Engineer III Elevance HealthEngineer IIIAtlanta, GeorgiaThe Engineer III is responsible for serving as part of a team of Engineering/ Quality Engineering professionals engaging in the design of test plans, scenarios, scripts, or procedures for large-scale projects being performed in a distributed environment. Execute primary ownership of tests, including planning strategy and test coverage, automated and manual test executions, issue resolutions, retesting based on the test failure.
Senior Software Engineer GovServicesHubSenior Software EngineerAlpharetta, GeorgiaWe are looking for a Senior Software Engineer with strong hands-on experience in Java and Python to build and optimize backend applications and APIs. The ideal candidate will have a deep understanding of cloud technologies, large-scale data processing, and the ability to design high-performance, scalable backend services.
Software Engineer( Full-time)Atlanta,GA-DK Central Business SolutionsSoftware Engineer( Full-time)Atlanta,GA-DKAtlanta, GeorgiaThe Software Engineer will apply engineering principles to software development, support production releases, perform code reviews, merge feature branches, troubleshoot issues, and collaborate with sponsors to gather requirements, prioritize backlogs, and support Agile development teams. The ideal candidate will have strong programming experience in languages such as Java, JavaScript, C, C++, C#, Ruby, Python, Scala, and Groovy, along with knowledge of CI/CD, DevOps, API development, containerization, distributed systems, and Linux-based development environments.
Software Engineer II - Portal (Front End) Global Payments IncSoftware Engineer II - Portal (Front End)Atlanta, GA$91,900–$138,700 / yearThe Payrix team is a passionate, global team of payments and software experts who provide vertical software companies with an all-in-one platform and a white-glove approach, to capitalize on the opportunities within embedded payments for growth, innovation, and transformation. The portal engineering team is responsible for delivering and supporting the portal web application that helps our partners manage their merchant boarding process, users, transactions, funding, disbursements, chargebacks, risk controls, access controls.
NewDevops Engineer Verifone Systems, Inc.Devops EngineerAtlanta, GAYou'll work alongside platform developers to proactively eliminate the conditions that cause production incidents, build automation that scales across engineering teams, and drive continuous improvement across our observability and deployment practices. Build and maintain internal engineering tooling covering software deployment pipelines, certificate lifecycle automation, and shareable AI-powered developer tools that reduce toil and raise the capability floor across the engineering organization.
Lead Performance & Observability Engineer Intercontinental Exchange IncLead Performance & Observability EngineerAtlanta, GADemonstrated proficiency with AI coding and analysis tools (GitHub Copilot, Claude, Cursor, or equivalent) for performance-specific tasks: generating profiling scripts, writing Prometheus queries, analyzing GC logs, and building test harness scaffolding. You will define testing methodologies, build durable test harnesses, drive observability initiatives, and act as the authoritative voice on performance trade-offs across application, JVM, OS, and hardware layers.
Lead Software Development Engineer in Test (Python) Intercontinental Exchange IncLead Software Development Engineer in Test (Python)Atlanta, GAAs a Lead Software Development Engineer in Test at Intercontinental Exchange, you will work with product managers, developers, and risk management/quantitative analysts to understand business/system requirements and implement or modify automation frameworks and test cases to test Clearing Technology systems. Lead test framework architecture and develop robust automated tests using Custom Python-based frameworks, Cypress or Selenium using JavaScript/Java and Python, Jira and Jenkins for test management and CI/CD integration.
Software Engineer - Mission Systems (Senior Or Principal) HermeusSoftware Engineer - Mission Systems (Senior Or Principal)Atlanta, GA$128,250–$156,750 / yearAbout The Role: The Mission Systems Engineering (MSE) Team develops the Mission Management System (MMS)-a software platform that integrates mission subsystems, autonomy services, operator interfaces, communications links, and telemetry for Hermeus aircraft. As a Software Engineer on this team, you will design, implement, and test C++ software that extends this platform and interfaces with mission subsystems, autonomy solutions, and external services.
