GoMining is seeking a highly skilled Database Engineer to join our team and ensure the performance, scalability, and reliability of our databases. This role is ideal for someone passionate about data architecture, high-performance database systems, and large-scale analytics in fast-paced fintech and crypto environments.

You will play a critical role in designing database solutions, optimizing queries, managing replication, and ensuring data integrity.

Responsibilities:

Database Architecture & Design

• Design, implement, and optimize database schemas for high-performance applications.
• Develop strategies for data partitioning, replication, and scaling.
• Evaluate and implement new database technologies for performance and reliability.

Maintenance & Optimization

• Monitor database performance and implement query optimization, indexing, and caching strategies.
• Manage backup, restore, and disaster recovery plans.
• Conduct capacity planning and performance tuning for production workloads.

Collaboration & Support

Founding Full Stack Software Engineer (Backend/AI Focus)

Location: Los Angeles, CA (100% On-site)

Compensation: $170,000 - $225,000 (Base Salary) + Significant Equity

We are an early-stage, YC-backed company building fully autonomous AI agents powered by in-house models that can find, exploit, and patch complex vulnerabilities in web applications at massive scale. We are seeking a passionate Founding Full Stack Software Engineer to build and scale the core systems. This is a high-impact role with a focus on backend architecture and AI agent systems, directly addressing the speed and scale challenges posed by AI-generated code.

As a Founding Engineer, you will have significant responsibility for designing, developing, and maintaining our scalable, high-performance web applications and cutting-edge AI Agent systems. Your focus will be on the backend and AI components.

Key Responsibilities:

At Clever Point, we work to make parcel management fast and flexible. With over 720 service points across Greece, we help people collect, send, or return parcels on their terms. Whether picking up a delivery, dropping off a return, or shipping across Greece or abroad, we offer a convenient alternative to home delivery, without queues or delays. We aim to customise last-mile logistics to suit all lifestyles through intelligent and customer-oriented solutions. 

We are looking for an energetic and communicative team member to join our Customer Service Team, who will handle incoming and outgoing calls, emails, and support tickets, providing prompt, efficient, and friendly assistance to both consumers (B2C) and our network partners (B2B).

Responsibilities

METRO is one of Greece’s top employers, with more than 11000 employees. We operate one of the country’s largest retail networks under the My Market brand, with 290 stores nationwide, and we lead the wholesale sector with 50 METRO Cash & Carry stores serving professionals across Greece.

Our success is powered by an ecosystem of in-house-developed enterprise systems — our ERP, Warehouse Management System (WMS), and Transportation Management System (TMS). These systems connect every part of our business, from pricing and promotions to warehouse operations and last-mile routing, ensuring our customers find fresh and high-quality products on our shelves every day.

We are looking for a Senior PL/SQL Developer to join our Enterprise Systems team and help design, enhance, and optimize these business-critical platforms.

Qualifications

• Degree in Computer Science or a related discipline.
• Ability to build scalable, performant, and secure enterprise systems.
• At least 5 years of experience in back-end engineering, relational databases (particularly Oracle), and PL/SQL in large-scale environments.
• Working knowledge of English and Greek languages.

Personal skills

Do you want the challenge — and the reward — of building your own book of business?

At Keycafe, we’re looking for an Account Executive who thrives on creating new opportunities, closing deals, and owning an entire territory or industry segment. This isn’t account management or order processing — it’s a chance to be entrepreneurial inside a growing SaaS/IoT company and essentially build a business line of your own.

What You’ll Do

• Own a market — you will be focused on a specific industry based on your prior experience, and you’ll be responsible for growing it as if it were your own business.
• Run high-impact demos that clearly show prospects how our SmartBox product solves their operational challenges.
• Drive the full sales cycle: prospecting, outreach, demos, negotiation, and close.
• Experiment and adapt — try new outreach methods, refine your pitch, and find creative ways to break through.
• Collaborate across teams to ensure smooth handoffs and long-term customer success.

Why Join Keycafe

Our team is searching for a skilled Middle Python Developer to strengthen our backend and help evolve our product architecture. You’ll work closely with experienced engineers, bring fresh ideas to the table, and take ownership of key components.

