Arnold & Porter · 19 hours ago
Senior Applications Developer
Washington, DC
Full-time
Hybrid
Senior Level, Lead/Staff
$139K/yr - $174K/yr
10+ years expArnold & Porter is seeking a Senior Applications Developer to join their Information Technology Department. This role involves designing, building, and supporting business-critical applications and integrations to enhance the Firm’s operational and legal functions, focusing on modernizing legacy platforms and enabling AI capabilities.
Consulting
Responsibilities
Own and evolve business applications with a product mindset: requirements gathering, solution design, roadmaps, and backlog management
Design and build modern web applications, APIs, microservices, and event-driven integrations using .NET, TypeScript/React, and Azure
Lead AI enablement using Azure OpenAI or similar services, including RAG, prompt design, evaluation, and guardrails
Integrate Microsoft 365, SharePoint Online, Microsoft Graph, Teams, and Power Platform solutions
Maintain and enhance HR/Recruiting and Finance/Accounting systems and integrations, ensuring data accuracy, security, and auditability
Design and operate data pipelines and governed datasets for reporting and analytics (Power BI)
Implement security, compliance, and identity standards (Entra ID, OAuth/OIDC, Key Vault, DLP, logging, auditing)
Establish reliability and DevOps practices, including CI/CD, infrastructure as code, observability, and incident management
Manage vendors, platforms, documentation, training, and provide high-quality client service and escalated support
Design and administer relational and NoSQL databases, including support for AI vector search workloads
Qualification
Required
Bachelor's degree in Computer Science or related field, or equivalent experience
10+ years of experience delivering secure, scalable enterprise applications
Strong experience with cloud-first architectures, APIs, integrations, databases, and production AI features
Proven ability to work with highly confidential data under strict governance and change controls
Core technologies: C#/.NET, ASP.NET Core, TypeScript, React/Next.js, REST/GraphQL, PowerShell
Microsoft 365, Power Platform, SQL Server/Azure SQL, PostgreSQL, Power BI, Azure Data Factory/Synapse
DevOps, CI/CD, containers, Kubernetes/AKS, infrastructure as code
Strong judgment, problem-solving skills, communication, and a demonstrated commitment to client service and confidentiality
Preferred
professional services or law firm experience
Azure experience preferred (App Service, Functions, API Management, Service Bus, Azure SQL, Key Vault)
AI/ML experience with Azure OpenAI or similar LLM platforms, including RAG and safety controls
Python a plus
AWS familiarity helpful
Benefits
The firm may provide a discretionary bonus annually.
Company
Arnold & Porter
Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.
1001-5000 employees
H1B Sponsorship
Arnold & Porter has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (8)
2024 (2)
2023 (6)
2022 (10)
2021 (4)
2020 (5)
Funding
Current Stage
Late StageLeadership Team
Jeffrey Miller
Partner
Recent News
Mergers & Acquisitions
2025-11-06
Company data provided by crunchbase