Tech Jobs in Leiden

Leiden jobs in Leiden hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $182,454/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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

N-iX

n-ix.com
N-iX is a global software development and IT consulting company founded in Lviv, Ukraine, in 2002. The firm partners with enterprise clients, mid-sized businesses, and tech startups to deliver custom software engineering, cloud transformation, AI and data analytics, and embedded systems solutions. Operating across multiple delivery hubs in Europe and the Americas, it focuses on helping organizations scale their engineering capabilities and accelerate digital transformation.
n-ix.com • HQ: Lviv, Ukraine • HQ: Valletta, Malta • Data & Analytics • Artificial Intelligence • Software • 1001-5000 employees • Est. 2002
HQ: Lviv, Ukraine • HQ: Valletta, Malta • Data & Analytics • Artificial Intelligence • Software • 1001-5000 employees • Est. 2002
$72k – $84k per year • Senior • 4+ years expKraków • Remote (Europe) • Bachelor's Degree • Senior
Python
SQL
Databases
SAP HANA
Snowflake
DevOps
Azure
GCP
Cybersecurity
GDPR
Apply
Report

Postscript

postscript.io
Postscript is an e-commerce SaaS platform specializing in SMS marketing, automated messaging, and conversational commerce built exclusively for Shopify merchants. The platform provides direct-to-consumer (DTC) brands with tools to capture compliant subscriber opt-ins, execute personalized SMS/MMS campaigns, and conduct interactive two-way text conversations.
postscript.io • Commerce • Sales & Marketing • E-commerce Marketing • Est. 2018
Commerce • Sales & Marketing • E-commerce Marketing • Est. 2018
Top 25% payVerified live · 9 hours ago 1 month ago

Staff Platform Engineer

$190k – $230k per year • Staff+ • 5+ years exp • Remote • Staff
Python
Rust
Databases
PostgreSQL
AI/ML
AI Agents
Model Context Protocol
DevOps
Amazon EKS
AWS
GitOps
Karpenter
Kubernetes
Kustomize
Terraform
IAM
Apply
Report

Boldin

boldin.com
Boldin (formerly known as NewRetirement) is a financial technology company providing a collaborative financial planning and retirement modeling SaaS platform. Designed to bridge the gap between simple retirement calculators and traditional wealth management firms, the software delivers comprehensive accumulation and decumulation scenario planning for individual investors. Its proprietary modeling engine enables users to run Monte Carlo simulations, aggregate net worth data, optimize tax and Roth conversion strategies, analyze Social Security timing, and forecast healthcare and real estate costs.
boldin.com • Personal Finance • Wealth Management • Financial Services
Personal Finance • Wealth Management • Financial Services
Verified live · 4 hours ago 2 months ago

Senior Product Manager

$120k – $226k per year (Estimated) • Senior • 8+ years exp • Remote • Full-Time • Senior
Apply
Verified live · 4 hours ago 1 month ago

Full Stack Engineer

$67k – $191k per year (Estimated) • Middle • 4+ years exp • Remote • Full-Time • Middle
Ruby
TypeScript
JavaScript
Ruby
Ruby on Rails
Sidekiq
Databases
PostgreSQL
Frontend
React.js
Material UI
Redux
SWR
Yarn
DevOps
AWS
Marketing
ActiveCampaign
Apply
Report

LiveKit

livekit.io
LiveKit is an open-source real-time audio, video, and AI voice infrastructure platform headquartered in San Francisco. The company provides cloud and developer infrastructure designed to build ultra-low-latency video conferencing, live streaming, and interactive multimodal AI voice agents into web and mobile applications. Powered by flexible SDKs and scalable server orchestration, LiveKit is widely used by developers and enterprise teams to deploy real-time voice and video applications at global scale.
livekit.io • HQ: San Francisco, San Jose, United States • Artificial Intelligence • AI Agents • Speech & Audio AI • Est. 2021
HQ: San Francisco, San Jose, United States • Artificial Intelligence • AI Agents • Speech & Audio AI • Est. 2021
Top 25% payVerified live · 3 hours ago 13 days ago

Research Engineer (Reinforcement Learning)

