Viana Database Development & Administration Job Listings

Indeed

CRO Manager

Summary: Ruby Labs is seeking a Conversion Rate Optimization Manager to optimize reverse lookup products by executing optimization cycles across multiple funnels and actively contributing to experiments. Highlights: 1. Support optimization of reverse lookup products 2. Deepen skills alongside experienced growth leaders 3. Actively contribute to experiments and drive measurable improvements **About us** ============ Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer\-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about\-us/ **About the role** ================== We are looking for a **Conversion Rate Optimization Manager (CRO)** to support the optimization of our reverse lookup products. This role is ideal for someone with a solid foundation in conversion rate optimization who wants to deepen their skills and grow alongside experienced growth leaders. In this role, you will work closely with the **Senior Growth Manager** to execute optimization cycles across multiple funnels. You’ll be involved in every stage of the CRO process \- from research and hypothesis development to testing, analysis, and rollout \- while focusing primarily on execution quality, organization, and learning. This is not a role for passive recommendations. You will actively contribute to experiments, ensure they are implemented correctly, and help turn insights into measurable improvements. **Key Responsibilities** ======================== * **Rollout**, in collaboration with the Senior Growth Manager. * Assist with funnel analysis to identify friction points and optimization opportunities across multiple reverse lookup funnels. * Help translate hypotheses into clear experiment requirements and briefs for engineers. * Work closely with engineering teams to ensure experiments are implemented accurately and meet quality standards. * Track experiment status, results, and learnings across multiple funnels. * Analyze test outcomes using basic statistical understanding to identify winners, losers, and follow\-up opportunities. * Maintain and regularly update the **experimentation backlog**, ensuring priorities, statuses, and documentation are always current. * Document learnings and contribute to building a structured experimentation knowledge base. * Communicate clearly with internal stakeholders on experiment progress, outcomes, and next steps. **Qualifications** ================== * **CRO Foundation:** 1\.5–3 years of hands\-on experience running CRO experiments, ideally on high\-traffic consumer or subscription funnels. * **Experiment Literacy:** Strong understanding of the CRO lifecycle and how experiments are designed, executed, and evaluated. * **Data Skills:** Ability to independently review experiment results and funnel metrics using tools such as Mixpane, GrowthBook or Tableau. * **Execution\-Focused:** Detail\-oriented and reliable when managing experiments from idea to production. * **Collaboration Skills:** Comfortable working with engineers and product teams to ensure high\-quality implementation. * **Organization \& Planning:** Strong ability to manage multiple experiments, timelines, and priorities without things falling through the cracks. * **Growth Mindset:** Curious, eager to learn, and motivated to expand CRO and experimentation skills over time. * **Fluent English:** Strong written and verbal communication skills. **Location** ============ Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. **Benefits** ============ Discover the perks of being part of our vibrant team! We offer: * **Remote Work Environment:** Embrace the freedom to work from anywhere, anytime, promoting a healthy work\-life balance. * **Unlimited PTO:** Enjoy unlimited paid time off to recharge and prioritize your well\-being, without counting days. * **Paid National Holidays:** Celebrate and relax on national holidays with paid time off to unwind and recharge. * **Company\-provided MacBook:** Experience seamless productivity with top\-notch Apple MacBooks provided to all employees who need them. * **Flexible Independent Contractor Agreement:** Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn\-ybUwP5d5Wr0BdwVrorrm\_fM40Q/preview Be part of our fast\-growing team and seize this excellent opportunity for personal and professional growth! **Interview Process** ===================== After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: * Recruiter Screening (40 minutes) * Technical Interview (30 minutes) * Test Assignment * Final Interview (30 min) **Life at Ruby Labs** ===================== At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small \- we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success. \#LI\-Remote

