{"id":4241170,"url":"https://alion.io/job/nielseniq-software-engineer-java-springboot-restapi","title":"Software Engineer (Java, Springboot, RestAPI)","company":{"id":9378,"name":"NielsenIQ","domain":"nielseniq.com","url":"https://alion.io/company/nielseniq","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":80,"open_postings":22,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":14,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chennai, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Flask","optional":false},{"name":"GCP","optional":false},{"name":"Java","optional":false},{"name":"JUnit","optional":false},{"name":"Kubernetes","optional":false},{"name":"Mockito","optional":false},{"name":"NumPy","optional":false},{"name":"OWASP","optional":false},{"name":"Postman","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"Kotlin","optional":true}],"status":"live","first_seen_at":"2026-11-13T12:05:26Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-13T12:10:16Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"We are seeking a Software Engineer with solid technical depth to deliver scalable services and guide junior engineers, working with Java, Spring Boot, Python (NumPy), REST APIs, Flask APIs, and Azure/GCP.\nResponsibilities:\nDesign and develop maintainable, modular software components in Java, Spring Boot, and Python\nWrite optimized, reusable, and scalable code that follows SOLID/equivalent principles\nBuild application components applying multi-threading, concurrency models, and asynchronous programming principles\nDesign, build, and consume REST APIs with Spring Boot and Flask; build Python/NumPy-based data processing components where applicable\nSolve technical problems considering common practice and procedures; determine appropriate action by analyzing possible solutions and their impact on the function/business\nProvide informal guidance to new and junior team members through code reviews and pairing\nUnderstand how the team’s work integrates with other closely related teams and account for interdependencies\nWrite and execute unit tests using JUnit and Mockito; perform API integration testing\nImplement CI/CD pipelines to build and deploy applications; maintain a high level of quality maturity in pipeline quality gates\nImplement security best practices (input validation, authentication, authorization, OWASP guidelines)\nDeploy and operate applications on Azure Cloud using Docker and Kubernetes\nCollaborate with cross-functional teams to define, design, and ship new features\nTroubleshoot and resolve issues in development, test, and production environments\nExplain technical, sometimes complex and dynamic concepts clearly to others\nRequirements:\n4+ years of strong working experience in core technical discipline: Java, Spring Boot, RDBMS, NoSQL\nSolid experience with Python and NumPy for building data-oriented services\nStrong experience with common software design patterns (e.g., Adapter, Strategy, Template Method)\nStrong experience in designing, building, and consuming REST APIs efficiently; experience building and operating Flask APIs\nGood experience using AI-assisted tools in the SDLC\nExperience in code execution best practices (memory footprint, GC) and database query analysis (explain plan, statistics)\nHands-on experience in messaging and queuing\nProficiency in JUnit; experience with API integration testing using Postman\nExperience in quality gates and security tools integration in CI/CD processes\nHands-on experience with Docker, Kubernetes, and Azure Cloud services\nExcellent problem-solving skills and attention to detail\nStrong communication and teamwork skills\nFamiliarity with Agile development methodologies\n Enjoy a flexible and rewarding work environment with peer-to-peer recognition platforms. \nRecharge and revitalize with help of wellness plans made for you and your family. \nPlan your future with financial wellness tools. \nStay relevant and upskill yourself with career development opportunities. \nOur Benefits\nFlexible working environment\nVolunteer time off\nLinkedIn Learning\nEmployee-Assistance-Program (EAP)\nNIQ may utilize artificial intelligence (AI) tools at various stages of the recruitment process, including résumé screening, candidate assessments, interview scheduling, job matching, communication support, and certain administrative tasks that help streamline workflows. These tools are intended to improve efficiency and support fair and consistent evaluation based on job-related criteria. All use of AI is governed by NIQ’s principles of fairness, transparency, human oversight, and inclusion. Final hiring decisions are made exclusively by humans. NIQ regularly reviews its AI tools to help mitigate bias and ensure compliance with applicable laws and regulations. If you have questions, require accommodations, or wish to request human review were permitted by law, please contact your local HR representative. For more information, please visit NIQ’s AI Safety Policies and Guiding Principles: https://nielseniq.com/global/en/info/niqs-ai-safety-policies/\nAbout NIQ\nNIQ is the world’s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth. In 2023, NIQ combined with GfK, bringing together the two industry leaders with unparalleled global reach. With a holistic retail read and the most comprehensive consumer insights-delivered with advanced analytics through state-of-the-art platforms-NIQ delivers the Full View™. NIQ is an Advent International portfolio company with operations in 100+ markets, covering more than 90% of the world’s population.\nFor more information, visit NIQ.com\nWant to keep up with our latest updates?\nFollow us on: LinkedIn | Instagram | Twitter | Facebook\nOur commitment to Diversity, Equity, and Inclusion\nAt NIQ, we are steadfast in our commitment to fostering an inclusive workplace that mirrors the rich diversity of the communities and markets we serve. We believe that embracing a wide range of perspectives drives innovation and excellence. All employment decisions at NIQ are made without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable laws. We invite individuals who share our dedication to inclusivity and equity to join us in making a meaningful impact. 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