Explore 3 backend python software engineer jobs from 2 hiring companies in Harrington, DE, US. Filter by remote, salary, experience, and company, then open any listing to apply.

backend-python-software-engineer

Backend Python Software Engineer

Milford

Dover

Easton

Smyrna

Middletown

Salisbury

Bridgeton

Seaford

Georgetown

Millville

South Vineland

Cambridge

Vineland

Annapolis

Bear

Elkton

Denton

Glasgow

Riverview

Backend Python Software Engineer Jobs

CNF Technologies

Techximius

Hybrid

Onsite

Back End Developer (Mid) – San Antonio, TX - TS/SCI Required For This RoleEXPERIENCE:Provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties. Requires expertise in specialty areas.Shall perform engineering tasks for back-end design and development efforts including, but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management, and data model development and optimization.This Role Is a Good Fit If You…• Like structured work with clear expectations• Take pride in accuracy and consistency• Want to grow into more responsibility over time• Are comfortable working independently with support when neededThis role is not well suited for candidates who require daily task lists, close supervision, or highly structured workdays.QUALIFICATIONS, SKILLS, AND REQUIREMENTS:Required Skills:• 7 years of software development experience in object-oriented and scripted languages (see section 4.2) with the ability to apply several tool suites related to DevSecOps, microservices and containers.• Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.• 3 years of experience with bug tracking software (e.g., Jira).• 3 years of experience testing web-based applications.• 3 years of experience participating in software development programs or projects.• 3 years of experience performing back-end web design and development.• Demonstrated experience with relational databases, RESTful API development and communication, and system integrations.• 3 years of experience with the following: AWS Infrastructure, Kubernetes, and RedHat Linux.• Practical experience developing in a cloud environment.• Experience with integrating data from unclassified to classified application deployments.• 5 years of experience with Jenkins and GitLab.• 5 years of experience with at least five (5) of the following:• Postgress• RDS• Exodus• Python• Luna• Java• Docker• OpenJDK• Ansible• Packer• Maven• Kubernetes• Red HatRequired Interpersonal Skills:• Strong organizational and documentation skills.• Must be able to work under pressure and prioritize competing assignments with tight deadlines in environments with frequent interruptions.• Demonstrate a personal commitment and drive to meet or exceed objectives.• Be self-motivated, organized, and capable of proactively identifying, sourcing, and handling multiple initiatives at one given time to successful completion.• Be a team player and willing to work in a fast paced, fluid environment.Preferred/Desired Qualifications:• Experience using Agile Test-Driven development.• Experience integrating into DoW DevSecOps environments.• 5 years of experience with CI/CD software development.• Demonstrated experience in utilizing UX design tool suites (e.g., Sketch, InVision).• Experience structuring data so it can be integrated into machine learning technologies or AI capabilities.EDUCATION AND SECURITY REQUIREMENTS:• Bachelor’s degree in related field.• 7 years of experience in the functional area.&nbsp;• A Master’s degree may substitute for 2 years of experience.• Must be a US Citizen.• Must be eligible or have an active TS/SCI clearance.LOCATION AND SCHEDULE:Location – JBSA-Lackland, TX or Fort Meade, MDSchedule – Remote (Hybrid) No more than 50 miles from office.

Back End Developer (7+ Yrs and Clearance Required)  – San Antonio, TX

Back End Developer

7 years of software development experience; AWS, Kubernetes, RESTful APIs; Jenkins/GitLab; TS/SCI clearance; US citizen.

