{"id":2069888,"url":"https://alion.io/job/parsons-software-engineer-senior","title":"Software Engineer, Senior","company":{"id":4937,"name":"Parsons","domain":"parsons.com","url":"https://alion.io/company/parsons","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Herndon, United States","United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":132000,"max_usd":243000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":2745},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Django","optional":false},{"name":"Docker","optional":false},{"name":"FastAPI","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Linux","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"D3.js","optional":true},{"name":"Kubernetes","optional":true},{"name":"Plotly","optional":true}],"status":"live","first_seen_at":"2026-10-07T00:00:00Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-10T23:45:23Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible. Job Description:\nParsons is looking for a talented Full Stack Software Engineer to join our growing team supporting a high-priority national security mission. In this role, you will contribute to the design, development, integration, and testing of an advanced Signals Intelligence (SIGINT) data fusion and analytics platform.\nThe platform integrates multiple intelligence data sources into a unified operational environment, leveraging modern data processing technologies, APIs, and advanced visualization capabilities to support intelligence analysis, vulnerability research, and collaborative mission planning.\nThis position offers an opportunity to work on cutting-edge intelligence integration projects, developing secure, scalable, and high-performance solutions that support critical national security missions.\n**This position offers a hybrid work schedule**\nWhat You’ll be Doing:\n\nYou will be an integral part of our team solving challenging mission-focused problems to meet customer needs. You will participate on an Agile team to develop well-designed, testable, and efficient code. You will collaborate with team members in person or remotely, ask smart questions, take risks, and champion innovative solutions.\nDesign, develop, and maintain full-stack software applications using Python, React, and TypeScript to integrate, process, and correlate structured and unstructured intelligence data through APIs and backend services. \nDevelop interactive dashboards, custom interfaces, and data visualization capabilities to support SIGINT analysis, vulnerability research, and collaborative mission workflows, while enabling integration with external AI platforms. \nCollaborate with mission stakeholders and engineering teams to deliver secure, scalable, and reliable software solutions through Agile development practices, automated testing, and continuous integration.\nWhat Required Skills You’ll Bring:\nU.S. citizenship and eligibility for a TS/SCI security clearance\nBachelor's Degree and a minimum of 8 years of related professional experience\nExperience developing full-stack applications using Python and React/TypeScript\nExperience developing backend services and RESTful APIs using frameworks such as FastAPI, Django, or equivalent technologies\nExperience developing interactive user interfaces and dashboards using React and modern JavaScript/TypeScript frameworks\nExperience working with structured data formats such as JSON and XML and relational databases such as PostgreSQL\nFamiliarity with data ingestion, parsing, transformation, and integration across multiple data sources\nExperience using Git, software debugging tools, and automated testing frameworks.\nFamiliarity with Linux development environments and containerization technologies such as Docker\nUnderstanding of software engineering principles, secure coding practices, and Agile development methodologies\nStrong analytical and problem-solving skills and the ability to collaborate effectively with multidisciplinary technical teams\nWhat Desired Skills You’ll Bring\nTS/SCI clearance is preferred\nExperience developing software supporting SIGINT, intelligence analysis, cyber operations, or other national security missions\nFamiliarity with reverse engineering, vulnerability research, or cyber threat analysis.\nExperience with data fusion, entity resolution, record correlation, or graph-based data relationships\nFamiliarity with graph databases, NoSQL databases, or modern data processing frameworks.\nExperience developing data visualization interfaces using libraries such as D3.js, Plotly, or equivalent technologies\nExperience working with unstructured data, including text extraction, metadata enrichment, and automated data classification\nFamiliarity with AI/ML technologies, Large Language Models (LLMs), and integration with external AI platforms through APIs\nExperience with Kubernetes, CI/CD pipelines, and automated software deployment\nFamiliarity with cybersecurity best practices, authentication, authorization, and secure API development\n Security Clearance Requirement:\nNoneThis position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $112,200.00 - $196,400.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.","description_format":"text","description_chars":6046,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible schedule","Growth opportunities","Hybrid work","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Events & Ticketing","Government","Military","Homeland Security"],"lifecycle":[{"event":"open","at":"2026-10-08T06:02:59Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":22,"reasons":["conf:3","velocity","win:early","comp:brand"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/parsons-software-engineer-senior","json_url":"https://alion.io/job/parsons-software-engineer-senior.json","meta":{"generated_at":"2026-10-11T01:55:29Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":2909,"day_limit":5000,"remaining_today":2091,"minute_limit":60,"resets_at":"2026-10-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4937},"rest":"https://alion.io/mcp/rest/get_company?id=4937"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fparsons-software-engineer-senior"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fparsons-software-engineer-senior"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fparsons-software-engineer-senior"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/parsons-software-engineer-senior\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-software-engineer-senior"}]}