Back-End Developer
$86.8k - $198kBooz Allen Hamilton
Back-End Developer As a back‑end developer, you will design, build, and maintain robust systems and applications that deliver clean code, efficient APIs, and scalable infrastructure to support client solutions. You will collaborate closely with cross‑functional teams to identify risks, develop solutions, and ensure high performance and scalability. The Opportunity At Booz Allen, you will use cutting‑edge architectural approaches and open‑source frameworks to build custom tools, systems, and sites with consistent performance. This role enables you to make a mission‑driven impact while growing your technical and professional skill set. Qualifications 3+ years of experience implementing, maintaining, and supporting software development projects. 3+ years of experience using programming languages and development stacks for back‑end work. Proficiency with Java. Experience with Docker containerization. Experience working with unbounded data streams. Experience solving complex problems within a collaborative, cross‑functional team. Active TS/SCI clearance and willingness to take a polygraph exam. Associate’s degree and 5+ years of software engineering experience, or Bachelor’s degree and 3+ years of software engineering experience. Nice to Have Experience with Agile methodology, extreme programming, product management, and software product practices. Experience with Kubernetes clusters. Experience with Kotlin and Python. Experience writing source code for new applications or improving code for existing applications. Experience gathering client requirements and resolving workflow problems through automation optimization. Experience using automated testing tools for testing and maintenance. Master’s degree. Clearance Applicants selected will be subject to a security investigation and must maintain TS/SCI clearance. Compensation and Benefits Salary is determined by location, education, experience, and other factors. The projected annual compensation range is $86,800 to $198,000. Additional benefits include health, life, disability, financial, and retirement plans, paid leave, professional development, tuition assistance, work‑life programs, and dependent care. Full‑time and part‑time employees working at least 20 hours a week are eligible for Booz Allen benefit programs. Commitment to Non‑Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law. #J-18808-Ljbffr Booz Allen Hamilton
$86.8k - $198k
Job Number: R0238936 Back-End Developer As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for an experienced back-end developer...SuggestedFull timePart timeLocal area- ...Back-End Developer - Remote About us Creative Information Technology Inc (CITI) is an esteemed IT enterprise renowned for its exceptional customer service and innovation. We serve both government and commercial sectors, offering a range of solutions such as Healthcare...SuggestedContract workRemote work
- ...Back-End Developer Location: On-site at the National Geospatial-Intelligence Agency (NGA) Clearance Required: Active TS/SCI Employment Type: Full-Time About Aerstone Aerstone is a cybersecurity and software development firm delivering secure, scalable,...SuggestedFull time
- ...Key Responsibilities Design, develop, and maintain scalable full stack web applications using Ruby on Rails and modern frontend technologies Build responsive and high-performance user interfaces using VueJS, ReactJS, TypeScript, BlueprintJS, TailwindCSS, and/or Bootstrap...SuggestedMonday to Friday
- ...to production model artifacts within Unclassified networks. • Develops scalable serving frameworks using Kubernetes services, API gateways... ...skills, with the ability to effectively and professionally interact with a diverse set of stakeholders (from peers to end-users).SuggestedContract work
- ...Senior Backend Engineer here, you won't be maintaining someone else's abstractions. You'll be designing them from scratch, owning them end-to-end, across the full stack: from raw binary formats and block compaction all the way up to the external APIs our customers depend...Contract workWork at office
- A technology solutions company in McLean, Virginia, seeks a skilled backend developer to design and maintain scalable services supporting RESTful and GraphQL APIs. The role involves collaborating closely with frontend developers and supporting production systems. Ideal...Full time
- A leading IT solutions provider headquartered in McLean, VA, is seeking a Senior Software Engineer for a full-time remote position. The ideal candidate will have expertise in backend systems, with strong skills in Django Rest Framework and Python, and knowledge of AWS, ...Remote jobFull time
$155.9k - $214.4k
Databricks, based in McLean, Virginia, is looking for a Software Engineer to join our Public Sector team. This role involves designing, building, and scaling backend services that power our Data Intelligence Platform in cloud environments with a focus on security and reliability...- ...Overview Senior Backend Developer Vienna, VA Are you ready to enhance your skills and build your career in a rapidly evolving... ...working in a home office setting, as well as the ability to train end users on frequently asked technical issues. Ability to provide...Work at officeWork from homeHome office
- Location: McLean, VA Salary Range: Employment Type: Full-Time Job Description This senior role owns the core agent-based architecture of the CLEARSITE™ Distributed RF Intelligence System. The engineer will design and scale decision and execution agents, event bus infrastructure...Full timeWork visa
- ...in office in Tysons Corner, VA. Responsibilities: Design, develop, and maintain scalable backend services and APIs for K-12 learning... ...frontend developers, QA engineers, and product teams to deliver end-to-end solutions Contribute to system architecture decisions...Work at officeLocal area
- ...APIs with strict latency SLOs (sub-20ms update paths) Implement persistent storage using MySQL and long-term archival in ClickHouse Develop composite fingerprint matching algorithms with policy-weighted similarity scoring Lead legacy system migration efforts, including...Work visa
$85k - $170k
...Contributions Responsibilities include: Decompose legacy Java and .NET monolithic services into modular Python microservices Design, develop, and deploy concise Python REST APIs and batch service jobs Deploy and operate services in AWS Lambda and Kubernetes environments...- A leading financial services firm is seeking a Senior Manager, Software Engineering in McLean, Virginia. You will lead diverse technology projects, manage a team, and deliver innovative cloud solutions that empower customers. Required qualifications include a Bachelor’s...
