Ruby Labs is a self-funded technology company that develops subscription-based digital consumer products across the health, wellness, education, and entertainment sectors. Leveraging an engineering-led architecture and proprietary data analytics, the firm builds scalable mobile applications designed to reach tens of millions of active global users. Operating with a remote-first, data-driven approach, the company focuses on creating high-impact consumer apps backed by internal marketing automation and custom payment infrastructures.
HQ: Los Angeles, United States • Health Care • Wellness • Software • Mobile App Development
Remote (EU, Ukraine) • Full-Time
Python
Ruby
SQL
Databases
ClickHouse
Google BigQuery
AI/ML
dbt
Dagster
DevOps
CI/CD
Grafana
Prometheus
Analytics
ETL/ELT
Remote (EU, Bosnia and Herzegovina, Kazakhstan, Montenegro, Serbia) • Full-Time
JavaScript
Python
Ruby
SQL
Databases
ClickHouse
Google BigQuery
AI/ML
dbt
DevOps
CI/CD
GCP
Git
Marketing
Google Ads
Meta Ads
Middle • 3+ years exp • Remote (EU, Ukraine) • Full-Time • Middle
Ruby
Management
Jira
Linear
Notion
JetBrains is a global software vendor specializing in intelligent, productivity-enhancing developer tools and integrated development environments (IDEs). Founded in 2000 and headquartered in Prague, Czech Republic, the company is best known for creating IntelliJ IDEA, PyCharm, WebStorm, Rider, ReSharper, and the Kotlin programming language (which serves as Google's preferred language for Android development).
HQ: Prague, Czech Republic • Artificial Intelligence • Software • Code Intelligence • Productivity Software • 51-200 employees • Est. 2000
Amsterdam • Remote (Germany, Cyprus, Czech Republic, Netherlands, Poland)
Senior • 5+ years exp • Amsterdam • Remote (Germany, Cyprus, Czech Republic, Netherlands, Poland) • Full-Time • Senior
Senior • 5+ years exp • Amsterdam • Remote (Germany, Cyprus, Czech Republic, Netherlands, Poland) • Relocation • Senior
Java
Kotlin
AI/ML
AI Agents
Bitdefender is a global cybersecurity leader headquartered in Bucharest, Romania, that delivers advanced threat prevention, detection, and response solutions. Founded in 2001, the company protects millions of consumer, business, and government endpoints across more than 170 countries through its antivirus software, cloud security platforms, and Managed Detection and Response (MDR) services.
HQ: San Antonio, United States • Information Technology • DevOps • Artificial Intelligence • Cybersecurity • Est. 2001
≈ $63k – $165k per year (Estimated) • Middle • 3+ years exp • Remote • Middle • French
Incident Management
PagerDuty
≈ $98k – $198k per year (Estimated) • Lead • Remote (EU, United Kingdom) • Full-Time • Principal
Python
AI/ML
LLM
Red Teaming
Fever is a Madrid technology company founded in 2011 that discovers and sells live entertainment experiences. Its platform combines a consumer application with an events production arm behind formats such as Candlelight concerts and immersive exhibitions. The company operates in more than one hundred cities worldwide.
HQ: Madrid, Spain • Gift Cards & Loyalty Programs • Commerce • Events & Ticketing • 1001-5000 employees • Est. 2011
≈ $72k – $155k per year (Estimated) • Executive • 5+ years exp • Madrid • Remote (Spain) • Full-Time • Architect
≈ $34k – $84k per year (Estimated) • Equity • Senior • Remote (Spain) • Senior • English: B2
PHP
PHP
Symfony
WordPress
Databases
MySQL
DevOps
CI/CD
Amsterdam • Elderly Care • Health Care
≈ $59k – $134k per year (Estimated) • Senior • 2+ years exp • Amsterdam • Remote (United States, United Kingdom, Bosnia and Herzegovina, Brazil, Bulgaria) • Full-Time • Senior
Restream is #1 solution that helps to broadcast live video to all social networks simultaneously. Millions of people around the world use Restream to reach, engage, and monetize their audiences. We're a small and diverse group of dreamers who mak...
Austin • Tallinn • Software • Video Production • Media & Entertainment
≈ $56k – $184k per year (Estimated) • Equity • Senior • Remote (Europe) • Full-Time • Senior
JavaScript
TypeScript
Node JS
Frontend
React.js
Sass
DevOps
AWS
CI/CD
Docker
Kubernetes
Rest API
≈ $93k – $192k per year (Estimated) • Equity • Senior • 5+ years exp • Remote (Europe) • Full-Time • Senior
Claude
Claude Code
Design
Figma
≈ $69k – $196k per year (Estimated) • Equity • Senior • Remote (Europe) • Full-Time • Senior
Node JS
Rust
TypeScript
JavaScript
Databases
Redis
DevOps
AWS
CI/CD
Docker
Kubernetes
Founded in 2015, Constructor is an AI-powered search and product discovery platform built specifically for enterprise e-commerce businesses. The company utilizes real-time clickstream data and machine learning to deliver personalized product recommendations, site search results, and category browse experiences. By optimizing search outcomes for key retail metrics like revenue and conversion rather than simple keyword matching, it helps major online retailers increase sales and improve customer retention.
