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OpenCover
UK
👋 GM
We are OpenCover — our mission is to keep the world safe onchain.
OpenCover operates at the intersection of blockchain security and insurance. Working in tandem with leading underwriters and industry players, we protect individuals, businesses and institutions against onchain risks such as malicious transactions, smart contract exploits and depegs.
Founded by Y Combinator alums, our team is backed by Tier 1 investors including Alliance, Coinbase Ventures (Base Ecosystem Fund), NFX, Village Global and Orange DAO, with support from the Lloyd’s of London Lab.
Want to join a high-performance, high-integrity team taking onchain safety to the next level? Read on.
🚀 Your role
You would join the founding team to develop core backend infrastructure working closely with our CTO. Your role would focus on expanding the first transaction security layer to insure billions in value. The work involves collaborating with top protocols and industry players to prevent incidents like the ByBit hack from ever happening again.
Areas you’ll work on
- Soft auditing and semantic modelling of leading protocol designs and functions.
- Designing, implementing and backtesting transaction validation checks.
- Developing asset pricing and transaction risk models.
- Tracking exposure and other insurance metrics in real-time.
- Iterating and expanding our API based on customer feedback.
- Staying up to date with industry trends including EIPs and security incidents.
You’d be a great fit if
- You’re a generalist who quickly embraces new technologies and challenges with a passion for building products from the ground up in a collaborative, tight-knit team.
- You go all out to use your knowledge and work well autonomously but know when to reach out for support.
- You have 5+ years of full-time experience developing and shipping backend services with Node.js and TypeScript.
- You’ve designed, implemented and/or audited smart contracts on EVM-compatible chains and have hands-on experience using DeFi.
- You’re familiar with PostgreSQL, messaging brokers, AWS/GCP, Docker, Bash and Linux.
- You are constantly improving your tech stack and use AI tools to accelerate development.
🙌 Our offer
- Put your dent in the universe: build products for and with some of the largest players across Web3 and TradFi.
- Directly impact company trajectory and play a key role in driving onchain adoption.
- Work IRL with the team at Lloyd’s of London 1–5 days a week— your choice!
- Flexible hours with 28 days of paid holiday plus company closure days.
- Competitive compensation based on experience + 0.1–0.5% equity.
- The equipment you need to do your best work + $1,000 for well-being and personal development each year.
- Company-paid travel to events and conferences, if that’s your thing!
Ready to apply?
Head to opencover.com/apply/bbe and get shortlisted in 10 minutes or less.
Nethermind
Remote
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
Are you the one?
The Role:
We are seeking an Infrastructure Engineer with strong expertise in identity management and system integrations. This role focuses on maintaining our authentication infrastructure, managing integrations, and providing technical support to ensure smooth operations across our engineering organisation.
Primary Responsibilities
- Implement and maintain Okta-based identity management solutions
- Configure and manage integrations between various cloud services and internal applications
- Handle access control and RBAC implementation across our technology stack
- Provide DevOps support and troubleshoot integration issues
- Maintain CI/CD infrastructure and deployment pipelines
- Create clear documentation for processes and integrations
Technical Requirements
Strong understanding of:
- SAML, OAuth, and SSO implementations
- RBAC and access management
- Okta administration and integration patterns
- Cloud IAM (AWS IAM, GCP IAM)
Experience with:
- Infrastructure as Code (Terraform, Ansible)
- CI/CD tools (GitHub Actions)
- Cloud platforms (GCP and/or AWS)
- Basic scripting in Python or Go
- 2-5+ years of infrastructure/DevOps experience
Key Skills
- Strong troubleshooting and problem-solving abilities
- Experience in managing DevOps related requests efficiently
- Clear technical documentation skills
- Effective communication with technical and non-technical stakeholders
- Ability to manage multiple integration projects
Nice to Have
- Blockchain technology exposure
- JFrog Artifactory experience
- Experience with multi-factor authentication implementation
- Knowledge of security best practices
Day-to-Day Activities
- Managing Okta configurations and integrations
- Handling access control and user provisioning
- Supporting teams with authentication and authorization needs
- Implementing and maintaining security standards
- Responding to and resolving DevOps support requests
- Automating routine tasks and workflows
Keep up to date on what we are working on by following us on our social channels:
Ready to be pushed beyond what you think you’re capable of?
At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system.
To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems.
Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no better place to be.
The mission of the Platform Product Group engineers is to build a trusted, scalable and compliant platform to operate with speed, efficiency and quality. Our teams build and maintain the platforms critical to the existence of Coinbase. There are many teams that make up this group which include Product Foundations (i.e. Identity, Payment, Risk, Proofing & Regulatory, Finhub), Machine Learning, Customer Experience, and Infrastructure.
The Data Platform team builds and operates systems to centralize all of Coinbase's internal and third-party data, making it easy for teams across the company to access, process, and transform that data for analytics, machine learning, and powering end-user experiences. As an engineer on the team you will contribute to the full spectrum of our systems, from managing foundational processing and data storage, to building and maintaining scalable pipelines, to developing frameworks, tools, and internal applications to make that data easily and efficiently available to other teams and systems.
What you’ll be doing (ie. job duties):
- Design, build, and operate our foundational data-heavy services: storage (cloud data warehouse, data lake), orchestration (Airflow), batch processing (Spark, SQL), streaming services (Kafka), query federation and caching, time-series db, graph db, and real-time event aggregation stores.
- Build and maintain data integration & process SDKs for use by internal services and product teams throughout Coinbase.
- Design and build self-service applications to empower our users to manage and troubleshoot their own data pipelines running on our platforms.
- Design and build services for end-to-end data security and data observability: managing access controls across multiple storage and access layers, tracking data quality, cataloging datasets and their lineage, usage auditing.
- Convert functional requests from data analysts, ML, and security & compliance into reusable and scalable patterns; and assemble data microservices into data platforms for critical business verticals and user cohorts.
What we look for in you (ie. job requirements):
- You have at least 5+ years of experience in software engineering.
- You have Strong Python, Go, or Java backend development skills.
- You have general experience working with data systems or data pipelines.
- You are familiar with design patterns such as scale-out, caching, key/value, and columnar.
- You leverage SQL, Python, Airflow, and BI expertise to analyze data for operational insights.
Nice to Have:
- Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services
Job #: P62464
*Answers to crypto-related questions may be used to evaluate your onchain experience
#LI-Remote
Pay Transparency Notice: The target annual salary for this position can range as detailed below. Full time offers from Coinbase also include target bonus + target equity + benefits (including medical, dental, and vision).
Please be advised that each candidate may submit a maximum of four applications within any 30-day period. We encourage you to carefully evaluate how your skills and interests align with Coinbase's roles before applying.
Commitment to Equal Opportunity
Coinbase is committed to diversity in its workforce and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law. For US applicants, you may view the Know Your Rights notice here. Additionally, Coinbase participates in the E-Verify programin certain locations, as required by law.
Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations[at]coinbase.com to let us know the nature of your request and your contact information. For quick access to screen reading technology compatible with this site click here to download a free compatible screen reader (free step by step tutorial can be found here).
Global Data Privacy Notice for Job Candidates and Applicants
Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available here. By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined here.
Apply Now: