Top Senior Software Engineer Jobs in Buffalo, NY

Reposted 16 Days AgoSaved
Easy Apply
Remote
Buffalo, NY
Easy Apply
169K-240K Annually
Senior level
169K-240K Annually
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
As a Senior Software Engineer in ZT1, you will lead backend system development, manage projects, and influence product direction in a fast-paced, AI-centric environment.
Top Skills: AWSKotlinKubernetesMySQLPythonReactVue
Reposted 16 Days AgoSaved
Easy Apply
Remote
Buffalo, NY
Easy Apply
169K-240K Annually
Senior level
169K-240K Annually
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
Responsible for leading a team to improve developer productivity, managing projects, and ensuring high-quality code delivery while collaborating across teams.
Top Skills: AWSKotlinKubernetesMySQLPython
Reposted 17 Days AgoSaved
Remote
Buffalo, NY
173K-203K Annually
Senior level
173K-203K Annually
Senior level
Healthtech • Social Impact • Software • Telehealth
Design and build scalable, reliable backend systems and third-party integrations for provider-patient workflows and telehealth. Drive development lifecycle, solve complex technical challenges, and collaborate cross-functionally to ensure performance, security, and availability.
Top Skills: AWSKafkaNode.jsTypescript
17 Days AgoSaved
Easy Apply
Remote or Hybrid
Buffalo, NY
Easy Apply
126K-248K Annually
Senior level
126K-248K Annually
Senior level
Big Data • Cloud • Software • Database
Design, build, and operate multi-tenant elastic storage control-plane services. Ensure high availability and performance, run observability and on-call practices, lead complex projects, collaborate cross-functionally, mentor junior engineers, and contribute to scaling services handling petabytes of data.
Top Skills: C/C++ContainerizationDashboardsKubernetesRustTime Series Metrics
Reposted 11 Days AgoSaved
Remote
Buffalo, NY
150K-180K Annually
Senior level
150K-180K Annually
Senior level
Information Technology
The Software Engineer will develop customer-facing integrations, build APIs, enhance security, and improve system reliability while collaborating with multiple teams.
Top Skills: AWSGoNode.jsPostgresReactTypescript
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
147K-225K Annually
Senior level
147K-225K Annually
Senior level
Cloud • Internet of Things
Design and evolve data pipelines, ensure accuracy of business datasets, improve data reliability, and partner across teams to provide insights and solutions.
Top Skills: AirbyteApache IcebergAthenaAWSC++ClickhouseDagsterDbtFlinkGoJavaKafkaKubernetesPostgresProtobufPythonReactRustScalaSQLSupersetTerraformTypescript
Reposted 12 Days AgoSaved
Remote or Hybrid
Buffalo, NY
125K-135K Annually
Senior level
125K-135K Annually
Senior level
Healthtech
As a Software Engineer II, you will design, build, and maintain applications for a healthcare quality data platform, collaborating with teams to develop features and ensure high standards of performance and security.
Top Skills: AIGraphQLPostgresReactRubyRuby On Rails
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
150K-250K Annually
Senior level
150K-250K Annually
Senior level
eCommerce
Develop and enhance the new Stores platform while supporting various e-commerce tools to improve seller success online.
Top Skills: DockerGoGoogle Cloud PlatformGraphQLKubernetesPostgresRedisTypescript
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
160K-190K Annually
Senior level
160K-190K Annually
Senior level
Artificial Intelligence • Cloud • Healthtech • Software
As a Senior Backend Software Engineer at Archy, you will lead major product updates, ensuring system stability and scalability, while collaborating with cross-functional teams to enhance dental practice management solutions.
Top Skills: Ai ToolsJava Spring BootReactTypescript
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
160K-190K Annually
Senior level
160K-190K Annually
Senior level
Artificial Intelligence • Cloud • Healthtech • Software
As a Senior Frontend Software Engineer, you'll lead the development of major features using React and TypeScript, ensuring performance and integration with backend systems. You'll also manage releases, improve team efficiency, and contribute to a customer-centric product experience.
Top Skills: Ai ToolsJava Spring BootReactTailwindTypescript
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
190K-220K Annually
Senior level
190K-220K Annually
Senior level
Artificial Intelligence • Cloud • Healthtech • Software
The Staff Backend Software Engineer will lead the design and architecture of the backend systems, manage the delivery of product updates, and integrate AI tools to enhance the platform's functionality and performance.
Top Skills: Ai ToolsJavaReactSpring BootTypescript
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
146K-235K Annually
Senior level
146K-235K Annually
Senior level
Information Technology • Software
As an SDK Software Engineer, you will develop and maintain AI SDKs, collaborate with teams, and contribute to open-source projects.
Top Skills: OpenaiPythonTypescriptVercel Ai Sdks
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Reposted 12 Days AgoSaved
Remote
Buffalo, NY
Senior level
Senior level
Artificial Intelligence • Legal Tech • Natural Language Processing • Generative AI
Design and implement front-end features, build high-quality user interfaces, take ownership of product and architecture decisions, collaborate with engineering team, and deliver performant, user-focused solutions.
Top Skills: AWSDockerElasticsearchJavaNextjsPostgresReactReduxTypescript
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
227K-253K Annually
Senior level
227K-253K Annually
Senior level
Consumer Web • Other • Social Media • Software
Seeking experienced Senior Backend Engineers to join a collaborative team, focusing on backend systems, shared services, and product features aimed at improving user experiences and monetization.
