CNO - Senior Software Engineer - Backend, Java, Python

Erias Ventures, LLC

Maryland

On-site

USD 150,000 - 275,000

Full time

5 days ago
Be an early applicant
Application generator

An application made for this job — a tailored resume and cover letter that speak straight to the posting.

Get past ATS filters

Benefits offered by this job

Above Market Hourly Pay
11% Roth or Traditional 401k with Vest
Spot Bonuses
Professional Development Bonuses
Medical Coverage
Vision Coverage
Dental Coverage
Long Term Disability
Short Term Disability
Group Life Insurance
Wellness Reimbursement
Paid Time Off
Flexible Work Schedules
Birthday Off
Amazon Prime Membership
Internet Reimbursement
Equipment/Tech Allowance
Company Events

Job summary

Erias Ventures, LLC in Annapolis Junction, MD is seeking a seasoned backend engineer to design, develop, and maintain Java libraries and services that ingest and transform diverse data formats into a standardized internal model. The role emphasizes hands-on development with some Python components, plus system administration of MongoDB and Linux-based operations.

The ideal candidate will have deep Java experience, familiarity with JSON/XML/CSV data, strong problem solving, and the ability to work

Qualifications

  • Bachelor's degree in a STEM field and substantial software development experience.
  • Deep Java experience with familiarity in Python.
  • Experience administering Linux and MongoDB in production environments.

Responsibilities

  • Design, implement, and maintain data ingestion/transformation logic.
  • Create shared libraries for common data formats.
  • Ensure performance and scalability of data workflows and integration patterns.
  • Collaborate using Git, code reviews, and CI/CD practices.

Skills

Java development
Python
MongoDB
Linux systems
Data ingestion
RESTful services
Git
SQL/NoSQL

Education

Bachelor's degree in Electrical Engineering or Computer Science

Tools

RPMs
Dialogic CTI
Unix/Linux scripting

Job description

  • Annapolis Junction, MD

Erias Ventures was founded to serve its customers with an entrepreneurial mindset. We valuecreative problem-solving,open communication, andempowering our employeesto make decisions and put forth new ideas.


Our staff includes technical experts working across multiple disciplines, bringing diverse perspectives to every project. We are seeking engineers who wish to grow their careers and want to become part of atechnicallystrongandgrowth-orientedcompany focused on bringinginnovative solutionsto the difficult mission problems facing our customers.


Description

Design, develop, and maintain backend libraries and services that transform diverse data formats into a common, reusable schema consumed by multiple applications across the organization. This is a hands on technical role focused primarily on Java development, with secondary responsibility for Python based components where needed. There is no UI work; the emphasis is on building robust libraries and integration services that can reliably ingest, interpret, and convert constantly changing data sources into a standardized internal model. In addition to core development responsibilities, this role includes a system administration component. The engineer will help manage and optimize MongoDB services, work within a Linux ecosystem, and perform operational tasks such as upgrading servers, installing RPMs, monitoring services, and troubleshooting environment issues.


Key responsibilities include, designing and implementing data ingestion and transformation logic, creating and maintaining shared libraries for common data formats, ensuring performance and scalability, and contributing to architectural decisions around data modeling and integration patterns. The role also involves collaborating through modern development practices, including Git based source control, code reviews, and continuous improvement of development workflows.


The ideal candidate has deep experience in Java (and familiarity with Python), a strong understanding of working with varied data formats (e.g., JSON, XML, CSV, and custom structures), and practical experience administering Linux based systems and MongoDB in production environments. Strong problem solving skills, attention to detail, and a willingness to engage in both development and operational tasks are critical for success in this role.


Clearance

A current Top-Secret/SCIwith polygraph security clearance is required. Candidates cannot be sponsored or nominated for a government security clearance under this position.


Experience

Shall have a minimum of a Bachelor of Electrical Engineering or Computer Science or Computer Engineering or Mathematics or similar STEM degree and a minimum of Twelve (12) years of software/system development work experience or a Masters of Computer Science or Computer Engineering (Four (4) years of equivalent related experience may be substituted for Bachelor degree).


Required skills:



  • Minimum of six (6) years of experience with technical expertise in three (3) or more of the following areas:

    • System Requirements Analysis

    • Software System Design

    • Software System Development

    • Software System Integration

    • Software System Testing



  • At least eight (8) years of work experience in four or more of the following areas:

    • Developing software applications in C, C++, C#, Java, ASPE.NET and Web Forms.

    • Developing software applications for Unix, Linux, or Windows environments.

    • Developing DLLs for the Windows environment.

    • Development on computer telephony platforms using computer telephony cards such as Dialogic.

    • Object-oriented design and programming.

    • Working knowledge of common protocols/standards such as TCP/IP, SNMP, H.323, X.25, 802.11, 802.16, SIP, MEGACO, or MGCP.

    • Web development, with proven knowledge of XML, php, mySQL, ColdFusion, or Apache.

    • Script writing using Perl, Python, Bourne shell, C shell, or other proprietary scripting languages.