<div><div><div>Software Engineer IOverview&nbsp;We are currently seeking Software Engineer to support our Cybertron contract, delivering advanced software engineering solutions in support of mission-critical defense systems This role is ideal for early-career engineers who are eager to contribute to mission-driven systems and grow within a collaborative, innovation-focused organization. The selected candidate will work across multiple platforms and technologies, supporting modern software development efforts including backend services, microservices architectures, and web-based applications. Tech(x) fosters a flexible, forward-thinking culture that values technical excellence, continuous learning, and creative problem solving. Responsibilities<div style='margin:0in;font-size:16px;font-family:"Calibri",sans-serif;'><ul style="margin-bottom:0in;margin-left: 0in;"><li style="margin:0in;font-size:16px;font-family: initial;">Design, develop, test, and maintain software applications, services, and systems</li><li style="margin:0in;font-size:16px;font-family: initial;">Integrate software components into complex, distributed development environments</li><li style="margin:0in;font-size:16px;font-family: initial;">Support backend development and service-layer implementation</li><li style="margin:0in;font-size:16px;font-family: initial;">Collaborate with cross-functional teams to review system architecture, requirements, and code quality</li><li style="margin:0in;font-size:16px;font-family: initial;">Participate in Agile development processes, including sprint planning, stand-ups, and code reviews</li><li style="margin:0in;font-size:16px;font-family: initial;">Troubleshoot, debug, and optimize application performance</li><li style="margin:0in;font-size:16px;font-family: initial;">Contribute to technical documentation, including design artifacts and UML diagrams</li><li style="margin:0in;font-size:16px;font-family: initial;">Support database design and schema development as needed</li><li style="margin:0in;font-size:16px;font-family: initial;">Perform additional duties as assigned in support of mission objectives</li><li style="margin:0in;font-size:16px;font-family: initial;">All other duties as assigned.&nbsp;</li></ul></div><h2 style='margin-top:15.0pt;margin-right:0in;margin-bottom:6.75pt;margin-left:0in;font-size:17px;font-family:"Calibri Light",sans-serif;color:#2F5496;font-weight:normal;'>Qualifications</h2>Must be skilled in the following areas: <div style='margin:0in;font-size:16px;font-family:"Calibri",sans-serif;'><ul style="margin-bottom:0in;"><li style="margin:0in;font-size:16px;font-family: initial;">Proficiency in one or more programming languages: Java, C/C++, Python, or JavaScript</li><li style="margin:0in;font-size:16px;font-family: initial;">Experience or familiarity with:<ul style="margin-bottom: 0in;list-style-type: circle;"><li style="margin-top: 0in;margin-right: 0in;margin-bottom: 0in;font-size:16px;font-family: initial;">Backend development concepts</li><li style="margin-top: 0in;margin-right: 0in;margin-bottom: 0in;font-size:16px;font-family: initial;">Software development across Windows, Linux, or Android environments</li><li style="margin-top: 0in;margin-right: 0in;margin-bottom: 0in;font-size:16px;font-family: initial;">Web applications and/or microservices architectures</li></ul></li><li style="margin:0in;font-size:16px;font-family: initial;">Strong written and verbal communication skills</li><li style="margin:0in;font-size:16px;font-family: initial;">Ability to work effectively both independently and within a team environment</li><li style="margin:0in;font-size:16px;font-family: initial;">Demonstrated problem-solving ability and willingness to learn new technologiesExcellent in inter-personal communications with the team and the customers</li><li style="margin:0in;font-size:16px;font-family: initial;">Team Player, Self-Motivated, Independent worker</li></ul></div><h2 style='margin-top:15.0pt;margin-right:0in;margin-bottom:6.75pt;margin-left:0in;font-size:17px;font-family:"Calibri Light",sans-serif;color:#2F5496;font-weight:normal;'>Preferred Qualifications</h2><div style='margin:0in;font-size:16px;font-family:"Calibri",sans-serif;'><ul style="margin-bottom:0in;list-style-type: square;margin-left: 21.5px;"><li style="margin:0in;font-size:16px;font-family: initial;">Experience with Node.js, Vue.js, or similar frameworks</li><li style="margin:0in;font-size:16px;font-family: initial;">Exposure to full-stack web development</li><li style="margin:0in;font-size:16px;font-family: initial;">Familiarity with UML modeling and software design documentation</li><li style="margin:0in;font-size:16px;font-family: initial;">Experience designing or working with database schemas</li><li style="margin:0in;font-size:16px;font-family: initial;">Prior experience supporting DEVCOM or similar DoD environments</li><li style="margin:0in;font-size:16px;font-family: initial;">Understanding of military systems, operations, or terminology</li><li style="margin:0in;font-size:16px;font-family: initial;">Active TS/SCI clearance</li></ul></div> Clearance:&nbsp;<div style='margin:0in;font-size:16px;font-family:"Calibri",sans-serif;'><ul style="margin-bottom:0in;margin-left: 0in;"><li style="margin:0in;font-size:16px;font-family: initial;">Must have a current DoW clearance.</li></ul></div> Education &amp; Experience: <div style='margin:0in;font-size:16px;font-family:"Calibri",sans-serif;'><ul style="margin-bottom:0in;margin-left: 0in;"><li style="margin:0in;font-size:16px;font-family: initial;">Bachelors degree in computer science or similar.&nbsp;</li><li style="margin:0in;font-size:16px;font-family: initial;">1-5 years of software programming experience.&nbsp;</li></ul></div> Location:&nbsp;<div style="margin: 0in;"><ul style="margin-bottom: 0in; margin-left: 0in;"><li style="font-family: initial; font-size: 16px; margin: 0in;">Aberdeen Proving Grounds, Maryland.&nbsp;</li><li style="font-family: initial; font-size: 16px; margin: 0in;">Monday-Friday 8:00 am to 5:00 pm. Schedule flexing is available with the PM&rsquo;s approval.&nbsp;</li></ul></div> Travel:&nbsp;<div style='margin:0in;font-size:16px;font-family:"Calibri",sans-serif;'><ul style="margin-bottom:0in;margin-left: 0in;"><li style="margin:0in;font-size:16px;font-family: initial;">Possible travel; 10-15%</li></ul></div> Join the Team:&nbsp; Tech(x) is a customer centric team, both external and internal customers. This team supports each other to be successful on the job and in meeting the mission. Tech(x) is an Equal Opportunity Employer. &nbsp; </div></div></div>

 CyberTron Contract:  Software Engineer I

Software Engineer I

Entry-level software engineer with skills in Java/C/C++, Python, or JavaScript; knowledge of backend, web apps, and microservices; DoD environment familiarity preferred.