NewSoftware Engineer Universal Business SolutionsSoftware EngineerAlpharetta, GANET solutions, secure APIs, and cloud ready features that improve efficiency for internal teams, clients, and end users. You'll collaborate globally, support critical applications, integrate modern AI capabilities, and mentor junior engineers.
staff-electrical-engineer-protection-applications-atlanta Burns & McDonnellstaff-electrical-engineer-protection-applications-atlantaAtlanta, GARequired Experience: Requires a bachelor's degree in electrical engineering or a directly related field plus (3) years of experience in electrical systems studies in the electric utility or industrial power distribution industry. Position may include following assignments: Executes complex assignments requiring the use of advanced electrical engineering techniques, resulting in the development of new or improved processes, equipment, and/or technological methods.
Engineer, Data, Search & Social Publicis Groupe SAEngineer, Data, Search & SocialAtlanta, GA$73,150–$112,554 / yearIn addition, background in the following areas will significantly elevate the candidates ability to hit the ground running: • Strong understanding of media measurement and currency datasets • Cloud infrastructure and data processing technologies. Company Description Publicis Media Exchange (PMX) is the investment arm of Publicis Media, supercharging our agencies and clients to drive smart application of investment by leveraging scale, marketplace innovation, deeper partnerships, and intelligence.
Slack Proactive Monitoring Engineer Salesforce IncSlack Proactive Monitoring EngineerAtlanta, GA$75,000–$113,500 / yearTechnical Advisory: Partner with Customer Success Managers and Success Architects to deliver annual technical health check reviews, assessing platform metrics, configuration limits, and custom integration health. You will proactively detect anomalies, triage system exceptions, and orchestrate rapid mitigation steps-frequently initiating preemptive customer outreach before their internal users even experience a slowdown.
Principal Security Engineer Verizon Communications IncPrincipal Security EngineerAlpharetta, GA$120,500–$231,000 / yearThe engineer would be required to leverage automation platforms to develop scripts and tools to enhance security operations and play a key role in monitoring, analyzing, and leading response to network security incidents while implementing proactive measures to safeguard critical assets. You will be responsible for owning the Network security posture, Security Lifecycle and protection against threats across the Broadband access network that includes, but is not limited to Edge Routers, Broadband Access routers and switches, CPE equipment and RAN transport infrastructure.
Asic Engineer FalcommAsic EngineerAtlanta, GATo conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Strong problem-solving skills in complex digital design areas such as clock domain crossing, timing optimization, and low-power design techniques.
Software Engineer AutoStoreSoftware EngineerAtlanta, GAThe Role: This is an individual contributor role for a hands-on full stack engineer responsible for designing, building, integrating, and operating software capabilities across our Unify Analytics Platform. We have more than 1600 systems in nearly 60 countries, and we grow continuously as a community of employees, partners, customers, suppliers, and connected technologies.
NewData Engineer - Healthcare - 23421 Sumeru SolutionsData Engineer - Healthcare - 23421Atlanta, GAThe ideal candidate will have strong expertise in cloud-based data engineering, ETL/ELT development, big data technologies, and data quality practices, with experience working in healthcare environments. We are seeking a skilled Data Engineer to design, develop, and optimize scalable data pipelines and data platforms that support enterprise analytics, reporting, AI/ML initiatives, and healthcare business operations.
Slack Proactive Monitoring Engineer Salesforce.com, Inc.Slack Proactive Monitoring EngineerAtlanta, GA$75,000–$113,500 / yearTechnical Advisory: Partner with Customer Success Managers and Success Architects to deliver annual technical health check reviews, assessing platform metrics, configuration limits, and custom integration health. You will proactively detect anomalies, triage system exceptions, and orchestrate rapid mitigation steps-frequently initiating preemptive customer outreach before their internal users even experience a slowdown.
