WalletConnect is an open-source communications protocol, founded in 2018 by Pedro Gomes, that lets crypto wallets connect securely to decentralised applications across blockchains. It establishes an end-to-end encrypted session between a wallet and an application so transactions can be reviewed and signed on the user's own device rather than exposing private keys. The protocol has become an industry standard linking hundreds of wallets to tens of thousands of applications, and it is now developed by Reown alongside a decentralised relay network governed through the WCT token.
HQ: Zug, Switzerland • Blockchain Infrastructure • Web3 & dApps • Cryptocurrencies • Blockchain & Crypto • Crypto Wallets • 51-200 employees • Est. 2018
≈ $84k – $155k per year (Estimated) • Senior • 5+ years exp • Remote (Germany, France, United Kingdom) • Full-Time • Senior
Python
Rust
SQL
Databases
ClickHouse
Google BigQuery
Snowflake
AI/ML
dbt
DevOps
Grafana
Web3
Reown
Uniswap
DualEntry is an modern accounting software platform designed to simplify financial management for growing businesses and enterprises. The company provides automated bookkeeping, real-time reporting, and unified general ledger tools to help finance teams maintain accurate ledgers with less manual effort. By streamlining workflows and integrating with existing business systems, its platform helps companies eliminate manual data entry and scale their financial operations efficiently.
New York • San Francisco • London • Software • Financial Services • Artificial Intelligence • FinTech • Enterprise Resource Planning (ERP) • 201-500 employees • Est. 2024
$60k – $100k per year • Equity • Senior • 7+ years exp • Remote (United Kingdom, Cyprus) • Relocation • Visa sponsorship • Full-Time • Senior
Python
Mobile
Lottie
Design
Adobe After Effects
Figma
Senseon is a London cybersecurity company founded in 2017 that correlates signals from endpoints, network and cloud into single investigations. Its approach aims to reduce alert fatigue for teams that cannot staff a full security operations centre. The company serves mid-sized organisations across Britain and Europe.
HQ: London, United Kingdom • Data & Analytics • Artificial Intelligence • Cybersecurity • Est. 2017
≈ $81k – $182k per year (Estimated) • Remote (United Kingdom, South Africa) • Full-Time
Python
AI/ML
Claude
Claude Code
AI Agents
LLM Guardrails
OpenAI Codex
DevOps
CI/CD
GitHub Actions
GitHub
IAM
Cybersecurity
Least Privilege
PennyLane (Xanadu) is an open-source, cross-platform software library designed for quantum machine learning (QML), quantum chemistry, and hybrid quantum-classical computing, developed by Toronto-based quantum photonics company Xanadu. Introduced in 2018, PennyLane integrates quantum computing hardware (such as photonic, superconducting, and trapped-ion processors) with classical machine learning frameworks like PyTorch, TensorFlow, and JAX.
HQ: Paris, France • Artificial Intelligence • Science & Engineering • Quantum Science & Computing • Machine Learning • 51-200 employees • Est. 2018
≈ $50k – $113k per year (Estimated) • Senior • Paris • Berlin • Madrid • Remote (Europe) • Full-Time • Senior • French
CloudTalk is a modern and user friendly cloud telephony solution which disrupts the $50 billion stagnant telephony market. Through our easy integrability and advanced features, CloudTalk saves 2-3 minutes on every phone call! Our solution is loved...
Toronto • Prague • Manila • Barcelona • Cybersecurity • Professional Services • Artificial Intelligence • Est. 2016
≈ $79k – $170k per year (Estimated) • Executive • Remote (United Kingdom, Czech Republic, Ireland, Netherlands, Spain) • Architect
Oscilar is a risk management platform that focuses on fraud defense, credit underwriting, onboarding risk, and AML compliance for financial institutions. Through its advanced AI Risk Decisioning™, Oscilar enables organizations to make faster and more intelligent risk decisions, monitor customer journeys, and ensure regulatory compliance seamlessly. Oscilar's platform provides comprehensive analytics and proactive detection capabilities, tailored to meet the unique risk needs of banks, fintechs, and credit unions.
HQ: Palo Alto, United States • Financial Services • FinTech • Fraud Detection • Est. 2021
$76k – $110k per year • Equity • Staff+ • 8+ years exp • Remote (India, United Kingdom, Brazil, Canada, Poland) • Bachelor's Degree • Full-Time • Staff
JavaScript
TypeScript
Frontend
Babel
Rollup
Webpack
DevOps
CI/CD
Git
Rest API
GitHub
You own quality and test automation at Cashen. You will build the QA infrastructure from the ground up - automated test suites, CI integration, regression coverage, and release validation - for a platform where bugs have financial consequences. A missed edge case in a deal state transition or an interest accrual rounding error doesn't just degrade UX - it moves money incorrectly between institutional counterparties.
