the Archer AI team, you will design, develo...

Location

United States , San Jose

Salary:

134400.00 - 168000.00 USD / Year

Archer Aviation

Expiration Date

Until further notice

Requirements

B.S. or M.S. degree in Computer Science, Software Engineering, or related field
5+ years of professional software engineering experience
Strong proficiency in JavaScript/TypeScript and frameworks such as React, Angular, or Vue for frontend development
Strong backend development experience with Node.js, Python, Java, or Go
Knowledge of containerization and orchestration (Docker, Kubernetes)
Experience building and consuming RESTful APIs and/or GraphQL
Familiarity with databases (SQL and NoSQL)
Understanding of software engineering best practices including CI/CD, version control (Git), testing, and code quality
Ability to work across the full stack and quickly adapt to new technologies

Job Responsibility

Designing, developing, testing, and deploying full-stack web applications
Building clean, responsive, and scalable user interfaces
Developing backend services, APIs, and data pipelines to support applications
Collaborating with cross-functional teams to gather requirements, define technical solutions, and deliver impactful software
Writing clean, maintainable, and well-documented code
Ensuring performance, security, and scalability of systems
Participating in code reviews, architecture discussions, and mentoring junior engineers
Staying current with modern frameworks, tools, and best practices in full-stack development

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 AI Engineer

Elsewhen, a London-based consultancy, designs and builds technology solutions fo...

Location

United Kingdom , London

Salary:

Not provided

Elsewhen

Expiration Date

Until further notice

Requirements

Professional AI engineering experience
Background in Software Engineering with Python
Solid understanding of the Python standard library and modern Python coding, testing, debugging and automation techniques
Hands-on experience building solutions using LLMs and Agentic architectures with ADK, LlamaIndex, or LangGraph
Working with vector databases for embedding and indexing
Strong experience with cloud platforms
Strong experience with API design and frameworks like FastAPI or Flask
Solid experience with relational databases and SQL
Interest in expanding your knowledge into GenAI and machine learning
Excellent communication skills and the ability to work well in a collaborative team environment

Job Responsibility

Experiment with POCs to find solutions for real-world problems using Large Language Models
Collaborate on AI-driven projects, working alongside engineers, product managers and AI specialists while maintaining clear documentation
Build and deploy Agentic LLM-based solutions with LangGraph
Familiar with different multi agent system patterns
Build and deploy LLM-based solutions using RAG
Familiar with different types of databases: Relational, Graph etc
Design and optimise APIs using Python and FastAPI to serve AI solutions
Familiar with GCP ecosystem and Cloudrun
Build and optimise data pipelines for vector search and knowledge retrieval using Vector databases and embedding models

What we offer

Private Health Insurance: Comprehensive coverage for both physical and mental health
Flexible and Remote-First Work Environment: Choose how and where you work, with the option for weekly team meet-ups in central London
Generous Leave Policy: 27 days of holiday plus bank holidays
Family-friendly policies, including enhanced maternity, paternity and shared
Learning and Development: Individual annual budget of £2,000 for learning and development, with dedicated learning days
Feel Better Fund: £500 to help set up your remote office
Social Events: Monthly and quarterly team events, an annual team trip, and half-yearly social events
Gym Membership Contribution: Support for maintaining your physical health
Pension Contribution: Enhanced employer pension contribution of 6%
Bonus Opportunities: Potential to receive a discretionary (non-contractual) bonus based on business and personal achievements

Senior Software Engineer – AI Solutions

Robert Half

Location:
United States , Atlanta

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 05, 2026

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