Title: AI/ML Software Engineer
Location: Hybrid in Annapolis, Maryland 
Company Background
At APV, we’re more than a technology company — we’re a mission-driven powerhouse transforming organizations through advanced technology and human ingenuity. Our expertise spans AI/ML, data architecture, low-code/no-code development, Agile DevSecOps, and cloud services, delivering scalable and meaningful solutions.
In our Emerging Technology Lab, innovation drives progress. Our teams create intelligent chatbots, AI-powered assistants, robotic process automation (RPA), essay graders, and data analytics platforms. If you’re passionate about solving complex challenges and shaping the future, APV is the place for you.
Since 2007, we’ve partnered with federal and state agencies to deliver IT, training, and consulting solutions that achieve mission-critical outcomes. Built on accountability, integrity, and quality, we go beyond expectations.
With 70+ prime contracts and a proven record of client success, APV continues to grow — and we’re looking for exceptional talent to grow with us.
At APV, we Always Provide Value.
Role: 
The AI/ML Software Engineer will build software tools that incorporate artificial intelligence and machine learning techniques to automate narrowly defined tasks with high accuracy, assist internal users with their job functions, and improve the experience external users have when interacting with user-facing systems. The work includes developing AI-enabled solutions for automation, knowledge retrieval, document processing, and data analysis within established technical constraints.
Duties: 
The AI/ML Software Engineer will:
System Design & Collaboration
<ul type="disc"><li class="MsoNormal">Design and build software systems that integrate AI/ML techniques to automate tasks, assist internal users, and improve user-facing services</li><li class="MsoNormal">Work within established constraints related to infrastructure, programming languages, and model selection</li><li class="MsoNormal">Contribute to technical decision-making related to data processing, retrieval strategies, and system integration</li><li class="MsoNormal">Collaborate with team members to define agent architectures, workflows, and system design decisions</li><li class="MsoNormal">Evaluate and select appropriate approaches for assigned tasks, including determining when to use LLM-based versus non-LLM techniques</li></ul>
Testing, Evaluation & Quality Assurance
<ul type="disc"><li class="MsoNormal">Assist in the design and implementation of testing and evaluation pipelines for AI/ML systems</li><li class="MsoNormal">Develop unit and integration tests for AI-enabled workflows and data pipelines</li><li class="MsoNormal">Generate and use synthetic data to support evaluation and benchmarking efforts</li><li class="MsoNormal">Contribute to improving system performance, including accuracy, latency, and cost efficiency</li></ul>
Deployment & Operations
<ul type="disc"><li class="MsoNormal">Support deployment of AI/ML applications within a hybrid cloud environment</li><li class="MsoNormal">Work with containerized applications to ensure reliable deployment and updates</li><li class="MsoNormal">Optimize systems for environments with limited computational resources, including minimal GPU availability</li></ul>
General Responsibilities
<ul type="disc"><li class="MsoNormal">Deliver production-grade systems aligned with defined requirements while supporting iterative improvement of evolving tools</li><li class="MsoNormal">Document system designs, workflows, and technical decisions as required</li><li class="MsoNormal">Stay informed on relevant advancements in AI/ML and apply them where appropriate within project constraints</li></ul>
Education:
·       Bachelor of Science in Engineering, Computer Science, Data Science, Mathematics, or a related technical field is required
Required Experience and Skills:
·       At least 3 years’ experience in data science, machine learning, or applied AI development. 
·       At least 3 years’ experience in software engineering, architecture, or web development. 
·       Experience building AI/ML-enabled software systems, including LLM-based and non-LLM approaches
·       Experience with Python for developing backend services, APIs, middleware, and data pipelines
·       Experience with SQL and relational databases (e.g., PostgreSQL)
Preferred Skills:
·       Experience working with large language models, including API-based integration and local deployment
·       Experience with RAG systems, including embeddings, vector similarity, reranking, and graph-based retrieval
·       Familiarity with testing and evaluation pipelines for AI systems, including the use of synthetic data
·       Experience validating AI-generated outputs and integrating AI tools into production systems
·       Experience with Git, Docker, containerization, and service-oriented architectures
·       Knowledge of hybrid cloud environments and distributed systems
·       Experience designing multi-agent or task-oriented AI systems
·       Familiarity with graph databases, asynchronous processing, and backend queues
·       Knowledge of classical NLP techniques alongside LLM-based approaches
About APV
APV is an Equal Employment Opportunity employer. All qualified applicants are considered without regard to race, national origin, gender, age, religion, disability, sexual orientation, veteran status, or marital status.

AI/ML Software Engineer

3+ years data science/ML and 3+ years software engineering/architecture; experience with AI-enabled software systems, Python backend, SQL databases; familiarity with AI/LLM and non-LLM approaches.

Backend Python Software Engineer Jobs in Harrington, DE, US | HiringCafe: every job on earth

Backend Python Software Engineer Jobs in Harrington, DE, US

Backend Python Software Engineer Jobs market signals in Harrington, DE, US

Companies appearing in this market

Work location mix in visible results