$135k – $300k per year • Equity • Remote (EMEA, North America) • Full-Time
Python
AI/ML
Synthetic Data
PEFT
LiveKit
OpenAI
Post-training
Fine-tuning
Llama
LoRA
Qwen
Reinforcement Learning
SGLang
vLLM
FSDP
GRPO
LLM Evaluation
Marketing
Salesforce
Apply
Open 594 daysTop 25% pay 1 year ago

Software Engineer, Agents

$135k – $300k per year • Equity • Remote (EMEA, North America) • Full-Time
Python
TypeScript
AI/ML
AI Agents
LLM
LiveKit
OpenAI
Marketing
Salesforce
Apply
Top 25% payVerified live · 3 hours ago 1 month ago

Staff Software Engineer, Distributed Systems

$135k – $300k per year • Equity • Staff+ • Remote (EMEA, North America) • Full-Time • Staff
Go
Databases
ClickHouse
NATS
AI/ML
Multimodal AI
LiveKit
OpenAI
DevOps
gRPC
Kubernetes
OpenTelemetry
Prometheus
GitHub
etcd
Apply
Report

Ciq

ciq.com
Ciq is a company that provides a platform for managing cybersecurity risks. They offer a variety of services, including threat intelligence, vulnerability management, and compliance. The company's mission is to help businesses reduce their cybersecurity risks.
ciq.com • Artificial Intelligence • Information Technology • Operating Systems • Est. 2020
Artificial Intelligence • Information Technology • Operating Systems • Est. 2020
Verified live · 9 hours ago 13 days ago

Sr. Customer Support Engineer

$87k – $199k per year (Estimated) • Equity • Senior • 7+ years exp • Remote • Bachelor's Degree • Senior • Arabic: C1
Bash
Python
DevOps
Ansible
AWS
Azure
CI/CD
Configuration Management
eBPF
GCP
GitHub Actions
GitLab CI
Kubernetes
KVM
Podman
QEMU
GitHub
GitLab
HPC
Apply
Open 118 daysVerified live · 9 hours ago 3 months ago

Sr./Principal Performance Engineer

$112k – $243k per year (Estimated) • Equity • Lead • 15+ years exp • Remote • PhD • Principal
C
C
MPI
AI/ML
LLM
ONNX
OpenMP
Quantization
TensorRT
vLLM
AI Agents
InfiniBand
DevOps
CI/CD
eBPF
SLURM
HPC
Apply
Verified live · 9 hours ago 1 month ago

Linux Kernel Development Engineer

$82k – $188k per year (Estimated) • Equity • Senior • 5+ years exp • Remote • Bachelor's Degree • Senior
Git
HPC
Apply
Report

Fueled

fueled.com
Fueled is a digital product agency headquartered in New York City and founded in 2008. The company designs and builds mobile and web applications for clients ranging from early stage startups to large consumer brands, covering strategy, interface design, engineering, and post-launch growth. It runs studios in the United States and India and has produced apps that have won app store features and design awards.
fueled.com • HQ: New York, United States • Digital Design • Web Development • UI/UX Design • Design & Creative • Software • Mobile App Development • Est. 2008
HQ: New York, United States • Digital Design • Web Development • UI/UX Design • Design & Creative • Software • Mobile App Development • Est. 2008
Open 110 daysVerified live · 2 hours ago 3 months ago

Lead UX Designer | EMEA | Contract

$118k – $208k per year (Estimated) • Lead • 6+ years exp • Remote (EMEA) • Contractor • Staff
PHP
PHP
WordPress
Apply
Report

Refurbed

refurbed.de
Refurbed is a leading provider of refurbished electronics. We offer a wide range of products, including laptops, smartphones, and tablets. Our products are carefully inspected and refurbished to the highest standards.
refurbed.de • Vienna • Marketplaces • Consumer Electronics • Laptops • 201-500 employees • Est. 2017
Vienna • Marketplaces • Consumer Electronics • Laptops • 201-500 employees • Est. 2017
Verified live · 1 day ago 14 days ago