Top Skills: DynamoDBJavaPostgresPython
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
140K-190K Annually
Senior level
140K-190K Annually
Senior level
Artificial Intelligence • Legal Tech • Natural Language Processing • Generative AI
Senior backend engineer responsible for designing and implementing new features, scaling and optimizing the platform, improving Postgres and Elasticsearch performance, fine-tuning LLMs, and making architectural decisions. Collaborate with engineering team, take ownership of features, write performant, maintainable code, and help shape product and infrastructure for data-intensive applications (NLP, search, indexing).
Top Skills: AWSDaggerDockerDropwizardElasticsearchIndexingJavaJava 21JooqKerasLlmsNlpPostgresSearchTensorFlow
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
150K-250K Annually
Senior level
150K-250K Annually
Senior level
Fintech • Financial Services
The Software Engineer will develop and support the MEMX Trading system, focusing on high throughput event-sourcing applications and resolving production issues.
Top Skills: ConfluenceGitGradleJavaJenkinsJIRAJunitLinuxWireshark
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
80-100 Hourly
Senior level
80-100 Hourly
Senior level
Big Data • Fintech • Database • Analytics • Financial Services
The Senior Svelte Software Engineer will develop high-quality, scalable Svelte web components, collaborate on design systems, and ensure component reliability.
Top Skills: APIsBuild SystemsComponent-Driven ArchitectureCSSHTMLJavaScriptSvelteTypescript
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
195K-220K Annually
Senior level
195K-220K Annually
Senior level
Information Technology • Legal Tech • Software
As a Staff Software Engineer, you will design and implement backend services, write primarily in Scala, and improve product architecture in collaboration with teams.
Top Skills: AWSElasticsearchGraphQLPostgresScalaTypescript
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
170K-220K Annually
Senior level
170K-220K Annually
Senior level
Software
The Senior Full Stack Software Engineer will oversee technical development in a B2B SaaS healthcare environment, mentor junior engineers, and lead product features.
Top Skills: AngularEmberLaravelMssqlMySQLNode.jsPHPPostgresReactRubyVue
Reposted 12 Days AgoSaved
Remote
Buffalo, NY
114K-152K Annually
Senior level
114K-152K Annually
Senior level
Marketing Tech • Software
As a Senior Software Engineer, you'll build AI-powered features, integrate LLMs, design scalable systems, mentor teammates, and collaborate to enhance user experiences.
Top Skills: AWSGenerative Ai FrameworksJavaScriptLlmsNext.JsPythonReactTypescript
12 Days AgoSaved
Remote
Buffalo, NY
Senior level
Senior level
Software • Manufacturing
Design, implement, and ship end-to-end features across backend services and a React web client for a multi-tenant ERP. Own schema design, migrations respecting row-level security, integrations with platform services, and deliver high-quality, performant code with CI/CD, tests, and code review. Leverage AI coding assistants responsibly and collaborate cross-functionally to evolve shared platform libraries and developer tooling.
Top Skills: Aws BedrockAws CdkAws EcsAws RdsAws S3Ci/CdClaude CodeCopilotCursorDocument IntelligenceExpressFastifyGitHibernateLlmMikroormNestjsNode.jsPostgresPrismaRagReactTypeormTypescript
Reposted 17 Days AgoSaved
Remote or Hybrid
Buffalo, NY
125K-150K Annually
Senior level
125K-150K Annually
Senior level
AdTech • Consumer Web • Digital Media • eCommerce • Marketing Tech
The Senior Software Engineer will design and build scalable AI/ML backend systems, develop data pipelines, and collaborate with cross-functional teams to implement ML-driven features while ensuring system performance and documentation.
Top Skills: Apache AirflowApache BeamAWSDockerElasticsearchGCPGrafanaKafkaKibanaKserveKubernetesNode.jsPythonTypescriptVector DatabaseVertex Ai
Reposted 17 Days AgoSaved
Easy Apply
Remote or Hybrid
Buffalo, NY
Easy Apply
196K-294K Annually
Senior level
196K-294K Annually
Senior level
Artificial Intelligence • Cloud • Software
As a Senior Software Engineer in Trust & Safety, you'll analyze threats, design systems for abuse detection, and collaborate with teams to implement scalable defenses.
Top Skills: AWSJavaScriptLlmPythonTypescript
18 Days AgoSaved
Remote or Hybrid
Buffalo, NY
Senior level
Senior level
Software
Design, implement, and improve significant features in HCSS products. Analyze product architecture and databases for ROI-driven improvements. Lead code reviews, mentor junior developers, collaborate to enhance infrastructure, reliability, and CI/CD practices.
Top Skills: .Net.Net CoreApp InsightsApp Service PlansAsp.Net MvcAzure App ServicesAzure FunctionsBuild And Release PipelinesC#Ci/CdCSSDapperEntity FrameworkInfrastructure-As-CodeJavaScriptReactRestful ApisSlot-Based DeploymentSQLTsqlTypescript
Reposted 12 Days AgoSaved
In-Office or Remote
Buffalo, NY
Senior level
Senior level
Software
Design and implement DataPath on silicon. Write efficient, modular code with thorough testing. Requires experience in packet forwarding and virtualized Linux environments.
Top Skills: C/C++DockerDpdkIpKvmMplsSegment RoutingVxlans
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