IT/EDA Engineer FalcommIT/EDA EngineerAtlanta, GATo conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. A successful candidate will oversee the reliability and scalability of enterprise infrastructure while supporting EDA tools, simulation clusters, and Linux compute environments used by engineering teams.
ASIC Engineer FalcommASIC EngineerAtlanta, GATo conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Strong problem-solving skills in complex digital design areas such as clock domain crossing, timing optimization, and low-power design techniques.
It/Eda Engineer FalcommIt/Eda EngineerAtlanta, GATo conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. A successful candidate will oversee the reliability and scalability of enterprise infrastructure while supporting EDA tools, simulation clusters, and Linux compute environments used by engineering teams.
Senior System Safety Engineer ANDURIL INDUSTRIESSenior System Safety EngineerAtlanta, GA$144,000–$191,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Ai/Cad Software Engineer FalcommAi/Cad Software EngineerAtlanta, GATo conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Cross-Functional Collaboration: Partner closely with RF/PA architects to translate complex impedance matching and linearity requirements into deployable software solutions.
Saviynt Engineer PROLIM Global CorporationSaviynt EngineerAtlanta, GARemoteThe role focuses on Saviynt module implementation, integrations, access governance, and operational support across on‑prem and cloud environments, working closely with architects, security teams, and business stakeholders. Role Descriptions: The Saviynt Engineer is responsible for hands‑on implementation, configuration, and support of Saviynt Identity Governance & Administration (IGA) solutions.
Front-End Engineer II - Digital Servicing Synchrony FinancialFront-End Engineer II - Digital ServicingAlpharetta, GAQualifications/Requirements: Bachelor's degree in computer science or related degree and a minimum of 2 years of web application development experience OR, in lieu of degree, High School Diploma/GED 4 years of professional web application development experience. Desired Characteristics: Working knowledge of Generative AI concepts, tools, and best practices, including prompt engineering, LLM-based development workflows, and the design and orchestration of AI agents and sub-agents.
Linux Engineer h3-TechnologiesLinux EngineerAtlanta, GAEnsure that business continuity plans are tailored to meet regulatory requirements for safeguarding research data, including Controlled Unclassified Information (CUI). Design, develop, and implement comprehensive IT business continuity and disaster recovery (BC/DR) strategies to ensure the protection of critical research systems, applications, and data.
Automation & DevOps Engineer h3-TechnologiesAutomation & DevOps EngineerAtlanta, GAEnsure that business continuity plans are tailored to meet regulatory requirements for safeguarding research data, including Controlled Unclassified Information (CUI). Architect automation tooling for Compliance-as-Code configurations using Ansible, GitLab, Artifactory, Tenable Nessus, Axonius, CrowdStrike, and related tools.
Senior API Engineer - Advisor I Fiserv IncSenior API Engineer - Advisor IAlpharetta, GA$90,000–$158,400 / yearYou'll collaborate with product managers, clients at leading financial institutions, and cross‑functional engineering teams to design and deliver resilient, high‑volume solutions that leverage modern APIs, microservices, third‑party integrations and cloud infrastructure. 5+ years hands‑on experience building RESTful APIs (JSON over HTTPS) with recent hands‑on experience with Java and Spring Frameworks (Spring Boot).
Senior Platform Engineer (Kafka/Flink) Fiserv IncSenior Platform Engineer (Kafka/Flink)Marietta, GA$110,000–$186,000 / yearThe engineer will design and operate Kafka and Apache Flink platforms across cloud and on‑prem environments, enable CI/CD and infrastructure automation, and partner closely with application teams and architects to support mission‑critical, low‑latency event streaming workloads. #LI-CD1#Kafka #ApacheFlink #EventStreaming #PlatformEngineering #DevOps #Kubernetes #CloudInfrastructure #InfrastructureAsCode #Terraform #Automation #RealTimeData #DistributedSystems #EnterpriseIT #FinTech #Fiserv #NowHiring.