HQ: San Francisco, United States • Internet Services • Artificial Intelligence • Commerce • Search Engines • Est. 2015
Middle • 4+ years exp • Remote (EMEA) • Full-Time • Middle
JavaScript
Analytics
A/B Testing
Management
Slack
$80k – $120k per year • Senior • 5+ years exp • Remote (EMEA) • Full-Time • Senior
Python
C++
Go
Rust
Databases
PostgreSQL
Milvus
OpenSearch
pgvector
Qdrant
Weaviate
DevOps
AWS
Azure
GCP
Kubernetes
Platform Engineering
Terraform
Vector
Senior • Remote (EMEA, United States) • Full-Time • Senior
Embeddings
LLM
Tokenization
DevOps
Vector
RevStar is the digital transformation partner that delivers clarity, speed, and measurable outcomes for modern businesses.
Austin • Toronto • New York • Seattle • San Francisco • LLM & Generative AI
≈ $141k – $271k per year (Estimated) • Staff+ • Arlington • Remote (United States, Germany, Spain) • Bachelor's Degree • Full-Time • Architect
Amazon Aurora
Amazon Redshift
DynamoDB
AI/ML
AWS Bedrock
RAG
AI Agents
Amazon SageMaker
DevOps
AWS
Cybersecurity
HIPAA
SOC 2
Solo.io is an enterprise cloud-native application networking, API management, and service mesh platform headquartered in Cambridge, Massachusetts. Founded in 2017 by CEO Idit Levine, the Series C unicorn has raised $175 million in total venture funding - reaching a $1 billion valuation backed by Altimeter Capital, Redpoint Ventures, and True Ventures.
HQ: Cambridge, United States • Artificial Intelligence • Software • Education • E-learning • Cloud Management • AI Agents • Est. 2017
Lead • 5+ years exp • Remote (EMEA) • Bachelor's Degree • Architect
Bash
Go
Python
Frontend
GraphQL
DevOps
eBPF
Envoy
Istio
Kubernetes
Service Mesh
Kettle is an insurance and reinsurance provider for property owners, specializing in regions affected by catastrophic climate events. Leveraging advanced AI technology, Kettle offers comprehensive risk assessment and protection products, including solutions for wildfires and hurricanes. The company aims to mitigate the effects of climate change on the insurance industry, ensuring fair pricing and coverage for property owners at risk from natural disasters.
$110k – $135k per year • Senior • Remote • Senior
Airalo's mission is to provide global data connectivity for all travelers. We're here to liberate you from the roaming limits and fix what's been broken for years. We value diversity, inclusion, and equity.
Dubai • Gift Cards & Loyalty Programs • Mobile Games • Smartphones
$89k – $128k per year • Lead • 5+ years exp • Remote (Spain) • Full-Time • Staff
Oracle
DevOps
Ansible
AWS
Azure
CI/CD
Docker
GCP
Kubernetes
Terraform
$126k – $189k per year • Staff+ • 7+ years exp • Remote (United Kingdom, Spain) • Full-Time • Staff
Python
SQL
AI/ML
Reinforcement Learning
dbt
$108k – $156k per year • Staff+ • 7+ years exp • Remote (Spain) • Full-Time • Architect
Sword Health is pioneering AI Care-an AI-first approach to healthcare that combines artificial intelligence with clinical expertise to improve access, outcomes, and cost at scale. Initially transforming pain care with AI at its core, Sword has expanded into women's health, movement health, and mental health, delivering hyper-personalized treatment programs available anytime, anywhere. Since 2020, more than 700,000 members across three continents have completed over 10 million AI sessions, helping 1,000+ enterprise clients-including employers, health plans, and governments-avoid more than $1 billion in unnecessary healthcare costs.
Porto • Medical AI • Physical Therapy • Digital Health • Est. 2014
$70k – $99k per year • Senior • Remote (Europe) • Full-Time • Senior
Fine-tuning
Knowledge Distillation
LLM
AI Agents
Function Calling
RLHF
DPO
Ascendion is a software engineering solutions company that offers engineering, cloud, data, experience design, and talent solution capabilities to accelerate the digital transformation of its 2000+ global clients.