Your responsibilities will include:

• Writing, maintaining, and optimizing high-quality code;
• Analyzing the existing solution architecture and taking an active role in designing a new one;
• Leading a small team of two backend developers.

What we’re looking for:

• 3-4 years of experience in backend development with Python 3.x (FastAPI or Flask);
• Strong skills in designing and building RESTful APIs;
• Solid understanding of OOP principles, data structures, and algorithms;
• Hands-on experience with asynchronous programming (asyncio, aiohttp) and API integrations;
• Strong knowledge of SQL and experience with ORMs (SQLAlchemy or Django ORM);
• Practical experience with caching tools (Redis, Memcached) and database migrations;
• Good understanding of Docker, CI/CD pipelines, and version control (Git);
• Familiarity with cloud platforms (AWS, GCP, or Azure) and web servers (Nginx, Gunicorn, Uvicorn);
• Knowledge of design patterns, SOLID principles, and system design;
• Strong communication skills.

Our team is searching for a skilled Middle Python Developer to strengthen our backend and help evolve our product architecture. You’ll work closely with experienced engineers, bring fresh ideas to the table, and take ownership of key components.

Your responsibilities will include:

• Writing, maintaining, and optimizing high-quality code;
• Analyzing the existing solution architecture and taking an active role in designing a new one;
• Leading a small team of two backend developers.

What we’re looking for:

• 3-4 years of experience in backend development with Python 3.x (FastAPI or Flask);
• Strong skills in designing and building RESTful APIs;
• Solid understanding of OOP principles, data structures, and algorithms;
• Hands-on experience with asynchronous programming (asyncio, aiohttp) and API integrations;
• Strong knowledge of SQL and experience with ORMs (SQLAlchemy or Django ORM);
• Practical experience with caching tools (Redis, Memcached) and database migrations;
• Good understanding of Docker, CI/CD pipelines, and version control (Git);
• Familiarity with cloud platforms (AWS, GCP, or Azure) and web servers (Nginx, Gunicorn, Uvicorn);
• Knowledge of design patterns, SOLID principles, and system design;
• Strong communication skills.

GoMining is a global Bitcoin ecosystem on a mission to unlock the full potential of Bitcoin. We create tools and services that make it simple and secure to earn, use, and benefit from Bitcoin daily regardless of country, income, or level of knowledge.

You will ensure product quality through automated and manual testing, maintaining a high standard across web, mobile, and backend services.

Responsibilities

• Design and execute test cases, ensuring full coverage across UI, API, and mobile platforms.

• Develop and maintain automated tests using Playwright + TypeScript (UI, API, e2e).
• Work with Git (CLI, GitLab) for version control and CI/CD integration.
• Manage test documentation and results via Allure TestOps / Allurectl.
• Conduct testing of iOS and Android apps (TestFlight, Google Internal Testing).
• Capture and analyze mobile traffic for debugging and performance validation.
• Use diagnostic and monitoring tools (RMQ, Grafana, Sentry, Rancher) to ensure system stability.
• Collaborate with developers, analysts, and product managers to improve quality processes.

Requirements

Are you driven by the challenge of building liquidity and growth optionality for a scaling global tech company?
Keycafe is seeking a Head of Capital Formation & Ventures to own our capital strategy, drive financing initiatives, and engineer shareholder liquidity and value across our global SaaS/IoT platform and new venture opportunities.

This is a front-line, deal-oriented leadership role — you’ll work directly with the CEO to ensure Keycafe always has the right capital structure, strategic relationships, and liquidity pathways to support rapid global expansion. You’ll also help shape Keycafe Labs, our innovation arm, by structuring and capitalizing new opportunities.

Location: San Francisco, CA (Near Salesforce Tower) Employment Type: Full-time On-site: 5 days a week in-person

About the Role

Our client is an AI startup building foam, a cutting-edge tool designed to be the highest-signal solution for solving software bugs. They've raised $2.4M from notable investors and are focused on making engineering jobs more engaging by automating the debugging process.

They are seeking a Full Stack Product Engineer—a generalist who is comfortable wearing all the hats. In addition to classical full-stack work (from CSS to the database level), you will be expected to increase the general intelligence of the platform by designing and implementing cutting-edge AI product features.

What You'll Do