Function Calling Jobs - Remote & On-site

Function Calling roles at vetted startups and product companies. Listings updated daily and include remote-friendly positions and employers who share salary ranges. Browse and apply today.

AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

Field Nation

fieldnation.com
Field Nation operates a marketplace connecting companies with freelance field service technicians. Buyers post on-site work orders and independent contractors accept and complete them. The platform handles vetting, dispatch, payment and quality tracking.
fieldnation.com • HQ: Minneapolis, United States • Est. 2008
HQ: Minneapolis, United States • Est. 2008
Verified live · 9 hours ago 3 months ago

Senior Software Engineer - Data Team

Senior • 5+ years expIn office (Dhaka, Bangladesh) • Bachelor's Degree • Full-Time • Senior
Python
SQL
Python
FastAPI
Flask
Pydantic
AI/ML
Claude
Copilot
Cursor
Function Calling
Gemini
LLM
Pydantic AI
Streamlit
Anthropic
OpenAI
dbt
LangChain
LlamaIndex
RAG
Spark
DevOps
AWS
Docker
Kubernetes
GitHub
Analytics
ETL/ELT
Tableau
Apply
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Clerk

clerk.ai
Build verified Voice & RCS agents with Belle using natural language. Branded, trusted, and compliant by default — from idea to agentic in 10 minutes.
clerk.ai • Montreal • San Francisco • Virtual Events • E-learning • AI Agents
Montreal • San Francisco • Virtual Events • E-learning • AI Agents
Open 531 day 1 year ago

Staff Software Engineer

$191k – $358k per year (Estimated) • Equity • Staff+ • 10+ years expIn office (San Francisco, United States) • Staff
Go
Python
AI/ML
Fine-tuning
LLM
Prompt Engineering
RAG
Function Calling
Text-to-Speech
DevOps
WebRTC
Analytics
A/B Testing
Apply
Report

Fireworks AI

fireworks.ai
Fireworks AI is an artificial intelligence infrastructure company headquartered in Redwood City, California, and founded in 2022. The company provides a high-performance inference and training platform that enables developers to deploy, fine-tune, and scale open-source generative models with optimized speed and cost. It operates globally as a cloud-based service provider, catering to technology firms and enterprises seeking to integrate specialized intelligence into their applications through a serverless or dedicated API.
fireworks.ai • HQ: Redwood City, United States • Machine Learning • Cloud Computing • Information Technology • MLOps • LLM & Generative AI • Artificial Intelligence • 501-1000 employees • Est. 2022
HQ: Redwood City, United States • Machine Learning • Cloud Computing • Information Technology • MLOps • LLM & Generative AI • Artificial Intelligence • 501-1000 employees • Est. 2022
Verified live · 7 hours ago 3 months ago

Member of Technical Staff, Cloud Infrastructure, Singapore

$142k – $197k per year • Staff+ • 3+ years expIn office (Singapore) • Bachelor's Degree • Full-Time • Staff
Fireworks AI
Function Calling
LLM
Multimodal AI
PyTorch
Vertex AI
Amazon SageMaker
Apply
Report

ResMed

resmed.co.uk
ResMed is a global medical device and digital health company headquartered in San Diego, California, that specializes in cloud-connected solutions for sleep apnea, chronic obstructive pulmonary disease (COPD), and other respiratory conditions. Founded in 1989 in Australia, the company manufactures Continuous Positive Airway Pressure (CPAP) machines, masks, and life-support ventilators used in homecare and hospital settings. By integrating software platforms that remotely monitor patient therapy adherence, ResMed enables healthcare providers and patients to track respiratory health outcomes in real time.
resmed.co.uk • HQ: San Diego, United States • HQ: Didcot, United Kingdom • Commerce • Consumer Electronics • Health Care • 1001-5000 employees • Est. 1989
HQ: San Diego, United States • HQ: Didcot, United Kingdom • Commerce • Consumer Electronics • Health Care • 1001-5000 employees • Est. 1989
Verified live · 25 min ago 3 months ago

