62 api developer jobs at 28 companies in Middleburg, FL
3d
Save
Mark Applied
Hide
Lead API & Microservice Integration Engineer, VP
Irving or Jacksonville
$126k-$189k/yr HybridFull Time
6+ YOERequires expert Java and Spring expertise, API governance, microservices, enterprise integration, security, cloud platforms, observability, CI/CD, and architectural leadership; master's degree preferred.
Java, Spring Boot, Spring Cloud, Spring Cloud Gateway, Spring Cloud Config, Spring Cloud Feign, Spring Security, Spring Data, Spring WebFlux, OpenAPI, Swagger, Resilience4j, Apache Kafka, Kafka Streams, IBM MQ, OAuth2, OIDC, SAML, JWT, HashiCorp Vault, OpenTelemetry, Splunk, ELK, Prometheus, Grafana, Gatling, k6, Docker, OpenShift, Kubernetes, Helm, Harness, Tekton, Jenkins, FastAPI, Flask, gRPC, Protocol Buffers, GraphQL, Apache Camel, Spring Integration, PostgreSQL, Oracle, Spring Data JPA, Hibernate, MongoDB, Redis, Elasticsearch, CQRS, OpenShift ECS
3d
Save
Mark Applied
Hide
Lead API & Microservice Integration Engineer, VP
Irving or Jacksonville
$126k-$189k/yr HybridFull Time
6+ YOERequires expert Java and Spring expertise, API governance, microservices, enterprise integration, security, cloud-native platforms, observability, CI/CD, and architectural leadership; 6+ years of Java experience.
Java, Spring Boot, Spring Cloud, Spring Gateway, Spring Config, Spring Feign, Spring Security, Spring Data, Spring WebFlux, OpenAPI, Swagger, Resilience4j, OAuth2, OIDC, SAML, Apache Kafka, Kafka Streams, IBM MQ, Apache Camel, Spring Integration, JWT, HashiCorp Vault, OpenTelemetry, Splunk, ELK, Prometheus, Grafana, Gatling, k6, Docker, OpenShift, Kubernetes, Helm, Harness, Tekton, Jenkins, FastAPI, Flask, gRPC, Protocol Buffers, GraphQL, PostgreSQL, Oracle, Spring Data JPA, Hibernate, MongoDB, Redis, Elasticsearch, CQRS, OpenShift ECS
4w
Save
Mark Applied
Hide
Software Engineer Specialists-Payments API Platform (Real Time & Event Driven)
Jacksonville, Florida, United States
HybridFull Time
10+ YOEBachelor's in CS or related and 10+ years experience designing and developing RESTful and event-driven APIs, implementing OAuth2/JWT/TLS, cloud scalable architecture, and CI/CD; Master's +8 years acceptable.
OAuth 2.0, JWT, TLS, Java, Spring Boot, NET Core, Node.js, Python Flask, CI/CD, SAST, DAST
3mo
Save
Mark Applied
Hide
Software Developer
Jacksonville, Florida, United States
OnsiteFull Time
2+ YOE2+ years in full-stack web development with C#, React/JS, HTML/CSS; SOLID OOP; API consumption; BS in CS or related field preferred.
C#, JavaScript, React, HTML, CSS, REST API
1w
Save
Mark Applied
Hide
Software Developer
Jacksonville, Florida, United States
$33-$45/hr OnsiteFull Time
3+ YOEBachelor's degree in a technical field and 3–5 years of software development experience. Requires C#, .NET, Angular, TypeScript, HTML, CSS, JavaScript, SQL Server, REST APIs, testing, and Agile experience.
.NET, Angular, SQL, C#, Angular 2, TSQL, Microsoft SQL Server, HTML5, CSS3, JavaScript, TypeScript, Entity Framework, Entity Framework Core, NgRx, GitHub Copilot, ChatGPT, Codex, RESTful APIs, CI/CD, Agile, Scrum
3w
Save
Mark Applied
Hide
Senior Engineer
Jacksonville, Florida, United States
$110k-$130k/yr OnsiteFull Time
8+ YOE8+ years experience as a MuleSoft developer, API-led integration, Mule 4, DataWeave, RAML/OpenAPI, REST/SOAP, security (OAuth/JWT/TLS/SAML), Java preferred, strong design and mentoring skills.
