ioBuilders

About us

We are a new born blockchain product company, focused on enabling new businesses, trying to revolutionize the related industries using the benefits of Decentralized Ledger Technologies (DLT) and Blockchain. We see blockchain, smart contracts as a meta-technology with a huge potential and real applicability.

Some numbers

2018

Founded

83

ioBers

Work methodology

Scrum/Kanban DDD Hexagonal Architecture Devops

Looking for

We are searching for good people that, first of all, fit our culture and mindset, and secondly, add their experience and expertise to our team. We believe that the team is the main key for success and that it is your ideas, positivity and group focus, what will make the difference.

ioBuilders's job offers

Technical Lead – AI Solutions (Fintech & Legaltech)

At ioBuilders, we are looking for a visionary Technical Lead with deep expertise in Artificial Intelligence to spearhead our AI initiatives within the Financial and Legaltech sectors. You will be responsible for bridging the gap between cutting-edge AI research and production-ready solutions that transform how institutions handle complex financial data and legal frameworks. You won't just be managing a team; you will be the architectural North Star for our AI roadmap, ensuring our solutions are scalable, secure, and ethically sound.

Work modality: FULL REMOTE from anywhere in Spain (MANDATORY: Current location in Spain with EU working permit)

Key Responsibilities

● Technical Leadership: Lead and mentor a high-performing team of AI engineers and developers, fostering a culture of technical excellence and continuous learning.

● Architecture & Design: Design and oversee the implementation of robust AI architectures, specifically focusing on Large Language Models (LLMs), Natural Language Processing (NLP), and predictive analytics for financial/legal use cases.

● Product Strategy: Collaborate with stakeholders to define the AI product roadmap, identifying opportunities where AI can disrupt traditional financial and legal processes.

● Hands-on Development: Maintain a "player-coach" mentality, contributing to the codebase for critical components and conducting rigorous code reviews.

● Security & Compliance: Ensure all AI solutions adhere to the strict regulatory standards of the financial and legal industries (e.g., GDPR, EU AI Act, financial data privacy).

● Innovation: Stay at the forefront of AI trends (Agentic workflows, RAG, Fine-tuning) to keep ioBuilders at the cutting edge of the industry.

Technical Requirements

● Experience: 7+ years in software engineering, with at least 3 years in a leadership/management role and a strong track record in AI-driven projects.

● AI Mastery: Extensive experience with Python and AI frameworks such as PyTorch, TensorFlow, or JAX.

● Modern AI Stack: Proven expertise in implementing RAG (Retrieval-Augmented Generation), fine-tuning LLMs (OpenAI, Anthropic, Llama), and working with vector databases (Pinecone, Milvus, or Weaviate).

● Cloud & DevOps: Experience with cloud infrastructure (AWS/Azure/GCP) and MLOps tools for deploying and monitoring models in production.

● Fintech/Legaltech Context: Familiarity with financial datasets, smart contracts, or automated document analysis is highly preferred.

Soft Skills

● Problem Solver: Ability to navigate the ambiguity of emerging technologies and turn them into concrete business value.

● Communicator: Capable of explaining complex technical AI concepts to non-technical stakeholders and clients.

● Strategic Thinker: Someone who looks beyond the code to understand the long-term impact on the FinTech ecosystem.

Why Join ioBuilders?

  1. Work at the forefront of the digital asset and blockchain revolution.
  2. A remote-friendly, agile environment that values autonomy and impact.
  3. The opportunity to build tools that define the future of regulated financial markets.
  4. Challenging projects and a great environment.
  5. Innovation and building new business with your own hands.
  6. Flat organization and short decision paths.
  7. Flexible working hours.
  8. Remote working (Based on the team needs).
  9. Remote Work Allowance.
  10. Social benefits: Flexible Payment Plan, medical insurance and others.
  11. 25 vacation days.
  12. 2 free days for conference/courses + Individual Training Budget.
Remote
Artificial IntelligenceCloud PlatformDevOpsFinTechPythonTeam ManagementTensorFlowPyTorchLLMsRAG

Growth & Product Marketing Manager

We are looking for a highly hands-on Growth & Product Marketing Manager who combines strategic thinking with operational execution.

This is a broad and dynamic role. We are looking for someone flexible, intellectually curious,and comfortable operating across strategy and execution. Someone who enjoys building, experimenting, and learning fast.

Someone who is not afraid to step outside their comfort zone to make things happen.

This role is ideal for someone who wants exposure to the full marketing spectrum in a high- impact B2B technology environment.

