68,902 Backend Engineers jobs in the United States

• Experience with SQL and performance tuning query optimization
• Experience with logical and physical replication, partitioning, and backup strategies
• Experiencie with PostGIS and PostgreSQL
• Knowledge of monitoring tools, including pg_stat_statements, Prometheus, or Grafana
• Knowledge of Linux/Unix environments and CLI tools like psql

• Knowledge of scripting languages for automation and tooling

• TS/SCI with a polygraph

• Bachelors Degree and 5+ years of experience with database engineering or HS Diploma or GED and 10+ years of experience with database engineering

• Experience with containerized environments like Docker or Kubernetes

• Knowledge of cloud platforms, including AWS RDS, GCP Cloud SQL, or Azure Database for PostgreSQL
• Knowledge of CI/CD pipelines and infrasturcutre as code including Terraform and Ansible
• Knowledge of Oracle, MySQL, or NoSQL

Zachary Piper Solutions is seeking a Database Engineer to support a program with the Department of Energy on-site in Washington, DC. The Data base Engineer will manage and administer the database systems to support the organization. This is a long-term job opportunity.

Responsibilities for the Database Engineer include:

• Design and develop database applications, write and optimize SQL queries, and perform data analysis and troubleshooting.
• Ensure integrity and security of the database systems, perform code reviews, and maintain documentation of database designs and architecture.
• Collaborate with application developers, DBAs, and various stakeholders.

• 7+ years of experience with Database Engineering
• Experience with PL/SQL writing custom queries and scripts, Oracle, HTML, CSS
• Experience with Unix/Linux scripting, VBA automation
• Active TS or Q Clearance

We are searching for cleared professionals who are passionate about their work and ready to take the next step in their careers! The talented individuals we hire at Synergy are provided with a multitude of contract opportunities from developing tip-of-the-spear capabilities to providing support for ongoing mission-critical operations. With high demand from our National Security customers for our talent and expertise, our employees are shaping the future in support of our customer's most critical needs and are working with some of the best and brightest in the industry.

What you will be doing:

Synergy is seeking an experienced Database Engineer provide technical expertise for database design, development, implementation, information storage and retrieval, data flow and analysis. This work is on a new contract, and we are actively staffing for this opportunity!

If you're ready to step into a new and exciting role as part of a highly skilled team, then we want to hear from you and learn more about your experience!

You will be responsible for developing or maintaining database structures to fit into the overall architecture of the system. Create new workflows to take over existing processes as needed as well as provide break/fix requests or updates. Lead development of database structures, database parser software, and database loading software. Support the development and test of various Python based ReST end points, microservices, and data model management capabilities utilizing Django and Flask frameworks to interact with data models such as mariaDB, MongoDB, and PostgreSQL and send data upon request, in JSON format, to UI front ends.

Requirements

Requires five (5) years of experience as a Database Engineer on programs and contracts of similar scope, type, and complexity. A Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional Database Engineering experience on projects with similar scope, type, and complexity may be substituted for a bachelor's degree.

Required Capabilities:

• Database experience using MongoDB or MariaDB ; including deployment and management of the database itself, debugging of optimization issues, and scaling.

• Python, Django or Flask, ReST Endpoint Development, Micro-Service Model, Swagger, AWS, C2S or other cloud experience, Docker, Visual Studio Code or similar IDEs, JSON and/or XML serialization, Jira, Confluence, Git version control, Experience working in Agile environment.

• Must be fully cleared with the appropriate Polygraph.

• Compensation : We offer highly competitive compensation so everyone can share in the growth of the company as we build its success together!
• Health & Retirement : We offer a comprehensive Health Benefits package and 401K Retirement plan so you can take care of yourself and your family, now and in the future. Other health-related benefits include an employee Gym wellness benefit.
• Education : Individual growth is a priority at Synergy. Employees are encouraged to take advantage of our company-sponsored continuing education program so they can get their degree or that next certification needed to propel them towards the next level.
• Work/Life Balance : A healthy work/life balance is essential for building and executing your work effectively at Synergy, but it's also necessary to allow you the room to pursue everything you want to develop in your personal life. We offer a generous Paid Time Off benefit and 11 paid holidays a year. Synergy also provides flexible work options that work with your schedule and lifestyle.
• Great Corporate Facilities : Come by our corporate office and enjoy a weekly happy hour, take a drive to nearby restaurants, grab a snack or coffee in our café, or utilize our collaborative office space and conference rooms.

