{"id":2183771,"url":"https://alion.io/job/inspyr-solutions-website-senior-backend-software-developer","title":"Senior Backend Software Developer","company":{"id":3872763,"name":"INSPYR Solutions","domain":"inspyrsolutions.com","url":"https://alion.io/company/inspyr-solutions","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":{"grade":"B","score":75,"open_postings":127,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":26,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Redmond, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":117000,"max_usd":215000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":2993},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"DynamoDB","optional":false},{"name":"IAM","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-02T00:00:00Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-10T23:38:38Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":9},"description":"Title: Backend Software DeveloperLocation: Redmond, WA\nDuration: 6 months, possible extensions\nCompensation: $70-75hr\nThis is a fully onsite position.\nABOUT THIS FEATURED OPPORTUNITY\nWe are seeking a Senior Backend Software Development Engineer to join a small, highly hands-on development team building custom applications from proof of concept through production.\nThis is an end-to-end role for an engineer who enjoys operating with a startup mindset within a larger organization-owning backend development, AWS infrastructure, testing, deployment, and reliability.\nTHE OPPORTUNITY FOR YOU\n Develop and deliver new backend features end to end, from POC through production-ready applications.\n Build and maintain AWS infrastructure supporting custom applications.\n Develop backend applications primarily in Python and infrastructure/tooling in JavaScript.\n Design reliable communication across AWS services, networks, and accounts.\n Configure IAM roles, permissions, and access controls.\n Build infrastructure with a focus on reliability, maintainability, and scalability.\n Participate in Agile development, security reviews, and architecture reviews.\n KEY SUCCESS FACTORS (TOP MUST-HAVE SKILLS) AWS / Cloud: Strong hands-on experience building application infrastructure in AWS. Experience with services such as ECR, SSM, RDS, DynamoDB, SNS, IAM, and AWS networking. Solid understanding of key concepts such as connecting services across networks/accounts, configuring access and permissions, and designing for reliability.\n JavaScript: Strong development experience using JavaScript to build and configure AWS infrastructure and cloud services.\n Python: Strong backend development experience with the ability to build applications/services, integrate with AWS and databases, and write automated tests.\n End-to-End Development: Proven experience transforming POCs into usable production systems, including backend development, infrastructure, testing, deployment, security, and reliability.\nNICE TO HAVESExperience in a startup, logistics, inventory, supply chain, or manufacturing environment is a plus-particularly in environments where engineers have broad ownership and are responsible for building solutions end to end.\nW2, direct hires only. No C2C or vendor opportunities available.\nJOB BENEFITS\n Medical, vision, and dental insurance \nAbout INSPYR Solutions\nTechnology is our focus and quality is our commitment. As a national expert in delivering flexible technology and talent solutions, we strategically align industry and technical expertise with our clients’ business objectives and cultural needs. Our solutions are tailored to each client and include a wide variety of professional services, project, and talent solutions. By always striving for excellence and focusing on the human aspect of our business, we work seamlessly with our talent and clients to match the right solutions to the right opportunities. Learn more about us at inspyrsolutions.com.\nINSPYR Solutions provides Equal Employment Opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, INSPYR Solutions complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities.\nINSPYR Solutions provides Equal Employment Opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, or any other protected status. INSPYR Solutions complies with all applicable laws governing nondiscrimination in employment in every location in which the company has facilities. Applicants requiring reasonable accommodation during the application or interview process should contact  for assistance.\nInformation collected and processed through your application with INSPYR Solutions (including any job applications you choose to submit) is subject to INSPYR Solutions' Privacy Policy and INSPYR Solutions' AI and Automated Employment Decision Tool Policy: https://www.inspyrsolutions.com/policies/. 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