{"id":3300954,"url":"https://alion.io/job/sphera-full-stack-software-engineer","title":"Full Stack Software Engineer","company":{"id":178062,"name":"Sphera","domain":"sphera.com","url":"https://alion.io/company/sphera-2","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":99000,"max":157000,"currency":"USD","period":"year","gross":null,"usd_annual":157000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Tomcat","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"CI/CD","optional":false},{"name":"Copilot","optional":false},{"name":"Dependency Injection","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"Hibernate","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"JUnit","optional":false},{"name":"Kotlin","optional":false},{"name":"Material UI","optional":false},{"name":"Maven","optional":false},{"name":"Mockito","optional":false},{"name":"MS SQL","optional":false},{"name":"MySQL","optional":false},{"name":"Okta","optional":false},{"name":"OpenAI","optional":false},{"name":"OpenAI Codex","optional":false},{"name":"Oracle","optional":false},{"name":"OWASP","optional":false},{"name":"OWASP ZAP","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SOAP","optional":false},{"name":"SonarQube","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring Framework","optional":false},{"name":"SQL","optional":false},{"name":"State Management","optional":false},{"name":"Swift","optional":false},{"name":"TypeScript","optional":false},{"name":"Java","optional":true}],"status":"live","first_seen_at":"2026-10-26T23:41:42Z","employer_posted_date":null,"last_verified_at":"2026-10-26T23:41:42Z","board_verified":false,"closed_at":null,"days_open":5,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":5},"description":"This a Full Remote job, the offer is available from: United States\nSphera is a leading global provider of enterprise software and services that enables companies to manage and optimize their environmental, health, safety and sustainability. Our mission is to create a safer, more sustainable and productive world.\nSphera is a portfolio company of Blackstone, a U.S.-based alternative asset investment company that focuses on private equity, technology and innovation, and more. Blackstone businesses succeed through strong partnerships, a personalized approach and a commitment to exceptional performance with uncompromising integrity. Sphera and Blackstone are leaders in the Environmental, Social and Governance (ESG) space.\nWe are guided by our core values of Customer Centricity, Accountability, Bias to Action, Innovation, and Collaboration. These values help us recruit the right talent to join our rapidly expanding team around the globe. It is important to us that each and every Spherion is not only eager to challenge themselves and knows how to get work done but is an awesome addition to our company culture.\nFull Stack Software Engineer\nPosition Summary:\nThe Full Stack Software Engineer designs, develops, tests, and sustains features across the Hazardous Material Management System (HMMS) product line. The role supports a mission-critical platform for hazardous materials, waste, inventory, regulatory data, and reporting while modernizing both legacy and current components.\nThe engineer will build React and TypeScript interfaces, Java and Spring Boot services, REST integrations, and relational database components. This role is for someone who can independently deliver full-stack features, modernize legacy enterprise applications, work securely in a government-oriented environment, and use AI-assisted development tools responsibly.\nKey Responsibilities:\nBuild, maintain, and modernize Java and Spring Boot applications, RESTful and SOAP services, microservices, system integrations, and deployments across Apache Tomcat and Oracle WebLogic using modular, maintainable architectures.\nDevelop responsive, accessible user interfaces using React, TypeScript, JavaScript, HTML, CSS, and reusable component libraries in accordance with applicable Section 508 and WCAG requirements.\nDevelop and optimize SQL queries, stored procedures, data models, schemas, migrations, integrity controls, persistence components, and Jaspersoft or JasperReports reporting services using Oracle or another enterprise relational database.\nApply secure coding practices to produce maintainable, well-documented code supported by automated testing, code reviews, vulnerability remediation, dependency upgrades, continuous engineering improvement, and responsible use of AI-assisted development tools with appropriate human review.\nDiagnose and resolve software defects across the browser, service, application-server, integration, and database layers.\nCollaborate with product, QA, architecture, DevOps, and engineering partners on technical design, estimation, implementation planning, code reviews, and documentation throughout the software development lifecycle.\nUse Azure DevOps and Git-based workflows for source control, work tracking, pull requests, code reviews, builds, deployments, and release coordination.\nQualifications & Experience:\nU.S. citizenship is required. Must be able to obtain and maintain a U.S. Government Common Access Card.\nThree to five years of professional full-stack software development experience building React applications with TypeScript, JavaScript, HTML, and CSS and developing Java services with Spring Boot, Spring Framework, dependency injection, and RESTful APIs.\nBachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent professional experience.\nStrong understanding of object-oriented programming, design patterns, exception handling, collections, concurrency, and multithreaded application behavior, with experience using Maven or a comparable Java build and dependency-management tool.\nExperience with SQL, relational data modeling, and database-driven application development using Oracle or another enterprise relational database; Oracle and PL/SQL experience is beneficial.