• Five (5) years experience as a DBE in programs and contracts of similar scope, type, and complexity is required.
• Bachelor's degree in a technical discipline from an accredited college or university is required.
• Five (5) years of DBE experience may be substituted for a bachelor's degree.

• Design and optimize PostgreSQL database schemas, indexes, and queries for performance and scalability.
• Monitor and tune database performance using native tools and custom scripts.
• Implement and maintain high availability (HA) and replication strategies.
• Collaborate with developers to refine complex queries and stored procedures.
• Automate routine tasks using scripting languages (e.g., Bash, Python).
• Document database architecture, processes, and best practices.

• Experience with PostgreSQL and PostGIS.
• Strong SQL skills and experience with performance tuning and query optimization.
• Proficiency in Linux/Unix environments and CLI tools like psql.
• Experience with logical and physical replication, partitioning, and backup strategies.
• Familiarity with monitoring tools (e.g., pg_stat_statements, Prometheus, Grafana).
• Knowledge of scripting languages for automation and tooling.
• This position requires in-scope poly, within 7 years.

• Experience with containerized environments (Docker, Kubernetes).
• Familiarity with cloud platforms (AWS RDS, GCP Cloud SQL, or Azure Database for PostgreSQL).
• Understanding of CI/CD pipelines and infrastructure as code (Terraform, Ansible).
• Exposure to other RDBMS (e.g., Oracle, MySQL) or NoSQL systems is a plus.

Peraton is hiring a Database Engineer to support critical missions within its Risk Decision Group.

This is a 100% Remote position.

Key Responsibilities

Design, develop, and maintain scalable ETL/ELT pipelines using SQL/Python.
• Architect and orchestrate modular, traceable data workflows and dependencies with modern frameworks (e.g., Airflow, Prefect, Dagster).
• Assist in building and maintaining cloud-native database management systems on platforms such as AWS and Azure, including data modeling and schema design.
• Write and optimize SQL queries across cloud platforms (e.g., Amazon RDS, Azure SQL) under guidance to ensure query performance and system scalability.
• Build and manage data workflows supporting operational and analytical reporting, and AI systems.
• Help develop cloud-based data validation methods and analysis tools that serve dynamic business needs.
• Develop and deploy backend API service (e.g., FastAPI) within containerized environments to expose processed data to downstream applications.
• Optimize data systems for performance, reliability and monitoring.
• Monitor, troubleshoot, and improve existing data pipelines and workflows.
• Implement data governance, security, and quality control best practices.
• Maintain clear documentation of systems, processes and data lineage.

Required Qualifications

Education and clearance

• U.S. Citizenship required.
• Must be able to obtain and maintain a T5/SSBI federally adjudicated clearance
• 5 years with BS/BA; 3 years with MS/MA; 0 years with PhD

Core Programming and ETL Tools

• Proficiency in SQL/Python, especially for ETL workflows (e.g., DBT, Pandas, PySpark) and orchestration tools (e.g. Airflow, Prefect, Dagster)
• Experience designing modular, traceable data flows and managing workflow dependencies.

Database and Data Architecture

• Familiarity with relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Cassandra) in both on-prem and cloud contexts
• Strong SQL skills with exposure to Microsoft Sql Server and cloud database interfaces (Amazon RDS, Azure SQL Database)
• Understanding of data architecture principles including normalization, schema design, and performance tuning

Process, Collaboration & Communication

• Demonstrated oral and written communication skills and ability to work in Agile environments with tools such as Team Foundation Server (TFS)
• Experience with Visual Studio Team Services (TFS) or Git integrations within Visual Studio to manage version control and code collaboration for SQL projects
• Strong problem solving and communication skills
• Ability to learn and adapt quickly to evolving data and cloud technologies in a high-paced mission-driven environment

Preferred Skills

• Container orchestration platforms (Docker Swarm, Kubernetes)
• Background in DevOps practices and CI/CD pipelines
• Understanding of data privacy and compliance regulations (e.g., GDPR, HIPAA)
• Experience with data warehousing tools (Snowflake, Redshift, BigQuery, or similar)
• Experience building and deploying backend data service (e.g., FastAPI) in containerized environments.

#RDG

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Peraton is hiring a Database Engineer to support critical missions within its Risk Decision Group.

This is a 100% Remote position.

