> Markdown version of [/jobs/ext/2772317-javascript-and-sql-engineer](https://www.wearedevelopers.com/jobs/ext/2772317-javascript-and-sql-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Javascript And Sql Engineer - **Company:** Wizeline - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Data Analysis, Computing Platforms, JIRA, User Authentication, Data Architecture, Data Integration, Relational Databases, SQL Databases, Systems Integration, Tableau (Software), Freeform SQL, Sql Optimization, Snowflake, Git, Atlassian Tools, Data Analytics, Enterprise Integration, Graphql, Data Management, Restful APIs, Pagination, Looker Analytics, Software Version Control, Custom Reports - **Published:** September 7, 2026 - **Apply:** https://www.buscojobs.com.es/javascript-and-sql-engineer-en-barcelona-ID-369835401 ## About the Role data analytics and BI tools such as Atlassian Analytics, Looker, or Tableau. Advanced use of Google Sheets as both a data source and reporting layer. ? Data Management & Analytics (Core Skill) Strong expertise in SQL and relational data modeling. Ability to understand complex database schemas and write advanced SQL queries . Proven experience building dashboards and custom reports from multiple data sources. ? Integrations & Development (Core Skill) Strong experience with REST APIs , including authentication, pagination, rate limits, and error handling. Solid JavaScript skills (critical) to build custom integrations and automations, especially interacting with Jira and Google Sheets . Basic working knowledge of Git for version control and collaboration (recommended, not mandatory)., data architecture and advanced data modeling to support scalable, future-proof solutions. Experience or exposure to Snowflake for data integration, analytics, and reporting. Familiarity with GraphQL queries and an understanding of how Jira's GraphQL APIs may be leveraged in the future. Familiarity with AI prompting and agentic workflows , and how they can be applied to productivity, automation, and analytics use cases. ## Description We are:Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.With the right people and the right ideas, there's no limit to what we can achieve.Are you a fit?We are looking for a highly analytical and technically strong professional with a focus ondata, automation, and integrations, combiningadvanced SQL and JavaScriptto build scalable solutions, insightful reporting, and high-impact automations within the Atlassian ecosystem.Sounds awesome, right? Now, let's make sure you're a good fit for the role:ooling & Platform ExpertiseStrong, hands-on experience withJira Softwarewithin the Atlassian ecosystem.Experience working withdata analytics and BI toolssuch as Atlassian Analytics, Looker, or Tableau.Advanced use ofGoogle Sheetsas both a data source and reporting layer.?Data Management & Analytics (Core Skill)Strong expertise in SQLand relational data modeling.Ability to understand complex database schemas and writeadvanced SQL queries.Proven experience buildingdashboards and custom reportsfrom multiple data sources.?Integrations & Development (Core Skill)Strong experience with REST APIs, including authentication, pagination, rate limits, and error handling.Solid JavaScript skills (critical)to build custom integrations and automations, especially interacting withJira and Google Sheets.Basic working knowledge ofGitfor version control and collaboration (recommended, not mandatory).?Future & Emerging Skills (Nice to Have)Experience or strong interest indata architecture and advanced data modelingto support scalable, future-proof solutions.Experience or exposure toSnowflakefor data integration, analytics, and reporting.Familiarity withGraphQLqueries and an understanding of how Jira's GraphQL APIs may be leveraged in the future.Familiarity withAI prompting and agentic workflows, and how they can be applied to productivity, automation, and analytics use cases.What we offerCompetitive compensation & total rewards.Health benefits & wellness programs.Savings & retirement plans.Global mobility opportunities.Flexible work policy and remote-friendly approach.Happy hours, gaming tournaments, sports activities & more.Continuous learning & training programs with WizeAcademy.Free certifications in cloud technologies and coding languages.Find out more about our culturehere. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 139 - Soft and hard queries](https://www.wearedevelopers.com/magazine/487-dev-digest-139-soft-and-hard-queries) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)