MuleSoft, Mule 4 runtime, DataWeave 2.0, RAML, OpenAPI, REST, SOAP, Jenkins, JIRA, Github, OAuth, JWT, TLS, SAML, Java, Groovy, JavaScript
3d
Save
Mark Applied
Hide
Integration Engineer, Embedded Finance
Jacksonville or Alpharetta or Berkeley Heights
$78k-$138k/yr OnsiteFull Time
6+ YOERequires 6+ years building API integrations, 6+ years software engineering, 5+ years REST APIs, 4+ years SQL/cloud data, 4+ years client implementations, 3+ years financial systems, and a relevant bachelor's degree or equivalent.
REST, Postman, SQL, Snowflake, Jira, API
1mo
Save
Mark Applied
Hide
Staff Software Engineer
Jacksonville or United States
$131k-$161k/yr HybridFull Time
5+ YOE5+ years professional development experience. Experience with AWS (CloudFront, Lambda, DynamoDB, RDS, VPC, API Gateway), Node JS/TS, Python, Angular, testing (Jest/Karma), HTTP APIs, observability, Microsoft Azure DevOps, and git. Strong security mindset.
AWS, CloudFront, Lambda, DynamoDB, RDS, VPC, API Gateway, Node JS/TS, Python, Angular, Jest, Karma, Microsoft Azure DevOps, git
2d
Save
Mark Applied
Hide
Engineer I
Jacksonville, Florida, United States
OnsiteFull Time
0+ YOEBachelor’s degree in computer science, software engineering, or related field, or equivalent experience; 0–2+ years developing Java applications with Spring Boot, REST APIs, SQL, Git, and web technologies.
Java, Spring Boot, React, RESTful APIs, JUnit, Mockito, SQL, Claude Code, GitHub Copilot, PostgreSQL, Git, Azure DevOps, GitHub Actions, Docker, Azure, AWS, Google Cloud
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Jacksonville, Florida, United States
OnsiteFull Time
Advantage Design Group: Provides interactive, video-driven onboarding and recruiting platforms.
5+ YOE5+ years web development; .NET/C#; ASP.NET Core; SQL Server; REST/SOAP APIs; Azure; CI/CD; mentoring.
.NET Core, C#, ASP.NET Core, SQL Server, Git, Azure, IIS, Kestrel, REST APIs, SOAP, Swagger, Postman, OAuth2, SAML, WCAG, Azure DevOps, CI/CD, Umbraco, Examine search, Docker, Kubernetes, Salesforce integration
1w
Save
Mark Applied
Hide
Junior Security Automation Engineer
Jacksonville, Florida, United States
RemoteFull Time
1+ YOEBachelor's in CS/IT/cybersecurity or equivalent,1–2 years in software/DevOps/automation or equivalent project experience; experience with Python, Linux, REST APIs; relevant certs a plus.
Python, pandas, JSON, CSV, REST API, Linux, RHEL, AKS, Docker, Podman, Dockerfiles, helm, kubectl, Apache Airflow, Git, SQL, Azure Key Vault, Blob Storage, Managed Identity, CompTIA Security+, AZ-900, AZ-104, CKA, PCEP, PCAP
2w
Save
Mark Applied
Hide
Principal Engineer, Full Stack
Jacksonville, Florida, United States
OnsiteFull Time
10+ YOE10+ years software or site reliability engineering experience; strong Java and React (TypeScript) skills; Kubernetes, ArgoCD, CI/CD, and observability tool experience; API and microservices development; mentoring experience.
Spring, React, TypeScript, Java, Kubernetes, ArgoCD, Prometheus, Grafana, Jaeger, OpenTelemetry (OTEL), Istio, Kiali, Crossplane, Postgres, PL/SQL, AWS, OpenShift, Azure DevOps, TFS, Jira, Git, webpack, Claude Code, Codex, OpenCode
4d
Save
Mark Applied
Hide
Software Engineer - IS-Mod
Rochester or Phoenix or Scottsdale or Jacksonville or North America
$102k-$143k/yr HybridFull Time
Bachelor's or associate degree in computer science, engineering, or related field plus experience; requires ServiceNow scripting, integrations, CMDB, REST APIs, and cloud platform knowledge.
