Senior Developer
Instrument
Senior DeveloperInstrument is a design and technology company. We build brands, products, and experiences that move businesses forward—by making the complex simple.For over 20 years, we've partnered with companies like Google, ServiceNow, Uber, Eventbrite, and ?URA, helping them navigate change, launch new ideas, and grow with intention.Our work spans Brand, Marketing, and Product, but what defines us is how we work. We bring strategy, design, and engineering together from the start, moving quickly from idea to execution and refining as we go. We aim to do great work and be great to work with, because both matter.We're a collaborative, hands-on team with roots in Portland and New York and a distributed presence across the U.S. and Europe. We build teams around the needs of the work, staying nimble without sacrificing craft.We value curiosity, perspective, and continuous learning, and we're committed to building an inclusive environment where people can do their best work.If that sounds like you, we'd love to meet you.Senior Developers at Instrument are experienced creative technologists at their core who translate complex ideas into robust, scalable technical solutions. They operate with high autonomy, balancing detailed execution with system-level thinking and strong cross-disciplinary collaboration.Senior Developers are trusted contributors who elevate technical quality, mentor others, and help shape how technology supports creative and strategic intent.What You'll DoLead development of complex features and interfaces across projects.Architect and implement scalable front-end solutions within broader systems.Balance performance, accessibility, and maintainability in technical decisions.Identify and address technical risks early in the process.Partner closely with design, strategy, production, and back-end teams.Communicate technical rationale and tradeoffs to varied audiences.Support alignment between creative intent and technical execution.Own the quality and integrity of development deliverables within workstreams.Improve workflows, tooling, and documentation to support team efficiency.Review code and provide constructive feedback to peers.Support the growth of more junior developers through feedback and guidance.Share knowledge, patterns, and best practices across teams.Model strong collaboration, accountability, and craft excellence.Practices Creative Intelligence by staying curious about emerging tools and technologies (including AI) and applying sound judgment about when and how they should inform the work. Continuously learns and experiments while keeping human needs, craft, and responsibility at the center.This role may take on related responsibilities as needs evolve, aligned to the role's level and core purpose.What You'll Bring3-5 years of experience in front-end/Full-Stack development (leadership experience a plus)Advanced proficiency in modern front-end frameworks and tooling.Strong understanding of APIs, data integration, and system architecture.Confident use of version control, CI/CD pipelines, and collaboration tools.Evaluates AI-assisted tools for workflow improvement; experiments with them independently and shares findings with the team.Passion for leading-edge technology and proven track record researching and implementing new tech effectivelyThe ability to seamlessly integrate with back-end developers, APIs, dynamic content and templatingStrong understanding of high fidelity design and animation, with the ability to create visually stunning, interactive experiences that are both engaging and accessible.Fluency in HTML/CSS/JavaScript, both with and without frameworksExperience (or interest) in developing for accessibility and making digital products usable and accessible for everyoneCollaboration, flexibility, hustle, humility, confidenceWhat We OfferFlexible, Hybrid Work EnvironmentGreat Compensation with Annual Reviews401(k) Matching with Immediate VestingRobust Medical, Vision, and Accident InsuranceGenerous Paid Holidays and unlimited PTOMonthly Wellbeing StipendCareer Management and Leadership Training
- Responsibilities:- Building and maintaining scalable systems- Build and maintain a SaaS architecture across multiple platforms, working on all areas of the tech stack- Perform code reviews to ensure that we're shipping reliable, readable, and reusable code- Help identify...Senior
$70k - $140k
Washington, DCAdministrative and Logistics Support /Full Time On-Site /On-siteWorkforce Developer (WD) - Senior Work Location: Washington, DC Employment Type: Full-Time, Senior-Level Department: Administrative and Logistics Support CGS is seeking a skilled Workforce Developer...SeniorFull time$222k
DescriptionPosition: Senior Developer Location: Rosslyn, VA, Clearance: SecretThe Senior Developer leads the design, development, and optimization of complex software applications that support enterprise systems and business objectives. This role provides technical leadership...Senior- ...Senior Appian DeveloperWe are seeking a highly skilled and experienced Senior Appian Developer to join our dynamic team. As a Senior Appian Developer, you will play a pivotal role in designing, developing, and implementing business process applications using the Appian...Senior
- ...OutSystems Senior DeveloperLocation – Washington, DC - onsiteContract roleJob Description:A Certified OutSystems Developer with 8 years of experience in OutSystems development. Good hands-on experience in Reactive web development and mobile application development in OutSystems...Senior
- ...Job Title : Senior Developer Location: Mt Laurel, New Jersey. Hybrid - onsite 3 times per week Job Description: Senior developer with 7-10 years of professional experience working with required technologies Expert in Python frameworks...Senior
- ...Senior Appian DeveloperWe are seeking an experienced Senior Appian Developer to provide expert oversight and leadership in infrastructure, requirements gathering, design, and implementation of key business initiatives and core engineering projects. The ideal candidate...Senior
- ...Portal Developer, SeniorCGI Federal has an exciting opportunity for a Portal Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping pace with rapidly evolving technology advancements...Senior