You should bring:

  1. 5+ years of experience in B2B marketing, growth, or product marketing roles.
  2. Strong experience managing company presence at industry events (sponsorships, speaking slots, booths, executive positioning).
  3. Proven experience organizing proprietary events (physical events, roundtables, webinars) end-to-end.
  4. Demonstrated ability to translate complex technological solutions into compelling positioning and messaging.
  5. Experience working closely with product and business development teams
  6. Hands-on experience with CRM systems, preferably HubSpot.
  7. Strong analytical mindset, with experience tracking funnel performance and campaign effectiveness.
  8. Excellent written and verbal communication skills in English.

Mandatory:

  1. Experience in blockchain, digital assets, or Web3 ecosystems.
  2. Current location in Spain with EU working permit.

Highly valued:

  1. Experience in financial services, capital markets, or asset management industries.
  2. Exposure to institutional sales cycles.

We are looking for a true builder, strategic but deeply execution-oriented, comfortable moving between high-level positioning and tactical delivery, eager to learn, and ready to take ownership across multiple dimensions of marketing.

Responsibilities

Ecosystem Mastery & Strategic Foundations

  1. Develop a deep understanding of our products, the broader tokenization ecosystem, and the competitive landscape.
  2. Define and continuously refine Ideal Customer Profiles (ICPs) to guide marketing focus.
  3. Shape and evolve clear positioning and differentiation strategies.
  4. Translate product capabilities into compelling narratives tailored to institutional audiences.

Event Strategy & Execution

  1. Own the full lifecycle of company participation in industry events: strategy, objectives, messaging, logistics coordination, executive preparation, and follow-up.
  2. Maximize sponsorship activations and visibility opportunities.
  3. Coordinate executive speaking opportunities and industry presence.
  4. Design and execute proprietary events (roundtables, webinars, industry sessions) from concept to delivery.
  5. Ensure events contribute meaningfully to engagement and pipeline development.

Growth & Go-to-Market Initiatives

  1. Design and execute targeted marketing initiatives aligned with defined ICPs.
  2. Support product launches and feature announcements.
  3. Identify new verticals and market opportunities.
  4. Monitor key performance metrics and optimize initiatives accordingly.

Sales & Business Development Enablement

  1. Work closely with the Business Development team to ensure they have the necessary materials, presentations, and messaging frameworks.
  2. Align marketing initiatives with commercial priorities.
  3. Support account-based initiatives where relevant.
  4. Ensure consistency and coherence between marketing narratives and sales conversations.

Content & Thought Leadership

  1. Contribute to shaping the company’s thought leadership strategy.
  2. Coordinate and produce high-quality marketing materials.
  3. Ensure consistency of voice and positioning across website, events, and digital channels.
  4. Support executive visibility initiatives in key industry forums.

What Success Looks Like

  1. Clear and differentiated positioning within the tokenization and digital asset ecosystem
  2. Well-defined ICPs driving focused and effective marketing initiatives
  3. Strong and professional presence at key industry events
  4. Proprietary events generating meaningful engagement
  5. Tight alignment between marketing and business development
  6. Measurable contribution to qualified pipeline growth

Why Join ioBuilders?

  1. Work at the forefront of the digital asset and blockchain revolution.
  2. A remote-friendly, agile environment that values autonomy and impact.
  3. The opportunity to build tools that define the future of regulated financial markets.
  4. Challenging projects and a great environment.
  5. Innovation and building new business with your own hands.
  6. Flat organization and short decision paths.
  7. Flexible working hours.
  8. Remote working (Based on the team needs).
  9. Remote Work Allowance.
  10. Social benefits: Flexible Payment Plan, medical insurance and others.
  11. 25 vacation days.
  12. 2 free days for conference/courses + Individual Training Budget.
Remote
BlockchainCRMDigital MarketingMarketing StrategyTokenizationMarketing AnalyticsProduct OwnerWeb3.0HubSpot

Tech stack

groovyblockchainJavaKubernetesReactDocker ethereumDDDTDDHexagonal Architecture

About the team

83

employees

34

avg. age

3

nationalities

80.7%

man

19.3%

women

Benefits and perks

  • flexible

    Flexible schedule

  • trainingBudget

    Training budget

  • tickets

    Restaurant Ticket

  • health

    Health insurance

  • lessons

    Language lessons

  • +Medical Insurance
  • +Remote work
  • +Remote Work Allowance

Location

Paseo de la Castellana, 43, Madrid, Spain