\nUnderstanding of secure coding practices, common web application risks, authentication, authorization, session management, role-based access, and secure configuration, with experience developing automated unit and integration tests using JUnit, Mockito, Jest, React Testing Library, or comparable tools.\nExperience using AI-assisted development tools to support software design, implementation, testing, debugging, documentation, and code review while applying appropriate security, privacy, and human-review practices.\nAbility to troubleshoot across user interfaces, APIs, services, application servers, integrations, and databases and clearly communicate technical findings, implementation decisions, and recommended actions.\nExperience with Git-based source control, pull-request workflows, CI/CD, work tracking, and platforms such as Azure DevOps in an Agile software development environment.\nCore Technical Capabilities:\nFrontend Engineering\nReact, TypeScript, JavaScript, HTML5, CSS, reusable components, and component frameworks such as Material UI.\nReact Testing Library and Jest; state management and API integration; responsive and accessible interface development; and micro-frontend or modular frontend architecture.\nBackend Engineering\nJava 8 or later; Spring Boot and Spring Framework; RESTful and SOAP services; microservices and service-oriented architecture; JSON and XML processing; authentication and integration services; and batch or scheduled workloads.\nDatabase Development\nSQL development, relational modeling, schema design, stored procedures, query optimization, transactions, migrations, data validation, and data-integrity controls.\nJava persistence technologies such as JDBC, JPA, or Hibernate, with experience using Oracle, PostgreSQL, Microsoft SQL Server, MySQL, or another relational database and the ability to work effectively with Oracle and PL/SQL in the HMMS environment.\nDevelopment and Delivery Tooling\nAzure DevOps, Git and pull-request workflows, Maven, CI/CD pipelines, and development environments such as IntelliJ IDEA or Visual Studio Code.\nSonarQube or comparable code-quality tools, application and dependency vulnerability scanning, and Docker containerization.\nWhat Success Looks Like:\nEnd-to-End Engineering Delivery\nIndependently delivers secure, testable, and maintainable capabilities across React and TypeScript interfaces, Java and Spring Boot services, APIs, application servers, and relational databases. Modernizes legacy components, resolves complex cross-layer issues, and works across engineering disciplines to move features from design through release.\nProfessional Skills:\nApplies sound engineering judgment with strong attention to code quality, security, performance, and maintainability across development and deployment environments.\nOwns assigned features from design through release, independently resolves complex technical issues, communicates findings clearly, and works effectively across frontend, backend, database, QA, and DevOps disciplines.\nSafely improves large, interconnected systems while balancing modernization with support for existing production capabilities.\nProfessional Skills:\nAdvanced experience modernizing complex legacy Java enterprise applications built with WebLogic, Tomcat, JSF, JSP, Servlets, Oracle middleware, or comparable technologies.\nAdvanced experience with Oracle or another enterprise relational database, including SQL, PL/SQL, schema versioning, migrations, data-access modernization, performance troubleshooting, and reporting platforms such as Jaspersoft or JasperReports.\nExperience with dependency modernization, vulnerability remediation, framework upgrades, and tools such as Black Duck, SonarQube, or OWASP ZAP.\nExperience applying AI-driven development lifecycle practices across planning, design, coding, testing, security review, documentation, and delivery using OpenAI Codex, GitHub Copilot, Microsoft Copilot, or comparable AI development tools.\nExperience with Microsoft Azure services, federated identity technologies such as Okta, OpenID Connect, OAuth 2.0, or SAML, and system-to-system integrations using XML, JSON, messaging, or batch exchange.\nExperience supporting software deployed into customer-managed or access-controlled environments. \nDemonstrated success learning unfamiliar technologies and contributing across modern and legacy application architectures, including microservices and micro-frontends.\nExperience developing, testing, and releasing native mobile applications for Android or iOS using Kotlin, Java, Swift, or comparable mobile development technologies.\nPay:\n$99,000.00 - $157,000.00 + Eligible for Variable Compensation PlanCommensurate with relevant qualifications and experience\nBenefits:\nMedical, Dental, and Vision Insurance\n\nHealth Savings Account\n\nFlexible Spending Account\n\n401(k) Retirement Plan with Company Match\n\nLife and Disability Insurance\n\nCritical Illness Insurance\n\nAccident Insurance\n\nHospital Indemnity Insurance\n\nPaid Time Off and Holidays\n\nFlexible Working Schedule\n\nSphera is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all colleagues. We provide equal employment opportunities to all individuals regardless of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, disability, age, veteran status, marital status, or any other legally protected status.\nIf you require a reasonable accommodation for a disability during the application or recruiting process, please email us at  to make your request. To help us best respond, please include your name and the position you are applying for in your message.\nThis job description is intended to convey information essential to understanding the scope of the job and the general nature and level of work performed by job holders within this job. 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