SQL Developer
CGI
SQL DeveloperCGI is seeking a highly skilled SQL Developer with deep expertise in PostgreSQL and MySQL to manage, optimize, and scale our database architecture. In this role, you will be responsible for designing relational database solutions, developing efficient database code, and building robust ETL data pipelines. Additionally, you will bridge the gap between our structured systems and non relational data environments by bringing a foundational familiarity with NoSQL technologies like MongoDB. You will collaborate closely with software engineering and data teams to ensure high performance, data integrity, and cross platform availability.***This position is located in our Fairfax, VA or Lafayette, LA office; however, a hybrid working model is acceptable***Your Future Duties And Responsibilities:Database Design & Development: Build and maintain scalable relational schemas, tables, views, and constraints across both PostgreSQL and MySQL environments. Advanced Scripting: Write and optimize highly complex queries, triggers, CTEs, and stored procedures/routines tailored to dialect specific features (e.g., PostgreSQL PL/pgSQL). ETL Pipeline Engineering: Design, implement, and monitor robust ETL/ELT data pipelines to extract data from disparate sources, transform it for business logic, and load it into target analytical databases or data warehouses. Performance Tuning & Optimization: Conduct query optimization, configure execution plans, manage indexing strategies (such as B Tree, GIN, or Hash indexes in PostgreSQL), and resolve deadlocks or database bottlenecks. Hybrid Data Collaboration: Support the integration of relational data systems with document oriented stores, utilizing your familiarity with NoSQL databases like MongoDB for unstructured or semi structured data workflows. Data Integrity & Security: Establish data security protocols, manage user roles and permissions, and collaborate on backup strategies to ensure disaster recovery readiness.Required Qualifications To Be Successful In This Role:Education: Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience). RDBMS Expertise: Strong, hands on production experience engineering databases with PostgreSQL and MySQL. ETL Proficiency: Proven experience building data pipelines using ETL tools (e.g., Apache Airflow, Talend, AWS Glue) or custom scripting languages. NoSQL Familiarity: Conceptual and practical understanding of NoSQL database architecture, specifically MongoDB, including basic querying and JSON/BSON document structures. Tooling: Proficiency with database management utilities such as pgAdmin or MySQL Workbench alongside version control systems like Git. Problem Solving: Exceptional analytical skills with a proven track record of diagnosing complex data performance anomalies and tuning slow running queries.Skills:GITMongoDBWhat You Can Expect From Us:Together, as owners, let's turn meaningful insights into action. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction.Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team—one of the largest IT and business consulting services firms in the world.
- ...security, and enterprise content/data management services. We have developed our methodologies and processes based on the IT Infrastructure... ...of action required to enhance the platform Develop new Oracle, SQL Server, and MySQL database modules and code to support expansion...Suggested
$112k - $179k
ResponsibilitiesAt Peraton we develop cutting-edge technology that preserves freedom and advances human discovery. Our pioneering and inventive... ...in lieu of a degree requirement.Experience with Postgres, SQL, and database performance tuningExperience installing...SuggestedContract workWork at officeShift work- ...a Database Developerin Herndon, VA. The Database Developer is responsible for making data available, accessible, and secure to all stakeholders... ...~ Work with various analysts to craft requirements ~ Optimize SQL queries run against TBs of data ~ Design database tables with...Suggested
- ...experience with Database development.This team is migrating the MySQL to Postgres.They need candidate solid experience with Advance SQL quires (stored procedure)This candidate will should have solid experience with MYSQL AND PostgreSQL.50% roles are into the quires/development...SuggestedRemote work
- ...Junior Database DeveloperThe Junior Database Developer designs and builds the data layer for the platform. You will develop schemas, queries... ...:3+ years of database development experienceStrong SQL and data-modeling skillsExperience with relational and/or NoSQL...SuggestedFor contractorsFlexible hours
- ...provider headquartered in McLean, VA seeking a Senior Database Developer. This is a full-time and remote position.Astor is looking for an... ...Procedures, Normalization, Multiple table queries, Materialized Views, SQL Tuning etcDevelop and modify triggers, packages, functions and...Full timeRemote work
$125k - $140k
MicroHealth is seeking an experienced Senior SQL Application Developer with strong expertise in SQL, database administration, Linux environments, database migration, and reporting solutions. This role provides advanced technical support for the program, serving as the principal...Full timeDay shift$100k - $200k
....The OpportunityAs a Senior Database Engineer, you will design, develop, and maintain a complex data architecture to support our long-term... ...functions into target-compatible languages (such as PL/SQL or SQL), rewriting logic.Identify and update hardcoded SQL queries within...Contract workWork experience placementWork at officeLocal areaFlexible hours- ...servicesMaintains large-scale data management solutions including developing efficient storage, indexing, and access approachesUpdates data... ...in lieu of a degree requirement. Experience with Postgres, SQL, and database performance tuningExperience installing...Temporary workFlexible hours
- ...Position Summary The Senior Database Developer is responsible for designing, developing, optimizing, and supporting enterprise database... ...application requirements. Develop, enhance, and troubleshoot complex SQL queries, stored procedures, and database code to ensure optimal...For contractorsLocal areaFlexible hours
$99k - $225k
...mission-critical applications and products? We need you to help us develop cloud-based solutions for some of the nation's toughest problems... ..., including raster and vector, from concept to O&M, using SQL, Python, and RExperience designing and building Node.js applications...Full timeContract workPart timeWork at officeLocal areaRemote work$141.5k - $236k
...MANTECH seeks a motivated, career and customer-oriented Database Developer to join our team in Herndon, VA. The Database Developer is... ...analysts to craft clear operational and data requirementsOptimize SQL queries run against terabytes of data for efficiency and speedDesign...Hourly payContract workTemporary workWork experience placementLocal areaRemote work$50k - $290k
...country and around the globe. We are looking for a Senior Database Developer to join our dynamic team. In this role, you will be responsible... ...systems, particularly focusing on AWS RDS for PostgreSQL and SQL databases Managing data structures and load routines to...Contract workWork experience placement$180k - $240k
...KNOWLEDGE/SKILLS Relational Database Platforms Microsoft SQL Server Oracle Database PostgreSQL (on-prem and cloud variants... ...-is) database environments while promptly coming up to speed Develop comprehensive engineering design documents for modernization,...Work experience placement- ...premises and AWS RDS, with schema design, performance tuning, backups, and security hardening. You will collaborate with Java developers, support SAP BI reporting and Apache Solr indexing, ensure data integrity, and implement disaster recovery and compliance controls...