Senior Full-Stack Engineer (f/m/x) - remote

$92k – $226k per year (Estimated) • Senior • Remote (Europe) • Senior
Go
JavaScript
TypeScript
Databases
PostgreSQL
Redis
Frontend
Vue.js
DevOps
gRPC
Analytics
A/B Testing
Apply
Open 278 daysVerified live · 1 day ago 9 months ago

Senior Backend Engineer (f/m/x) - remote

$93k – $227k per year (Estimated) • Senior • 7+ years exp • Remote (Europe) • Bachelor's Degree • Senior
Go
SQL
JavaScript
Databases
PostgreSQL
RabbitMQ
Redis
Frontend
Alpine.js
Tailwind CSS
Vue.js
DevOps
GCP
gRPC
Kubernetes
Apply
Report
Vertex Pharmaceuticals is a global biotechnology company based in Boston, Massachusetts, specializing in the discovery, development, and commercialization of small molecule and cell therapies for serious, life-threatening diseases.
vrtx.com • HQ: Boston, United States • HQ: London, United Kingdom • Biopharma • Health Care • Pharmaceuticals • 501-1000 employees • Est. 1989
HQ: Boston, United States • HQ: London, United Kingdom • Biopharma • Health Care • Pharmaceuticals • 501-1000 employees • Est. 1989
Top 25% payVerified live · 1 day ago 14 days ago

Materials Management Technical Support, Senior Manager

$129k – $193k per year • Equity • Senior • 6+ years expIn office (Leiden, Netherlands) • Full-Time • Senior
Apply
Top 25% payVerified live · 1 day ago 1 month ago

Lab Automation Engineer

$86k – $128k per year • Equity • Junior • 1+ year expIn office (Leiden, Netherlands) • Bachelor's Degree • Full-Time • Junior
C++
Python
SQL
DevOps
CI/CD
Git
Apply
Report
Nationale-Nederlanden Poland is a leading financial institution that provides a comprehensive range of insurance, pension, and investment products. As part of a major international group, the company helps individuals and businesses secure their financial futures through tailored life, health, and property insurance solutions. Driven by a focus on digital innovation and customer care, it supports clients in managing risks and planning long-term financial stability.
nn.pl • Warsaw • The Hague • Budapest • Amsterdam • Rotterdam • Financial Services • Wealth Management • Insurance • 1001-5000 employees
Warsaw • The Hague • Budapest • Amsterdam • Rotterdam • Financial Services • Wealth Management • Insurance • 1001-5000 employees
Verified live · 1 day ago 14 days ago

Data Engineering Lead / Evangelist

$114k – $271k per year (Estimated) • Lead • 5+ years expThe Hague • Remote (Belgium, Czech Republic, Netherlands) • Full-Time • Staff
Databricks
DevOps
Platform Engineering
Apply
Report

Sourcegraph

sourcegraph.com
Founded in 2013, Sourcegraph is an AI-powered code intelligence platform designed to help software engineers search, understand, and automate edits across massive codebases. The platform offers universal code search and an AI coding assistant named Cody, enabling developers to navigate complex repositories, speed up context gathering, and fix issues faster. By integrating directly into existing developer workflows and hosting environments, the company helps large engineering teams scale productivity and maintain code quality.
sourcegraph.com • Media & Entertainment • Books • Artificial Intelligence • Code Intelligence • Est. 2013
Media & Entertainment • Books • Artificial Intelligence • Code Intelligence • Est. 2013
Verified live · 1 day ago 1 month ago

Senior Product Marketing Manager [IC4]

$120k – $202k per year (Estimated) • Senior • 5+ years exp • Remote • Internship • Senior
AI Agents
Model Context Protocol
QA
Rest-Assured
Apply
Verified live · 1 day ago 1 month ago

Software Engineer/Tech Lead - Code Plane [IC5]

$114k – $256k per year (Estimated) • Lead • 8+ years exp • Remote • Internship • Staff
JavaScript
Go
TypeScript
Databases
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
Cursor
Model Context Protocol
Frontend
Svelte
GraphQL
SvelteKit
DevOps
Docker
Kubernetes
QA
Rest-Assured
Apply
Verified live · 1 day ago 1 month ago

