• Write clear, concise Angular following best practices. • Improve and maintain the Integration Marketplace team's frontend stack. • Maintain high-quality coding standards in collaboration with others on the team. • Deliver well-tested, scalable solutions. • Serve as a sparring partner to team members. • Share and debate best practices proactively with peers. • Be self motivated and be comfortable working with remote colleagues as the team is based in Denmark & Hungary.

Drive the execution and delivery of features by collaborating with many cross functional teams, architects, product owners, and developers. Experience with a microservice architecture and platform-based development.

Pay: $130,000.00 - $150,000.00 per year Job description: Senior Full Stack Developer Constellation seeks a Senior Full Stack Developer to join our Homeland Security Team. This role requires a strong front-end development background using React, along with hands-on Python experience for building data pipelines and automation workflows. The ideal candidate will help develop user-facing applications integrated with backend ETL processes that support operational reporting, data collection, and intelligent automation. This position involves close collaboration with analysts, engineers, and stakeholders to deliver mission-driven capabilities across multiple workstreams. Key Responsibilities: - Design, develop, and maintain modern web applications using React that integrate with backend data automation workflows. - Build and support Python-based ETL pipelines to extract, transform, and load data into the enterprise reporting platform. - Collaborate with automation engineers, analysts, and cloud engineers to design intuitive, data-driven user interfaces. - Integrate frontend components with APIs and automation services built using tools such as Apache Airflow and Databricks. - Participate in sprint planning and technical discussions to refine system designs and requirements. - Ensure data accuracy, performance, and maintainability across frontend and backend components. The ideal candidate must have the following experience, background, and credentials: - At least 5 years of experience in front-end development using React and hands-on experience using Redux for state management in production React applications - At least 2 years of experience developing Python scripts for automation or ETL workflows, including usage and familiarity with Pandas - Strong experience developing front-end applications using HTML, TypeScript, and CSS with a focus on responsive design and modern UI/UX - Strong understanding of RESTful APIs, React component design and common component libraries, and secure web development practices - Proficiency in writing unit tests using frameworks such as Jest - Experience working in a collaborative code environment and familiarity with Git, CI/CD pipelines, and modern development workflows - Bachelor’s degree in Computer Science, Software Engineering, or a related field - Be a U.S. citizen able to pass a background investigation by the client agency. DHS clearance with CBP/ICE or DoD Top-Secret preferred Job Type: Full-time Work Location: Remote Benefits: - 401(k) - 401(k) matching - Dental insurance - Disability insurance - Flexible schedule - Flexible spending account - Health insurance - Life insurance - Professional development assistance - Vision insurance Experience: - React: 3 years (Required) - Front-end development: 3 years (Required) - Python: 2 years (Required)

Back End Developer - Ruby Stack Are you an experienced Ruby developer with a passion for building and maintaining innovative applications? Do you thrive in fast-paced environments where your work can make a meaningful impact? If so, you might be a great fit for our team. Codekeeper is currently searching for a talented Back End Engineer with strong expertise in the Ruby stack. Join us and play a key role in developing new features for our cutting-edge application. About the Role We are seeking a passionate and skilled Back End Engineer with expertise in Ruby Stack to join our team. The ideal candidate will be involved in the full software development lifecycle, from concept to deployment, focusing on creating and maintaining scalable, high-quality applications. This role is perfect for a proactive individual who thrives in a fast-paced environment and is eager to drive new feature development using Ruby on Rails and React technologies. What You’ll Be Doing - Collaborate with our team on the development of our app and drive new feature development - Utilize a Ruby-on-Rails and React stack, hosted on AWS - Write well-structured, lightweight, and easily editable code, supported by testing - Follow our clearly defined product development process and detailed interaction designs - Exercise a high degree of autonomy in deciding the best solutions for tasks and discussing implementation decisions during code reviews Why Codekeeper? Codekeeper was founded by tech industry professionals to revolutionize software escrow for the cloud era. We offer state-of-the-art software escrow solutions that mitigate third-party risks in business operations. As a remote-first company with a central office in The Hague, we prioritize a healthy, resilient organization to support the development of our robust app. 🌐 codekeeper.co What You Can Expect - Passionate and fun-loving colleagues - Startup mindset with ample opportunities for growth - Regular team activities and gatherings - Comprehensive onboarding process with a dedicated ramp-up period - A supportive team that values open communication and direct feedback - A chance to excel in your career and make a difference About You We seek a motivated and innovative individual who is ready to embrace challenges and grow alongside our company. The core skills and experience we're looking for include: - Proficiency in Ruby, Python, or Node.js - Expertise in Ruby on Rails - Familiarity with AWS - A good sense of React - Passion for building beautiful, intuitive interfaces and scalable backends - Driven and enthusiastic personality - Excellent communication skills in English - Ability to adapt and multitask in a fast-paced environment Additional Info Job Location: Remote (#LI-Remote) Join us to shape the future of software escrow! How to Apply Please send an application that speaks directly to how you would like to fill this position. There are no right answers or expectations. Show us your role in our company’s future and our role in yours. Address some of the work we do. Introduce yourself as a colleague. Feel free to respond in either Dutch or English