Software Engineer

• Responsible for designing, developing, validating, and deploying data‑migration components
• Build repeatable, automated, and high‑quality ETL/ELT processes
• Perform detailed mapping and ensure migrated data is accurate, complete, and compliant
• Key role in cutover readiness, mock‑conversion cycles, and production‑migration activities

Data Conversion Developer

Full-stack Engineer

• In this role, you will design, build, and maintain the secure, mission‑critical applications that federal law‑enforcement teams depend on every day.
• You’ll apply systematic and disciplined software‑engineering practices to create reliable, audit‑compliant systems that support case management, investigative analytics, digital‑evidence processing, and other core operational workflows.
• As part of your development team, you will guide junior engineers and collaborate with forensic experts, tool developers, and crypto SMEs to build secure, dependable systems that empower the entire mission’s investigative efforts.
• Your development efforts will shape architecture, define requirements, and guide implementation across complex enterprise systems.
• Your work will ensure that mission applications meet strict federal security standards, support privileged‑access controls, and operate dependably in high‑stakes environments where performance and accuracy matter.
• As a Senior Developer II, you will operate as a technical leader, mentoring junior engineers, resolving sophisticated issues, improving system performance, and upholding rigorous engineering and documentation standards.
• You’ll work closely with investigators, analysts, and cyber specialists to translate mission needs into robust software solutions, while supporting modern cloud deployments and DevSecOps pipelines aligned with government requirements.

Senior Software Developer

• In this role, you will design and build the specialized forensic software that powers federal cybercrime and digital‑evidence investigations.
• You’ll merge your deep understanding of digital‑forensics tradecraft with advanced software‑engineering skill to create tools that investigators rely on to uncover critical artifacts, reconstruct events, and validate evidence.
• Work at the core of a technical engineering team, collaborating with forensic SMEs, crypto engineers, and software developers to design and deliver capabilities.
• Architect and implement forensic capabilities that operate at the lowest levels of an operating system including parsing file systems, analyzing volatile memory, dissecting binary data, and automating complex investigative workflows.
• Ensure all tools meet evidentiary standards and validation requirements.
• Integrate forensic tooling into enterprise systems and investigative platforms.
• Support investigators and forensic analysts with custom capability development.

Senior Forensic Developer

• Conduct blockchain analysis and cryptocurrency tracing across Bitcoin, EVM chains, privacy coins, DeFi platforms, and cross‑chain ecosystems.
• Develop algorithms, methods, and analytic workflows supporting seizure warrants, forensic audits, and financial‑crime investigations.
• Analyze smart contracts, Solidity bytecode, token behavior, mixing/tumbling activity, anonymity‑enhancing technologies, and illicit‑finance patterns.
• Conduct financial‑cyber investigations using complex business records, transaction flows, and digital‑asset movement patterns.
• Perform cyber target development, including identification and analysis of cyber‑enabled criminal networks, ransomware actors, intrusion sets, and threat‑finance structures.
• Evaluate emerging payment technologies and assess their risk for criminal exploitation or terrorist financing.
• Conduct research and analysis on cybercrime methods, money‑laundering typologies, obfuscation techniques, and cyber‑enabled financial threats.
• Provide analytical and evaluative services to analyze cyber evidence, tools, services, and investigative technologies.
• Conduct cyber‑forensic acquisition, chain‑of‑custody procedures, and digital‑evidence analysis for computers, mobile devices, and storage media.
• Apply investigation techniques to gather, preserve, and present digital evidence suitable for courtroom use.
• Assist with open‑source research, deep‑web/dark‑web analysis, social‑media analysis, electronic evidence review, and intelligence‑driven investigative support.
• Produce detailed investigative reports, analytic products, visualizations, and finished professional intelligence.
• Collaborate with cyber, forensic, financial‑crime, threat‑finance, and intelligence teams to support major federal investigations.
• Research emerging blockchain technologies, privacy solutions, exploit techniques, and evolving crypto‑criminal methodologies.
• Develop, deliver, and lead formal training events for government and cross‑agency partners.

Senior Cryptocurrency Engineer

Backend Engineer

• Develop core product features in ETL (Extract, Transform, Load) and GraphQL to support data processing and retrieval.
• Design and implement backend APIs in GraphQL to facilitate data interactions between different components of the product.
• Build and maintain ETL pipelines for efficient data processing and analytics.
• Collaborate with frontend team members to present data in a clear and user-friendly format, enhancing the product's user experience.