Software Engineer - Platform [IC3]

Remote
Model Context Protocol
DevOps
AWS
Azure
CDKTF
GCP
Kubernetes
SLI/SLO/SLA
Terraform
gRPC
QA
Rest-Assured
Apply
Report

Kota

kota.com
Kota is an employee benefits technology company headquartered in Dublin, Ireland, and founded in 2022. The company sells an API and platform that lets employers set up and administer health insurance, pensions, and other benefits digitally, and lets software vendors embed those benefits into their own products. It operates in Ireland, the United Kingdom, and the Netherlands, targeting small and mid-sized employers that previously arranged benefits through brokers and paperwork.
kota.com • HQ: Dublin, Ireland • Digital Health • Health Care • FinTech • Human Resources • Professional Services • Insurance • Financial Services • Est. 2022
HQ: Dublin, Ireland • Digital Health • Health Care • FinTech • Human Resources • Professional Services • Insurance • Financial Services • Est. 2022
Verified live · 1 day ago 14 days ago

Senior AI Product Engineer

$93k – $191k per year (Estimated) • Equity • Senior • 5+ years expLondonDublin • Remote (EU, Europe) • Full-Time • Senior
JavaScript
AI/ML
AI Agents
LLM
Function Calling
OpenAI
Frontend
Bootstrap
DevOps
AWS
Azure
Apply
Report

DoiT

doit-intl.com
Cloud, simplified. We help cloud-driven organizations understand and harness the cloud to drive business growth. We do this by providing intelligent technology and continuous engagement with unrivaled cloud expertise.
doit-intl.com • HQ: Santa Clara, United States • Software • Cloud Management • Information Technology • Cloud Computing
HQ: Santa Clara, United States • Software • Cloud Management • Information Technology • Cloud Computing
Verified live · 1 day ago 1 month ago

Engineering Manager -Analytics House

$64k – $134k per year (Estimated) • Equity • Lead • 10+ years exp • Remote (Netherlands) • Internship • Staff
SQL
Databases
Google BigQuery
AI/ML
AI Agents
DevOps
AWS
Azure
GCP
Kubernetes
Apply
Verified live · 1 day ago 1 month ago

Technical Product Owner - Core Services

Equity • Senior • 7+ years exp • Remote (EMEA, United States) • Full-Time • Senior
AWS
Azure
FinOps
GCP
Kubernetes
IAM
Apply
Verified live · 1 day ago 2 months ago

Senior Cloud Architect, Delivery (GenAI)

$73k – $173k per year (Estimated) • Equity • Staff+ • 4+ years exp • Remote (Netherlands, United Kingdom) • Bachelor's Degree • Contractor • Architect
Amazon Redshift
Google BigQuery
AI/ML
AI Agents
AWS Bedrock
Fine-tuning
Multimodal AI
Prompt Engineering
PyTorch
TensorFlow
Vertex AI
Amazon SageMaker
LLM Guardrails
RLHF
Hugging Face
DevOps
Amazon EKS
AWS
AWS Fargate
AWS Lambda
Azure
CI/CD
FinOps
GCP
Kubernetes
SLI/SLO/SLA
Terraform
Amazon CloudWatch
Amazon S3
API Gateway
AWS Step Functions
IAM
Cybersecurity
Least Privilege
Apply
Report

PostHog

posthog.com
PostHog is a product analytics company headquartered in San Francisco, California, and founded in 2020 by James Hawkins and Tim Glaser. The company builds an open source platform combining product analytics, session replay, feature flags, A/B testing, surveys, and error tracking that teams can self-host or run on its cloud. It went through Y Combinator, operates as a fully remote organisation, and publishes its internal handbook and pricing openly.
posthog.com • HQ: San Francisco, United States • Analytics Platforms • Software • Web Analytics • Product Analytics • Data & Analytics • Est. 2020
HQ: San Francisco, United States • Analytics Platforms • Software • Web Analytics • Product Analytics • Data & Analytics • Est. 2020
Verified live · 1 day ago 15 days ago

Backend Engineer - Ingestion (Europe/UK timezone)