Senior AI Engineer, Platform Engineering

$119k – $248k per year (Estimated) • Senior • 5+ years expIn office (Halifax, Canada) • Full-Time • Senior
Go
Python
TypeScript
Databases
OpenSearch
AI/ML
AI Agents
Embeddings
Hybrid Search
LangGraph
LLM
RAG
Reranking
LangChain
AWS Strands Agents
Context Engineering
OpenAI
OpenAI Agents SDK
Structured Outputs
Function Calling
Langfuse
Model Context Protocol
DevOps
Datadog
Kubernetes
Platform Engineering
Vector
GitHub
Management
Confluence
Jira
Slack
Apply
Report

Banco Santander

santander.com
Banco Santander is a prominent multinational financial services company that provides retail, commercial, and investment banking products to millions of customers globally. The institution is recognized as one of the largest banking groups in the world, maintaining a dominant market presence throughout Europe and the Americas. Headquartered in Madrid, Spain, the global bank operates an extensive network of branches and subsidiaries to deliver tailored financial solutions to its diverse international client base.
santander.com • HQ: Madrid, Spain • Events & Ticketing • Corporate Events • Artificial Intelligence • Credit Cards • Financial Services • Banking • 1001-5000 employees
HQ: Madrid, Spain • Events & Ticketing • Corporate Events • Artificial Intelligence • Credit Cards • Financial Services • Banking • 1001-5000 employees
Verified live · 4 hours ago 3 months ago

Frontier Agentic AI Engineer — Santander AI Lab

$41k – $115k per year (Estimated) • Middle • 4+ years expRemote/Hybrid (Spain) • Bachelor's Degree • Full-Time • Middle • Spanish: B2 • English: B2
Python
Python
FastAPI
AI/ML
AI Agents
AutoGen
AWS Bedrock
Claude
CrewAI
Fine-tuning
Langfuse
LangGraph
Llama
LLM
LoRA
Mistral
Model Context Protocol
Ollama
Promptfoo
RLHF
Semantic Kernel
Unsloth
vLLM
Windsurf
LangChain
PEFT
A2A
Amazon SageMaker
Anthropic
Devin
GraphRAG
Knowledge Graph
OpenAI
SFT
Function Calling
DevOps
AWS
AWS Lambda
CI/CD
Docker
Git
Kubernetes
Rest API
Terraform
Amazon S3
Apply
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Serval

serval.io
serval.io • HQ: San Francisco, United States • Information Technology
HQ: San Francisco, United States • Information Technology
Top 25% payVerified live · 2 hours ago 3 months ago

Security Engineer, Application

$200k – $325k per year • Staff+ • 10+ years expIn office (San Francisco, United States) • Full-Time • Staff
Perplexity
Function Calling
AI Agents
DevOps
CI/CD
Vercel
Cybersecurity
Threat Modeling
Management
Notion
Apply
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Magnet Forensics

magnetforensics.com
Magnet Forensics is a company that specializes in providing digital forensics and incident response tools. Their solutions, such as Magnet AXIOM and Magnet GrayKey, are used by law enforcement, military, intelligence, and enterprise organizations to recover, analyze, and manage digital evidence. They offer a wide range of tools to support digital investigations, including data extraction from mobile devices, video recovery, and workflow automation.
magnetforensics.com • Toronto • Ontario • Gothenburg • Waterloo • Ottawa • Homeland Security • National Security • Incident Response
Toronto • Ontario • Gothenburg • Waterloo • Ottawa • Homeland Security • National Security • Incident Response
Verified live · 8 hours ago 3 months ago

Product Management Lead, AI

$92k – $208k per year (Estimated) • Lead • 7+ years expIn office (Waterloo, Canada) • Full-Time • Staff
Prompt Engineering
Human-in-the-Loop
AI Agents
Function Calling
LLM
RAG
LLM Guardrails
Analytics
A/B Testing
Management
Jira
Marketing
Amplitude
Apply
Report