London • FinTech • Software • Quality Assurance
≈ $81k – $178k per year (Estimated) • Middle • 3+ years exp • London • Remote (United Kingdom) • Middle • English: B2
JavaScript
Frontend
React.js
Web3
Solana
DeFi
Design
Figma
Framer
Middle • 3+ years exp • London • Remote (United Kingdom) • Full-Time • Middle
TypeScript
JavaScript
Frontend
React.js
Web3
DeFi
Solana
≈ $86k – $194k per year (Estimated) • Middle • 3+ years exp • London • Remote (United Kingdom) • Full-Time • Middle
Rust
Web3
DeFi
Smart Contracts
Solana
Astra was founded in October 2016 with the mission of launching a new generation of space services to improve life on Earth.
New York • Space Defense • Space & Aerospace • Launch Services • Est. 2016
$60k – $80k per year • Junior • 1+ year exp • Remote (EU, United States, United Kingdom) • Bachelor's Degree • Full-Time • Junior
Python
SQL
Databases
Firestore
Google BigQuery
DevOps
CI/CD
CircleCI
CloudFormation
GCP
GitHub Actions
Terraform
AWS
GitHub
IAM
Management
Jira
Marketing
Zendesk
Achieve great things together We empower project teams to achieve great things together for the good of society. OpenProject is targeted at organizations that want to positively impact the world.
Financial Services • Software • Project Management
≈ $89k – $217k per year (Estimated) • Senior • Remote • PhD • Full-Time • Senior • German • English
JavaScript
Ruby
TypeScript
Ruby
Ruby on Rails
Stimulus
Frontend
Angular
React.js
DevOps
CI/CD
GitHub
Methods is a digital transformation consultancy headquartered in London, United Kingdom, and founded in 1990. The company designs and delivers user centred digital services, data platforms, cloud migrations, and cyber security work almost entirely for the United Kingdom public sector. It has been part of the French engineering group Alten since 2022 and holds places on major government procurement frameworks including G-Cloud and Digital Outcomes.
HQ: London, United Kingdom • Professional Services • System Integration • Government • Digital Government • Information Technology • IT Consulting • 5000+ employees • Est. 1990
≈ $84k – $210k per year (Estimated) • Staff+ • 3+ years exp • London • Remote (United Kingdom) • Full-Time • Architect
AWS
Azure
Robotics
Digital Twin
≈ $66k – $165k per year (Estimated) • London • Remote (United Kingdom)
Bash
PowerShell
Python
DevOps
AWS
Azure
CI/CD
GCP
Git
Terraform
VMWare
Windows Server
≈ $74k – $137k per year (Estimated) • Senior • Remote (United Kingdom) • Full-Time • Senior
Azure
Azure DevOps
Management
Slack
Zimperium is a mobile threat defense (MTD) and mobile application security enterprise headquartered in Dallas, Texas. Founded in 2010 by Itzhak "Zuk" Avraham and Elia Yehuda, the company was acquired in March 2022 for $525 million by Liberty Strategic Capital (led by former U.S. Treasury Secretary Steven Mnuchin), with SoftBank and Samsung Next maintaining minority stakes.
HQ: Dallas, United States • Commerce • Artificial Intelligence • Cybersecurity • Est. 2010
Remote (Europe, Argentina) • Full-Time
Objective-C
Python
Swift
Cybersecurity
Ghidra
IDA Pro
Facil Espaider: software jurídico completo para advogados e escritórios. Gestão ágil de processos, prazos e documentos com segurança.
New York
$90 – $120k per year • Equity • Junior • 1+ year exp • Remote (EU, Europe) • Full-Time • Junior
Python
SQL
AI/ML
LLM
DevOps
Docker
Web3
Compound
Ajax Systems is a global technology company headquartered in Kyiv, Ukraine, that was founded in 2011. The firm specializes in the development and manufacturing of professional security equipment, including wireless and wired intrusion protection, fire detection, water leak prevention, and integrated video surveillance solutions. It operates international production facilities and serves millions of users across more than 180 countries through a vast network of authorized distributors, resellers, and security monitoring partners.
HQ: Kyiv, Ukraine • Internet of Things • Information Technology • IoT Security • Cybersecurity • Smart Home Devices • Consumer Electronics • Consumer Goods • Security Products • 1001-5000 employees • Est. 2011
≈ $115k – $255k per year (Estimated) • Executive • 5+ years exp • Remote (United Kingdom) • Full-Time • Architect
Epistemix is a world model of your market: see how adoption spreads person by person, test strategy before you spend, and track the assumptions it rests on.
