Back End Developer
Scorpion Therapeutics
Key Responsibilities Design, develop, and maintain scalable full stack web applications using Ruby on Rails and modern frontend technologies Build responsive, high-performance UIs using VueJS, ReactJS, TypeScript, BlueprintJS, TailwindCSS, and/or Bootstrap Develop and maintain RESTful APIs and GraphQL services for internal applications and third-party integrations Collaborate with business stakeholders to identify operational gaps and build scalable technical solutions Develop reusable frontend components and scalable backend architectures Work with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, DynamoDB) Integrate and maintain Salesforce integrations and data synchronization workflows Integrate third-party services and payment gateways (Stripe, Authorize.net) Build secure authentication, authorization, and role-based access systems Implement automated testing and QA (including Cypress) Optimize for scalability, reliability, performance, and security Work with AWS (EC2, API Gateway, Lambda, RDS, S3) Develop and maintain CI/CD pipelines and Git-based workflows Participate in code reviews, debugging, and continuous improvements Ensure compliance with HIPAA, GDPR, and 21 CFR Part 11 Support data processing workflows and ETL pipelines for clinical/healthcare datasets Qualifications (Required) 4+ years as a Full Stack Developer Proficiency in Ruby and Ruby on Rails Frontend experience with VueJS, ReactJS, TypeScript Experience with BlueprintJS, TailwindCSS, and/or Bootstrap RESTful APIs and GraphQL services PostgreSQL/MySQL; MongoDB/DynamoDB Experience with Cypress; Git and CI/CD workflows Salesforce integration experience; Stripe/Authorize.net Familiarity with AWS deployment practices Strong problem-solving, communication, and analytical skills Preferred Qualifications Experience in pharmaceutical/biotech/healthcare Knowledge of clinical systems, healthcare data processing, or ETL Enterprise SaaS/workflow automation experience Familiarity with Docker, Kubernetes, or serverless architectures Experience designing scalable, secure cloud-native applications Benefits Health insurance, unlimited paid time off, parental leave, and 401k matching (plus other benefits) and incentive compensation Application Instructions For assistance with pay transparency details: contact 202-524-8238 (8:00 AM–5:30 PM ET, Mon–Fri). #J-18808-Ljbffr
- ...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
$100k
...Responsibilities: Provides subject matter proficiency supporting back-end software development activities. Applies analytical skills... ...requirements documents and functional models. Designs and develops back-end architectures supporting system capabilities and...SuggestedContract workRemote work- ...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...Suggested
- (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...Suggested
- (Hiring) BackEnd Developer We are seeking a BackEnd Developer to become an integral part of our team! You will be responsible for creating and modifying computer application software or specialized utility programs. Responsibilities: Analyze...Suggested
$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$140k - $190k
...efficient, and reliable. Key Responsibilities Architect, develop, and maintain scalable distributed systems with a focus on... ...requirements into technical solutions. Work directly with end users to ensure that Method is meeting operational needs and solving...Shift work- ...intelligence and automation on a single platform. Position Description: 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...Work at officeImmediate start
- ...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
- ...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
$130k - $150k
...multi‑lingual workforces. We are proudly backed by Gradient Ventures, Google's AI fund, and... ...execution, and long‑running workflows. Develop and iterate on LLM orchestration logic in... ...frontend, product, and customer teams to ship end‑to‑end features quickly and iteratively....Work at officeVisa sponsorship- ...and 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 microservices...Full timeWork at officeFlexible hours
$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 workRemote workFlexible hours$130k - $190k
...is to provide an ecosystem of fintech and software solutions that help doctors better manage their practices, so they can have time back to focus on what matters to them most. We operate with urgency, intensity, and ambition. The bar is high because the opportunity is...Full timeWork at officeWork from home- ...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
$180k - $240k
...deployment, including whole feature architecture Plan, design, and develop systems with complex performance scale considerations Use,... ...of interviewing at ClearanceJobs by 2x Get notified about new Back End Developer jobs in Washington, DC. Washington, DC $120,000.00-$1...Full timeRemote workWorldwideWeekend work$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 data...Contract workTemporary workRemote workFlexible hours- ...Back End Engineer United States We are hiring a Back End Engineer to support our Engineering Department at Barstool Sports. As a Back End Engineer, you will not only own, but also perform maintenance and feature enhancements across an array of projects. You will...Summer holidayFlexible hours
- Hatch IT is partnering with Holokai to find a Senior Backend Engineer to build core products alongside their senior engineering team. You will work primarily in TypeScript and Go, with some Python, to deliver robust, enterprise-grade software solutions. Ideal candidates...
- ...BluJuniper, Inc. is looking for a Senior Backend Engineer in Washington, D.C. The ideal candidate will design, develop, and maintain backend services for both government and commercial customers, utilizing technologies such as C++, Python, Docker, and Kubernetes. This...
- ...BluJuniper, Inc. is seeking a Senior Backend Engineer in Washington, D.C. to develop secure platform services for computer vision and NLP applications. You will design backend services focusing on data modeling, authentication, and integrations, primarily using Go. Candidates...Flexible hours
- Mapbox is looking for a Software Development Engineer III to join its Maps API team in Washington, DC. You will lead the development of new mapping tools while ensuring high reliability and performance of services as they scale. Responsibilities include mentoring peers...Remote work
- ...A fintech company located in Washington, D.C. is seeking a Backend Engineer to develop innovative banking and SaaS products. The ideal candidate will have over 5 years of experience in JavaScript and Node.js, as well as a strong understanding of fintech APIs. Responsibilities...
- ...environments. • Mentor fellow engineers through constructive code reviews, pair programming, design discussions, and knowledge sharing. • Develop well-defined written design documents and contribute to a culture of technical excellence. Qualifications: Required: • 5+ years of...Full timeRemote work
$86.8k - $198k
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...Full timePart timeLocal area- ...Backend Web Developer Location Washington, DC # of openings 2 Salary Range (Min-Max) 00 We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose....Full time
- ...faster, more usable, and more robust Design and refine database schemas, migrations, and data models for complex business logic Develop reliable REST APIs consumed by our mobile apps, web platform, and partner integrations Implement and maintain integrations with...
$230k - $250k
Tines is looking for an experienced Software Engineer to join their team in Washington, DC. The role involves leading the technical direction for critical systems and mentoring fellow engineers in a collaborative environment. Applicants should have 10+ years of software...Remote work$145k - $190k
...Overview We are seeking a Backend Support Software Developer for a fully onsite role with high visibility, working in direct support of the National Geospatial-Intelligence Agency (NGA). The position focuses on enhancing existing code, integrating backend solutions, and...- ...software that is maintainable, secure, and aligned with customer needs. Key Responsibilities Backend Software Development Design, develop, test, and maintain backend services using C++ and Python. Build scalable, reliable, and secure software components that support complex...
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