Federal Back-End Engineer

• Define and own the multi-year technical vision for ServiceTitan's iOS platform—establishing architecture principles, engineering standards, and platform frameworks that are adopted company-wide and set the standard for mobile development at scale.
• Lead the design of next-generation mobile frameworks and foundational systems that serve tens of thousands of field technicians daily, with an uncompromising focus on platform longevity, extensibility, and resilience.
• Partner at the executive and VP level across product, design, data, and backend to shape long-range roadmaps and ensure iOS capabilities are a strategic driver of business outcomes.
• Serve as the definitive technical authority for iOS across the entire organization—establishing alignment across multiple engineering orgs, resolving the most complex cross-functional ambiguities, and owning the highest-stakes architectural decisions.
• Identify and drive strategic technical investments: evaluate emerging Apple frameworks, platform capabilities, and industry trends to ensure ServiceTitan maintains a durable competitive advantage on mobile.
• Architect elegant, scalable integrations with backend services via GraphQL, establishing patterns for data access and API design that scale with the platform.
• Champion and evolve ServiceTitan's use of The Composable Architecture (TCA)—driving shared state management, performance optimization, and modular design patterns across the iOS engineering community.
• Define the AI-assisted development strategy for iOS engineering—establishing how tools like Claude, GitHub Copilot, Cursor, and Windsurf are integrated into engineering workflows to compound developer productivity at scale.
• Grow and inspire the next generation of staff and senior engineers—serving as a technical role model, thought partner, and mentor across the iOS org and beyond.
• Set and hold the engineering bar: code quality, performance standards, testing philosophy, and architectural integrity. Your influence shapes what 'great' looks like for all of iOS engineering.

Senior Staff Software Engineer, Mobile

• Manage and mentor a team of software engineers through effective weekly one-on-ones, deliberate delegation, and growth feedback
• Own your team's delivery, breaking down work, coordinating across teams, and shipping against ambitious but achievable timelines
• Hold the team to a high quality bar of production code, conducting thorough code reviews and making merge and deployment decisions
• Drive design and architecture for Fundrise services and contribute to a long-term team roadmap
• Partner with Product, Design, and other Engineering stakeholders across the organization to quickly implement complex functionality
• Champion application security as a critical part of the work in a regulated financial services environment
• Own production monitoring and triage across our services and third-party integrations

Lead Software Engineer

Frontend Engineer

• Lead the rebuild of a federal agency's internal web application
• Replace an aging content-management front end with a modern React application
• Own the architecture from components to the interface tier that feeds them
• Migrate content and data flows from legacy system to the new React environment
• Collaborate with the team to build and set standards for how others build
• Ensure compliance with accessibility (Section 508) and security standards in a regulated environment

Senior React Developer

• Help rebuild a federal agency's internal web application
• Build React components and services
• Contribute to Node.js middleware and API tier
• Collaborate with a team and contribute to projects

React Developer

• Help modernize how a federal regulator validates financial data in XBRL
• Develop Arelle plugins and extensions to enforce validation rules
• Build validation pipelines across the full XBRL stack

Senior XBRL, Arelle Engineer

• Help automate how a federal agency handles a high-volume stream of filer applications
• Turn a manual, document-heavy process into an intelligent pipeline using OCR and AI
• Build document-intelligence services that pull structure and meaning out of filings
• Develop validation and review, exact and fuzzy matching, business rules, and human-review workflows

Software Developer

• Build the backend that powers how a federal agency processes its filer applications
• Develop backend services and REST APIs in Python and FastAPI
• Use AWS services (Lambda, Step Functions, API Gateway, S3) and PostgreSQL
• Help spin up new capabilities, tools, and lines of business

• Serve as the senior technical point of contact for partners integrating with NinjaTrader APIs, providing expert guidance on authentication, endpoints, data models, and architectural best practices
• Partner directly with external engineering teams to debug complex integration issues, conduct code reviews of their implementations, and accelerate time-to-production
• Collaborate closely with Technical Account Managers to deliver a seamless partner experience, translating business requirements into technical solutions and providing real-time support during critical integration milestones
• Diagnose and resolve complex API issues spanning WebSocket connections, REST endpoints, and real-time data feeds, often under time pressure with high-value partners
• Own the quality standard for API support, establishing best practices for troubleshooting, documentation, and partner communication that the broader team can follow
• Build and enhance internal tools, scripts, and diagnostic utilities that improve support efficiency and enable faster issue resolution
• Drive continuous platform improvement by synthesizing partner feedback into actionable recommendations for Product and Engineering, influencing the API roadmap
• Mentor junior team members on technical troubleshooting, partner communication, and maintaining composure in high-stakes situations
• Develop deep expertise in NinjaTrader's evaluation platform, trading systems, and API architecture to provide authoritative technical leadership

Senior Software Engineer I, Evaluation Services

• Design and configure Connected Systems and Integration Objects to consume PeopleSoft web services (REST/SOAP)
• Architect complex Custom Data Types (CDTs) and Record Types
• Develop end-to-end process models that trigger actions in PeopleSoft
• Create Appian Web APIs for real-time data updates or event notifications
• Build intuitive SAIL forms and dashboards
• Implement secure handshakes between systems using OAuth 2.0, SAML, or certificate-based authentication

