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Added 8 mins ago
Software Development Manager,VIRSAT, KMM, Leo
Amazon
Redmond, WA
1+ years of developing large-scale, multi-tiered distributed software systems using Java, C#, or C++ experience
Added 8 mins ago
Software Dev Engineer II, EC2 ML Provisioning
Amazon
Seattle, WA
…operating system and understand how to develop in languages such as Java, C#, Python, Go or Ruby in a Linux environment. Knowledge of the use, design, and development of distributed systems…
Added 8 mins ago
Software Dev Manager III, Trusted Order Remediation Experiences (TORX)
Amazon
Seattle, WA
1+ years of developing large-scale, multi-tiered distributed software systems using Java, C#, or C++ experience
Added 24 mins ago
Senior Software Engineer
Sam's Club
BENTONVILLE, AR
…code using languages such as JavaScript, TypeScript, Python, Java, Rust, Dart, and C++. Drives full software development lifecycle, including CI/CD deployments, automated testing,…
Added 24 mins ago
Senior Software Engineer
Sam's Club
BENTONVILLE, AR
…code using languages such as JavaScript, TypeScript, Python, Java, Rust, Dart, and C++. Drives full software development lifecycle, including CI/CD deployments, automated testing,…
Added 25 mins ago
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Senior Software Engineer
Sam's Club
SUNNYVALE, CA
- $187,075 to $234,000 USD / year
…coding in object-oriented programming languages (Kotlin and Java); testing and troubleshooting tools on mobile (ADB, Charles Proxy, and Flipper); working with modern software architecture…
Added 25 mins ago
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Senior Software Engineer
Walmart
SUNNYVALE, CA
- $117,000 to $234,000 USD / year
Skills required: Experience with designing and implementing scalable RESTful APIs and microservices using Java and Spring Boot. Experience with object-oriented programming and backend…
Added 25 mins ago
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Senior Software Engineer
Walmart
HOBOKEN, NJ
- $137,717 to $216,000 USD / year
Skills required: Experience coding in object-oriented programming language Java and Kotlin. Experience designing and developing native Android applications using MVVM architecture.…
Added 25 mins ago
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Senior Software Engineer
Walmart
SUNNYVALE, CA
- $150,080 to $234,000 USD / year
Skills Required: Experience programming in Java, Spring, and JavaScript Object-Oriented Programming languages. Experience developing RESTful microservices using Spring, Spring Boot, and…
Added 25 mins ago
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Senior Software Engineer
Walmart
LOS ANGELES, CA
- $189,051 to $216,000 USD / year
Skills Required: Experience designing and implementing RESTful web services using JAVA. Experience with Core Java and object-oriented programming. Experience with Spring Framework for…
Added 25 mins ago
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $143,104 to $216,000 USD / year
…designing software using object-oriented programming languages (Java and C#); designing systems for scalable software architecture; building queries for pulling deployment data for…
Added 25 mins ago
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $143,104 to $216,000 USD / year
…back-end services and data. Design and development using Python, Java, PHP, HTML/CSS, C#, Scale, React, JavaScript, Typescript, Swift, Kotlin, Go, SQL or related technologies. Develop and…
Added 25 mins ago
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $206,086 to $216,000 USD / year
…Confluence. Experience with programming languages including Java and JavaScript, and related frameworks including Spring Boot. Experience designing and developing large-scale and…
Added 25 mins ago
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $143,104 to $216,000 USD / year
Skills required: Experience coding in an object-oriented programming language (Java, Python, and C++). Experience designing and implementing REST API web services in JAVA. Experience using…
Added 25 mins ago
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $143,104 to $216,000 USD / year
Skills Required: Experience with Java, Spring, Hibernate, and Apache frameworks. Experience designing and architecting large scale distributed systems with a focus on scalability,…
Added 25 mins ago
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Senior, Software Engineer
Walmart
SUNNYVALE, CA · BENTONVILLE, AR
- $90,000 to $234,000 USD / year
As a Senior Software Engineer, you will lead the delivery of scalable software solutions by managing feature development, testing, and ongoing support within collaborative teams. This role…
Added 25 mins ago
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $143,104 to $216,000 USD / year
Skills required: Experience developing Scalable Server-Side application using backend Coding languages Python and Java. Experience designing scalable system architectures and technical…
Added 25 mins ago
Senior Graph Developer - Application Development
United Airlines
Chicago, IL
We are seeking an experienced and passionate Senior Knowledge Graph Developer to design, build, and scale our enterprise knowledge graph initiatives. In this role, you will be the technical…
Added 28 mins ago
Senior Software Engineer, RF Spectrum Solutions
Battelle
Columbus, OH · COLUMBUS, OH
Proficiency in one or more of the following: C++, Python, Java, Rust
Added 33 mins ago
Senior Software Engineer
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The Senior Software Engineer will be responsible for the design, documentation, development, and testing of new and existing Software solutions within the Digital Workflow Solutions…
Added 54 mins ago
Senior Software Engineer-AI Enabled Product Development
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Dallas, TX
As a Senior Software Engineer, you’ll join at an early stage and help build this capability from the ground up, using modern software engineering practices alongside rapidly evolving AI…
Added 54 mins ago
Principal Software Engineer - AI Enabled Product Development
Infor
Dallas, TX
…established patterns and processes, you’ll be part of a small, senior technical team bringing a product engineering mindset to an environment that has traditionally been more…
Added 54 mins ago
Principal Software Engineer - AI Enabled Product Development
Infor
Atlanta, GA
…established patterns and processes, you’ll be part of a small, senior technical team bringing a product engineering mindset to an environment that has traditionally been more…
Added 54 mins ago
Senior Software Engineer-AI Enabled Product Development
Infor
Atlanta, GA
As a Senior Software Engineer, you’ll join at an early stage and help build this capability from the ground up, using modern software engineering practices alongside rapidly evolving AI…
Added 1 hour ago
Confluent - Senior Security Engineer (Sr. AppSec)
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Armonk, NY · POUGHKEEPSIE, NY
Experience in Go, Python, or Java, with the ability to design and build scalable security automation frameworks.

