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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior SQL Developer - **Company:** MissionMind Inc - **Location:** Columbia, MD, United States - **Experience:** Starter - **Salary:** $55,007.0 - $66,245.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Amazon Web Services, Bash Shell, Big Data, Cloud Computing, Databases, Data Integration, Extract Transform Load (ETL), Data Security, Data Systems, Data Warehousing, Database Design, Distributed Data Store, Apache Hadoop, Apache Hive, Python (Programming Language), Microsoft SQL Server, Oracle Databases, Oracle (Applications), Performance Tuning, Azure Data Lake, Shell Script, SQL Databases, Systems Integration, Talend, Data Storage Management, Apache Spark, Database Performance, Vba Programming Language, Restful APIs, Looker Analytics, Data Pipelines - **Published:** May 23, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=3098dd926c1d2e2a ## About the Role Do you have experience in Spark?, * Basic understanding of SQL programming with experience in Microsoft SQL Server or Oracle databases. * Familiarity with cloud platforms such as AWS or Azure Data Lake is highly desirable. * Knowledge of ETL processes and tools like Talend or Informatica; experience with Hadoop ecosystem components such as Apache Hive or Spark is a plus. * Exposure to Big Data concepts including distributed storage and processing frameworks like Hadoop or Spark. * Ability to write shell scripts (Bash) or Python for automation tasks; experience with VBA is advantageous. * Strong analysis skills with an eye for detail; capable of translating business needs into technical solutions. * Understanding of database design principles and data warehouse architecture. * Experience working within Agile teams; familiarity with RESTful APIs for system integration is beneficial. * Excellent problem-solving skills combined with a proactive attitude towards learning new technologies such as Looker or Model training techniques. Embark on a journey where your passion for data meets innovative technology! We are committed to fostering an inclusive environment that supports your growth while offering meaningful opportunities to develop your skills in a fast-paced setting. Join us today and help transform raw data into powerful insights that drive success! ## Description Join our dynamic team as a Junior SQL Developer and play a vital role in shaping our data-driven solutions! This energetic position offers an exciting opportunity to contribute to the development, optimization, and management of data systems that empower business insights. You will work closely with experienced data professionals to build scalable data pipelines, enhance database performance, and support analytics initiatives using cutting-edge technologies. If you're passionate about data, eager to learn, and ready to make an impact, this role is perfect for you!, * Assist in designing, developing, and maintaining SQL-based databases and data warehouses to ensure efficient data storage and retrieval. * Collaborate on building ETL (Extract, Transform, Load) processes using tools like Informatica and Talend to streamline data integration from diverse sources such as Oracle, Microsoft SQL Server, and cloud platforms like Azure Data Lake and AWS. * Support the implementation of Big Data solutions utilizing Hadoop, Apache Hive, Spark, and related frameworks to handle large-scale datasets effectively. * Develop and optimize SQL queries for reporting and analysis purposes; utilize Looker and other BI tools to create insightful dashboards. * Contribute to the automation of workflows through shell scripting (Bash), Python, VBA, or RESTful APIs to improve operational efficiency. * Participate in Agile development cycles by providing analysis skills for model training, database design improvements, and system enhancements. * Assist in troubleshooting database issues, performing performance tuning, and ensuring data security compliance. ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [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) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [SQL Murder Mystery: A game for hobby detectives who want to learn SQL](https://www.wearedevelopers.com/magazine/38-sql-murder-mystery-a-game-for-hobby-detectives-who-want-to-learn-sql) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)