Data & Analytics • Data Science
≈ $107k – $236k per year (Estimated) • Equity • Remote (United States, United Kingdom, Canada) • Master's Degree • Full-Time
Python
Databases
PostgreSQL
VELZI.AI LIMITED is a company that uses artificial intelligence to provide cutting-edge solutions in enterprise software. Their products help businesses automate and optimize critical operations. VELZI.AI is at the forefront of innovation in AI development for large organizations.
Business Process Automation (BPA) • Software • Artificial Intelligence
Equity • Remote • Contractor
JavaScript
Frontend
Next.js
React.js
Mobile
Firebase
DevOps
Amazon EKS
AWS
Azure
Azure AKS
CI/CD
Docker
GCP
GitHub Actions
Google Cloud Run
Google GKE
Grafana
Kubernetes
Prometheus
Pulumi
Self-Healing
Terraform
Amazon CloudWatch
Amazon S3
GitHub
GitLab
IAM
FinOps
Equity • Remote • Full-Time
JavaScript
Frontend
GSAP
Mobile
Lottie
Design
Figma
Framer
Insider is a Turkish founded customer experience and marketing technology company operating globally. Its platform unifies customer data and orchestrates personalised campaigns across web, app, email and messaging channels. The company became Turkey's first female co-founded technology unicorn.
HQ: Istanbul, Turkey • Software • Customer Relationship Management (CRM) • Artificial Intelligence
≈ $74k – $152k per year (Estimated) • Senior • 6+ years exp • Amsterdam • Remote (Germany, United Kingdom, Belgium, Croatia, Netherlands) • Bachelor's Degree • Full-Time • Senior • Turkish: C1
Claude
Fine-tuning
Prompt Engineering
OpenAI
RAG
≈ $59k – $136k per year (Estimated) • Middle • 3+ years exp • Berlin • Remote (Germany, United Kingdom, Netherlands) • Bachelor's Degree • Full-Time • Middle • Turkish: C1
Syngenta is a global agricultural technology and agribusiness enterprise headquartered in Basel, Switzerland. Formed in 2000 through the merger of Novartis Agribusiness and AstraZeneca Agrochemicals, it now operates under the broader Syngenta Group as a subsidiary of Sinochem.
HQ: Basel, Switzerland • Seeds • Farming & Agriculture • Crop Protection • 5000+ employees • Est. 2000
≈ $89k – $174k per year (Estimated) • Bracknell • Remote (Europe) • PhD • Full-Time • Senior • English
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Remote
Python
AI/ML
AI Agents
Embeddings
Fine-tuning
LLM
NER
NumPy
Pandas
Scikit-learn
spaCy
Tokenization
Hugging Face
Reinforcement Learning
RLHF
Web3
dYdX
Ethereum
Layer 2
Solana
Uniswap
ZkSync Era
Management
Slack
Flying Bisons is a strategic design and implementation firm that provides digital consulting services focused on creating and improving online products and user experiences. The company offers expertise in areas such as digital strategy, research, design, and end to end delivery for organizations undergoing digital transformation.
Warsaw • Professional Services • Design & Creative • UI/UX Design
≈ $28k – $71k per year (Estimated) • Junior • 2+ years exp • Remote (Europe) • Freelance • Junior • English: B2
PHP
SQL
PHP
Symfony
PHPUnit
DevOps
Docker
Git
CI/CD
Remote (Europe) • Freelance • Arabic: C2 • English: C1
≈ $38k – $85k per year (Estimated) • Middle • 3+ years exp • Remote (Europe) • Freelance • Middle
JavaScript
Kotlin
Objective-C
TypeScript
Frontend
React.js
React Hook Form
React Query
Recoil
Redux
Storybook
Zustand
Mobile
React Native
Expo
State Management
DevOps
Git
Rest API
Human-led recruiting. Reinvented with AI.For 10x Less.. Personalized, multi-step sequences sent via Rockstar or "on behalf of" your team.
HQ: San Francisco, United States • Artificial Intelligence • Professional Services • Human Resources
≈ $86k – $195k per year (Estimated) • Middle • 4+ years exp • Remote (United Kingdom) • Middle
SQL
AI/ML
Recommender Systems
Analytics
A/B Testing
≈ $80k – $146k per year (Estimated) • Senior • 6+ years exp • Remote (United Kingdom, Australia, Brazil, Canada, Mexico) • Contractor • Senior
Python
Python
Django
AI/ML
Claude
Cursor
OpenRouter
OpenAI
Open 497 daysVerified live · 1 day ago
1 year ago
QA Engineer
up to $80k per year • Remote (India, United Kingdom, Australia, New Zealand, Ukraine) • Visa sponsorship • Full-Time
JavaScript
AI/ML
OpenAI
DevOps
Self-Healing
QA
Chrome DevTools
Playwright