    • Database experience with Sybase, Oracle, Microsoft, Mongo or similar databases.

    • Reverse engineering and analysis of software.

    • Kernel knowledge of Unix (Linux).

    • Bit-level data analysis.




Benefits

Erias Ventures provides a complete package of wealth, health, and happiness benefits. The expected salary range for this position, depending on education and years of experience is $150,000 - $275,000.


Wealth Benefits:


  • Above Market Hourly Pay

  • 11% RothorTraditional 401kwith Immediate Vesting and Deposit

  • Spot Bonusesfor Assisting with Business Development and Company Growth

  • Professional Development Bonusesfor Certificates and Degrees


Health Benefits:


  • Company subsidizedMedicalCoverage

  • 100%Company PaidVisionandDentalCoverage

  • 100%Company PaidLong Term Disability,Short Term Disability, andGroup Life Insurance

  • MonthlyWellness Reimbursement


Happiness Benefits:


  • Paid Time OffwithFlexible WorkSchedules andBirthday Off

  • Amazon Prime MembershipandMonthlyInternetReimbursement

  • TechnologyandProductivity Allowancefor Equipment and Supplies

  • Morale BuildingandCompany Eventsto Celebrate our Successes and Build our Community

  • Onboarding and AnnualSwag

  • Company Paid Professional DevelopmentandTraining


At Erias Ventures, we are dedicated to fostering a diverse and inclusive workplace. As an equal opportunity employer, we ensure that all qualified applicants are considered for employment based on merit, without discrimination. We welcome individuals regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

Enterprise - Software Engineer - Python, C++, Git 8/25/2026 Annapolis Junction, MD MD - LAV
Enterprise - Software Engineer - Python, C++, Git 8/25/2026 Annapolis Junction, MD MD - LAV

Erias Ventures, LLC • Annapolis (MD)

On-site
USD 250,000 - 285,000
Above Market Pay
Roth 401k with Immediate Vesting
Spot Bonuses
+13
Enterprise - Software Engineer - Java, REST, Git
Enterprise - Software Engineer - Java, REST, Git

Erias Ventures, LLC • Maryland

On-site
USD 225,000 - 250,000
Above Market Pay
Roth 401k with Vesting
Spot Bonuses
+7
Enterprise - Agile Developer - Full Stack, Java, Cloud 9/3/2026 Annapolis Junction, MD MD - LOU
Enterprise - Agile Developer - Full Stack, Java, Cloud 9/3/2026 Annapolis Junction, MD MD - LOU

Erias Ventures, LLC • Annapolis (MD), Northern (KY)

Hybrid
USD 175,000 - 265,000
Above Market Pay
401k with Immediate Vesting
Paid Time Off
Enterprise - Software Engineer - Linux, Python, C++
Enterprise - Software Engineer - Linux, Python, C++

Erias Ventures, LLC • Maryland

On-site
USD 250,000 - 285,000
Above Market Hourly Pay
Spot Bonuses
Professional Development Bonuses
+1
Enterprise - Senior Software Engineer - Angular, Spring, Java
Enterprise - Senior Software Engineer - Angular, Spring, Java

Erias Ventures, LLC • Maryland

On-site
USD 245,000 - 270,000
Above Market Hourly Pay
11% Roth or Traditional 401k with Vest
Spot Bonuses
+8
Enterprise - Agile Developer - Full Stack, Java, Cloud
Enterprise - Agile Developer - Full Stack, Java, Cloud

Erias Ventures, LLC • Maryland

On-site
USD 175,000 - 265,000
Above Market Hourly Pay
11% Roth or Traditional 401k with vest
Spot Bonuses for BD and Growth
+6
Enterprise - Cloud Software Engineer - Python, AWS, Databases
Enterprise - Cloud Software Engineer - Python, AWS, Databases

Erias Ventures, LLC • Maryland

On-site
USD 225,000 - 245,000
Above Market Pay
401k with Immediate Vesting
Spot Bonuses
+6
Enterprise - Software Engineer - Accumulo, Python, AWS
Enterprise - Software Engineer - Accumulo, Python, AWS

Erias Ventures, LLC • Maryland

On-site
USD 225,000 - 250,000
Above Market Pay
Roth 401k with vesting
Spot Bonuses
+9
Enterprise - Software Engineer - Python, C++, DSP 8/11/2026 Annapolis Junction, MD MD - LAV
Enterprise - Software Engineer - Python, C++, DSP 8/11/2026 Annapolis Junction, MD MD - LAV

Erias Ventures, LLC • Annapolis (MD)

On-site
USD 215,000 - 260,000
Above Market Pay
Roth 401k with Immediate Vesting
Spot Bonuses
+11
Enterprise - Senior Application Engineer - JavaScript, Angular, REST
Enterprise - Senior Application Engineer - JavaScript, Angular, REST

Erias Ventures, LLC • Maryland

Hybrid
USD 237,000 - 262,000
Above market pay
401k with immediate vesting
Professional development