Bengaluru • Vadodara • Hyderabad • Mumbai • Chennai • Science & Engineering • Artificial Intelligence • 1001-5000 employees • Est. 2022
Remote (APAC, Europe, North America)
Python
SQL
Python
pySpark
Databases
Amazon Redshift
Google BigQuery
MongoDB
AI/ML
AI Agents
NumPy
Pandas
Spark
Mobile
JUnit
DevOps
Azure
CI/CD
Git
Amazon S3
QA
Pytest
EverAI is a technology company that specializes in developing conversational artificial intelligence platforms focused on digital entertainment, companionship, and creative storytelling. The company creates interactive AI-driven experiences that allow users to engage in roleplay, gaming, and social interactions with personalized virtual counterparts. Founded in 2023, the organization operates as a remote-first entity with a mission to redefine human-computer interaction through immersive and ethically designed AI products.
HQ: San Francisco, United States • Artificial Intelligence • 51-200 employees
$87k – $145k per year • Senior • 25+ years exp • Remote (Europe) • Full-Time • Senior
LLM
ChatGPT
Claude
Claude Code
Cursor
Hugging Face
$87k – $122k per year • Senior • 25+ years exp • Remote (Spain) • Full-Time • Senior
Ruby
Ruby
Hotwire
Ruby on Rails
Stimulus
Databases
PostgreSQL
Redis
AI/ML
LLM
ChatGPT
Claude
Claude Code
Cursor
NLP
Hugging Face
Frontend
Tailwind CSS
$76k – $134k per year • Staff+ • 25+ years exp • Remote (Europe) • Full-Time • Architect
ChatGPT
Claude
Claude Code
Cursor
LLM
Hugging Face
DevOps
Git
GitHub
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.
HQ: Lviv, Ukraine • HQ: Valletta, Malta • Data & Analytics • Artificial Intelligence • Software • 1001-5000 employees • Est. 2002
$72k – $84k per year • Senior • 4+ years exp • Kraków • Remote (Europe) • Bachelor's Degree • Senior
Python
SQL
Databases
SAP HANA
Snowflake
DevOps
Azure
GCP
Cybersecurity
GDPR
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.
Commerce • Sales & Marketing • E-commerce Marketing • Est. 2018
$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
Tenchi launched an initial product called Zanshin that gives enterprise companies visibility into the security risks present in their critical third parties. Third parties play an instrumental role in today's business environment, and sensitive da...
São Paulo • Cloud Computing • Information Security • Cybersecurity
≈ $33k – $108k per year (Estimated) • Senior • Remote (United States, Argentina, Brazil, Canada, Spain) • Senior
TypeScript
JavaScript
Frontend
Angular
Qwik
React.js
Svelte
Vue.js
QA
Jest
Playwright
≈ $25k – $87k per year (Estimated) • Junior • Remote (United States, Argentina, Brazil, Canada, Spain)
Python
SQL
Python
pySpark
Databases
PostgreSQL
AI/ML
Pandas
Spark
DevOps
AWS
CI/CD
CloudFormation
Docker
AWS Step Functions
Remote (United States, Argentina, Brazil, Canada, Spain) • Bachelor's Degree • Full-Time
Python
Databases
DynamoDB
DevOps
AWS
AWS CDK
AWS Lambda
CI/CD
CloudFormation
GitHub Actions
AWS Step Functions
GitHub
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.
Personal Finance • Wealth Management • Financial Services
≈ $120k – $226k per year (Estimated) • Senior • 8+ years exp • Remote • Full-Time • Senior
≈ $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
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.
HQ: San Francisco, San Jose, United States • Artificial Intelligence • AI Agents • Speech & Audio AI • Est. 2021
$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
$135k – $300k per year • Equity • Remote (EMEA, North America) • Full-Time
Python
TypeScript
AI/ML
AI Agents
LLM
LiveKit
OpenAI
Marketing
Salesforce
$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
Stripe is an American-Irish multinational financial infrastructure and SaaS company dual-headquartered in South San Francisco, California, and Dublin, Ireland. Founded in 2010 by brothers Patrick and John Collison, the firm provides developer-centric payment processing software and APIs for internet businesses.
HQ: San Francisco, United States • Commerce • Artificial Intelligence • Blockchain & Crypto • Financial Services • FinTech • Payments • 1001-5000 employees • Est. 2010
≈ $39k – $132k per year (Estimated) • Senior • 5+ years exp • Barcelona • Remote (Spain) • Senior
JavaScript
Kotlin
Swift
TypeScript
Frontend
React.js
GraphQL
Redux
Mobile
React Native
State Management
Android SDK
Bitrise
Expo
Fastlane
UIKit
DevOps
CI/CD
GitHub Actions
Rest API
GitHub
