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US

  • Lead architecture and implementation of resilient backend applications and data pipelines using Java or Python.
  • Serve as SME on software architecture, mentor team members, and drive technical design sessions.
  • Partner with stakeholders to translate operational needs into clear technical roadmaps and solutions.

Java Python Spring Boot Docker Kubernetes

20 jobs similar to Senior / SME Software Developer – Java / Python

Jobs ranked by similarity.

$105,660–$163,530/yr
US

  • Design and lead enterprise application architectures, from concept to production, using cloud-native solutions.
  • Develop full-stack applications with Node.js, Python, Java, and modern frontend frameworks, and perform code reviews.
  • Implement CI/CD pipelines, containerization, DevSecOps practices, and leverage AI tools for software development.

Empower AI is a government AI solutions provider that helps federal agencies enhance workforce productivity and achieve transformation. The company is recognized as a 2024 Military Friendly Employer and supports active-duty and veteran employees.

US

  • Lead design, development, and modernization of enterprise federal software systems.
  • Architect scalable backend applications using Java, Spring Boot, GraphQL, and REST APIs.
  • Mentor engineers and drive DevSecOps best practices across the full software lifecycle.

Attain Talent is a staffing and recruiting firm specializing in connecting professionals with mission-driven federal technology roles. They are an Equal Opportunity employer committed to fair compensation and a comprehensive benefits package.

US Unlimited PTO

  • Lead design, development, and modernization of enterprise software systems supporting federal mission needs.
  • Drive engineering efforts across the full software development lifecycle, from architecture through deployment.
  • Mentor junior and mid-level engineers while establishing engineering standards and best practices.

Capital Technology Group provides expert consulting services in software development, digital transformation, human-centered design, data analytics and visualization, and cybersecurity. Recognized by The Washington Post as a Top Workplace in 2025 and 2026, CTG fosters a culture rooted in core values where employees feel trusted, empowered, and encouraged to grow.

Canada

  • Design, develop, test, and maintain software that powers product provisioning, licensing, and purchasing capabilities.
  • Build scalable, reliable, and maintainable backend services using modern engineering practices.
  • Collaborate closely with engineers, product managers, and cross-functional teams to deliver impactful features.

Sonatype provides end-to-end software supply chain security, combining proactive protection against malicious open source, enterprise SBOM management, and leading dependency management. Trusted by over 2,000 organizations including 70% of the Fortune 100 and 15 million developers, the company values diversity, inclusivity, and flexible work.

US

  • Develop and design software by writing original code and updating existing code to meet program requirements.
  • Integrate software components, verify and deploy programs, and troubleshoot and debug for smooth functionality.
  • Work directly with US Army mission partners to gather user feedback and prepare epics and features for the Warfighter.

LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Headquartered in Tysons, Virginia, LMI serves the defense, space, healthcare, and energy sectors, helping agencies navigate complexity and outpace change.

Canada Unlimited PTO

  • Design, build, test, and support enterprise software, APIs, automation workflows, and developer-facing platform capabilities.
  • Collaborate closely with team members, product partners, and stakeholders across the company to deliver secure, high-performance solutions.
  • Contribute to technical design, architecture discussions, and mentor team members through code reviews and knowledge sharing.

Kinaxis is a global leader in modern supply chain orchestration, powering complex global supply chains with an AI-infused platform. With over 2,000 employees worldwide and multiple Top Employer awards, the company fosters an innovative, inclusive culture focused on customer success and social responsibility.

$165,000–$200,000/yr
US

  • Design, develop, test, and maintain full-stack application capabilities with an emphasis on secure, scalable, maintainable, and production-ready software.
  • Develop backend services, APIs, integrations, automation, and supporting tools across cloud-based and on-premise cybersecurity and compliance applications.
  • Implement role-based access control, data models, and risk-analytics logic to support diverse user types and complex data ingestion.

Quantum Sky engineers advantage across cyber, networks, software, and quantum for mission-driven environments. They foster a collaborative, innovative, and mission-driven team where every member plays a critical role in shaping the future of technology.

$101,167–$204,439/yr
US

  • Provide technical leadership and direction for multiple agile teams to implement software product roadmaps.
  • Design, develop, and maintain complex distributed software systems with high-quality code and test coverage.
  • Mentor junior engineers and collaborate with product managers to estimate effort and prioritize work.

Mercury Insurance is a company that helps people reduce risk and overcome unexpected events through insurance products. They are a midsize employer with a culture that values diverse perspectives and professional growth.

Canada

  • Design, develop, test, and maintain software powering product provisioning, licensing, and purchasing capabilities.
  • Build scalable, reliable backend services using modern engineering practices.
  • Mentor and coach other engineers through technical guidance and code reviews.

Sonatype is the software supply chain security company, providing end-to-end security solutions for software development. With over 2,000 organizations including 70% of the Fortune 100, Sonatype values diversity, inclusivity, and offers flexible working practices.