Amazon Development Center U.S., Inc.

Sr.Software Dev Engineer, DDB Index and Search

Seattle, WA, United States

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Job details

Posting language: English
Posted: Oct 29, 2026

Original job description

Senior Software Development Engineer, DynamoDB Search and Indexing

Amazon DynamoDB is looking for a Senior Software Development Engineer to help build two new initiatives: native vector, full-text, and hybrid search; and Krupa, which aims to provide strongly consistent global secondary indexes (GSIs). These initiatives expand how customers access operational data - from finding semantically relevant results to querying current data through alternate keys.

You will work on problems at the intersection of database internals, distributed systems, information retrieval, and consistency protocols. This role offers the opportunity to shape foundational architecture, write performance-critical software, and lead engineering work across multiple DynamoDB components.

Search introduces a new set of indexing and retrieval challenges. How do you organize high-dimensional vectors across a partitioned dataset? Combine approximate nearest-neighbor retrieval with selective attribute filters? Rank results that mix semantic similarity and keyword relevance? You will help build the infrastructure behind these capabilities, including vector and inverted indexes, distributed query execution, and hybrid ranking. Your designs will balance recall, relevance, latency, freshness, and cost while the underlying data changes continuously.

Krupa addresses a different foundational problem: strongly consistent access through GSIs. Asynchronous index propagation creates a gap between a successful table write and its visibility in an index. Closing that gap requires reasoning about updates across independently partitioned table and index data, concurrent operations, transaction interactions, and partial failures. You will help design and implement the mechanisms that preserve these guarantees through retries, recovery, and changes in partition ownership.

Across these initiatives, the engineering challenge extends through the entire index lifecycle. Indexes must be built over existing data while writes continue, maintained as workloads evolve, and recovered when machines fail. You will work closely with engineers across storage, replication, transactions, routing, and the control plane to make these capabilities correct, performant, and operable.

As an SDE III, you will own significant technical decisions and carry them through implementation, validation, launch, and production operation. You will lead designs spanning component boundaries, identify risks early, and create interfaces and implementation plans that enable other engineers to deliver independently. This is an opportunity to combine deep systems engineering with technical leadership on new DynamoDB capabilities.

Key job responsibilities

Own architecture and implementation. Lead substantial work across search and indexing, translating ambiguous requirements into precise designs, working software, and measurable customer outcomes.
Build vector and text retrieval infrastructure. Develop vector indexing, approximate nearest-neighbor search, inverted indexes, text analysis, and relevance scoring.
Deliver distributed search execution.Design partition selection, query fan-out, filter execution, candidate retrieval, top-k merging, and hybrid ranking using techniques such as rank fusion or reranking.
Develop strongly consistent indexing mechanisms. Design and implement coordination between table mutations and index visibility, including concurrent updates, index-key changes, retries, and failure recovery.
Build the index lifecycle. Deliver online creation, backfill, incremental maintenance, compaction, rebalancing, and deletion while customer traffic continues.
Make guarantees testable. Define correctness invariants and search-quality criteria; build concurrency tests, failure-injection scenarios, and benchmarks that expose architectural weaknesses.
Optimize the complete system. Investigate CPU, memory, storage, and network bottlenecks; quantify tradeoffs among retrieval quality, coordination overhead, write amplification, throughput, and tail latency.
Lead across teams. Resolve design questions with partner teams, define clear contracts, and drive changes that span storage, replication, transactions, and query processing.
Raise engineering capability. Mentor engineers, lead design and code reviews, and break complex work into independently deliverable pieces with clear testing and rollout plans.
Own production outcomes. Build diagnostics and recovery mechanisms, participate in operations, and use production evidence to improve architecture and reliability. Basic qualifications
5+ years of non-internship professional software development experience
5+ years of programming with at least one software programming language experience
5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
Experience as a mentor, tech lead or leading an engineering team
5+ years of non-internship professional software development experience, or Bachelor's degree in computer science or equivalent
5+ years of programming with at least one software programming language experience, or Bachelor's degree or foreign equivalent in computer science or equivalent
Experience leading the design or architecture of distributed systems, databases, search infrastructure, storage engines, or comparable data platforms.
Strong understanding of algorithms, data structures, concurrency, and system performance.
Experience leading technical work across multiple engineers or teams and mentoring other engineers.
Experience taking complex systems through implementation, testing, deployment, and production operation. Preferred qualifications
5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Bachelor's degree in computer science or equivalent
- Depth in one or more of the following areas:
Vector search, approximate nearest-neighbor algorithms, full-text retrieval, or hybrid ranking.
Secondary indexes, distributed transactions, replication, concurrency control, or consistency protocols.
Storage engines, including logging, LSM trees, compaction, caching, snapshots, and recovery.
Knowledge of vector-indexing approaches such as HNSW, IVF, clustering, or product quantization.
Knowledge of inverted indexes, BM25, query planning, filtering, or distributed top-k retrieval.
Experience with online backfills, partition splits, rebalancing, or recovery under concurrent writes.
Experience with formal modeling, deterministic simulation, fault injection, or performance and retrieval-quality benchmarking.
Experience developing systems software in Java, Rust, C++, or a comparable language.

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.

USA, WA, Seattle - 168,100.00 - 227,400.00 USD annually

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