$145k
...Maximus is seeking a Senior Back-End Developer to join our team! The Senior Back-End Developer provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition...Contract workRemote work- ...requirements. - Typical duties include analysis, planning, developing requirements documents, building functional models, developing... ...expertise in specialty areas. - Shall perform engineering tasks for back-end design and development efforts including, but not limited to,...Minimum wageContract workTemporary workWork experience placement
- TryApplyNow is seeking a Python Developer to work in McLean, Virginia. This hybrid role requires strong experience in building cloud-native applications using FastAPI and AWS. Candidates must have a solid background in backend development and containerization, and must...
- A technology company in McLean, Virginia is seeking a highly skilled Java with Golang Developer to build, enhance, and optimize scalable backend services and distributed applications. The ideal candidate should possess strong experience in Java and Golang, along with in...
- ...A services organization is seeking a Backend Developer in Maryland to design, build, and scale core data integration pipelines and serverless backend services with their team in Bethesda. The role focuses on developing high-throughput REST APIs, orchestrating automated...Monday to FridayShift workDay shift3 days per week
$85k - $170k
Steampunk, located in McLean, Virginia, seeks a skilled Backend Software Engineer to modernize enterprise systems by transforming legacy applications into cloud-native solutions. The role emphasizes Python development, requiring a strong background in REST APIs and Agile...- ...awardee and Washington Top Workplaces honoree, is seeking a Backend Developer to join our team. The ideal candidate will design and build... ...developers, architects, and DevOps engineers to deliver end-to-end solutions. Conduct unit testing, integration testing,...Full timeContract work
- ...in McLean, VA is seeking a Software Engineer for a full-time remote position. Responsibilities include designing backend systems, developing APIs with Django and Python, and managing databases. Candidates should have 5+ years of full stack experience, knowledge of cloud...Remote jobFull time
- ...and/or core platform features Ensuring your solutions are scalable to millions of users Work with frontend team to deliver products to end users Who you are Impressive side project or 3+ years of engineering experience You make practical decisions and trade-offs You...
- ...Duties May Include: Build backend services that power geospatial processing, automation, and user-facing capabilities Develop APIs, proxies, and integration services using Node.js and Python Create and maintain backend tooling that extends ArcGIS Enterprise in...Contract workTemporary work
- ...What You'll Do Backend Development & System Design Develop robust, scalable backend services and APIs powering our logistics... ...stability and reliability. Collaborate closely with front-end, AI/ML, and product teams to integrate services seamlessly....Local area
- ...critical decision intelligence and automation on a single platform. Accrete seeks a self-motivated and results-oriented team player to develop, troubleshoot, and improve our artificial intelligence products. This position will work on client-facing products hosted on and...Immediate start
- ...queries for speed and clarity. Implement event-driven systems (e.g., with NATS) to process real-time operational data streams. Develop and maintain automated tests to protect correctness, security, and performance as the system evolves. Build and operate...Full timeWork at officeFlexible hours
- (Hiring) BackEnd Developer We are seeking a BackEnd Developer to become an integral part of our team!You will be responsible for creatingand modifyingcomputer applicationsoftware or specialized utility programs. Responsibilities: Analyze user needs and develop software...
$68.08k - $141.83k
...hierarchy workflows. The position requires deep technical expertise in developing RESTful APIs, microservices, and data pipelines that interface... ..., and frontend engineers to define API contracts and support end-to-end system integration Support the migration of legacy...Contract workTemporary workWork at officeRemote workFlexible hours
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