- ...Systems, Data Stores, Groups, Feeds etc. Experience: Have worked on two or more end-to-end Appian BPM implementation (Design/Develop/Deploy/Package) Experience in building frameworks and BPM concepts Sound Knowledge of Appian Process/Solution and...Senior
- ...Senior Developer Job Java Module Lead with 5-8 year of demonstrated hands-on experience and Front-End developer experience. Education and Experience Required: Working experience on Java Angular, JavaScript, Postgress, AWS Exposure to Python & Tableau...SeniorWork experience placement
- ...Senior Developer Arlington, Virginia Job Summary .Net L2 Support JD: * Good experience on.Net, MVC, C#, SQL Server, SSIS, SSRS, etc. * Nice to have exposure on React, Tableau, GCP, PCF, HTML5, JavaScript, jQuery, CSS3, Jenkins, SonarQube, Github, etc. *...SeniorFlexible hoursWeekend work
- ...Atlas Technologies is seeking a skilled and motivated Senior Appian Developer to join our dynamic IT team and contribute to the design, development, and implementation of secure enterprise applications and process automation solutions. The ideal candidate is a strong...SeniorWork at officeRemote work
$240k - $295k
...Senior Manager, Enterprise Developer AdvocacyUnited States - Remote OpportunityAbout UsTemporal is an open source programming model that can simplify code, make applications more reliable, and help developers focus on the important things like delivering features faster...SeniorFull timeTemporary workPart timeWork at officeRemote workWork from homeHome office- Company DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and Product Development, IT Outsourcing... ...1SummaryType: ContractFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Information Technology And ServicesSeniorWorldwide
$150k - $175k
...across Enterprise IT, Mission Support Services, and Specialized Technologies. We are seeking a highly skilled and motivated Appian Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and implementing business process...SeniorFull timePart timeFor contractorsRemote work- ...Hi, Hope all is well, Please find the job description given below and let me know your interest. Position: Senior Rust Developer Location: Seattle, WA Onsite (Relocation will work) Contract: 12+ Months Contract Job Description: Rust...SeniorContract workRelocation
- ...ONLY QUALIFIED CANDIDATES NEED APPLY SENIOR SOFTWARE DEVELOPER – FULL STACK, JAVA SPRING, POSTGRESQL Role Overview: The Senior Software Developer will lead the design and development of the new application. This role will design and implement backed APIs...SeniorFull time
- ...of existing code, process improvement recommendations, and automation of operations and maintenance tasks. The Software Engineer develops and implements technical efforts to design, build, and deploy applications under the direction of lead architects, including large...SeniorFull time
- Job Description: • Provide oversight of requirements gathering and interpretation for all infrastructure impacts across the portfolio pipeline • Provide oversight of the requirements process on key projects by clarifying requirements where and when necessary, ensure...Senior
- ...do their best work. This empowers us to build smarter solutions and deliver stronger results for our clients. As a Senior Drupal Front-End Developer you will use your exceptional web development skills and experiences to architect and lead the development of...SeniorFull timeVisa sponsorship
- ...culture focused on impactful solutions. What You’ll Do As a Senior Software Engineer , you will drive critical projects, own core... ...development processes. Responsibilities Own & Develop Features: Lead development of core features and systems with a...SeniorFull timeWork at office
- AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers...Senior
- ...ways to log into the apps, shopping experiences, and entertainment portals they access each day. We are looking for a full-stack developer with experience in C#/.NET to develop custom web and mobile apps that integrate with consumer identity platforms and to explore unique...SeniorRemote work
$104k - $166k
ResponsibilitiesPeraton is seeking a Senior Systems / Software Engineer to join our team of qualified, diverse individuals. The qualified... ....Conduct audits and audit related activities of the newly developed and maintained software systems in accordance with RTCA DO-178B...SeniorContract workFor contractorsShift work$165k
...highly cleared engineers, analysts, and program managers represent some of the best talent locally available. The Senior Full Stack Developer is responsible for the design, development, testing, and management of application development projects in support of IT...SeniorFull timeFlexible hours- ...TLA is seeking a Software Engineer to design, develop, and integrate secure computing environments that support critical mission objectives. In this role, you’ll contribute to the full software lifecycle—from architecture and development to testing and deployment—across...SeniorFull time
- ...Sensing (SMS) Sector of the Sensors Division. In this sector, we develop and deliver technology to advance space-based sensing, space... ...-sensing missions. The Role: The SMS Sector is seeking a Senior Scientific Computing Software Developer to leverage their CUDA...SeniorFull timeLocal areaRemote workNight shift
$197.2k
Agency: National Security Agency/Central Security ServiceDepartment: Department of DefenseSalary: Starting at $197,200 Per year (ES 1)Dates: Open 08/10/2026 to 08/25/2026Schedule: Full-timeWork type: PermanentRelocation: TruePosition ID: 1261460Document ID: 879950500Grade...Senior$155k - $175k
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Senior Web Applications Developer to support mission-critical initiatives at Joint Base Anacostia-Bolling (JBAB), Washington, DC. In this role, you will lead the modernization, enhancement...SeniorFor contractorsRelocation package- ...environments such as AWS and Azure, while enabling advanced data capabilities through scalable ETL pipelines and the migration of custom-developed tools into enterprise platforms. In parallel, the team engages in forward-leaning research on emerging technologies including...SeniorFull time
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