36 sr api developer jobs at 19 companies in Richmond, IN
1w
Save
Mark Applied
Hide
Sr. Engineer, Software Development
New York City or Birmingham or Miami or Tampa or Blue Ash or Cincinnati or Los Angeles or San Francisco
$121k-$173k/yr HybridFull Time
5+ YOE5+ years software engineering experience with secure API/microservice development, cloud (Azure) and observability; 1+ year technical leadership; fintech or BaaS experience preferred.
C#, .NET, SQL, APIM, Azure SQL, Cosmos DB, Key Vault, Service Bus, Event Hubs, Datadog, Grafana, Git, OAuth2, Open API
2mo
Save
Mark Applied
Hide
Software Engineer and Developer
Beavercreek, Ohio, United States
OnsiteFull Time
4+ YOE4+ years software engineering; Python; AWS; NoSQL databases; API development; TS/SCI clearance; BS or MS with related experience.
Python, AWS, NoSQL, Docker, PyTorch, TensorFlow, API development
2mo
Save
Mark Applied
Hide
Software Engineer II
Columbus or Hamilton
OnsiteFull Time
5+ YOE5+ years software development experience, bachelor’s degree preferred, backend and full-stack development, REST API design, SQL proficiency, Git and containerized workflows, mentorship experience.
Go (Golang), Angular, TypeScript, Microsoft SQL Server, Docker, Kubernetes, Docker Swarm, RabbitMQ, Redis, Datadog, Prometheus, Grafana, GitHub Actions, OpenAPI/Swagger, Git, SQL
2mo
Save
Mark Applied
Hide
Software Engineer II
Columbus or Hamilton
OnsiteFull Time
5+ YOEBachelor's degree preferred or equivalent experience, 5+ years software development, experience mentoring engineers, backend and full-stack development, REST API design, SQL, Git, and containerized environments.
Go (Golang), Angular, TypeScript, Microsoft SQL Server, SQL, Docker, Docker Swarm, Kubernetes, RabbitMQ, Redis, Datadog, Prometheus, Grafana, GitHub Actions, OpenAPI/Swagger, Git, RESTful APIs
2mo
Save
Mark Applied
Hide
Salesforce Developer Technical Lead
West Chester, Ohio, United States
OnsiteFull Time
5+ YOE5+ years Salesforce development with Apex, LWC, Visualforce; Platform Developer I required (PDII preferred); experience rebuilding/customizing CPQ, middleware integration (Dell Boomi/MuleSoft/Informatica), REST/SOAP APIs, and enterprise data patterns.
Apex, Visualforce, Lightning Web Components, SOQL, SOSL, Salesforce CPQ, Salesforce Flow, Dell Boomi, MuleSoft, Informatica, REST, SOAP, Salesforce Connect, ServiceMax, Oracle EBS R12, Oracle SOA Suite, Marketo, Conga Composer, Conga Sign
1w
Save
Mark Applied
Hide
GoLang Backend Developer
Mason or Woodland Hills
OnsiteContract
12+ YOEStrong Go (Golang) backend development with microservices, RESTful APIs, Docker/Kubernetes, SQL/NoSQL, cloud platforms, CI/CD, unit testing, distributed systems, messaging, IaC (preferred), and security best practices.
Go (Golang), Docker, Kubernetes, PostgreSQL, MySQL, MongoDB, DynamoDB, AWS, Azure, GCP, Git, CI/CD, Terraform, Helm, Kafka, RabbitMQ
4d
Save
Mark Applied
Hide
Information Security Sr Advisor - Automation Engineer
Atlanta or Mason or Indianapolis or Grand Prairie or Louisville
HybridFull Time
8+ YOEBS/BA and minimum 8 years in systems administration/information security; experience with cloud-native automation, access management, cryptography, APIs, containers, CI/CD, and secure development; CISSP preferred.
Python, Java, Go, REST APIs, AWS, EKS, IAM, Docker, Kubernetes, GitHub Actions, Jenkins, GitLab CI, Terraform, ServiceNow, Kafka, SNS, SQS
2mo
Save
Mark Applied
Hide
Software Engineer II
Columbus or Hamilton
OnsiteFull Time
5+ YOE5+ years software development; bachelor's in CS or equivalent; mentorship experience; backend and full-stack skills; REST API, SQL, Git, containers, and CI/CD experience.
Git, Go (Golang), Angular, TypeScript, Microsoft SQL Server, Docker, Docker Swarm, Kubernetes, RabbitMQ, Redis, Datadog, Prometheus, Grafana, GitHub Actions, OpenAPI/Swagger
1mo
Save
Mark Applied
Hide
Senior Software Developer/Engineer
Sharonville, Ohio, United States
HybridFull Time
5+ YOEBachelors (or equivalent) and 5+ years Java and Spring Boot experience building microservices, REST APIs, messaging (Kafka/RabbitMQ), connectors/integrations, CI/CD, Docker/Kubernetes, and Agile/SAFe participation.
Java, Spring Boot, Spring, Angular, React, Vue, SQL, NoSQL, Kafka, RabbitMQ, Camunda, Docker, Kubernetes, Git, CI/CD
2mo
Save
Mark Applied
Hide
Senior Software Developer
Muncie, Indiana, United States
OnsiteFull Time
10+ YOETen+ years software development; .NET/.NET Core/C# expert; RDBMS (SQL Server/Postgres); REST APIs; HTML5/CSS/JavaScript/Vue; AWS a plus; BS in Computer Science/Engineering or related field.
.NET, .NET Core, C#, MS SQL Server, Postgres, REST APIs, HTML5, CSS, JavaScript, Vue, AWS
1d
Save
Mark Applied
Hide
Principal Software Engineer
Colorado Springs or Dayton or Herndon
$175k-$200k/yr HybridFull Time
Software development experience with Unix/Linux, microservices, messaging, REST APIs, Agile/DevOps, Python, Java, JavaScript/React, and Cucumber; ability to obtain and maintain Top Secret clearance.
