Top Software Engineer Jobs in Washington DC,

Lead hands-on implementation of Celonis solutions for enterprise (federal) customers. Direct AI deployment agents to build data models, analyses, KPIs and operational solutions; validate AI outputs; run discovery and value workshops; ensure data connectivity; drive rollout, adoption, and handover; and develop domain-specific solution patterns to quantify business impact and sustainably scale process improvements.

The role involves designing and optimizing backend systems for data migration and integration tools. Collaborates with teams to enhance performance and scalability.

The Salesforce Engineer III will design, build, and support scalable Salesforce solutions, ensuring compliance with FedRAMP and other regulations, and participate in cross-functional collaboration for technical delivery and engineering best practices.

Lead and mentor a global team of Partner Solution Architects to build strategic relationships with hyperscaler partners. Drive partner alignment, technical enablement, co‑develop go‑to‑market initiatives, and cross‑functional collaboration to expand ecosystem revenue. Foster inclusive team culture, represent MongoDB externally, and solve partner business and technical challenges to ensure joint success.

As a Federal Solutions Engineer, you will support prospective customers in evaluating Sonar's solutions, providing technical expertise, conducting presentations, and ensuring successful product adoption within federal software systems.

Support development, deployment, and sustainment of PLM engineering solutions: configuration management, process development, requirements traceability, testing, data migration into Windchill, training, and collaboration with SMEs and IPTs to implement model-based PLM capabilities for a U.S. Navy weapon system.

The Principal Architect & Technical Team Lead will guide a team in AI product development, oversee high-impact architectural decisions, and manage executive stakeholder engagement.

Design and build a novel, highly scalable data infrastructure to aggregate and stage simulation outputs and user inputs for LLM consumption. Architect massive batch pipelines, complex relational data models, and low-latency distributed processing. Lead technical direction, solve ambiguous first-principles problems, and optimize data for downstream AI decision systems supporting government customers.

As a Software Engineer for the ARC team, you'll design and implement secure backend systems, manage model inference layers, improve engineering standards, and collaborate with teams to meet government agency needs.

Lead technical and strategic direction for tax innovation platforms. Oversee large-scale projects, drive modernization and AI-enabled capabilities, ensure operational excellence, mentor engineering leaders, collaborate with senior stakeholders, and deliver innovative, scalable enterprise/SaaS solutions to solve complex client challenges.

Work on customer-facing, high-impact projects as an intern FDSE: design and implement data-driven solutions, wrangle large-scale data, build web apps, discuss architecture, and own end-to-end execution while collaborating with technical and non-technical stakeholders. May require travel and US government background checks.

As a Senior Software Engineer, you will design best practices for AI Agents, develop standards, collaborate on product opportunities, and stay updated on emerging Agent techniques.

Seeking a Staff Storage Engineer to design and build control plane for an AI storage platform, focusing on scalability and performance across diverse environments.

Lead a full-stack Reconciliation team owning transaction-matching pipelines across mobile and backend systems. Drive reliability, observability, and accuracy for post-claim flows, coach and grow engineers, contribute hands-on in high-leverage technical areas, partner cross-functionally, and scale systems and processes to improve transaction success and user trust.