Key Responsibilities

Design, develop, and maintain scalable ETL/ELT pipelines using SQL/Python.
• Architect and orchestrate modular, traceable data workflows and dependencies with modern frameworks (e.g., Airflow, Prefect, Dagster).
• Assist in building and maintaining cloud-native database management systems on platforms such as AWS and Azure, including data modeling and schema design.
• Write and optimize SQL queries across cloud platforms (e.g., Amazon RDS, Azure SQL) under guidance to ensure query performance and system scalability.
• Build and manage data workflows supporting operational and analytical reporting, and AI systems.
• Help develop cloud-based data validation methods and analysis tools that serve dynamic business needs.
• Develop and deploy backend API service (e.g., FastAPI) within containerized environments to expose processed data to downstream applications.
• Optimize data systems for performance, reliability and monitoring.
• Monitor, troubleshoot, and improve existing data pipelines and workflows.
• Implement data governance, security, and quality control best practices.
• Maintain clear documentation of systems, processes and data lineage.

Required Qualifications

Education and clearance

• U.S. Citizenship required.
• Must be able to obtain and maintain a T5/SSBI federally adjudicated clearance
• 5 years with BS/BA; 3 years with MS/MA; 0 years with PhD

Core Programming and ETL Tools

• Proficiency in SQL/Python, especially for ETL workflows (e.g., DBT, Pandas, PySpark) and orchestration tools (e.g. Airflow, Prefect, Dagster)
• Experience designing modular, traceable data flows and managing workflow dependencies.

Database and Data Architecture

• Familiarity with relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Cassandra) in both on-prem and cloud contexts
• Strong SQL skills with exposure to Microsoft Sql Server and cloud database interfaces (Amazon RDS, Azure SQL Database)
• Understanding of data architecture principles including normalization, schema design, and performance tuning

Process, Collaboration & Communication

• Demonstrated oral and written communication skills and ability to work in Agile environments with tools such as Team Foundation Server (TFS)
• Experience with Visual Studio Team Services (TFS) or Git integrations within Visual Studio to manage version control and code collaboration for SQL projects
• Strong problem solving and communication skills
• Ability to learn and adapt quickly to evolving data and cloud technologies in a high-paced mission-driven environment

Preferred Skills

• Container orchestration platforms (Docker Swarm, Kubernetes)
• Background in DevOps practices and CI/CD pipelines
• Understanding of data privacy and compliance regulations (e.g., GDPR, HIPAA)
• Experience with data warehousing tools (Snowflake, Redshift, BigQuery, or similar)
• Experience building and deploying backend data service (e.g., FastAPI) in containerized environments.

#RDG

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

We are seeking a Database Engineer to design, optimize, and maintain enterprise databases, data warehouses, and ETL pipelines. The role includes developing Qlik/Tableau reports, ensuring data integrity, and integrating new systems to enhance performance. The ideal candidate has strong ETL skills with Databricks, Python, and Spark, proficiency in Qlik/Tableau, and a detail-oriented mindset for delivering high-quality solutions. This is a hybrid position with some onsite work required.

About Technical Intelligence Solutions, LLC

When engineers lead, solutions follow. We do computing process optimization using the techniques and tools appropriate to maximize efficiency. Our SME level team members design and modernize systems using automation, containerization, and cloud services to provide SRE, AI/ML, Full Stack Development, and Data Engineering. We address our customers' challenges the right way, the first time.TIS is proud to serve critical missions for government customers like SOCOM, DTRA, CDAO, and others, in locations including Virginia, DC, North Carolina, and Florida, as well as OCONUS. TIS values quality, loyalty, and collegial collaboration over all else, to ensure our customers' success through meeting and beating deadlines, while minimizing total cost of delivery.If you're looking for a collegial environment to help design and implement mission-critical capabilities with rock-solid reliability, we look forward to meeting you.

Description

Security Clearance: Must be a U.S. Citizen and possess a DoD Secret clearance.

Minimum Requirements:

• 3-10 years of directly related experience.
• Bachelor's or Master's degree (B.A./B.S. or M.A./M.S.).
• Minimum 3 years of experience as a Data Engineer with demonstrated experience in relational databases (creating staging, fact, and dimension tables).

• Design and maintain enterprise databases, data warehouses, and multidimensional networks.
• Set database standards for operations, programming, queries, and security.
• Create and optimize data models, integrating new systems and improving performance.
• Maintain CMIS ETL pipeline: troubleshoot, update for new data, and manage ingestion/transformation.
• Develop data products: create Qlik/Tableau reports, refactor dashboard data ingest, document usage, and resolve automation/production issues.

