{"id":1510445,"url":"https://alion.io/job/solar-turbines-principal-software-developer","title":"Principal Software Developer","company":{"id":1975356,"name":"Solar Turbines","domain":"solarturbines.com","url":"https://alion.io/company/solarturbines","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":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Diego, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":120600,"max":180900,"currency":"USD","period":"year","gross":null,"usd_annual":180900},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"C#","optional":false},{"name":"Dapper","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"Oracle","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Windows","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-11T00:00:00Z","employer_posted_date":"2026-09-11","last_verified_at":"2026-10-17T05:59:28Z","board_verified":true,"closed_at":null,"days_open":36,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":36},"description":"Career Area:\nEngineeringJob Description:\nYour Work Shapes the World at Caterpillar Inc.\nWhen you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.\nJob Description:\nThe Standard Solutions group at Solar Turbines is at the forefront of developing innovative products and tools that drive success for our customers across diverse industries. We are seeking a motivated and forward-thinking Software Developer to join our dynamic team. If you thrive in a fast-paced engineering environment and enjoy creative problem-solving, this role offers an exciting opportunity.\nThis position is 5 days a week in office in San Diego, CA.\nPosition Overview:\nAs a Software Developer, you will collaborate with a global cross-functional team to design, develop, and implement modern software tools using Agile development methodologies. You will work with new technologies to modernize legacy software tools and support ongoing digital transformation efforts.\nKey Responsibilities:\nCollaborate with product owner, technical architect, business analysts, and stakeholders to develop and implement modern software tools that support product design, testing, and validation.\nCreate detailed technical designs and project plans.\nImplement solutions that ensure robust, efficient, and secure software performance.\nMentor, train, and support team members in upgrading existing software tools and developing new tools.\nWhat You Need to Have:\nA degree in Engineering, Computer Science, Information Systems, or a closely related field.\nAt least 7 years of experience with C#, VB.NET, Python, TypeScript, and the .NET framework, along with hands-on expertise in database design using Oracle or SQL.\nExperience with desktop application development using WinUI or other XAML-based frameworks is preferred; a solid understanding of Windows Forms (WinForms) is required.\nStrong proficiency with ORM tools such as Entity Framework and Dapper.\nSolid knowledge of front-end technologies, including ReactJS and Angular (v17+), is desirable.\nFamiliarity with API development, middleware concepts, and token-based authentication/authorization.\nStrong communication skills and the ability to work effectively with end users and business leaders.\nTop Candidates Will Have:\nExperience in modernizing legacy software tools.\nKnowledge of Agile software development methodologies, as well as user interface (UI) and user experience (UX) design principles.\nManaging Multiple Priorities:\nStrong organizational skills and a sense of urgency to manage multiple projects and competing priorities.\nVisa Sponsorship is not available for this position.\nPartial relocation assistance may be offered for this role.\nAbout Caterpillar\nCaterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For nearly 100 years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed.\nSummary Pay Range:\n$120,600.00 - $180,900.00Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-relatedknowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.\nBenefits:\nSubject to plan eligibility, terms, and guidelines. This is a summary list of benefits.\nMedical, dental, and vision benefits*\n\nPaid time off plan (Vacation, Holidays, Volunteer, etc.)*\n\n401(k) savings plans*\n\nHealth Savings Account (HSA)*\n\nFlexible Spending Accounts (FSAs)*\n\nHealth Lifestyle Programs*\n\nEmployee Assistance Program*\n\nVoluntary Benefits and Employee Discounts*\n\nCareer Development*\n\nIncentive bonus*\n\nDisability benefits\n\nLife Insurance\n\nParental leave\n\nAdoption benefits\n\nTuition Reimbursement\n\n* These benefits also apply to part-time employees\nThis position requires working onsite five days a week.Visa Sponsorship is not available for this position.Posting Dates:\nAny offer of employment is conditioned upon the successful completion of a drug screen.\nCaterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.\nNot ready to apply? Join our Talent Community.","description_format":"text","description_chars":4835,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Life insurance","Parental leave","Relocation assistance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["Fossil Fuels"],"lifecycle":[{"event":"open","at":"2026-10-14T02:00:51Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 9 · green card filings: 1","filings_12m":9,"filings_prev_12m":6,"green_card_filings_12m":1,"median_offered_wage_usd":144500,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":4}],"liveness":{"score":29,"band":"fade","label":"Fading","p_open":1,"p_active":0.634,"p_room":0.45,"age_days":36,"expected_fill_days":20,"reasons":["conf:4","win:tail","comp:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":180900,"is_top_pay":false},"html_url":"https://alion.io/job/solar-turbines-principal-software-developer","json_url":"https://alion.io/job/solar-turbines-principal-software-developer.json","meta":{"generated_at":"2026-10-17T21:43:08Z","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_verified","counted_by":"address","units_charged":1,"used_today":6435,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":1975356},"rest":"https://alion.io/mcp/rest/get_company?id=1975356"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsolar-turbines-principal-software-developer"},{"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%2Fsolar-turbines-principal-software-developer"},{"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%2Fsolar-turbines-principal-software-developer"},{"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/solar-turbines-principal-software-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsolar-turbines-principal-software-developer"}]}