Spain

Ruby on Rails Developer - LLM65161370390913121

Indeed

Ruby on Rails Developer - LLM

Summary: This remote Ruby Engineer role involves reviewing and generating Ruby/Rails code for AI data training, evaluating AI reasoning, and providing expert feedback to improve AI models. Highlights: 1. Review and generate Ruby/Rails code for AI data training 2. Evaluate AI reasoning and provide expert feedback to improve models 3. Focus on readability, maintainability, and correctness of code Contract Remote ### **Role Description** As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI\-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step\-by\-step problem\-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for readability, maintainability, and correctness; identify errors in MVC structure, domain modeling, or control flow; fact\-check information; write high\-quality explanations and model solutions that demonstrate idiomatic Ruby patterns; and rate and compare multiple AI responses based on correctness and reasoning quality. This role is with, a fast\-growing AI Data Services company and subsidiary of that provides AI training data for many of the world’s largest AI companies and foundation model labs, and your work will directly help improve the world’s premier AI models while giving you the flexibility of impactful, detail\-oriented remote contract work. ### **Your Profile** * 1–2\+ years of professional Ruby programming experience in production environments. * Strong understanding of Ruby on Rails, MVC architecture, and idiomatic Ruby patterns for structuring application code. * Hands\-on software engineering experience building and maintaining Ruby or Rails applications, with exposure to real\-world production constraints. * Ability to evaluate readability, maintainability, and logical correctness in Ruby and Rails code, including model, controller, and service\-layer design. * Significant experience using LLMs or AI coding assistants while programming, combined with a disciplined approach to validating and reviewing their output. * Excellent English writing skills, capable of producing clear, structured, and pedagogical technical explanations and code reviews. * Minimum Bachelor’s degree in Computer Science or a closely related technical field. * Previous experience with AI data training, large\-scale code review, or evaluation of AI\-generated technical content is strongly preferred; Minimum C1 English proficiency and an extremely detail\-oriented working style are required. * Highly preferred: experience with frameworks and tools such as Ruby on Rails, Sinatra, and RSpec in real projects. * Preferred: merged PRs in Ruby open\-source projects, experience with metaprogramming or test\-heavy systems, and competitive programming exposure. ### **Key Responsibilities** * Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects. * Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance. * Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Spain

Indeed

Quality Engineer

BASQUEVOLT aims to become the European leader in the next generation of solid\-state lithium batteries. Our technology will make possible the mass deployment of electric transportation, stationary energy storage and advanced portable devices. Do you want to know more about us? Visit our website: https://basquevolt.com/en **QUALITY ENGINEER** **Main functions** * Implementing Quality Procedures and Instructions + Develop and update procedures as needed to enhance quality processes. + Conduct training sessions to ensure staff understanding and compliance with procedures. * Establishing Quality Control Plans + Develop current quality control plans and adjust them as necessary. + Monitor adherence to quality control plans through regular inspections and audits. + Develop measuring methods. * Defining Quality Tracking Procedures and KPIs + Design, implement and monitor specific KPIs related to product quality and process efficiency. + Analyze data to identify trends and areas for improvement. * Developing Employees and Leaders + Collaborate and contribute in the development of the Quality and continuous improvement culture * Participating in Change Management Processes + Collaborate with cross\-functional teams to assess quality impacts of proposed changes. * Driving Manufacturing Projects and Opportunities + Lead Core Tools activities + Identify improvement opportunities for quality enhancement and process optimization. **Interested? Here's Our recruitment process:** * Initial Contact: Connect with our People team for an introductory discussion. * Technical Interview \& meet your direct manager. Our swift process may involve up to two interviews. **What We Offer:** At BasqueVolt, we welcome the best talent from around the world. * International Environment: Join a diverse team of young professionals with more than 20 nationalities, fostering a positive intercultural atmosphere. * Supportive Onboarding: From day one, you'll have a buddy to guide you through everything about the company, ensuring seamless integration. * Work\-life balance: We embrace flexibility, remote work and promote a healthy work\-life balance. * Summer Schedule: Enjoy reduced hours during the summer and celebrate shorter Fridays throughout the year. * Training programs: We encourage employees to keep learning. We offer English and Spanish lessons. * Social and Networking Opportunities: Join our Afterwork WhatsApp group for exciting plans during your free time. **Are you ready to bring your expertise to shape the future of energy storage?** **Requirements** * Bachelor's Degree in Engineering. * Arround 5 years of work experience in chemical industry, including cells manufacturing or relevant sector. * Experience and knowledge of Core tools and measuring methods development. * Experience and knowledge of quality requirements and standards in the automotive industry (IATF 16949\). * Fluent in English; proficiency in other languages is a plus.