Unix, Linux, RabbitMQ, REST APIs, Agile, DevOps, Python, Java, JavaScript, React, Cucumber, CI/CD, GitHub, GitLab, Jira, Sphinx, NASA GMAT
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Arlington or Woburn or Carlsbad or Aurora or Boston or Dayton or Melbourne
$140k-$170k/yr HybridFull Time
5+ YOEProven Java and Spring development experience, microservices and API design, containerized infrastructure (Docker/Kubernetes), experience with Kafka/NATS and GitLab, Python for AI/data integration, and ability to obtain Top Secret clearance.
Java, Spring Boot, Linux, Docker, Kubernetes, Kafka, NATS, GitLab, Python
2w
Save
Mark Applied
Hide
Enterprise Integration Engineer
Knoxville or Rushville
OnsiteFull Time
5+ YOEDesign and develop enterprise integrations using SQL Server, C#, .NET, Python, REST APIs, ETL and EDI; 5+ years experience preferred; bachelor's degree preferred; strong analytical and communication skills.
Microsoft SQL Server, C#, .NET, Python, REST APIs, ETL, EDI, APIs
1w
Save
Mark Applied
Hide
AI Full Stack Developer
Dayton, Ohio, United States
$63k-$130k/yr OnsiteFull Time
Advanced Python backend and API development, frontend frameworks, relational and vector databases, RAG/LLM integration, containerization and Git; NACI clearance required.
Python, FastAPI, Flask, React, Vue, Streamlit, PostgreSQL, pgvector, Milvus, Chroma, Docker, Podman, Git, Hugging Face, Llama 3, Mistral, vLLM, llama.cpp, GGUF, LangChain, LlamaIndex
1mo
Save
Mark Applied
Hide
Full stack Software Engineer, Senior
Dayton, Ohio, United States
$87k-$198k/yr OnsiteFull Time
6+ YOE6+ years full‑stack software engineering experience; active TS/SCI clearance and willingness to take a polygraph; proficiency with Python, C++, Java/Spring Boot, AWS, Kubernetes, containerization, APIs, and databases; Bachelor’s degree in a STEM field required.
Python, C++, Java, Spring Boot, AWS, Kubernetes, Docker, GitLab CI/CD, Kafka, NiFi, Elasticsearch, OpenSearch, Solr, PostgreSQL, DynamoDB, MongoDB, SQLite, REST, gRPC, GraphQL, Terraform, CloudFormation, FastAPT, Codex, Claude Code, OpenCode, LLMs, AI
3w
Save
Mark Applied
Hide
IT Systems Engineer
Cincinnati, Ohio, United States
OnsiteFull Time
7+ YOE7+ years infrastructure experience with Windows Server, VMware, SAN, backup; 3+ years IAM (Entra ID/SSO/MFA) and cloud (Azure/AWS) experience; PowerShell and API automation; strong networking and troubleshooting skills.
Windows Server, Active Directory, Microsoft 365, Group Policy, VMware, SAN, backup and recovery, Azure, AWS, Entra ID, SQL Server, PowerShell, APIs
3w
Save
Mark Applied
Hide
VP, Staff Cryptography Engineer
Alpharetta or Orlando or Chicago or Costa Mesa or Orlando or New York City or New York City or Charlotte or Stamford or Alpharetta or West Chester
$135k-$230k/yr HybridFull Time
5+ YOE3+ MgmtBachelor's or equivalent with 5+ years experience; 3+ years in cloud, cryptography, and DevSecOps; experience with PKI, key/secrets management, API security, and regulatory frameworks; strong communication and leadership skills.
API, AWS Certificate Manager, KMS, Private CA, Secrets Manager, Azure Key Vault, Cloudera, Cloudbees/Jenkins, CI/CD, GCP Cloud KMS, GCP Secret Manager, Git/Github, Go, HashiCorp Vault, Java, Linux, Perl, PKI, Python, Terraform
2mo
Save
Mark Applied
Hide
Engineer Principal – Systems – Sensor Model Development
Fairborn, Ohio, United States
$107k-$183k/yr OnsiteFull Time
6+ YOEBachelor's in engineering or related field plus 6+ years experience, active or obtainable Top Secret/TS-SCI clearance, ML model development and validation experience, Python and ML library proficiency, and strong analytic and communication skills.
Python, scikit-learn, TensorFlow, PyTorch, Docker, Git, API, MBSE
1mo
Save
Mark Applied
Hide
Sr Director Software Engineering
Philadelphia or Dayton or Houston or Gainesville or St Louis
$157k-$291k/yr OnsiteFull Time
Experienced technology leader with proven ability to lead cross-functional engineering teams, drive cloud modernization, platform and API-first architectures, adopt AI-assisted development responsibly, and partner with product and data stakeholders.
Claude Code, Copilot, ScienceDirect, Scopus, SciVal, ClinicalKey, Sherpath
1mo
Save
Mark Applied
Hide
Data & ML Engineer
Mason, Ohio, United States
OnsiteFull Time
Bachelor's in CS/Engineering, proven experience as Data/ML/Platform Engineer, strong Azure and big-data experience, proficiency in Python/Scala/SQL, production-grade data pipelines, and authorization to work in the U.S. (no visa sponsorship).
Azure, AWS, GCP, Python, Scala, SQL, Spark, Kubernetes, Azure Data Factory, Azure Data Lake, Synapse, Delta, Parquet, JSON, CSV, Azure Databricks, MLFlow, Docker, AKS, APIs, Airflow, SAP CDC, CI/CD, MLOps, DevOps