Horizon3

horizon3.ai
Horizon3.ai is a cybersecurity company that specializes in autonomous threat detection and proactive security validation. Its flagship platform, NodeZero, acts as an autonomous penetration testing solution that continuously discovers, tests, and verifies exploitable vulnerabilities across an organization's internal and external infrastructure. By simulating real-world attacker tactics, Horizon3.ai enables IT and security teams to fix critical security gaps before adversaries can exploit them.
horizon3.ai • Chicago • Amsterdam • San Francisco • Las Vegas • Seattle • Artificial Intelligence • Cybersecurity • Penetration Testing
Chicago • Amsterdam • San Francisco • Las Vegas • Seattle • Artificial Intelligence • Cybersecurity • Penetration Testing
Top 25% payVerified live · 4 hours ago 3 months ago

Senior Software Engineer, Agentic Systems

$169k – $208k per year • Senior • 5+ years exp • Remote (United States) • Full-Time • Senior
Python
Databases
Neo4j
AI/ML
AWS Bedrock
Function Calling
LLM
AI Agents
Context Engineering
Structured Outputs
Fine-tuning
GRPO
LLM Evaluation
SFT
DevOps
AWS
Apply
Report

Elliptic

elliptic.co
Elliptic is a blockchain analytics and cryptocurrency compliance software company headquartered in London, United Kingdom, and founded in 2013. The firm develops a platform for real-time wallet and transaction screening, entity due diligence, and cross-chain investigations to detect and prevent financial crime. Serving global financial institutions, digital asset exchanges, and government agencies, the company provides intelligence across more than 65 blockchains and covers the vast majority of global trading volume.
elliptic.co • HQ: London, United Kingdom • Law Enforcement • Government • Security Compliance • Risk Management • Financial Services • Cybersecurity • Blockchain & Crypto • Blockchain Analytics • Est. 2013
HQ: London, United Kingdom • Law Enforcement • Government • Security Compliance • Risk Management • Financial Services • Cybersecurity • Blockchain & Crypto • Blockchain Analytics • Est. 2013
$121k – $191k per year (Estimated) • Senior • 8+ years expRemote/Hybrid (London, United Kingdom) • Full-Time • Senior
Node JS
SQL
TypeScript
JavaScript
Databases
PostgreSQL
pgvector
Pinecone
AI/ML
Claude
Copilot
Cursor
LangChain
LangGraph
LLM
Prompt Engineering
AI Agents
Function Calling
Human-in-the-Loop
Structured Outputs
Fine-tuning
Langfuse
LangSmith
RAG
Anthropic
Arize Phoenix
OpenAI
DevOps
AWS
AWS Lambda
Amazon ECS
Amazon S3
Datadog
Kubernetes
Terraform
Vector
Apply
Report

Exactera

exactera.com
Learn about Exactera and reimagine what’s possible at the intersection of global tax and AI-powered technology. Explore career options today.
exactera.com • San Diego • Rosario • Data & Analytics • Artificial Intelligence • Financial Services • FinTech
San Diego • Rosario • Data & Analytics • Artificial Intelligence • Financial Services • FinTech
Verified live · 2 days ago 3 months ago

Principal Product Manager (Agentic Platform)

$132k – $257k per year (Estimated) • Lead • 10+ years exp • Remote (United States) • Principal
Databricks
Delta Lake
AI/ML
AI Agents
Function Calling
Human-in-the-Loop
LLM Guardrails
Model Context Protocol
Apply
Report

Accellor

accellor.com
Accellor is an AI-first digital transformation and technology services firm headquartered in Frisco, Texas, and founded in 2018. The company develops purpose-built artificial intelligence solutions, including agentic AI for supply chain optimization, AI-assisted software engineering, and intelligent automation for sectors like healthcare and financial services. It operates globally with a focus on scaling AI from proof of concept to enterprise-wide production through strategic partnerships with major technology providers like Salesforce and Microsoft.
accellor.com • HQ: Frisco, United States • Health Care • Business Process Automation (BPA) • Software • AI Agents • LLM & Generative AI • Artificial Intelligence • Information Technology • IT Consulting • Est. 2018
HQ: Frisco, United States • Health Care • Business Process Automation (BPA) • Software • AI Agents • LLM & Generative AI • Artificial Intelligence • Information Technology • IT Consulting • Est. 2018
Verified live · 1 day ago 3 months ago