Cloud Platform Engineer - Summer Intern Fiserv IncCloud Platform Engineer - Summer InternAlpharetta, GAWhat you will need to have: Actively pursuing a bachelor's degree with an expected graduation between December 2026 and June 2028 in Computer Science, Cloud Computing, Information Systems, Engineering, Cybersecurity, or other related technology disciplines. A successful Cloud Platform Engineering Intern works closely with experienced cloud, platform, and site reliability engineers to help build, automate, and operate modern cloud platforms.
Summer Intern - Data Engineer Fiserv IncSummer Intern - Data EngineerAlpharetta, GAInterns will work with Technology professionals learning much-needed skills such as coding, testing and supporting application software; collaborating with senior analysts and experienced teammates; offering innovative suggestions; participating in quality inspections; supporting ongoing documentation of existing processes, with mentorship, and other complicated projects. High school diploma and currently pursuing a Bachelor's degree in Computer Science, Data Science, Management Information Systems, Cybersecurity, Technical Project Management, or a related technology field, or equivalent combination of education, related experience and/or military experience.
Cloud Automation Engineer (IaC) Fiserv IncCloud Automation Engineer (IaC)Alpharetta, GA$110,000–$186,000 / yearCloudAutomation #InfrastructureAsCode #Terraform #Kubernetes #AWS #PlatformEngineering #Microservices #CloudNative #DevOpsEngineer #SiteReliabilityEngineering #GitOps #Kratix #InternalDeveloperPlatform. Create comprehensive documentation, including architectural diagrams, technical specifications, and guidelines, to facilitate knowledge transfer and ensure a clear understanding of infrastructure components and their interdependencies.
Senior Systems Engineer (Tandem NonStop) Fiserv IncSenior Systems Engineer (Tandem NonStop)GAPerform daily continuous improvements on all NonStop servers, including off-platform servers, such as Splunk, Prognosis, Moogsoft, ServicePoint, SharePoint and BackPak servers, their databases, user and data security, etc. You'll combine technical proficiency with strong problem-solving skills, attention to detail, and a commitment to ensuring the reliability, performance, and security of our infrastructure.
Senior Engineer, React Native FIXD AutomotiveSenior Engineer, React NativeAtlanta, GARemote$120,000–$130,000 / yearOur dealer-facing platform pairs a diagnostic sensor with subscription software to surface costly reconditioning needs, optimize trade-in values, increase profitability, and ensure fair deals for all parties. We provide dealers with immediate, precise repair cost estimates for thousands of mechanical defects, uniquely tailored to the make, model, year, trim, and geographic location of used vehicles.
Product Sourcing Engineer Anduril Industries IncProduct Sourcing EngineerAtlanta, GA$111,000–$147,000 / yearThe Sourcing Engineer drives the strategic supply network development and cost management of Anduril's product hardware, across their lifecycles, by collaborating with suppliers and cross-functionally, including folks in engineering, quality, and manufacturing. To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process.
Senior Oracle Database Engineer Fiserv IncSenior Oracle Database EngineerAlpharetta, GA$128,000–$216,000 / yearSupport multiple servers and multiple databases of medium to high complexity (complexity defined by database size, technology, transaction velocity and volume, system feeds and interfaces) with multiple concurrent users, ensuring control, integrity and accessibility of the data. About your role: You will be responsible for the implementation of new technologies and support operations on numerous Oracle databases while working closely with internal clients, systems programmers, and application developers to define and resolve information flow and content issues---helping to transform business requirements into environment specific databases.
Cyber Network Engineer FiservCyber Network EngineerAlpharetta, GeorgiaWorking closely with architects, engineers and technology leaders, you will develop reference architectures and reusable patterns across cloud-based proxy technologies, IDS/IPS, Network Detection and Response, DNS security, DDoS protection, IPAM, load balancing, micro-segmentation, Zero Trust, automation, AI-enabled security capabilities, Infrastructure-as-Code and Policy-as-Code. Serve as a subject matter expert for network security technologies including cloud proxy, IDS/IPS, NDR, DNS security, DDoS protection, IPAM, load balancing, micro-segmentation and Zero Trust.