$120.34k - $180.5k
...Database DeveloperWe are seeking a Database Developer to join our team. Working at NT Concepts means that you are part of an innovative,... ...adopted by applicationsExperience with query tools such as Toad or SQL DeveloperWorking knowledge and experience with Git and GitHub...Contract workRemote work- ...Qualifications Related Experience ~5+ years of hands‑on experience in database design, administration, and optimization for Oracle, SQL Server, PostgreSQL, or SAP HANA ~ Familiarity with database design principles, data loading techniques, backup and recovery...
- ...Reston, VA Position Type: Full Time Responsibilities Develop applications and data pipelines using PostgreSQL, Python, and AWS... ...migrations, and versioning, ensuring backward compatibility. Optimize SQL queries, indexing strategies, execution plans, and overall...Permanent employmentFull timeWork from homeFlexible hours
$80k - $128k
...making. Collaboration Collaborate closely with architects, system developers, business analysts, and security teams to drive modernization... ...analytics, or related roles. Expert-level proficiency with SQL and experience working with relational and NoSQL databases. Experience...Contract workShift work- ...Virginia! In this role, you'll join a collaborative team focused on developing and supporting backend applications, APIs, and enterprise... ...and support applications and backend services using C#, .NET, SQL Server, and Microsoft technologies. Build and support system...Full time
$131.3k - $237.35k
Leidos is seeking a Software Developer with strong problem solving and analytical skills who is detail-oriented with a focus on data accuracy... ..., batch jobs, and automated workflowsStrong knowledge of SQL and relational databasesFamiliarity with data modeling, schema design...Full timeWork experience placement- ...customer-facing use, ensuring secure and efficient data transmission.Develop internal services to streamline configuration management,... ...languages.Familiarity with backing stores and databases including both SQL/NoSQL such as Postgres, Cassandra desirableHistory of delivering...
- ...scale. The OpportunityAs a Database Engineer, you will design, develop, and maintain a complex data architecture to support our long-... ...and functions into target-compatible languages (such as PL/SQL or SQL), rewriting logic. Identify and update hardcoded SQL queries...Contract workWork at office
- ...Engineer to own and improve our production data systems across SQL Server and MongoDB in a 24/7 environment. This role focuses... ...practices (access control, auditing, patching) - Partner with developers on schema design and optimization - Lead investigation of production...
$150k - $225k
...engineering team. We are looking for candidates who have experience with developing and are not afraid to adapt to the right architecture,... ...(REST), Containerization , Kubernetes, Helm, NoSQL and SQL databases, TIG Stack, AWS or other cloud providers, Linux, Gitlab...Worldwide$86.8k - $198k
...trusted, accessible, and ready to support the mission. As a Database Developer, you’ll help design and deliver secure, high-performing Oracle... ...data types, embeddings, RAG, or MCP integrationsExperience with SQL and PL/SQL, including schemas, packages, procedures, functions,...Full timeContract workPart timeLocal areaRemote work$86.8k - $198k
...with a complete end-to-end geospatial database solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We’re looking for an experienced developer like...Full timeContract workPart timeWork at officeLocal areaRemote work- Vacancy: Software Developer (ASP.net) The Software Developer is responsible for designing, implementing, and testing enhancements to an ASP... ...(Required): ASP.net Web Forms C# Team Foundation Server (TFS) SQL Server (queries, creating tables/views/stored procedures) Front...
- ...Job Description Job Description Description: The Senior Oracle / SQL / Data Integration Developer will serve as the team's database, financial-data, and systems-integration technical lead . This individual will support the Oracle-based data environment underlying...Contract work
$95k - $105k
...be part of a small, highly collaborative team responsible for developing and supporting technology solutions for NVR’s Mortgage and Settlement... ...and support applications and backend services using .NET, C#, SQL, and Microsoft technologies.Develop and maintain APIs and...
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