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Open since May 2026

Senior Software Developer II - Full StackBLEN · Washington

Senior Software Developer II - Full Stack

WashingtonRemoteFull-time

AI Summary

Designs, architects, and develops scalable full-stack digital solutions, mentors engineers, and acts as technical lead, with deep expertise in cloud services, AI tooling, and system integration.

About this role

About BLEN
BLENers are passionate about using technology to solve real-world problems. For over 20 years, we've been helping government agencies and businesses transform their digital experience. We bring fresh perspectives to every project, from modernizing legacy systems to building cloud-native applications to experimenting with technology that’s just around the corner. We value building long and enduring partnerships to solve complex challenges by putting humans at the center of all the experiences. Our team thrives on turning tricky problems into solutions that are practical, accessible and performant.
About this position
As a Senior Software Developer II - Full Stack at BLEN, you will take on a highly strategic role in designing, architecting, and developing scalable, robust digital solutions. This role demands a combination of deep technical expertise in both front-end and back-end technologies and the ability to collaborate closely with tech leads and sometimes take on tech lead responsibilities. You will be expected to think strategically, mentor team members, and deliver high-impact solutions while embracing ownership and accountability. In addition, this position requires a strong background in cloud services, system architecture, AI toolings, and an eagerness to innovate by building prototypes and transforming proof of concepts into production-ready features.

What we would like from you

  • Technical Leadership and Strategy
  • Collaborate closely with the tech lead, taking responsibility for the system's architecture and development strategy
  • Step in as the acting Tech Lead when required, making key technical decisions that ensure alignment with overall product and business goals
  • Design and implement scalable, efficient, and maintainable systems and architectures
  • Work on building prototypes and proof of concepts that later become major production features

  • Software Development and Problem-Solving
  • Leverage extensive full-stack development experience to lead high-complexity, outcome-driven projects
  • Proactively diagnose and solve architectural and technical issues, driving quality improvements in existing systems
  • Work hands-on with modern tech stacks, including advanced usage of cloud platforms, ensuring scalable system designs
  • Actively contribute to the development and deployment of AI-driven solutions and applications

  • Mentorship and Team Development
  • Mentor and support junior engineers, focusing on transferring skills in system design, cloud services, and AI technologies
  • Provide technical guidance across teams, fostering a culture of continuous learning and innovation
  • Engage in technical interviews, assessing candidates' skills and cultural fit
  • Communication and Stakeholder Engagement
  • Present design documents, architecture diagrams, and technical solutions to clients, stakeholders, and cross-functional teams
  • Communicate technical strategies and developments effectively across the team and external partners
  • Process Improvement and Innovation
  • Drive improvements in software development processes and practices, with a focus on high performance and scalability
  • Champion best practices in system design, architecture, cloud services, and AI development
  • Stay up to date with emerging technologies and trends in AI and cloud computing, applying this knowledge to drive innovation in the organization

    • Basic qualifications

  • Essential Requirements
  • 10+ years of engineering experience, with a proven track record of designing and developing scalable, reliable, and maintainable systems and architectures
  • Extensive experience with full stack development using Python, React, Next.js, Node.js, Java or Ruby on Rails
  • Hands-on experience with Python and AI toolings, including familiarity with large language models (LLMs) and other modern AI frameworks
  • Strong expertise in containerization technologies like Docker and orchestration tools such as Kubernetes, ensuring systems are scalable and maintainable in a cloud-native environment
  • Experience working with both relational databases such as PostgreSQL, MySQL, and NoSQL databases like Firestore, MongoDB, ensuring effective database design, optimization, and scalability
  • Hands-on experience integrating external APIs and third-party services into applications
  • Strong cloud services management and configuration skills with AWS, Azure, or GCP, leveraging these platforms for high availability, scalability, and security
  • Proficiency in version control systems (e.g., Git), and experience managing large, complex codebases
  • Robust problem-solving skills, particularly in diagnosing and resolving complex system issues related to distributed systems, cloud infrastructure, and application performance
  • Preferred Skills and Experience
  • Prior experience leading engineering teams or acting as a Tech Lead
  • Experience building AI applications and their underlying infrastructure
  • Familiarity with DevOps tools and best practices
  • Ability to obtain a Public Trust Clearance

    • Requirement

  • Must be a US Citizen or legal resident and able to work domestically
  • Must be located in the United States
  • Must be able to attain low-level security clearance

    • Perks

  • Work from anywhere.
  • Competitive pay.
  • A contribution to your health benefit.
  • The chance to work on high-visibility projects and make a significant impact.

    • Get to know us

  • We are a small, creative and highly technical team.
  • Our heroes are the scrappy folks that dare to dream and do great things. We love people that care more about doing the right thing than taking a shortcut.
  • We believe in finishing projects and floor our clients by how much we cared about their project.
  • We believe in integrity and because we're small, we are very selective of our partners and clients.
  • We do not use phrases like 'human resource' because you are NOT a resource. You are a team member and we will treat you like one.

    • What you should expect from us

  • We will treat you fairly.
  • We give you space to grow both personally and professionally.
  • We will hear your ideas even when we disagree -- especially when we disagree.
  • We will be equitable with our success and be honest with our challenges.
  • We will always tell you the truth. Even when the truth is difficult.

    • BLEN's hiring process

  • Resume Review: Our team evaluates your resume and online profiles (LinkedIn, GitHub, etc.) to assess qualification fit.
  • Role-Specific Assessment (depending on role, due in 24 - 48 hours): Complete a take-home assignment or live coding session to demonstrate technical skills. For this role, this will be the assessment: https://github.com/blencorp/blen-fullstack-engineer-take-home
  • Hiring Manager Screen (30 mins): Dive deeper into your experience and the role with the hiring manager.
  • Virtual Interviews (2 rounds, 30-45 min each): Technical and competency-based interviews aligned with Blen's values, conducted via Google Meet.
  • Decision & Offer: Post-interview, the hiring team decides. If selected, your recruiter will extend an offer and assist with logistics.

    • Skills

    API IntegrationAWSAzureDockerFirestoreGCPGitJavaKubernetesLLMsMongoDBMySQLNext.jsNode.jsPostgreSQLPythonReactRuby On Rails

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