• ETL expertise with Databricks, Python, Spark, Scala, JavaScript/JSON, and PL-SQL.
• Proficient in Qlik and Tableau report/dashboard development.
• Strong ability to interpret data requirements and produce actionable visualizations.

• Preferred: experience with AWS S3, delta, and external tables.
• Skilled in developing/implementing pipelines using Databricks, Python, Spark, Scala, JavaScript/JSON, and PL-SQL.
• Detail-oriented, delivering high-quality results with minimal oversight.

The Opportunity:

Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there's more structured and unstructured data available today than ever before. As a data engineer, you know that organizing data can yield pivotal insights when it's gathered from disparate sources. We need an experienced data engineer like you to help our clients find answers in their data to impact important missions-from fraud detection to cancer research to national intelligence.

As a data engineer at Booz Allen, you'll help build advanced technology solutions and implement data engineering activities on some of the most mission-driven projects in the industry. You'll deploy and develop pipelines and platforms that organize and make disparate data meaningful.

Here, you'll work with and guide a multi-disciplinary team of analysts, data engineers, developers, and data consumers in a fast-paced, agile environment. You'll use your experience in analytical exploration and data examination while you manage the assessment, design, building, and maintenance of scalable platforms for your clients.

Work with us to use data for good.

Join us. The world can't wait.

You Have:

• 6+ years of experience designing, developing, and maintaining relational or NoSQL databases, such as PostgreSQL, MySQL, MongoDB, or SQL Server

• 5+ years of experience implementing database performance tuning, indexing, partitioning, and query optimization strategies

• 4+ years of experience supporting ETL and ELT pipelines in data ingestion, transformation, and archival within secure enterprise environments

• 3+ years of experience designing and managing data models, schemas, and access patterns aligned with application requirements

• 3+ years of experience applying data protection best practices, including encryption at rest, access control policies, and audit logging

• 3+ years of experience working with software development teams to define and support database requirements within Agile or DevSecOps workflows

• 2+ years of experience scripting or automating database tasks using SQL, Python, PowerShell, or Bash

• TS/SCI clearance

• HS diploma or GED

Nice If You Have:

• Knowledge of Joint Combatant Command organizational structures

• Ability to draft comprehensive documents to capture and codify work-related tasks

Clearance:
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCIclearance is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Identity Statement

As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Work Model
Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely.

• If this position is listed as remote or hybrid, you'll periodically work from a Booz Allen or client site facility.
• If this position is listed as onsite, you'll work with colleagues and clients in person, as needed for the specific role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

Nakupuna Consulting seeks a Database Engineer with supervisory and leadership experience who will be responsible for maintaining and end enhancing mission critical datasets for our Department of Defense (DoD) customer(s). The candidate will lead a team of 3 - 4 Database Administrators and Engineers, collaborating with both contractor and government civilian professionals, to accomplish database and data architecture priorities set by the customer. The candidate should be familiar with Agile project methodologies, able to work with a geographically dispersed workforce, and be comfortable communicating with a variety of IT professionals including technicians, end-users, and executive level stakeholders. This position demands knowledge of Microsoft SQL Server administration and development as well as the ability to quickly learn and implement new technologies as the customer migrates into managed database services.

The following reflects management's definition of essential functions for this job but does not restrict the tasks that may be assigned. Management may assign additional duties and responsibilities to this job at any time due to reasonable accommodation or other reasons.

Leadership Responsibilities:

Work closely with the customer and database team to establish team tasks and priorities.
• Serve as technical lead for a team of 3-4 database administrators and engineers to fulfill customer priorities.
• Enforce project best-practices, including ensuring all work is documented, approved, and properly reported.
• Collaborate with the customer and other IT functional teams to ensure database requirements are being communicated and fulfilled.
• Advise stakeholders on suggested COAs, roadmaps, and compliance improvements as required.
• Create white-papers, PowerPoint presentations, and workflow diagrams to facilitate communication and documentation needs.
• Supervise 3-4 database administrators / engineers. Supervisor duties include annual goal setting, frequent professional development conversations, coaching / mentorship, performance assessments.
• Proactively seek opportunities to improve inefficient processes, and train IT administrators on database related activities.

