• 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.

• 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.

• Define and evolve technical architecture, establishing standards that support safe, scalable, and reusable capabilities across teams. • Act as a technical leader across teams, influencing architectural decisions through design reviews, RFCs, and hands-on collaboration. • Own key features and architectural improvements end-to-end — from design through build — using modern, leading-edge technology and architecture. • Lead proof-of-concepts that inform roadmap and architectural decisions. • Take initiative on complex, business-critical challenges such as third-party extensibility and real-time multi-user synchronization. • Partner with QA, Product, Security, and Domain SMEs to ensure robust observability, reliability, and quality of the systems you own. • Establish and promote engineering standards and best practices to improve consistency, security, and maintainability. • Drive operational excellence by identifying systemic risks and eliminating root causes that impact reliability, performance, or cost. • Partner with DevOps and Security teams to evolve CI/CD pipelines, deployment strategies, and production safeguards. • Mentor senior and junior engineers through code reviews, design discussions, and technical guidance. • Participate in production support as a senior escalation point, leading root cause analysis and driving preventative improvements. • Collaborate with a team of deep technical experience and strong domain knowledge; brainstorm and share ideas within an agile team of developers, testers, and a product owner.

• Conduct cutting-edge research on modern cryptographic protocols, including post-quantum cryptography, threshold signatures, signature aggregation, and proof systems for blockchain applications. • Explore and benchmark NIST post-quantum signature standards and emerging constructions from recent academic literature. • Collaborate with senior researchers and engineers to translate research outcomes into practical applications. • Publish research findings and contribute to open-source cryptographic projects when appropriate.