{"landing":{"id":2555,"type":"location","title":"Backend Developer Jobs in Jacksonville","description":"Backend Developer jobs in Jacksonville hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $150,856/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.","url":"https://alion.io/jobs/backend-developer-in-jacksonville","json_url":"https://alion.io/jobs/backend-developer-in-jacksonville.json","filters":{"role_ids":"3","location_ids":"526"},"updated_at":"2026-10-24T08:18:53Z"},"aggregates":{"jobs":71,"companies":21,"posted_last_7_days":29,"companies_active_90_days":21,"work_mode":{"remote":18,"hybrid":15,"on_site":38},"visa_sponsorship":0,"relocation":3,"equity":10,"salary_stated_n":33,"salary_estimated_n":32,"marked_inactive":0,"salary_usd_annual":{"p10":141000,"avg":192216,"p90":237500},"salary_stated":{"all":{"n":33,"p25":160680,"p50":188400,"p75":230400},"by_seniority":[{"seniority":"senior","n":8,"p25":160680,"p50":180000,"p75":200000}]},"salary_estimated":{"all":{"n":32,"p25":131000,"p50":153000,"p75":165000},"by_seniority":[{"seniority":"middle","n":9,"p25":126500,"p50":131000,"p75":131500},{"seniority":"senior","n":12,"p25":150000,"p50":153500,"p75":159500}]},"top_technologies":[{"name":"CI/CD","jobs":39},{"name":"Java","jobs":36},{"name":"JavaScript","jobs":32},{"name":"Rest API","jobs":32},{"name":"AWS","jobs":29},{"name":"SQL","jobs":27},{"name":"Agile","jobs":26},{"name":"TypeScript","jobs":24}],"top_locations":[{"name":"United States","jobs":11}],"top_companies":[{"name":"Intercontinental Exchange","url":"https://alion.io/company/intercontinental-exchange","jobs":15},{"name":"Bank of America","url":"https://alion.io/company/ghr","jobs":9},{"name":"Citi","url":"https://alion.io/company/citi","jobs":9},{"name":"Fanatics","url":"https://alion.io/company/fanatics-com","jobs":9},{"name":"Palo Alto Networks","url":"https://alion.io/company/paloaltontwks","jobs":5},{"name":"Advantage Design Group®","url":"https://alion.io/company/advantagedesigngroup","jobs":3},{"name":"Star Catcher","url":"https://alion.io/company/star-catcher","jobs":3},{"name":"Fiserv","url":"https://alion.io/company/fiserv","jobs":2},{"name":"Fanatics","url":"https://alion.io/company/fanatics-inc","jobs":2},{"name":"Booz Allen Hamilton","url":"https://alion.io/company/booz-allen","jobs":2},{"name":"Medtronic","url":"https://alion.io/company/medtronic","jobs":2},{"name":"Landstar System, Inc.","url":"https://alion.io/company/landstar-com","jobs":1}]},"content":{"sections":[{"title":"The market right now","text":"Alion currently lists 71 open Backend Developer jobs in Jacksonville from 21 companies. 29 of them were posted or refreshed in the last seven days. 21 of the employers have posted something in the last three months, which is the pool worth watching if you are starting a search now. Every listing links straight to the employer, so you apply on their own board rather than through an intermediary."},{"title":"What these roles pay","text":"33 of these Backend Developer jobs in Jacksonville state pay directly. Across them the middle half of the market sits between $161K and $230K a year, with a median of $188K. Figures are gross annual amounts converted to US dollars, so roles in different currencies stay comparable."},{"title":"Where the work is","text":"The largest concentrations of these roles are United States (11). 25% of the listings are fully remote and a further 21% are hybrid, so a large part of this market is open to you regardless of where you live."},{"title":"Who is hiring","text":"The employers with the most open Backend Developer jobs in Jacksonville right now are Intercontinental Exchange (15), Bank of America (9), Citi (9), Fanatics (9), Palo Alto Networks (5), and Advantage Design Group® (3). Each company page on Alion carries its size, funding stage, tech stack and every other position it has open, so you can judge the employer before you spend an evening on the application."},{"title":"What employers ask for","text":"Reading across the current listings, the tools that come up most often are CI/CD (39), Java (36), JavaScript (32), Rest API (32), AWS (29), SQL (27), Agile (26), and TypeScript (24). The counts are how many of these openings name each one, which is a better guide to what is actually being hired for than a generic skills list."},{"title":"Relocation, visas and equity","text":"Of the current Backend Developer jobs in Jacksonville, 3 offer a relocation package and 10 include equity. These are filters on the list above, so you can narrow it to the ones that make a move possible for you."}],"faq":[{"question":"How many Backend Developer jobs in Jacksonville are open right now?","answer":"There are 71 open Backend Developer jobs in Jacksonville on Alion from 21 companies. The list was last refreshed on October 24, 2026."},{"question":"What do Backend Developer jobs in Jacksonville pay?","answer":"The median is $188K a year, and the middle half of the market falls between $161K and $230K. This is based on the 33 listings that state pay."},{"question":"Are any of these roles remote?","answer":"18 of the 71 listings (25%) are fully remote, and you can filter the list down to them in one click."},{"question":"Which companies are hiring?","answer":"The most active employers right now are Intercontinental Exchange, Bank of America, Citi, Fanatics, Palo Alto Networks, and Advantage Design Group®. Each has its own page on Alion with the rest of its open roles."},{"question":"Can I get visa sponsorship or relocation?","answer":"Yes - of the current listings, 3 offer a relocation package. Both are filters on the jobs page."},{"question":"How do I apply?","answer":"Open any listing and apply on the employer's own board through the link on the page. No account is required to browse or to apply."}]},"jobs":[{"id":3201148,"url":"https://alion.io/job/intercontinental-exchange-summer-internship-program-2027-software-engineering-intern-3","json_url":"https://alion.io/job/intercontinental-exchange-summer-internship-program-2027-software-engineering-intern-3.json","title":"Summer Internship Program 2027 - Software Engineering Intern","company":{"id":58612,"name":"Intercontinental Exchange","url":"https://alion.io/company/intercontinental-exchange"},"work_mode":"on_site","salary":null,"status":"live","updated_at":"2026-10-24T08:18:53+00:00"},{"id":3201147,"url":"https://alion.io/job/intercontinental-exchange-summer-internship-program-2027-software-developer-intern","json_url":"https://alion.io/job/intercontinental-exchange-summer-internship-program-2027-software-developer-intern.json","title":"Summer Internship Program 2027 - Software Developer Intern","company":{"id":58612,"name":"Intercontinental Exchange","url":"https://alion.io/company/intercontinental-exchange"},"work_mode":"on_site","salary":null,"status":"live","updated_at":"2026-10-24T08:18:53+00:00"},{"id":3156534,"url":"https://alion.io/job/landstar-system-inc-programmeranalyst-ii-web-development","json_url":"https://alion.io/job/landstar-system-inc-programmeranalyst-ii-web-development.json","title":"Programmer/Analyst II - 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