Senior Backend Engineer - Alexandria, VA

NIS is an IT and Management consulting company seeking a Backend Engineer for a potential opportunity. · Design and develop Spring Boot microservices that expose RESTful APIs to frontend consumers. · Decouple and break down monolithic designs into domain-driven services. · Implem ...

· Backend Engineer · Hybrid schedule: Alexandria, VA · Active Secret Clearance  · Nationwide IT Services, NIS, is seeking an Engineer-Backend for a potential opportunity.  In this position, the Backend Engineer will:Design and develop Spring Boot microservices (Java 21+) that ex ...

· Backend Engineer - Junior · Hybrid schedule: On-site Tuesday, Wednesday, and Thursday · Active Secret Clearance  · Nationwide IT Services, NIS, is seeking a junior Backend Engineer for a potential opportunity.  In this position, the Engineer will:Design and develop Spring Boot ...

We're looking for a Senior Backend Engineer with deep Django and API experience to help build and scale the backend powering our mobile app, web platform, internal tools, payments, automation systems, and integrations. · ...

+This is a backend engineer position responsible for designing and implementing scalable system architecture, data modeling, API and microservices development for a security case management platform.++Architect and implement backend systems. · +Design and develop high-performance ...

You'll build the backend systems that power Twenty's cyber and electromagnetic capabilities—software that ingests real-time operational signals, models complex relationships, · Design and implement scalable backend services in Go that improve operator decision-making and response ...

We're a small, fast-moving team with deep aerospace and software roots, energized by big challenges and motivated by the impact we have on real missions in this next chapter of the Space Age. · ...

+You'll build the backend systems that power Twenty's cyber and electromagnetic capabilities—software that ingests real-time operational signals, models complex relationships, and serves high-throughput APIs at machine speed. · Design and implement scalable backend services in Go ...

About the Company · At Twenty, we're taking on one of the most critical challenges of our time: defending democracies in the digital age. We develop revolutionary technologies that operate at the intersection of the cyber and electromagnetic domains, where the speed of operations ...

Build a Safer World. · TRM Labs provides blockchain analytics and AI solutions to help law enforcement and national security agencies, financial institutions, and cryptocurrency businesses detect, investigate, and disrupt crypto-related fraud and financial crime. TRM's blockchain ...

We're working with a stealthy fast-moving legal AI startup that's making major strides in modernizing enterprise law firms' deal processes through powerful backend infrastructure and cutting-edge AI integration. · We're hiring Senior Backend Engineers to expand their core product ...

We're looking for a Senior Backend Engineer with deep Django and API experience to help build and scale the backend powering our mobile app, · web platform,internal tools,payments,automation systems,and integrations.You'll operate as the senior backend IC leading implementation · ...

+ Design and implement backend services in a modern ecosystem. · + Build and evolve event-driven pipelines, task orchestration, and asynchronous workflows. · + Own relational data modeling and migrations using PostgreSQL and ORM-based schema management. · + Develop robust APIs ...

About Constellis & LEXSO · Constellis delivers integrated risk management and security solutions that protect people, infrastructure, and operations worldwide. · LEXSO (Layered Extended Security Operations) is Constellis' advanced, sensor-agnostic integration platform designed to ...

You will serve as the principal technical authority for Twenty's backend systems—setting the technical vision, architecture, and standards for mission-critical products used in U.S national security. · You'll lead major architectural initiatives across teams, building real-time s ...

We're building a platform where creators can express themselves freely and grow their communities, · where viewers discover and interact with creators they're drawn to, · and where the team behind it is challenged,trusted,and responsible for shaping the experience of millions of ...

We're on a mission to hire the very best and are committed to creating exceptional employee experiences where everyone is respected and has access to equal opportunity. · We're looking for a senior backend engineer who can turn ideas into beautifully written code that other peopl ...

This Senior Backend Engineer role is for a stealthy, fast-moving legal AI startup that's making major strides in modernizing enterprise law firms' deal processes through powerful backend infrastructure and cutting-edge AI integration. · ...

This Senior Backend Engineer will have the opportunity to make a meaningful impact by helping advance the goals of USGBC technology team. · ...

A mission-driven data analytics startup based in Washington DC. · 5+ years of experience in software development · Proficiency with Python Apache Airflow and GraphQL · ...