Forward Deployment Engineer - Frontier AI Deployments

$124k – $278k per year (Estimated)In office (San Francisco, United States)
C++
Go
JavaScript
Python
Rust
TypeScript
AI/ML
ChatGPT
Embeddings
Function Calling
LLM
RAG
AI Agents
Context Engineering
OpenAI
OpenAI Codex
DevOps
Platform Engineering
CI/CD
Docker
Kubernetes
Vector
Apply
Verified live · 1 day ago 3 months ago

AI Principal Engineer

$162k – $346k per year (Estimated) • Lead • 10+ years expIn office (San Francisco, United States) • Principal
C++
Go
Java
Python
Rust
TypeScript
C++
PyTorch C++
TensorFlow C++
AI/ML
AI Agents
ChatGPT
CUDA Toolkit
Function Calling
JAX
LLM
Multimodal AI
PyTorch
Ray
Reinforcement Learning
TensorFlow
vLLM
CUDA
Triton
Context Engineering
LLM Evaluation
NCCL
OpenAI
OpenAI Codex
Post-training
Pre-training
Hallucination
RAG
DevOps
Kubernetes
Platform Engineering
CI/CD
Docker
Grafana
OpenTelemetry
Prometheus
Terraform
Apply
Report

Ubisoft

ubisoft.com
Ubisoft is a leading global video game publisher and developer headquartered in France, renowned for creating immersive interactive entertainment across consoles, PC, and mobile platforms. The company maintains an extensive network of development studios worldwide responsible for iconic franchises such as Assassin’s Creed, Far Cry, Tom Clancy’s Rainbow Six, Just Dance, and Rayman.
ubisoft.com • HQ: Saint-Mandé, France • Gaming • Console Games • PC Games • Game Development • 501-1000 employees
HQ: Saint-Mandé, France • Gaming • Console Games • PC Games • Game Development • 501-1000 employees
Verified live · 1 hour ago 3 months ago

Site Reliability Engineer – AI Applications (M/W/X)

$47k – $101k per year (Estimated)In office (Saint-Mandé, France) • Full-Time • Senior
Python
Rust
AI/ML
Hybrid Search
LLM
AI Agents
Model Context Protocol
Embeddings
RAG
Function Calling
DevOps
CI/CD
Docker
GitLab CI
Incident Management
Kubernetes
Platform Engineering
Progressive Delivery
SRE
GitLab
Vector
Apply
Report

Ironclad

ironcladapp.com
Ironclad is a contract lifecycle management software company headquartered in San Francisco, California, and founded in 2014. The company offers a digital contracting platform that automates the creation, negotiation, approval, signature, and storage of business agreements, with AI features for extracting and reviewing contract terms. It serves legal, sales, and procurement teams at enterprises and technology companies, and is backed by venture investors including Accel, Sequoia Capital, and Y Combinator.
ironcladapp.com • HQ: San Francisco, United States • LLM & Generative AI • Business Process Automation (BPA) • Professional Services • Artificial Intelligence • Document Management • Legal Services • Software • Est. 2014
HQ: San Francisco, United States • LLM & Generative AI • Business Process Automation (BPA) • Professional Services • Artificial Intelligence • Document Management • Legal Services • Software • Est. 2014
Top 25% payVerified live · 1 day ago 3 months ago

Senior Software Engineer, AI - Squad Team

$180k – $220k per year • Equity • Senior • Remote/Hybrid (San Francisco, United States) • Full-Time • Senior
JavaScript
Node JS
TypeScript
AI/ML
LLM
AI Agents
Function Calling
Frontend
React.js
Apply
Report

