Postgresql jobs in crypto and blockchain companies

We are looking for a Senior Database Administrator (DBA) with deep expertise in PostgreSQL and managing cloud-based database systems, particularly in AWS environments. The ideal candidate has extensive experience in database architecture, optimization, and maintenance, with a strong focus on performance, scalability, and reliability. This role also provides an opportunity to expand into DevOps practices, focusing on automation, infrastructure as code, and database integration within modern CI/CD pipelines. Key Responsibilities: Database Architecture: Design, deploy, and maintain scalable, secure, and high-performance database systems.Optimization: Enhance database performance through indexing, query optimization, and schema design improvements.Automation: Implement Infrastructure as Code (IaC) practices for database deployment and management using tools like Terraform and Ansible.Monitoring: Set up and manage database monitoring tools (e.g., Prometheus, Grafana, ELK) to ensure system health and availability.Security: Implement and maintain robust database security measures, including access control, encryption, and compliance adherence.Backup & Recovery: Develop and manage database backup, replication, and disaster recovery solutions.Scaling: Plan and execute database scaling strategies for high-traffic environments.Work with DevOps and development teams to integrate database systems into scalable and automated infrastructure Qualifications: 5+ years of experience in database administration with expertise in cloud environments like AWS.Proven track record managing large-scale, production-grade database systems.Advanced knowledge of PostgreSQL, MySQL, or other relational databases.Experience with database monitoring, performance tuning, and query optimization.Familiarity with AWS database services (RDS, Aurora, DynamoDB, Redshift).Expertise in scripting (Python, Bash) for automation.Knowledge of containerization (Docker) and orchestration (Kubernetes)Experience or interest in DevOps tools and practices (CI/CD pipelines, Terraform) What We Offer: Flexible work conditions with office priority in Tallinn, Nicosia, or Barcelona; remote work negotiable.Paid annual leave and sick leave.Competitive salary tailored to your expertise.Opportunities for growth in a dynamic, innovative company.In-house training on crypto-trading and blockchain technologies.

Who We Are: Alpaca is a US California headquartered brokerage infrastructure technology company and self-clearing broker-dealer, delivering execution and custody solutions for Stocks, ETFs, Options, Cryptocurrencies, and more, and has raised over $170 million in funding. Amongst our subsidiaries, Alpaca is a licensed financial services company in multiple countries, and we serve hundreds of financial institutions globally such as broker-dealers, investment advisors, hedge funds, and crypto exchanges. Alpaca’s globally distributed team members bring in diverse experiences such as engineers, traders, and brokerage professionals to achieve our Mission of opening financial services to everyone on the planet. We are also deeply committed to open-source contributions and fostering a vibrant community. We will continue to enhance and improve our award-winning developer-friendly API and the infrastructure behind it. Our Team Members: We’re a team of 150+ globally distributed members who love working from our favorite places worldwide. Our team spans the USA, Canada, Japan, Hungary, Nigeria, Brazil, the United Kingdom, and more! We’re looking for candidates eager to join Alpaca’s growing organization, who are excited about our Mission of “Open financial services to everyone on the planet and share our Values of “Stay Curious,” “Have Empathy,” and “Be Accountable.”   Your Role: As a Senior Engineer, you will be responsible for designing, implementing, and maintaining the systems and services that form the foundation of Alpaca and empower millions of users who are trading billions of dollars worth of assets. The Ledger Team is responsible for building a modern ledger system, whose purpose is to maintain a complete and correct view of everything that has ever happened in every account. From a business perspective, the ledger provides a structured and organized system for recording and aggregating transactional data. It plays a crucial role in supporting financial reporting, decision-making, and compliance. From an engineering perspective, the ledger serves as the source of truth for many services in the Alpaca ecosystem. For this role, we are seeking an experienced engineer who is obsessed with delivering defect-free solutions, has proven experience architecting and building at scale, and who is not afraid of challenging conventions or voicing their opinions. In this role, you will have the autonomy to design and implement solutions to achieve defined goals while actively participating in defining those goals in cooperation with a cross-functional team. Things You Get To Do: Collaborate with internal stakeholders–including finance, operations, and product teams–to deliver high-impact features/projects Build backend systems/components with integrity, maintainability, scalability, and stability in mind Own the delivery of high-visibility features/projects, from design to deployment Collaborate with engineering teams to improve the health of Alpaca’s systems Who You Are (Must-Haves): A seasoned engineer with 5+ years of experience working on systems at scale Obsessed with performant, defect-free, maintainable code A strong problem solver with a proactive mindset A collaborator who is capable of creating alignment with technical and non-technical stakeholders alike Comfortable working heads-down or tag-teaming problems Strong coding skills, preferably in Go Ability to debug issues or, better yet, foresee problems and avoid them entirely Experience with IDLs (e.g., protobuf), RPC frameworks (e.g., gRPC), cloud platforms (e.g., GCP), and relational databases (e.g., PostgreSQL)  Who You Might Be (Nice-to-Haves):   Experience in the financial services or accounting industry Experience with distributed systems/databases Experience with event-driven systems and messaging brokers (e.g., Redpanda) Experience working remotely Experience working at a startup   How We Take Care of You: Competitive Salary & Stock Options Benefits: Health benefits start on day 1. In the US this includes Medical, Dental, Vision. In Canada, this includes supplemental health care.  Internationally, this includes a stipend value to offset medical costs.    New Hire Home-Office Setup: One-time USD $500 Monthly Stipend: USD $150 per month via a Brex Card Work with awesome hard working people, super smart and cool clients and innovative partners from around the world Alpaca is proud to be an equal opportunity workplace dedicated to pursuing and hiring a diverse workforce. Recruitment Privacy Policy

Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe.   What we offer: Earn $5k—$10,4k monthly: the rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers. No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best. We'll manually find the best project for you according to your skills and preferences. Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours. We respect your seniority so you can expect no micromanagement or screen trackers. Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah? We will support you from the time you submit the application throughout all cooperation stages. Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do. Through our community, we will connect you with the best developers from more than 50 countries.   Requirements: 4+ years of software development experience. 3+ years of commercial experience with React.js. 3+ years of commercial experience with Python AND/OR 4+ years of experience with Node.js.   For React & Python Developer: hands-on experience with AWS, Next.js, TypeScript, PostgreSQL would be a plus. For React & Node Developer: hands-on experience with AWS, Next.js, TypeScript is a must.   Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture. Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls. Strong self-organizational skills — ability to work full-time remotely with no supervision. Reliability — we want to trust you and expect that you won’t let us and the client down. Adaptability and Flexibility — the ability to onboard the project promptly after accepting it and start delivering results quickly.   Sounds good for you? Apply now and join the Lemon.io community!   NOT YOUR TECH STACK? We have different projects for Senior Engineers, so if you have 4+ years of commercial experience in software development/testing and you are fluent with AI Engineering or QA Engineering, Blockchain, Solidity, we would be happy to communicate and provide you with a project that matches your experience. Just apply, and we will share more details with you.   If your experience matches our requirements, be ready for the next steps: VideoAsk — watch a short video about our startup, up to 10 minutes Complete your profile on our website 30-minute screening call Technical interview Feedback Magic Box (we are looking for the best project for you).   P.S. We work with developers from 50+ countries in different regions: Europe, LATAM, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), Canada, and the UK. However, we have some exceptions.   At the moment, we don’t have a legal basis to accept applicants from the following countries: European: Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia. Latin America: Cuba and Nicaragua Most Asian countries and Africa.   We expand and shorten the list of exemptions regularly.   Do you represent a company with engineers who match the description and want to collaborate with us through staff augmentation? Then register here.

................ For our client based in Zug, we are currently looking for a Full Stack Developer. This role has a high percentage of Home Office within Switzerland.  In this role, your main responsibility will be building applications using Go, React, and Svelte that are maintainable, well-documented, and include adequate test coverage. You will collaborate with the rest of the team managing various layers of the infrastructure. Your role will be divided between backend work in GoLang (70%) and frontend development in React and Svelte (30%). Your responsibilities: Develop scalable, robust, testable, and efficient code that's easy to maintain Build scalable applications capable of processing terabytes of data around the clock Translate software requirements into stable, high-performance solutions Contribute to architectural and design decisions, driving the development of an efficient, distributed microservices architecture Your background: 3+ years of experience with the Go language  Proficient in working with PostgreSQL and Microsoft PowerBI databases, including query and table optimization Experienced in designing and developing RESTful APIs with a solid understanding of gRPC Strong front-end development skills with React, Svelte, CSS, and Next.js Basic knowledge of WordPress is a plus Knowledge of common Goroutine and channel patterns Excellent problem-solving abilities with expertise in debugging and optimizing code Ability to implement high performance high available enterprise applications Understanding of Bitcoin, UTXO-based systems, and blockchain technology is an advantage Experience with Bitcoin mining infrastructure is highly valued Familiar with managing and orchestrating mining hardware, especially SHA-256 ASIC miners, is a strong plus Exposure to DevOps practices such as Docker, Kubernetes, AWS, and CI/CD pipelines is beneficial Fluent in English, German is nice to have About the companyCoopers iET AG ist eine agile Schweizer Recruiting Agentur, die Spezialisten und Führungskräfte in den Bereichen IT, Life Sciences, Engineering und Finance vermittelt. Mit flexiblen Ansätzen bringen wir Kandidat:innen und Unternehmen zusammen, die nicht nur fachlich, sondern auch menschlich zusammenpassen.