41 sr api developer jobs at 28 companies in Winters, CA
3d
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Senior Software Developer
Sacramento or Sacramento County
$7k-$11k/mo HybridFull Time
Object-oriented software development, business analysis, coding, troubleshooting, SDLC collaboration, and strong communication; relevant experience with C# .NET, web services, APIs, SQL Server, and Azure DevOps preferred.
C#, JavaScript, C#.NET, ASP.NET, Microsoft Visual Studio, Microsoft SQL, Bootstrap, JQuery, Azure DevOps, Microsoft .NET Framework, Systems Development Lifecycle (SDLC), SQL Server Integration Services, SQL Server Reporting Services, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Web Services, Micro Services, APIs, N-tiered architectures
4d
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
3mo
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Senior Software Engineer- Backend
Concord, California, United States
$130k-$150k/yr OnsiteFull Time
4+ YOE4+ years in software development; strong C#, .NET Core, Go; REST APIs; SQL/NoSQL; microservices; Docker/Kubernetes; AI-assisted tools; full-stack knowledge preferred.
C#, .NET Core, Go, SQL, NoSQL, REST, WebSocket, JSON, JavaScript, TypeScript, PostgreSQL, Redis, RabbitMQ, Kafka, Docker, Kubernetes, Git, CI/CD, XUnit, AI-assisted development tools
2d
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Full Stack Software Engineer
Berkeley or California
$157k-$192k/yr HybridFull Time, Contract
8+ YOEBachelor’s degree with 8 years of related experience, or advanced degree with 6 years, or equivalent; Python and JavaScript development, Linux, web APIs, data structures, algorithms, and collaborative communication skills.
Python, JavaScript, Linux, Figma, GraphQL, REST, SOAP, Django, SQLAlchemy, FastAPI, ReactJS, NextJS, Java, Spring, Docker, Kubernetes, Agile, Scrum, Git, GitHub
2d
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Full Stack Software Engineer
Berkeley, California, United States
$157k-$192k/yr HybridFull Time, Contract
8+ YOEBachelor’s degree with 8 years of related experience, or advanced degree with 6 years, plus Python and JavaScript development, Linux, web APIs, scalable systems, and strong analytical and communication skills.
Python, JavaScript, Linux, Figma, GraphQL, REST, SOAP, Django, SQLAlchemy, FastAPI, ReactJS, NextJS, Java, Spring, Docker, Kubernetes, Agile, Scrum, Git, GitHub
3d
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Senior Back End Developer (C#)
Berkeley, California, United States
RemoteFull Time
5+ YOE5+ years building C# web applications and backend APIs; architecture, microservices, legacy modernization, MS SQL, API design, testing, CI/CD, Git, secure coding, AI tools, and intermediate-plus English.
C#, .NET Core, .NET Framework 4.8, MS SQL Server, RabbitMQ, REST, GitHub Copilot, Cursor, Claude Code, ChatGPT, NUnit, xUnit, FluentAssertions, Moq, CI/CD, Git, LLM, RAG, MCP
3mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
1mo
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Platform Engineer - System Infrastructure Engineer
Berkeley, California, United States
$90/hr HybridContract, Temporary
6+ YOESenior software engineer with API and web services experience on Linux, strong skills in C/shell/Python, Git and CI/CD, containerization (Docker/Kubernetes), DBs (MongoDB/MySQL/Postgres), OpenAPI, and 6+ years relevant experience.
C, Shell, Python, Git, CI/CD, MongoDB, MySQL, PostgreSQL, Docker, Kubernetes, Spin, OpenAPI, Linux, AI, machine learning
2mo
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Software Engineer
Petaluma, California, United States
OnsiteFull Time
7+ YOE7–15 years software experience; 50-mile radius of Petaluma; US work authorization; IoT/hardware-adjacent Linux work; Java/Spring, Python/Django, React; PostgreSQL/MySQL; AWS; Docker; CI/CD; REST API design; multi-layer stack experience.
Java, Spring Boot, Python, Django, React, PostgreSQL, MySQL, AWS, Docker, CI/CD, OpenAPI/Swagger
2mo
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Senior Software Engineer - Salesforce
Oakland or Alpharetta or Rancho Cordova
HybridFull Time
4+ YOEBS in Computer Science; 4+ years Salesforce platform experience (Apex, LWC, Flows, Flow Orchestration, Sales Cloud); Health Cloud; Partner Portals/Experience Cloud; Data Cloud; Revenue Cloud; Agentforce; Salesforce Certifications (Platform Developer I/II, Administrator); API/integration experience; security/data modeling knowledge; agile experience...
Apex, Lightning Web Components, Salesforce Flows, Flow Orchestration, Sales Cloud, Health Cloud, Partner Portals, Experience Cloud, Data Cloud, Revenue Cloud, Agentforce, AI/LLMs, OpenAI, Anthropic, REST, SOAP, Platform Events, Git, Copado, Gearset, CI/CD
3mo
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Senior Research Engineer - Voleon Securities
New York City or Berkeley
$225k-$310k/yr HybridFull Time
5+ YOE5+ years software engineering; backend/distributed systems; Python/Go/C++; databases and APIs; strong collaboration.