Mirantis

mirantis.com
Mirantis is a B2B open-source cloud computing, container management, and AI infrastructure company headquartered in Campbell, California. Originally known as a core contributor to OpenStack, Mirantis now provides open-cloud software and managed services centered on Kubernetes, multi-cloud platforms, and enterprise AI workloads.
mirantis.com • Calgary • Warsaw • Brussels • Prague • Poznań • DevOps • Information Technology • Cloud Computing • 1001-5000 employees
Calgary • Warsaw • Brussels • Prague • Poznań • DevOps • Information Technology • Cloud Computing • 1001-5000 employees
Verified live · 2 hours ago 3 months ago

Intern — Integration Developer

Intern • Remote/Hybrid (Almaty, Kazakhstan) • Internship • Principal
JavaScript
Node JS
Python
SQL
Apex
Apex
MuleSoft
AI/ML
AI Agents
AutoGen
Claude
CrewAI
LangChain
LLM
RAG
Semantic Search
Model Context Protocol
OpenAI
Semantic Search
Copilot
Cursor
Hallucination
Function Calling
Frontend
GraphQL
DevOps
Docker
Git
Kubernetes
Platform Engineering
Rest API
GitHub
AWS
Cybersecurity
Least Privilege
Management
Zapier
Jira
Apply
Report

Simular

simular.ai
Simular is an artificial intelligence company based in Palo Alto, California, and was founded in 2023. The company develops autonomous AI agents, such as its Sai co-worker and S2 framework, which automate complex digital tasks by interacting directly with computer interfaces and web browsers. It operates as a venture-backed startup focusing on the research and deployment of computer-use models for knowledge workers and enterprise teams.
simular.ai • HQ: Palo Alto, United States • Productivity Software • Business Process Automation (BPA) • Software • AI Agents • Artificial Intelligence • Est. 2023
HQ: Palo Alto, United States • Productivity Software • Business Process Automation (BPA) • Software • AI Agents • Artificial Intelligence • Est. 2023
Verified live · 7 hours ago 3 months ago

Security Engineer

$69k – $178k per year (Estimated) • Middle • 3+ years expIn office (Singapore) • Bachelor's Degree • Full-Time • Middle
Python
TypeScript
AI/ML
AI Agents
Function Calling
DevOps
AWS
CI/CD
GCP
Kubernetes
Cybersecurity
SOC 2
Threat Modeling
Apply
Report

Phrase

phrase.com
Phrase is the AI-powered language intelligence platform for enterprise. Automate workflows, connect any tool or engine, and scale multilingual content globally.
phrase.com • Artificial Intelligence • Professional Services • Translation Services • Est. 2012
Artificial Intelligence • Professional Services • Translation Services • Est. 2012
Verified live · 1 day ago 3 months ago

Principal AI Researcher

$98k – $234k per year (Estimated) • Lead • In office • PhD • Full-Time • Principal
Python
AI/ML
Claude
Fine-tuning
Gemini
LangGraph
LLM
LoRA
NLP
Prefect
Pydantic AI
PyTorch
Reinforcement Learning
RLHF
Vertex AI
vLLM
Weights & Biases
LangChain
PEFT
Amazon SageMaker
DPO
Flyte
Hugging Face
Human-in-the-Loop
OpenAI
Pre-training
Structured Outputs
AI Agents
Function Calling
TGI
DevOps
AWS
GCP
Apply
Report

Persona AI

persona.ai
Persona AI is a humanoid robotics startup founded in 2024 to build industrial robots for shipbuilding and heavy fabrication. Its founding team came from Apptronik, NASA's Valkyrie programme and conversational artificial intelligence startups. The company works with Korean shipbuilder HD Hyundai on welding robots for dangerous shipyard tasks.
persona.ai • HQ: Houston, United States • Humanoid Robots • Military Robotics • Robotics AI • 201-500 employees • Est. 2024
HQ: Houston, United States • Humanoid Robots • Military Robotics • Robotics AI • 201-500 employees • Est. 2024
Verified live · 1 hour ago 3 months ago

