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BLEN

Real-time stock quotes and portfolio tools

Senior Software Developer 1 - Full Stack

Full-Stack EngineeringConfirmed live in the last 24 hours
Full-timeRemote in USA

About the Job

Requirements

  • A bachelor's degree and at least 7 years of software engineering experience.
  • At least 5 years of professional JavaScript/TypeScript development across the full stack.
  • Strong experience with React or Next.js to build modern, responsive front-end applications.
  • Proficiency with Node.js and server-side JavaScript frameworks such as Express or Fastify.
  • Experience designing and consuming RESTful APIs and/or GraphQL.
  • Familiarity with relational and/or NoSQL databases such as PostgreSQL and MongoDB.
  • Strong problem-solving skills and ability to debug complex issues across the full stack.
  • Proficiency with version control systems such as Git and modern CI/CD workflows.
  • Must be a U.S. citizen or legal resident and able to work domestically.
  • Must be able to attain low-level security clearance.
  • Must work from the United States and, as stated in the hiring information, from the contiguous United States.

Responsibilities

  • Collaborate with management, product, and design teams to shape development vision and strategy, including adoption of AI-powered tools and workflows.
  • Guide cross-functional teams in delivering high-impact, full-stack JavaScript solutions aligned with client goals.
  • Contribute to implementing the program's development strategy, focusing on modern architectures including React, Next.js, Node.js, and TypeScript.
  • Maintain a high-level understanding of adjacent technical areas, including cloud-native services, AI/ML integrations, and API ecosystems, to support effective system integration.
  • Own contributions across the full stack, from responsive front-end interfaces to scalable back-end services.
  • Use knowledge of the JavaScript/TypeScript ecosystem to lead iterative, outcome-driven development.
  • Design and integrate RESTful APIs, GraphQL endpoints, and AI-assisted features such as LLM-powered workflows, intelligent document processing, or retrieval-augmented generation.
  • Diagnose and resolve issues with owned systems, using incidents to inform learning opportunities and system improvements.
  • Make critical decisions to keep projects on track and aligned with evolving client needs, including evaluating responsible uses of AI/ML capabilities.
  • Mentor and assist junior engineers in developing skills across modern JavaScript frameworks and AI-augmented development practices.
  • Build and maintain relationships with internal and external stakeholders.
  • Participate in technical interviews with candidates.
  • Foster continuous learning about emerging technologies, including generative AI, prompt engineering, and agentic architectures.
  • Communicate technical issues and developments to team members and clients, translating complex AI and engineering concepts into clear, actionable language.
  • Present design documents, system diagrams, and technical proposals to clients, stakeholders, partners, and engineers.
  • Serve as the discipline's primary technical lead when working with stakeholders.
  • Improve software engineering processes and practices, including adoption of AI-assisted development tools such as Copilot, Claude, and automated testing.
  • Propose and evaluate multiple approaches to technical and process problems, using data-driven insights where possible.
  • Champion best practices in modern JavaScript development, cloud architecture, CI/CD pipelines, and responsible AI integration.
  • May lead small, less critical, or temporary team structures and projects.

Desired Qualifications

  • Prior government contracting experience.
  • Experience with cloud platforms such as AWS, Azure, or GCP.
  • Hands-on experience integrating AI/ML services or LLM APIs such as OpenAI, Anthropic, or Azure AI into production applications.
  • Familiarity with AI-related patterns such as retrieval-augmented generation, prompt engineering, or agentic workflows.
  • Knowledge of DevOps practices and tools such as Docker, Terraform, and GitHub Actions.
  • Experience with Agile development methodologies.
  • Familiarity with accessibility standards such as Section 508 and WCAG in government contexts.
  • Ability to obtain a Public Trust Clearance.

About the Company

BLEN

Real-time stock quotes and portfolio tools

Onvista is a German financial portal that provides real-time stock quotes, market data, and financial news for private investors. It also offers portfolio management and analysis tools, letting users create and monitor portfolios and use charting and company data to inform decisions, with revenue from ads and brokerage services via its subsidiary onvista bank. The platform differentiates itself by focusing on the German-speaking market and offering an integrated mix of news, data, tools, and in-house brokerage on a single, high-traffic site. Its goal is to help private investors in German-speaking regions make informed investment choices using real-time data and integrated tools.

Company size
11-50
Company stage
Not listed
Total funding
Not listed
Headquarters
Washington DC, District of Columbia
Founded
2004

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