Python, Go, C++, PostgreSQL, MySQL, Cassandra, DynamoDB, SQLite, DuckDB, MongoDB, REST, gRPC
3mo
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Senior Rendering Engineer
Novato or Montréal
$109k-$161k/yr HybridFull Time
5+ YOE5+ years’ industry experience; BS in Computer Science or related field; shipping at least one AAA game; strong C/C++ and 3D math; experience with modern GPUs, low-level graphics APIs, and Unreal Engine; proficient with graphics tools.
C/C++, Unreal Engine, Graphics Debugging Tools, Performance Profiling, Houdini, Substance Painter, Z-Brush
1mo
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Senior Software Engineer, Full-Stack (Power Packs)
California or San Francisco or Oakland or Berkeley or Santa Ana or New Jersey or Texas or Florida or Japan or Shanghai or Hong Kong or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
5+ YOE5+ years engineering experience with strong backend focus, 3+ years Java and Spring Boot, frontend experience with Javascript/Typescript/React/NextJS, database and containerization experience, API design, and familiarity with Agile and AI tooling.
Javascript, Typescript, React, NextJS, Java, Spring Boot, PostgreSQL, DynamoDB, Docker, Kubernetes, ECS, Claude, Apache Kafka, Python, pytest, unittest, AWS, AWS Lambda, Svelte, SvelteKit, Twitch
1w
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Staff Replication Development Engineer
Sacramento, California, United States
HybridFull Time
8+ YOE8+ years in distributed or storage systems; strong C++, Go, Java or Rust skills; experience building replication, data pipelines, REST APIs; knowledge of distributed systems, networking, TLS, checksums, and observability.
C++, Go, Java, Rust, TCP/IP, HTTP/HTTPS, TLS 1.3, REST API
2w
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Senior Forward Deployed Engineer
Boston or Berkeley
$120k-$180k/yr HybridFull Time
5+ YOE5+ years in solutions engineering or technical consulting, Bachelor's in CS/Engineering, experience with Python/Java/APIs, cloud platforms, strong communication and problem-solving skills.
Python, Java, APIs, AWS, Google Cloud, Azure
1mo
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Full Stack Software Engineer
Gold River, California, United States
$90k-$150k/yr OnsiteFull Time
5+ YOE5+ years engineering experience; strong Java (Java 17) and Spring Boot skills; JavaScript/TypeScript front-end experience (Angular or React); MongoDB/NoSQL, REST APIs, Git, CI/CD; familiarity with Salesforce, AWS, and AI-assisted tooling.
Java 17, Spring Boot 3.x, JavaScript, TypeScript, Angular, React, Redux, Vite, MUI, Deck.gl, MongoDB, NoSQL, REST API, Salesforce, QuickBooks, AWS, S3, JWT, OAuth2, Git, CI/CD, Claude Code, Copilot, MuleSoft, Google Maps APIs
2mo
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Forward Deployed Engineer
Sacramento, California, United States
$121k-$173k/yr RemoteFull Time
8+ YOE8+ years in customer-facing engineering roles; hands-on software engineering; experience with APIs, Kubernetes, cloud-native infra; automation, CI/CD, IaC; strong Linux, networking, and cloud skills; proficient in Python/Go/Java/JS/Lua.
Kubernetes, GitOps, Terraform, Helm, Ansible, CI/CD, Linux, Python, Go, Java, JavaScript, Lua, OpenAPI, API gateways, Cloud platforms (AWS/Azure/GCP)
1mo
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Intapp Applications Engineer
Los Angeles or Boston or Tampa or New York or Orange County or Sacramento or Washington, D.C. or Chicago or San Diego or San Francisco or Albany
$140k-$170k/yr OnsiteFull Time
7+ YOE7+ years IT experience (5+ in enterprise application admin); hands-on Intapp Conflicts/Open/Walls/Workspaces and Integration Builder experience; SQL/SQL Server, API/REST/SOAP, Microsoft Azure, Azure AD, Microsoft 365; SDLC and stakeholder communication skills.
Intapp Open, Intapp Conflicts, Intapp Walls, Intapp Terms, Intapp Integration Builder, Intapp Workspaces, Elite 3E, iManage, SQL Server, SSRS, REST, SOAP, FTP, Microsoft Azure, Azure Active Directory, Microsoft 365, Confluence, JIRA, Azure DevOps, ServiceNow, Cherwell
3w
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SAP ABAP Developer with O2C & P2P
Folsom, California, United States
$140k-$160k/yr OnsiteFull Time
8+ YOEStrong ABAP (RICEF, OO ABAP) skills with O2C and P2P functional knowledge; S/4HANA, CDS Views, integrations (BAPI/RFC/IDoc); 8+ years experience.
SAP ABAP, BADIs, User Exits, BAPIs, RFC, IDocs, SmartForms, SAP script, Adobe Forms, S/4HANA, CDS Views, ALV, Module Pool, Dialog Programming, SAP Fiori, UI5, SAP BTP, RAP, APIs, Open SQL
3w
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Sr. Client Manager
New York City or Lafayette or Chicago
$70k-$100k/yr HybridFull Time
3+ YOE3+ years in client success, client management, HR tech, recruitment marketing or related; enterprise client management, analytics interpretation, recruitment marketing and HR technology knowledge, strong communication and presentation skills.
Google Ads, Meta Ads Manager, Looker, Tableau, Power BI, APIs