Client Tech Support Engineer FiservClient Tech Support EngineerAlpharetta, GeorgiaThis role is responsible for receiving, validating, triaging, and resolving merchant inquiries when possible, while ensuring all break/fix issues are properly documented and escalated through ServiceNow Incident Management processes. Assess incoming requests and classify them into appropriate categories: Product Question, Training Request, Configuration Support, Product Support, Functional Issue, Break/Fix Incident.
NewSr Server Software Engineer FiservSr Server Software EngineerAlpharetta, GeorgiaAs a Backend Engineer on this team, you will focus on scaling and expanding our employee management platform, shift scheduling systems, labor tracking mechanics, and integrations with industry-leading enterprise payroll and workforce management platforms. Prior experience building workforce management, HR tech, shift scheduling, payroll, or labor optimization platforms, or developing deep backend integrations with large external enterprise software systems.
Senior Cyber Network Engineer Fiserv IncSenior Cyber Network EngineerAlpharetta, GA$127,500–$204,000 / yearLeverage automation, orchestration, and AI‑driven capabilities to improve policy enforcement, threat detection, operational efficiency/response times across network security platforms and identify network and perimeter security risks using data‑driven and AI‑assisted analysis, and drive prioritized, risk‑based remediation strategies. What will you do: Define and maintain the security roadmap for enterprise and end‑user network security platforms, including secure web gateway, URL filtering and proxy, Zero Trust Network Access (ZTNA), next‑generation firewalls, load balancers, and AI‑enabled security capabilities.
Senior Product Sourcing Engineer Anduril Industries IncSenior Product Sourcing EngineerAtlanta, GA$126,000–$167,000 / yearThe Senior Product Sourcing Engineer drives the strategic supply network development and cost management of Anduril's product hardware across their lifecycles, by collaborating with suppliers and cross-functionally, including folks in engineering, quality, and manufacturing. To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process.
Cyber Oracle Cloud Security - Consultant / Security Engineer II Deloitte Touche Tohmatsu LtdCyber Oracle Cloud Security - Consultant / Security Engineer IIAtlanta, GA$82,600–$162,800 / yearIn this role, you will support Oracle Cloud security engagements focused on application security, governance, risk, and compliance across Enterprise Resource Planning (ERP), Human Capital Management (HCM), and Supply Chain Management (SCM) environments. Required: Bachelor of Arts or Bachelor of Science degree in Computer Science, Cyber Security, Information Security, Engineering, Information Technology, Management Information Systems, Finance, Accounting and Technology, or Business.
NewIntegration Engineer, Embedded Finance Fiserv IncIntegration Engineer, Embedded FinanceAlpharetta, GA$78,000–$138,000 / year4+ years of experience supporting client implementations end to end, including technical onboarding, implementation, incident resolution, and release support in Agile frameworks using Jira or similar tools. 3+ years of experience working with banking, payments, or financial systems, including transaction processing, ledger workflows, risk workflows, or related domains.
Cisco Network Security Engineer/ Senior Consultant Deloitte Touche Tohmatsu LtdCisco Network Security Engineer/ Senior ConsultantAtlanta, GA$105,400–$207,800 / year3+ years of experience with Cisco Identity Services Engine (ISE) 802.1X Network Access Control (NAC), guest lifecycle management, profiling policies, TrustSec segmentation, and Cisco Firepower capabilities including intrusion prevention system (IPS), malware protection, Uniform Resource Locator (URL) filtering, Domain Name System (DNS)-based security, Secure Sockets Layer/Transport Layer Security (SSL/TLS) decryption, and cloud firewall deployments in Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP). 5+ years of experience designing, deploying, and managing Cisco Firepower Threat Defense (FTD) and Firepower Management Center (FMC) in enterprise environments, including physical appliances, virtual instances, and cloud-delivered Firewall Management Center (cdFMC).