$84k – $207k per year (Estimated) • Remote (Europe) • Full-Time
Go
Node JS
Rust
SQL
JavaScript
Databases
Apache Kafka
ClickHouse
PostgreSQL
Redis
AI/ML
AI Agents
DevOps
Amazon S3
Management
Slack
Apply
Verified live · 1 day ago 20 days ago

Technical Customer Success Manager - EMEA

Remote (EMEA) • Full-Time
SQL
AI/ML
AI Agents
Analytics
A/B Testing
Management
Slack
Apply
Open 228 daysVerified live · 1 day ago 7 months ago

Technical Account Manager - EMEA

Remote (EMEA) • Full-Time
SQL
AI/ML
AI Agents
Analytics
A/B Testing
Management
Slack
Apply
Report

Walrusfoundation

walrusfoundation.org
walrusfoundation.org • Web3 & dApps • Blockchain & Crypto • Blockchain Infrastructure
Web3 & dApps • Blockchain & Crypto • Blockchain Infrastructure
Verified live · 2 days ago 17 days ago

Staff Product Designer

$121k – $218k per year (Estimated) • Staff+ • 8+ years exp • Remote (EU, Europe) • Full-Time • Staff
Apply
Report

Phantom

phantom.app
Phantom is a non-custodial cryptocurrency wallet that serves as a user-friendly gateway for managing digital assets, NFTs, and decentralized applications across multiple blockchains including Solana, Ethereum, and Bitcoin. Originally built for the Solana ecosystem, the platform allows users to securely trade tokens, stake assets, and interact with various Web3 services directly from their browser or mobile device.
phantom.app • HQ: San Francisco, United States • Web3 & dApps • Blockchain & Crypto • Crypto Wallets
HQ: San Francisco, United States • Web3 & dApps • Blockchain & Crypto • Crypto Wallets
Verified live · 1 day ago 17 days ago

Staff DevOps Engineer (Platform)

$132k – $283k per year (Estimated) • Staff+ • 8+ years exp • Remote (EU, United States, United Kingdom) • Full-Time • Staff
JavaScript
Frontend
React.js
Mobile
Maestro
Expo
React Native
DevOps
AWS
CI/CD
Docker
GitHub Actions
GitLab CI
Kubernetes
Platform Engineering
Pulumi
Terraform
GitHub
GitLab
Web3
Bitcoin
Ethereum
Polygon
Solana
QA
Playwright
Apply
Report

Datacor

datacor.com
Datacor is a software company based in Florham Park, New Jersey, and was founded in 1981. It provides industry-specific enterprise resource planning (ERP), manufacturing execution systems (MES), and chemical process simulation software tailored for process manufacturers and chemical distributors. The company serves a global customer base across sectors including chemicals, food and beverage, and energy, focusing on optimizing operational efficiency and regulatory compliance.
datacor.com • HQ: Florham Park, United States • Supply Chain • Transportation & Logistics • Chemical Manufacturing • Simulation & Digital Twin • Manufacturing • Software • Enterprise Resource Planning (ERP) • Process Manufacturing • Est. 1981
HQ: Florham Park, United States • Supply Chain • Transportation & Logistics • Chemical Manufacturing • Simulation & Digital Twin • Manufacturing • Software • Enterprise Resource Planning (ERP) • Process Manufacturing • Est. 1981
Verified live · 2 hours ago 26 days ago

Senior Solution Engineer, Global

$81k – $146k per year (Estimated) • Senior • 3+ years exp • Remote (MENA, Europe) • Internship • Senior • French
HubSpot
Salesforce
Apply
Report

CoLab Software

colabsoftware.com
CoLab Software is an enterprise collaboration platform designed specifically for mechanical engineering and hardware design teams. The software provides real-time 3D CAD review, issue tracking, and automated design documentation tools, allowing teams to collaborate directly on complex CAD models without requiring specialized software installs. By streamlining feedback cycles, simplifying design reviews, and connecting global supply chains, the company helps engineering teams reduce costly design errors and accelerate product development.
colabsoftware.com • Toronto • Boston • Simulation & Digital Twin • Software • CAD & PLM
Toronto • Boston • Simulation & Digital Twin • Software • CAD & PLM
Verified live · 5 hours ago 17 days ago