US 3w PTO

  • Serve as a Senior Software Development SME, providing technical guidance and leading full-stack web application development using Java, J2EE, Spring Boot, JavaScript frameworks, and related technologies.
  • Support the transition to Single Page Applications (SPA) and contribute to DevOps, CI/CD pipelines, and continuous process improvement.
  • Analyze requirements, develop technical solutions, conduct unit testing, and produce technical documentation for mission-critical web applications.

Our partner company specializes in federal software development and modernization initiatives. They offer a remote work environment with competitive benefits and support for professional growth.

$80,000–$100,000/yr
US

  • Design, develop, test, and implement software solutions aligned with client requirements.
  • Optimize existing systems for performance, scalability, and maintainability.
  • Collaborate with cross-functional teams and participate in Agile methodologies.

Agile Defense provides adaptive innovation to support national security missions through advanced technologies. The company values employees as family and fosters a culture of the 6Hs: Happy, Helpful, Honest, Humble, Hungry, and Hustle.

$80,000–$135,000/yr
US

  • Design end-to-end technical solutions across applications, integrations, cloud infrastructure, and enterprise platforms.
  • Translate business, product, and mission requirements into scalable architecture strategies.
  • Lead architecture discussions, technical design reviews, and solution decision-making to drive delivery.

Attain Talent is a professional services firm focused on technology and consulting, supporting federal modernization initiatives. The company emphasizes a collaborative, mission-driven culture with a focus on employee well-being and development.

$122,500–$192,500/yr
US

  • Design and implement high-performance, low-latency services across multiple languages (Java, C++, Groovy, Python) for B2B Scores projects.
  • Lead cloud architecture and DevOps strategy using AWS services, containerize with Docker, and manage Kubernetes clusters for scalability.
  • Mentor junior engineers through code reviews and design collaboration, while driving cross-functional collaboration with Analytics, Data, and Product teams.

FICO is a leading global analytics software company that helps businesses in 100+ countries make better decisions using data science and AI. With over 7 decades of industry experience, FICO employs a diverse team and fosters an inclusive culture focused on innovation and collaboration.

US

  • Architect and deliver scalable microservices for cybersecurity range simulations, driving technical standards across systems.
  • Design and implement AI-enabled platform capabilities to support intelligent emulation behaviors and autonomous workflows.
  • Mentor engineers, lead complex initiatives, and establish best practices in system reliability, API design, and security-first engineering.

SimSpace is an AI Proving Ground that provides a realistic, live-fire cyber range for training, testing, and validation. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the company fosters a human-centered culture with continuous learning and professional growth, outperforming industry benchmarks in mobility and rewards.

$100,000–$166,000/yr
US

  • Design, build, and maintain CI/CD pipelines for secure application delivery.
  • Automate infrastructure provisioning and deploy cloud services using AWS and Terraform.
  • Integrate security controls and enforce cybersecurity standards in development and deployment.

LMI is a digital solutions provider dedicated to accelerating government impact with innovation and speed. Headquartered in Tysons, Virginia, LMI serves the defense, space, healthcare, and energy sectors, helping agencies navigate complexity.

Latin America

  • Develop, test, and implement software solutions in Python and Java.
  • Collaborate with cross-functional teams to define, design, and deliver new features and products.
  • Maintain and improve application performance, fix bugs, and participate in code reviews.

CI&T helps large enterprises transform AI potential into real business impact with AI deployment, AI-native execution, and tech-integrated solutions. With 8,000 employees across 25 countries, they have 30 years of experience and partner with over 1,000 clients.

Global

  • Design and implement high-performance, fault-tolerant distributed systems powering our SaaS platform.
  • Architect and optimize cloud-native microservices using Java, Spring Boot, and Kubernetes.
  • Collaborate with product and operations teams to improve platform reliability and developer experience.

Jitterbit is a data, application, and process workflow automation solution provider. It is a growing global company with a remote-friendly, performance-oriented culture.

Brazil

  • Develop, enhance, and maintain software solutions in complex technical environments, applying strong engineering practices and testing standards.
  • Contribute to scalable, resilient, secure architectures and integrate applications, APIs, and distributed systems with modern DevOps and DevSecOps practices.
  • Work with cloud environments (AWS, Azure, GCP) and Infrastructure as Code (Terraform, Docker, Kubernetes) to automate deployment and improve reliability.

US

  • Design and implement Java 21/Spring Boot microservices on Cloud Run for licensing, case management, and payments.
  • Build integrations with external systems over REST, SOAP, SFTP, and webhooks.
  • Author Cloud Workflows orchestrations and meet security compliance requirements.

They operate a state government professional licensing and regulatory compliance platform built on Google Cloud. The company size and culture are not detailed in the posting.

Colombia 1w PTO

  • Serve as a core contributor on the platform, owning key features and architectural improvements end-to-end.
  • Collaborate with a team of deep technical experience and brainstorm ideas to solve complex business-critical challenges.
  • Act as a technical leader across teams, influencing architectural decisions through design reviews and RFCs.

Caseware is a Canadian fintech company providing audit and accounting software for over 30 years, with more than 500,000 users across 130 countries. With over 36,000 professionals listing Caseware as a skill, the company fosters a collaborative, innovative, and remote-friendly culture.