Database Engineering Responsibilities:

• Database Engineering and Architecture : Design and develop data pipelines, ETL processes, and data integration workflows to support business intelligence and analytics platforms.
• Data Modeling: Create and maintain logical and physical data models, ensuring alignment with business and system requirements.
• Database Management: Build, maintain, and optimize Microsoft SQL Server databases to ensure high availability, scalability, and reliability.
• Data Quality and Governance: Implement data quality controls, auditing, and governance policies to ensure accuracy, consistency, and security of data assets.
• Performance Optimization: Implement best practices for query tuning, indexing strategies, and storage optimization to achieve optimal database performance.
• Automation: Develop automation scripts using T-SQL, PowerShell, or other scripting languages to streamline data processes and database management tasks.
• Cloud Integration: Leverage cloud-based solutions to support data architectures within the Amazon Web Services (AWS) GovCloud environment.
• Documentation: Develop and maintain documentation including Standard Operating Procedures (SOPs), diagrams and presentations.
• Strategic Contribution: Help define data strategy and contribute to technology selection and adoption to improve the data ecosystem.
• Quality Assurance: Develop comprehensive test suites and detailed test plans for unit testing, regression testing, and user acceptance testing (UAT).

Skills/Qualifications: Excellent technical, organizational, decision-making, analytical, and planning skills. Effective communicator who takes initiative and the ability to adapt to dynamic environments. In addition, the following technical skills are needed:

• Expertise in database design, data warehousing, and ETL processes.
• Proficiency in Transact-SQL (T-SQL) for complex queries, stored procedures, and performance tuning.
• Experience with data pipeline tools and technologies, such as SQL Server Integration Services (SSIS).
• Solid understanding of data modeling techniques, including star schema and snowflake schema designs.
• Familiarity with cloud-based data platforms, particularly in Amazon Web Services (AWS).
• Experience with SaaS database solutions such as AWS RDS and or Aurora hosted databases.
• Knowledge of data governance, security, and compliance best practices.
• Demonstrated proficiency with source control systems, including the ability to manage code repositories, track changes, and collaborate effectively with team members to ensure version control and maintain code integrity throughout the development lifecycle.
• Be able to support DevSecOps implementation including automated testing, release pipelines, and automated deployment.
• Demonstrated proficiency with Microsoft Visual Studio, including experience in using its integrated development environment (IDE) for coding, debugging, testing, and deploying database software applications efficiently across various platforms.
• Proficiency with Microsoft 365 applications that includes Word, Excel, Visio, and SharePoint.
• Experience with DoD standard tools and technologies.
• Experience using Agile methodologies and ticketing systems such as JIRA is desirable.

Education/Experience:

• Bachelor's degree in a technical major from an accredited institution as well as a minimum of (5) five years of relevant professional experience.
• Equivalent years of related work or military experience in lieu of degree will also be considered.

Certification:

• Required:
  • Active IAT II Certification which may include CompTIA Advanced Security Practitioner (CASP+), CompTIA Cybersecurity Analyst (CySA+), Certified Information Systems Security Professional (CISSP), or CompTIA Security+.
• Nice to have:
  • Microsoft SQL Server, Microsoft Certified Solutions Associate (MCSA), Microsoft Certified Solutions Developer (MCSD), Microsoft Certified Solutions Expert (MCSE) or Azure database role-based certifications
  • Amazon Web Services (AWS) certifications
  • AWS Certified Engineer
  • Scrum Master or other Agile Methodology related certifications

Clearance Requirements: Must currently have at least a Secret level security clearance. Must be a U.S. citizen.

Work Location:

• This opportunity is in Arlington, VA or Honolulu, HI, and requires three (3) days per week on-site. Travel to Honolulu, HI or the continental US may be required approximately one week per year.
• This position may require working outside of normal business hours, including evenings and weekends, to meet occasional operational or project demands.

Physical Requirements: The ideal candidate must at a minimum be able to meet the following physical requirements of the job with or without reasonable accommodation:

• Ability to perform repetitive motions with the hands, wrists, and fingers.
• Ability to engage in and follow audible communications in emergency situations.
• Ability to sit for prolonged periods at a desk and working on a computer.

The Nakupuna Companies use a market-based compensation strategy to ensure that our employees are compensated within applicable market ranges commensurate with multiple factors, including but not limited to the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability, organizational requirements, and position location. The projected compensation range for this position is $120,000.00 to $150,000.00 (annualized USD). The salary range displayed represents the typical salary range for this position and is just one component of Nakupuna Companies total compensation package for employees.