Top Tech Jobs & Startup Jobs in Washington DC,

Own and operate Nebius' global employee relocation program end-to-end: manage individual relocations, vendor coordination, policy development, compliance with immigration/tax/employment rules, budgeting, KPI reporting, vendor SLAs, and continuous improvement to deliver a scalable, employee-centric mobility experience.

Lead end-to-end connectivity lifecycle for data center and PoP builds across North America. Manage technical fiber pathway design, vendor/ISP negotiations, DWDM/optical deployments, geospatial documentation, AutoCAD plans, and cross-functional delivery with procurement and construction teams.

Supervise and coordinate an electrical design team developing parametric CAD models and assemblies for HVAC equipment. Review schematics, integrate electrical systems with other disciplines, support prototypes and production launches, mentor designers, and ensure compliance with safety standards. Support engineering analyses including DFMEA/PFMEA, CFD, FEA, and seismic evaluations.

Design and model electrical systems and assemblies for HVAC equipment, create and review schematics, automate BOM and schematic generation, collaborate with engineering and production, support prototypes and production launches, apply DFMEA/PFMEA/CFD/FEA analyses, ensure compliance with UL/CE/NEC/IBC/NFPA, and mentor less-experienced team members.

Design, build, and maintain backend services and APIs using Ruby on Rails. Improve performance, scalability, reliability, and write well-tested production code. Collaborate with Product, Frontend, Data Engineering, and QA teams.

Own the cryptographic core: select and evolve MPC/TSS schemes, author protocol reviews, implement and review Rust/Go production crypto, lead audit responses, prepare incident fixes, publish and represent externally, and teach/mentor engineers while scaling the crypto function.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

Design, develop, and enhance custom SAP Fiori/UI5 applications; configure Fiori Launchpad; integrate OData services; perform UI debugging, performance optimization, code reviews, unit testing, and documentation while collaborating with backend and functional teams.

Build and maintain large-scale data processing pipelines using Apache Spark (PySpark/Scala) and Python. Design ETL workflows, implement distributed data processing, use version control (Git), and work with cloud platforms (GCP/AWS/Azure).

Lead and grow a DevOps team responsible for AWS/Azure infrastructure, CI/CD, reliability, observability, incident response, and FinOps. Set technical direction for IaC, pipelines, and service management while partnering with Product, Engineering, and Security and participating in on-call rotation.

Responsible for maintaining and growing existing mid-market accounts, identifying upsell and new-product opportunities, prospecting and closing deals, managing pipeline and forecasts in Salesforce, coordinating resources across the sales cycle, and presenting to senior clients to meet monthly, quarterly, and annual revenue targets.

Support the global Tax team by preparing and filing income, VAT, sales/use, and property tax returns; perform monthly GL reconciliations and JEs; assist audits and respond to tax notices; maintain compliance calendar; contribute to controls and tax-reduction initiatives.

Volunteer UI/UX Designer to lead product design for web and mobile: research, ideation, detailed design, testing, implementation, and mentoring. Create digital marketing assets, shape brand, drive roadmap, attend weekly standups, and commit at least 4 hours/week. Unpaid until funding; first assignment supports a fundraising campaign.

Volunteer TikTok Content Developer to create engaging short-form videos, appear on camera, collaborate with the brand designer, launch a fundraising campaign, attend weekly standups, and commit at least 4 hours weekly.

Build and maintain web crawling and scraping pipelines to collect, transform, and deliver third-party healthcare data. Research sources, assess feasibility, implement extraction strategies, test for quality, and maintain scrapers when sources change. Participate in weekly standups and initial fundraising activity.

Design, build, and optimize scalable backend services, APIs, and data pipelines. Integrate with third-party billing/commerce systems, maintain serverless/event-driven architectures on AWS, ensure security and performance, implement automated tests and CI/CD, mentor engineers, and drive architectural decisions.

Outbound-focused Sales Development Representative responsible for generating pipeline through multi-channel prospecting (phone, email, LinkedIn, short-form video), scheduling high-quality meetings, researching accounts, maintaining CRM data, collaborating with AEs/Marketing/Product, iterating messaging, and hitting monthly KPIs.

Manage execution of high-volume international shipments across sea, air, and road. Oversee shipping documentation, coordinate freight forwarders and customs, monitor shipments, resolve disruptions, optimize logistics workflows and costs, ensure regulatory compliance, maintain reporting, and align inventory and shipping with sales and production.

Remote 3-month marketing internship (18–25 hrs/week) supporting digital marketing activities: social media management and engagement, CRM updates, email campaigns, SEO improvement, analytics monitoring, market research, promotional activities, and aligning marketing strategies with sales goals while maintaining the company’s online reputation.

Build full‑stack web features from zero to one, integrate with third‑party APIs, design and manage state machines for financial workflows, own features through launch and post‑launch customer iteration, and maintain high code quality and accountability.