Reinforcement Learning Engineer, Grasping

$99k – $231k per year (Estimated) • Junior • 2+ years expIn office (Houston, United States) • Bachelor's Degree • Full-Time • Junior
Python
AI/ML
JAX
PyTorch
Reinforcement Learning
Function Calling
Robotics
Imitation Learning
Isaac Lab
Isaac Sim
MuJoCo
Reinforcement Learning
Sim-to-Real
Apply
Report

Patlytics

patlytics.ai
Patent discovery, analytics, comparison, and workflow. Simplified via Artificial Intelligence.
patlytics.ai • New York • London • Munich • Paris • Toronto • Higher Education • Venture Capital • Artificial Intelligence
New York • London • Munich • Paris • Toronto • Higher Education • Venture Capital • Artificial Intelligence
Verified live · 1 day ago 3 months ago

AI Engineer

$140k – $307k per year (Estimated)Remote/Hybrid (New York, United States, Toronto, Canada) • Full-Time
Python
SQL
AI/ML
Claude
Fine-tuning
Gemini
LLM
Pandas
Spark
Post-training
Structured Outputs
AI Agents
Function Calling
DevOps
AWS
GCP
Vector
Apply
Report

Headway

headway.co
Headway is building a new mental healthcare system, rewired for access and affordability. We all know someone that has struggled with mental health - 1 in 4 people have a treatable mental health con...dition - but the overwhelming majority don't g...
headway.co • HQ: New York, United States • Health Care • Digital Health • Mental Health • Est. 2019
HQ: New York, United States • Health Care • Digital Health • Mental Health • Est. 2019
Top 25% payVerified live · 2 hours ago 3 months ago

Staff Product Manager, AI Platform

$265k – $332k per year • Staff+ • 8+ years expNew YorkSan FranciscoSeattle • Remote (United States) • Full-Time • Staff
Snowflake
AI/ML
AI Agents
Prompt Engineering
RAG
Function Calling
DevOps
GitHub
Management
Google Workspace
Jira
Slack
Apply
Report

Writer

writer.com
Writer is an enterprise generative artificial intelligence company headquartered in San Francisco, California, and founded in 2020. The company provides a full-stack platform that includes proprietary large language models, an integrated graph-based retrieval-augmented generation system, and tools for building autonomous AI agents. It serves Fortune 500 companies across sectors such as financial services, healthcare, and retail, focusing on delivering secure and compliant AI applications for marketing, sales, and operations.
writer.com • HQ: San Francisco, United States • Business Process Automation (BPA) • Software • Marketing Automation • Sales & Marketing • LLM & Generative AI • AI Agents • Artificial Intelligence • Est. 2020
HQ: San Francisco, United States • Business Process Automation (BPA) • Software • Marketing Automation • Sales & Marketing • LLM & Generative AI • AI Agents • Artificial Intelligence • Est. 2020
Top 25% payVerified live · 8 hours ago 3 months ago

AI research scientist

$234k – $349k per year • Equity • Senior • 7+ years expRemote/Hybrid (San Francisco, New York, Seattle, United States) • PhD • Full-Time • Senior
Python
AI/ML
AI Agents
Fine-tuning
JAX
LLM
NLP
PyTorch
Reinforcement Learning
RLHF
Synthetic Data
DPO
GRPO
Post-training
Pre-training
SFT
Function Calling
Apply
Report
Function Calling Jobs - Remote & On-site
Frequently asked questions
Function Calling: How many jobs are available now?
There are 504 Function Calling jobs on Alion right now.
Function Calling: What is the average salary for these roles?
The average salary for Function Calling roles on Alion is $205,045 per year.
Function Calling: Are remote, relocation, or visa options available?
Many Function Calling listings are remote-friendly or hybrid, and some companies provide relocation or visa sponsorship.
Function Calling: How do I apply on Alion?
Log in to Alion, view a Function Calling job posting, and click Apply to submit your resume and profile to the hiring team.