QA Engineer (AI-Enabled Testing) Intellitrans LLCQA Engineer (AI-Enabled Testing)Atlanta, GAPOSITION SUMMARY: The QA Engineer, AI-Enabled Testing will own test strategy and automation across IntelliTrans' web and mobile applications, using AI assistants as hands-on engineering partners to accelerate coverage, close gaps, and raise the quality bar. Design and maintain test architecture for web, mobile, and API surfaces, using AI assistants to scaffold frameworks, generate test cases, and surface edge cases that manual planning misses.
Software Engineer Yancey Bros. Co.Software EngineerAustell, GeorgiaThis role will focus on designing, developing, and supporting business applications, APIs, automation solutions, and database integrations across enterprise systems. Who We Are Looking For: To be successful in this position you should be comfortable collaborating with business stakeholders, analysts, and developers in an Agile environment while contributing to both new development initiatives and ongoing support efforts.
Solutions Engineer GBGSolutions EngineerAtlanta, GARemoteWe’re looking for a Sales Solution Engineer to support sales teams by providing business insights, technical expertise, solution demonstrations, and tailored product presentations in the realm of identity, fraud and verification services. Our Solutions Engineers are trusted advisors, partnering closely with Sales to design and deliver tailored solutions that solve real-world challenges.
NewAI Engineer (Software Engineering Focus) Danta TechnologiesAI Engineer (Software Engineering Focus)Atlanta, GA$44–$45 / hourNote: Candidates whose experience is primarily in Data Science, statistical modeling, forecasting, analytics, or academic AI projects are not the right fit for this role. The ideal candidate should have hands-on experience developing scalable backend systems, integrating AI/LLM solutions, and deploying cloud-native applications.
Senior Software Engineer (Cloud Native, React/Node.js) CopelandSenior Software Engineer (Cloud Native, React/Node.js)Kennesaw, GeorgiaBest-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology that is built for the needs of the world ahead. . Through groundbreaking innovations, HVACR technology and cold chain solutions, we are reducing carbon emissions and improving energy efficiency in spaces of all sizes, from residential to commercial to industrial.
Senior Software Engineer (Cloud Native, React/Node.Js) CopelandSenior Software Engineer (Cloud Native, React/Node.Js)Kennesaw, GA$120,000–$160,000 / yearBest-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology that is built for the needs of the world ahead. Through groundbreaking innovations, HVACR technology and cold chain solutions, we are reducing carbon emissions and improving energy efficiency in spaces of all sizes, from residential to commercial to industrial.
NewPrincipal AI App Dev Engineer - Vice President Morgan StanleyPrincipal AI App Dev Engineer - Vice PresidentAlpharetta, GeorgiaAgentic AI : Autonomous agent concepts (multi-step reasoning, goal decomposition, self-reflection loops, and replanning strategies); Tool-oriented execution (agents calling APIs, executing scripts, interacting with knowledge bases, or triggering workflows); Safety and governance (guardrails, grounding, hallucination prevention, and ethical AI use); Agent evaluation (reasoning accuracy, success/failure patterns, Efficiency metrics and Evaluation metrics such as accuracy, F1-score, or perplexity); MCP server concepts (architecture for agent communication and orchestration, request/response flows, streaming data, multi-agent coordination, and contextual state management); Agentic AI architecture internals (planner, executor, memory store, tool registry, event loop, orchestration layers, schedulers, task prioritization, failure recovery, and multi-agent collaboration patterns). RAG : RAG architecture (retrieval pipelines, context injection, and grounding of LLM outputs); document chunking and indexing (splitting strategies, token limits, and indexing performance); Query processing (rewriting, filtering, and ranking retrieved documents); Evaluation and latency optimization (measuring retrieval accuracy and reducing end-to-end response time).