ServiceNow, Configuration Management Database (CMDB), Common Service Data Model (CSDM), ServiceNow Discovery, Service Graph Connectors, Azure, Google Cloud Platform (GCP), REST APIs, JavaScript, Python, Glide API, Identification and Reconciliation (IRE), Data Transform Maps, Import Set, Background script, Fix Script, Access Control List (ACL), Script Include, Automated Test Framework (ATF), Flow Designer, Integration Hub, DevOps, Agile, E-Verify
1mo
Save
Mark Applied
Hide
Senior AWS Software Data Engineer
Hazelwood or Jacksonville or Plano or Oklahoma City or Philadelphia
$161k-$217k/yr OnsiteFull Time
8+ YOEBachelor's degree, U.S. person eligible for U.S. security clearance, 8+ years data engineering/software development, 5+ years big-data platform and cloud (AWS/Azure/GCP), experience with data ingestion, APIs, data warehousing, and distributed systems.
AWS, S3, SQS, Lambda, DynamoDB, Amazon OpenSearch, RedShift, DocumentDB, Tanzu, Jira, GIT, Python, JavaScript, SQL, Azure, Google Cloud Platform (GCP), DevOps, DevSecOps, CI/CD
1mo
Save
Mark Applied
Hide
Software Engineer Sr
Farmers Branch or Phoenix or Jacksonville or Pittsburgh or Dallas
OnsiteFull Time
3+ YOE3+ years industry experience, advanced Core Java and Spring Boot microservices, JUnit, Git, REST APIs, OAuth 2.0/JWT, Apigee, Dynatrace, Elasticsearch/Elastic Stack, CI/CD (Jenkins), experience leading/ influencing engineers and resolving production/performance issues.
Core Java, Spring Boot, JUnit, Git, OAuth 2.0, JWT, Apigee, Dynatrace, Elastic Search, Elastic Stack, Jenkins
1mo
Save
Mark Applied
Hide
Associate Full-Stack Developer - onshore
Jacksonville, Florida, United States
₹60k/yr OnsiteFull Time
0+ YOE0–3 years full-stack experience; Bachelor's in Computer Science or related; strong Python and React.js proficiency; experience with testing, CI/CD, REST APIs, Git, and AI-assisted coding tools.
Python, React.js, JavaScript, TypeScript, FastAPI, Flask, Django, Pandas, NumPy, requests, async/await, HTML5, CSS3, Vite, Webpack, pytest, Jest, GitHub Actions, Jenkins, Git, Playwright, Cypress, Next.js, Docker, Kubernetes, Terraform, CloudFormation, Datadog, Prometheus, Grafana
3mo
Save
Mark Applied
Hide
Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
1mo
Save
Mark Applied
Hide
Senior AWS Software Data Engineer
Hazelwood or Jacksonville or Plano or Oklahoma City or Philadelphia
$161k-$217k/yr OnsiteFull Time
8+ YOEBachelors degree, ability to obtain U.S. security clearance, 8+ years data engineering/software development, 5+ years big data and cloud architecture experience (AWS/Azure/GCP), API configuration, and distributed systems deployment.
AWS, Microsoft Azure, Google Cloud Platform (GCP), S3, SQS, Lambda, DynamoDB, Amazon OpenSearch, RedShift, Tanzu, DocumentDB, Python, JavaScript, SQL, Jira, GIT, DevOps, DevSecOps, CI/CD, APIs
2mo
Save
Mark Applied
Hide
CRM Salesforce Developer
Gainesville, Florida, United States
$85k/yr OnsiteFull Time
2+ YOE2+ years Salesforce development/administration; associate degree or 4 years experience; valid driver’s license.
Apex, Lightning Components, Flow, APIs, Gearset, GitLab
1mo
Save
Mark Applied
Hide
Sr. Information Security Engineer - AppSec
Jacksonville, Florida, United States
$99k-$134k/yr OnsiteFull Time
3+ YOE3+ years cybersecurity experience (enterprise preferred), vulnerability assessment and exploitation, experience with vulnerability scanning tools and database scanning (Postgres, Oracle), SAST/DAST/ASM tooling, automation via PowerShell/Python/APIs, and audit/regulatory support.
Postgres, Oracle, SAST, DAST, Attack Surface Management, CVSS, PowerShell, Python, APIs
Explore Jobs