1,066 senior developer jobs at 361 companies in Chillicothe, OH
2mo
Save
Mark Applied
Hide
Senior Cloud Engineer
Columbus or United States
OnsiteFull Time
8+ YOE8+ years software development; strong Python and C#/.NET; AWS experience; REST/microservices; SQL/NoSQL; Git, CI/CD; IaC (CloudFormation/CDK/Terraform); Docker; Agile; AWS Certified Developer – Associate.
AWS, Python, C#/.NET, REST APIs, SQL, NoSQL, Git, CI/CD, Terraform, CloudFormation, CDK, Docker, Kubernetes, API Gateway, S3, RDS, DynamoDB, CloudWatch, SQS, SNS
2mo
Save
Mark Applied
Hide
Senior Software Engineer, AWS
Columbus, Ohio, United States
$109k-$174k/yr HybridFull Time
5+ YOE5+ years in software development; 3+ years AWS-native development; Bachelor’s degree in CS/IT or related field; serverless, containers, CI/CD, relational/NoSQL databases.
AWS, Lambda, ECS, DynamoDB, S3, API Gateway, AppSync, GraphQL, Terraform, CloudFormation, CDK, CloudWatch, X-Ray, GitHub Actions, CodePipeline
2mo
Save
Mark Applied
Hide
Java Developer - Senior
Columbus, Ohio, United States
HybridFull Time
3+ YOEBachelor's in CS or related field; 3+ years API development; 1+ year DevOps; Java/Spring experience; Agile environment.
Java, Spring Framework, REST, Jenkins, Git, Maven, Gradle, Kafka, CI/CD, Docker, Cloud
2mo
Save
Mark Applied
Hide
Senior Software Engineer, Perception Platform
Columbus, Ohio, United States
OnsiteFull Time
5+ YOE5+ years backend Python, gRPC/Protobuf services, containerization, CUDA/PyTorch, Linux, and ML/CV tooling; strong API design and production deployment experience.
Python, C++, gRPC, Protobuf, Docker, Linux, CUDA, PyTorch
2mo
Save
Mark Applied
Hide
Senior AI Full stack Software Engineer
Columbus or United States
$131k-$218k/yr HybridFull Time
10+ YOESenior AI full-stack engineer with 10+ years software experience, 4+ years AI/ML, BS in CS or related field or equivalent experience.
Python, Node.js, LangChain, Pydantic, Semantic Kernel, LlamaIndex, OpenAI, TensorFlow, PyTorch, Docker, Kubernetes, HL7, FHIR, HIPAA
4w
Save
Mark Applied
Hide
Senior Applications Developer
Reynoldsburg, Ohio, United States
$140k-$154k/yr RemoteFull Time
5+ YOEBachelor's in electronics engineering, computer science, IT or related and 5 years' experience with API development and middleware (MuleSoft, Talend, Cleo), integration patterns, SAP/Salesforce/Kronos integrations, Linux administration, and API documentation.
MuleSoft Anypoint Platform Studio, API Manager, Run Time Manager, API Exchange, Talend Data Fabric, Talend Data Integration, Talend ESB, TMC, TAC, Talend API Designer, Cleo, SAP, Salesforce, Kronos, Linux
1mo
Save
Mark Applied
Hide
Starlims Senior Developer
Columbus, Ohio, United States
$115k-$125k/yr HybridFull Time
8+ YOE8+ years STARLIMS (v12+) experience with implementations, REST API integrations, instrument integration, AWS deployment, SQL/PL/SQL, HTML/Sencha development, Agile/JIRA, and GxP/CSV/GAMP 5 compliance.
STARLIMS, AWS, HTML, Sencha, SSL, REST API, Data Capture Utility (DCU), SDMS, MES, Boomi, MuleSoft, HighByte, STARLIMS Advanced Analytics, SQL, PL/SQL, JIRA, Bartender, Crystal Reports, SAP, ETQ, GxP, CSV, GAMP 5
2mo
Save
Mark Applied
Hide
Senior Specialty Protocol Engineer
Iselin or Columbus or Concord
$119k-$224k/yr HybridFull Time
4+ YOE4+ years specialty software engineering; 3+ years backend or systems programming in Go; 6+ months ECC; 1+ year distributed systems; experience with Cosmos SDK, CometBFT.
Go, Cosmos SDK, CometBFT, Tendermint, Pedersen Commitments, Bulletproofs, Sigma protocols, MPC, Ristretto255
3w
Save
Mark Applied
Hide
Senior Software Engineer
Columbus or United States
OnsiteFull Time
7+ YOE7+ years programming experience, bachelor's in CS or related preferred, strong OOP, serverless and microservices experience, AI-assisted development, RESTful APIs and full-stack expertise.
Microsoft Copilot, Claude Code, Cursor, Azure Functions, Azure App Services, Azure Service Bus, Azure Event Grid, Azure Document Intelligence, Azure Storage, C#, .NET 8, SQL, JavaScript, Blazer, Terraform, RESTful APIs
2mo
Save
Mark Applied
Hide
Senior ML Ops Engineer
Columbus, Ohio, United States
$148k-$222k/yr HybridFull Time
Senior ML Ops engineer with strong AWS, SageMaker, Python/Java, Terraform, Docker/Kubernetes; experience with CI/CD, observability, autoscaling, and multi-region deployments; knowledge of ML lifecycle, model serving, and AI tooling.