Senior Appian Developer

• Design, develop, test, and deploy new features and enhancements across ReactJS front-end and Python/FastAPI back-end layers.
• Build and maintain RESTful APIs with proper validation, error handling, versioning, and OpenAPI/Swagger documentation.
• Develop responsive, accessible front-end interfaces adhering to CBO UX standards and Section 508 accessibility requirements.
• Implement and manage data models, queries, migrations, and stored procedures in PostgreSQL with attention to performance and integrity.
• Operate within CBO's trunk-based development workflow, committing small, frequent, tested changes with short-lived branches and feature flags.
• Participate in code reviews, sprint planning, and retrospectives, collaborating with CBO engineers, product owners, and analysts.
• Package applications with Docker and support deployment of containerized workloads to AWS (ECS, EKS, or equivalent).
• Investigate and resolve defects, performance issues, and security vulnerabilities across the stack; proactively reduce technical debt.
• Write and maintain automated unit, integration, and regression tests (pytest, Jest, React Testing Library, or equivalent).
• Maintain accurate technical documentation including API docs, data-model diagrams, and architecture decision records.

Full Stack Developer

• Support an application tech stack modernization effort for a federal financial record-keeping system.
• Responsible for converting legacy JSP code to React.
• Create high-quality, accessible, and performant user interfaces that support mission-critical initiatives.
• Collaborate closely with product owners, designers, and backend engineers.

Senior React UI Developer

• Serve as a trusted advisor to the client
• Identify and lead internal critical initiatives to grow the consulting practice; serving as an active contributor to the community’s overall knowledge base and expertise
• Guide customers and colleagues in rationalizing and deploying emerging technologies that drive increased business value
• Work collaboratively, having very strong communications skills, especially in teaching complex concepts and creative, prescriptive thinking
• Identify and proactively manage risk areas and commit to seeing an issue through to complete resolution
• Manage customer expectations; negotiate solutions to complex problems with both the customer and third-party partners
• Review and correct project/program direction, approach, and key artifacts to keep programs on track, while ensuring solutions are extendable and maintainable going forward
• Work closely with Delivery Managers, Solution Architects, and directly with clients to architect technology solutions to meet client needs
• Contribute to a program vision while advising and articulating program/project strategies on enabling technologies including the Salesforce Platform

Senior Technical Architect – PubSec

• Shepherd projects from conception to deployment and beyond.
• Develop Enterprise class Websites and Information Systems.
• Work within constraints of existing networks, systems, and policy by building creative solutions.
• Work with Data Scientists and Data Engineers to integrate new features into existing software.
• Ability and willingness to learn and field test technologies for use on the project (e.g., Leaflet.js, Vue.js, d3.js, Map-Reduce/Document Store/Graph/RDF Triplestore, etc.)

• Develop and implement responsive web pages and applications for both legacy and modernized systems.
• Collaborate with product management, designers, and engineering teams to define and implement innovative UI/UX solutions.
• Execute all visual design stages, from concept to final hand-off with engineering.
• Conceptualize original ideas that simplify complex workflows and enhance user experience.
• Create wireframes, storyboards, user flows, process flows, and site maps to effectively communicate design concepts.
• Present designs and milestone deliverables to stakeholders for feedback and approval.
• Conduct user research and integrate feedback into iterative design improvements.
• Establish and promote design guidelines, best practices, and UI/UX standards.
• Analyze user needs and develop or customize software solutions to optimize operational efficiency.
• Collaborate on database design within an application area as needed, working independently or as part of a development team.
• Help support the development and use of Restful APIs.

Senior UI/UX Frontend Software Developer - TS/SCI

• Develop, enhance, test, and maintain enterprise web applications.
• Build responsive user interfaces using React, HTML5, CSS3, and JavaScript/TypeScript.
• Develop backend services using Python and C#/.NET.
• Design and implement RESTful APIs and system integrations.
• Participate in modernization of legacy applications.
• Support application deployment within Microsoft Azure.
• Participate in CI/CD pipeline execution and release activities.
• Troubleshoot software defects and production issues.
• Develop software in accordance with secure coding standards.

Software Engineer jobs in District of Columbia

See all jobs on JobTailor

Data Conversion Developer

Senior Software Developer

Senior Forensic Developer

Senior Cryptocurrency Engineer

Federal Back-End Engineer

Senior Staff Software Engineer, Mobile

Lead Software Engineer

Senior React Developer

React Developer

Senior XBRL, Arelle Engineer

Software Developer

Software Engineer

Senior Software Engineer I, Evaluation Services

Senior Appian Developer

Full Stack Developer

Senior React UI Developer

Senior Technical Architect – PubSec

Full Stack Developer

Senior UI/UX Frontend Software Developer - TS/SCI

Full-Stack Developer