12 back end engineer jobs at 7 companies in Lancaster, OH
4w
Save
Mark Applied
Hide
Senior Cloud/Backend Engineer
New York City or Columbus
$160k-$187k/yr HybridFull Time
6+ YOE6+ years backend/infrastructure experience, located in NY tri-state, strong cloud and database skills, production on-call experience, ability to design and operate scalable systems and mentor other developers.
DataDog, Grafana, Groundcover, ClickHouse, MongoDB, Redis, PubSub, Postgres, BigTable, Firestore, SonicDataFlow, Kubernetes, Knative, GCP, Temporal, Pulumi, Node.js, TypeScript, Python, Git, GitHub, GitHub Actions, CI/CD
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
3d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Junior Backend Java Developer- Enterprise Payments and Credit Card
Minnetonka or Columbus
$52k-$101k/yr OnsiteFull Time
1+ YOEBachelor's degree in CS/MIS, 1+ years software development experience, strong Java and Spring Boot skills, DevOps/CICD experience, familiarity with Kafka, REST/JSON/SOAP, and collaboration in agile teams.
Java, Spring Boot, Eclipse, Maven, Gradle, Kafka, REST, JSON, SOAP, NoSQL, Chef, Puppet, Git, GitHub, Jenkins, JUnit, DevOps, CICD
3d
Save
Mark Applied
Hide
Knowledge Engineer - Back End
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 or United States
$26-$94/hr HybridFull Time
3+ YOERequires 3+ years in knowledge graphs, ontology mapping, R2RML, graph and relational databases, vector databases, Python or Java, and REST APIs; bachelor's degree or equivalent experience required.
R2RML, SPARQL, StarDog, GraphWise, Neo4J, Elasticsearch, OpenSearch, SQL, PostgreSQL, MySQL, SQL Server, Python, Java, REST, Docker, Kubernetes, D3.js, Cytoscape.js, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Terraform, Helm, GraphQL
3w
Save
Mark Applied
Hide
Software Engineer- Backend
Columbus, Ohio, United States
OnsiteFull Time
7+ YOE7+ years software engineering experience; proficiency in Java 21 and Python; public cloud (AWS) experience; CI/CD, system design, RESTful APIs, Apache Cassandra and Apache Kafka knowledge; strong problem-solving and agile experience.
Java 21, Python, Apache Cassandra, Apache Kafka, AWS, CI/CD
4w
Save
Mark Applied
Hide
Lead Software Engineer - Backend/Java/Cloud
Jersey City or Columbus
$152k-$215k/yr OnsiteFull Time
5+ YOE5+ years Java experience, system design and application development, Spring Boot, REST APIs, Kafka, multi-region and cloud deployments, AI (Co-Pilot, LLM) familiarity, financial services knowledge.
Java, Spring Boot, REST API, Kafka, Co-Pilot, LLM, AWS, Terraform, Grafana, Prometheus, Cassandra
3w
Save
Mark Applied
Hide
Software Engineer, Frontend
Columbus, Ohio, United States
OnsiteFull Time
1+ YOE1+ years experience building production frontend applications with React and TypeScript; experience with Node.js/C# back ends, Git, CI/CD, container deployments, and cloud (AWS).
React, TypeScript, Nx, MUI, Redux Toolkit, Vite, react-hook-form, i18n, three.js, WebGL, Node.js, C#, Git, Docker, Kubernetes, Terraform, AWS, GitHub Actions, Slack, Jira, Confluence, Google Workspace
3mo
Save
Mark Applied
Hide
Staff Software Engineer (backend)
Columbus, Ohio, United States
HybridFull Time
6+ YOE6+ years backend experience with Go, microservices, RESTful APIs, AWS, SQL/PostgreSQL, Redis, Docker, and Linux/Ubuntu with Bash; strong systems and reliability mindset.
Go, Golang, RESTful APIs, OpenFGA, AWS, SQL, PostgreSQL, Redis, Docker, Bash, Python, BACnet, Modbus, LoRaWAN, RAG
3mo
Save
Mark Applied
Hide
Staff Software Engineer (backend)
Columbus or United States
OnsiteFull Time
10+ YOE10+ years backend experience with Go/Golang, microservices, distributed systems, public API design, ReBAC/OpenFGA, AWS multi-AZ, Terraform, CI/CD, Kubernetes, Linux/Bash, Docker, PostgreSQL, and Redis.
Go, Golang, Terraform, GitHub Actions, Kubernetes, AWS ECS, Ubuntu, Bash, Docker, PostgreSQL, Redis, OpenFGA, BACnet, Modbus, LoRaWAN, LLMs, RAG, Python
3mo
Save
Mark Applied
Hide
Lead Software Engineer - Backend/Java/Cloud
Columbus, Ohio, United States
OnsiteFull Time
8+ YOE8+ years Java; 8+ Spring Boot; 5+ years SQL/NoSQL; 5+ years Kafka; 2+ years AWS; CI/CD tooling; REST/microservices; secure coding practices; agile
Java, Spring Boot, SQL, NoSQL, Apache Kafka, AWS, Jenkins, GitLab CI, Spinnaker, AWS CodePipeline, JUnit, Cucumber, Terraform, JMeter, BlazeMeter, Splunk, CloudWatch, Prometheus, Dynatrace, Grafana, Docker, Kubernetes
3w
Save
Mark Applied
Hide
Software Engineer, C#
Columbus, Ohio, United States
OnsiteFull Time
1+ YOEBachelor's degree or equivalent experience,1+ years software experience; strong React and TypeScript; Node.js and/or C# back-end; Git, CI/CD, Docker, Kubernetes, Terraform, and AWS experience.
React, TypeScript, Nx, MUI, Redux Toolkit, Vite, react-hook-form, i18n, three.js, Node.js, C#, Git, Docker, Kubernetes, Terraform, AWS, GitHub Actions, Slack, Jira, Confluence, Google Workspace