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NEXTMOVEFDE careers · United States

Senior / SME Software Developer – Java / Python

AI summary of the role

Senior/SME software developer to lead architecture and hands-on engineering for a data transformation and system modernization initiative within the Intelligence Community.

What you’ll do

  • Architect and implement scalable backend applications, microservices, and distributed data pipelines using Java (Spring Boot) or Python (FastAPI, Django).
  • Serve as SME on software architecture and engineering standards; mentor team members and lead technical design sessions.
  • Lead design of enterprise RESTful APIs, event-driven architectures, and secure system integrations.
  • Architect and optimize data storage, ingestion, and transformation pipelines using SQL/NoSQL (PostgreSQL, MongoDB, Elasticsearch).

What you’ll bring

  • Active TS/SCI with CI Polygraph.
  • Bachelor's degree in CS/Engineering or related field; 7+ years (Senior) or 10+ years (SME) software engineering experience.
  • Deep production expertise in Java (11/17+, Spring) OR Python (3.x, FastAPI, Flask, async).
  • Proven experience designing scalable microservices architectures and enterprise APIs.

Technologies

Java · Spring Boot · Python · FastAPI · Django · Flask · RESTful APIs · PostgreSQL · MongoDB · Elasticsearch · Docker · Kubernetes

About NT Concepts

Privately held defense and intelligence technology firm delivering data science, AI/ML, computer vision, and digital modernization for DoD and IC mission-critical programs.

Bootstrapped · 200–500 people

Source and classification

Internal deployment & tooling · Evidence for this classification:

We are seeking an accomplished Senior to SME-level Software Engineer with deep expertise in Java or Python to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security. We’re looking for high-caliber technical leaders to join us in supporting this mission. If meaningful work, initiative, technical leadership, and continuous self-improvement are important to your career, join our growing team and discover What's Next for you. Mission Focus: As a senior technical leader on our solutions delivery team, you will have the unique opportunity to shape and drive programs advancing critical government systems. NT Concepts is seeking a Senior / SME Developer to lead and architect solutions for an exciting data transformation and system modernization initiative within the Intelligence
More from the job description

We are seeking an accomplished Senior to SME-level Software Engineer with deep expertise in Java or Python to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security. We’re looking for high-caliber technical leaders to join us in supporting this mission. If meaningful work, initiative, technical leadership, and continuous self-improvement are important to your career, join our growing team and discover What's Next for you. Mission Focus: As a senior technical leader on our solutions delivery team, you will have the unique opportunity to shape and drive programs advancing critical government systems. NT Concepts is seeking a Senior / SME Developer to lead and architect solutions for an exciting data transformation and system modernization initiative within the Intelligence Community (IC). Clearance: Active TS/SCI CI Poly Location/Flexibility: Local to the DC Metro Area, Remote Flexible Responsibilities In this role, you will provide technical leadership, architectural guidance, and hands-on engineering to design and implement mission-critical systems and data pipelines using Java and/or Python. Architecture & Development: Architect, design, and implement resilient, scalable backend applications, microservices, and distributed data processing pipelines using Java (e. [... source excerpt omitted ...] tner closely with government stakeholders, product managers, and systems architects to translate complex operational needs into clear technical roadmaps and actionable solutions. Qualifications Security Clearance: Must possess an active TS/SCI with CI Polygraph. Senior Level: Bachelor’s degree in Computer Science, Engineering, or a related field and 7+ years of professional software engineering experience (or equivalent combination of education and experience). SME Level: Bachelor’s degree in Computer Science, Engineering, or a related field and 10+ years of progressive software engineering and architectural leadership experience. Core Languages: Deep production expertise in Java [... source excerpt omitted ...] WS GovCloud / C2S). Relevant technical certifications (e.g., AWS Certified Solutions Architect, Certified Kubernetes Administrator, or relevant language certifications) Physical Requirements: Prolonged periods sitting at a desk and working on a computer. Must be able to lift to 10-15 pounds at times. The pay range listed for this position reflects the wage or salary range NT Concepts expects to pay for this role at the time of posting. The compensation offered to a successful candidate within this range will be based on legitimate, job-related factors, including (but not limited to) the candidate's work location, education, knowledge, skills, competencies, and experience, as wel

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