Senior Back End Developer

$104k – $203k per year (Estimated) • Equity • Senior • 7+ years exp • Remote (Canada, Netherlands) • Full-Time • Senior
Python
AI/ML
AI Agents
Embeddings
LLM
RAG
Semantic Search
Semantic Search
DevOps
Vector
Apply
Report

Tavily

tavily.com
Tavily is a developer infrastructure company headquartered in Tel Aviv, Israel, and founded in 2023. The company runs a search API built for large language model applications, returning ranked and summarised web results in a form agents can consume directly rather than raw pages of markup. It is used by teams building research assistants and autonomous agents, and integrates with common orchestration frameworks such as LangChain and LlamaIndex.
tavily.com • HQ: Tel Aviv, Israel • Data Collection • Data & Analytics • Internet Services • LLM & Generative AI • AI Agents • Artificial Intelligence • Search Engines • Est. 2023
HQ: Tel Aviv, Israel • Data Collection • Data & Analytics • Internet Services • LLM & Generative AI • AI Agents • Artificial Intelligence • Search Engines • Est. 2023
$66k – $189k per year (Estimated) • Senior • 5+ years exp • Remote (Europe, Israel) • Senior
JavaScript
TypeScript
AI/ML
AI Agents
RAG
Frontend
Angular
React.js
Svelte
Vue.js
Mobile
PWA
QA
Chrome DevTools
Playwright
Selenium
Apply
Verified live · 5 hours ago 19 days ago

Senior Software Engineer (Agentic Search) - Web Access Engineer

$67k – $189k per year (Estimated) • Senior • 5+ years exp • Remote (Europe, Israel) • Senior
JavaScript
C++
Go
Python
Rust
AI/ML
RAG
AI Agents
DevOps
Kubernetes
QA
Chrome DevTools
Playwright
Selenium
Apply
Report

Cohere

cohere.com
Cohere is a Canadian AI company founded in 2019 and headquartered in Toronto. It builds secure, enterprise-focused large language models and AI tools for businesses and regulated industries. The company is known for emphasizing privacy, private deployment, and "sovereign AI" rather than consumer chat products
cohere.com • HQ: Toronto, Canada • Energy & Utilities • Biotechnology • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2019
HQ: Toronto, Canada • Energy & Utilities • Biotechnology • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2019
Verified live · 26 min ago 19 days ago

Member of Technical Staff, Agentic Environments

$126k – $277k per year (Estimated) • Staff+ • New York • Remote (EU, Europe, United States, Canada) • Full-Time • Staff
Python
AI/ML
Cohere SDK
JAX
LLM
Multimodal AI
PyTorch
Ray
AI Agents
DevOps
Kubernetes
Apply
Verified live · 26 min ago 2 months ago

Software Engineer, North for Finance

Remote (EU, Europe, United States, Canada) • Full-Time
AI Agents
Edge AI
Apply
Report

Nansen

nansen.ai
Nansen is a blockchain analytics company founded in 2019 and headquartered in Singapore. It labels hundreds of millions of wallet addresses so that users can follow the activity of funds, market makers and prominent traders across chains. The platform is used for token research, portfolio tracking and monitoring flows into and out of protocols.
nansen.ai • HQ: Singapore • Est. 2019
HQ: Singapore • Est. 2019
19 days ago

Senior Data Engineer

$71k – $182k per year (Estimated) • Senior • Remote (Europe, Singapore) • Visa sponsorship • Senior
Python
SQL
Databases
ClickHouse
PostgreSQL
AI/ML
Claude
Claude Code
Cursor
dbt
Web3
Nansen
Apply
Report
Tech Jobs in Leiden
Frequently asked questions
How many Leiden jobs in Leiden are available on Alion?
There are currently 13 active listings from 6 hiring companies on Alion, refreshed daily.
What salary do Leiden jobs in Leiden pay?
The average salary is around $182,454 per year based on the current listings.
Are remote options available for Leiden jobs in Leiden?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Leiden jobs in Leiden?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.