Calle la Esperanza, 19, 01002 Vitoria-Gasteiz, Araba, Spain

Cell Assembly Process Engineer64521249392385123

Indeed

Cell Assembly Process Engineer

**Scaling up and producing our solid\-state Lithium battery technology from scratch. Do you dare?** BASQUEVOLT aims to become the European leader in the next generation of solid\-state lithium batteries. Our technology will make possible the mass deployment of electric transportation, stationary energy storage and advanced portable devices. Do you want to know more about us? Visit our website: https://basquevolt.com/en **CELL ASSEMBLY PROCESS ENGINEER** **Department:** Process Engineering **Your Role:**As a key player in our dynamic team, you will be responsible for the definition of cell assembly process of Basquevolt’s semi\-solid proprietary Li\-ion cells. * Participating in the selection and validation of new battery assembly machines. * Participating in the design, validation and start\-up of assembly lines * Defining product and process specifications for the various battery designs with the R\&D teams \& Participating in the study of new battery designs. * Perform post\-fabrication assessments to validate the quality and reproducibility of the assembly. * Participate in the assessment of cells and suggest corrective measures that can be applied to the line. * Lead and execute continuous improvement iniciatives(Lean/ Kaizen /six sigma) to optimize production efficiency and reduce waste * Manage technical and cross\-functional projects from concept to completion, ensuring scope, timing, and budgets targets are met. * Develop, implement and validate mechanical machine modifications to improve process capability, productivity and safety. * Collaborate with engineering, maintenance and production teams to troubleshoot equipment issues and implement corrective actions * Drive data\-based decision making through process analysis, KPI tracking, and structured problem\-solving * Document engineering changes, project plans, ROI analyses, and improvement results **WHAT WE OFFER** At BasqueVolt, we welcome the best talent from around the world. Here's what we provide to make your journey with us exceptional: * **International Environment:** Join a diverse team of young professionals with more than 17 nationalities, fostering a positive intercultural atmosphere. * **Relocation Package:** We assist you in making your move to Spain as smooth as possible, offering support in all immigration and bureaucratic processes (health system, accommodation, bank appointments, traffic license, scholarship, and anything you may need!). * **Supportive Onboarding:** From day one, you'll have a buddy to guide you through everything about the company, ensuring seamless integration. * **Work\-life balance:** We embrace flexibility, remote work and promote a healthy work\-life balance. * **Summer Schedule:** Enjoy reduced hours during the summer and celebrate shorter Fridays throughout the year. * **Health and Well\-being:** Enjoy company\-paid life insurance, additional health benefits, Spain's free education and healthcare systems and options for exemptions on taxes. * **Training programs:** We encourage employees to keep learning. We offer English and Spanish lessons. * **Social and Networking Opportunities:** Join our Afterwork WhatsApp group for exciting plans during your free time. **INTERESTED? HERE'S OUR RECRUITMENT PROCESS:** * **Initial Contact:** Your first interaction will be with our People team. * **Technical Interview:** Meet the department manager for a technical interview. We aim for a swift process, potentially involving two interviews. Are you ready to be part of the future of energy storage? Apply now and let's shape the future together at BasqueVolt! **Requirements** The **Cell Assembly** **Process Engineer** should have experience in the development and manufacturing of lithium\-ion battery, ideally within a corporate organization. Specifically, we will assess expertise in the following aspects: * Degree in Mechanical Engineering. * A minimum of 5 years of experience in Li\-ion battery manufacturing. * Experience in battery products (LFP / NMC cathode, graphite anode, etc...). * Good understanding of the various product and process constraints related to the battery field. * Experience in mechanical piece assembly and stress expertise. * Proven experience in continuous improvement roles within a manufacturing environment. * Hands\-on experience designing and executing mechanical modifications or equipment upgrades. * Strong project management skills; ability to manage multiple initiatives simultaneously * Knowledge of Lean tools (5S, VSM, SMED, TPMetc…) and/or Six Sigma methodologies. * Excellent analytical, communication and stakeholder management skills * Applicants should be fluent in English. Spanish or any other European language will be a plus. Nice to have: CAD familiarity and experience with automation or industrial controls systems.

Calle la Esperanza, 19, 01002 Vitoria-Gasteiz, Araba, Spain