AWS, SageMaker, Python, Java, Bash, Terraform, Docker, Kubernetes, CI/CD, Jenkins, GitHub Actions, Grafana, CloudWatch, OpenTelemetry, MLflow, SageMaker, Triton, ONNX, PyTorch
1mo
Save
Mark Applied
Hide
Senior Software Engineer, Full Stack
United States or Columbus
$150k-$200k/yr RemoteFull Time
Senior full‑stack engineer with strong TypeScript/React and Node skills, relational data modeling (Postgres/Supabase), security and data isolation experience, and end-to-end product ownership.
TypeScript, React, Node, Postgres, Supabase
2mo
Save
Mark Applied
Hide
Senior Mechanical Engineer - Power (Multiple Locations)
Kansas City or Saint Louis or Denver or Detroit or Chicago or Columbus
$145k-$220k/yr HybridFull Time
7+ YOESenior mechanical engineer with EPC project leadership, design, procurement, and construction responsibilities; 7+ years of experience; PE preferred; FE exam required or completed; ABET-accredited BS in Mechanical Engineering or related field; MS a plus.
AutoCAD, MicroStation, Bluebeam, AFT Fathom, SmartPlant, MS Office, 3D rendering software
2mo
Save
Mark Applied
Hide
Senior Software Engineer, Pricing
United States or Canada or Columbus or Austin or San Francisco or New York City
$167k-$231k/yr RemoteFull Time
5+ YOE5+ years software development; production Python proficiency; experience with Java or Kotlin; building scalable APIs/microservices on AWS or GCP; ownership of multi-month projects; mentoring experience.
Python, Java, Kotlin, AWS, GCP, CI/CD, infrastructure-as-code
1mo
Save
Mark Applied
Hide
Senior Backend Engineer - Java
United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark
$152k-$194k/yr RemoteFull Time
8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.
Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube
2mo
Save
Mark Applied
Hide
Senior Active Directory (AD) Engineer
Bedford or Fort Lee or Carson or Columbus or Smyrna
OnsiteFull Time
8+ YOESenior AD engineer with DoD context; 8-10+ yrs in large, distributed AD; AD DS/ADFS, PKI, ICAM, Entra ID; PowerShell; DoD 8570 IAT II/III.
AD DS, ADFS, Azure AD Connect, PKI, Group Policy, PowerShell
2mo
Save
Mark Applied
Hide
Senior Geotechnical Engineer
Columbus, Ohio, United States
OnsiteFull Time
10+ YOEBachelor degree in Civil Engineering with PE license; 10+ years civil/geotechnical experience; proficient in MS Office; strong communication; able to travel; field and design experience.
1mo
Save
Mark Applied
Hide
AS/400 Senior Developer
Chicago or Dallas or Houston or Atlanta or Washington or Boston or Denver or San Antonio or Miami or Tampa or Columbus or St. Louis or Kansas City
$120k-$150k/yr RemoteFull Time
5+ YOE5+ years experience with AS/400 (IBM i) and RPGLE, SQL, Microsoft Access, OpenEdge Progress, Visual Basic, Linux; bachelor's in CS/IT or equivalent; strong communication and problem-solving skills.
AS/400 (IBM i), RPGLE, VS Code, Code for IBM i, Git, GitHub, Microsoft Access, OpenEdge Progress, Visual Basic, Linux, SQL
1mo
Save
Mark Applied
Hide
OneStream Senior Developer
Chicago or Milwaukee or Dallas or Columbus or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Overland Park or Los Angeles or Charlotte or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Nashville or Detroit or San Diego
$63k-$183k/yr OnsiteFull Time
3+ YOE3+ years OneStream development, 2+ years VB.net or C# and Data Management, 3+ years reporting and leading technical workstreams; OneStream OCA (or willing to certify), Bachelor’s degree or equivalent.
OneStream XF, VB.net, C#, SQL, XML, Sensible AI, CPM Express, Oracle, Hyperion, Cognos TM1, SAP, Anaplan, Adaptive, Host Analytics
1w
Save
Mark Applied
Hide
Senior Software Engineer, Commercial Operations
Columbus, Ohio, United States
$88k-$110k/yr OnsiteFull Time
5+ YOEBachelor's in computer science or related, 5+ years relevant experience, .NET development experience, strong problem-solving and communication skills, ability to work independently and mentor others.
.NET, C#, ASP.NET, .NET Core, .NET 6+, SQL Server, RESTful APIs, Azure
1w
Save
Mark Applied
Hide
Senior Developer
Calgary or Orlando or Edmonton or Scottsdale or Pittsburgh or Toronto or Raleigh or Columbus or Charleston or Vancouver or Winnipeg or Ottawa or Phoenix or Halifax or St. Louis or Moncton
$160k-$200k/yr RemoteFull Time
4+ YOE4+ years Ruby on Rails experience, front-end fundamentals (JavaScript, React), strong SQL and data skills, background with scale/concurrency, testing practice, and Agile experience.
Ruby on Rails, JavaScript, React, React Native, SQL, Git, GitHub, Jira
Explore Jobs