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Lead Software Engineer
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; building high-volume, low-latency transactional systems; microservices with Java/Spring Boot and Python (FastAPI/Flask); AWS services experience; SQL/RDBMS proficiency; agile/SCRUM and experience with AI-assisted development tools.
Java, Python, Spring Boot, FastAPI, Flask, S3, DynamoDB, ECS, EKS, RDS, Lambda, ALB, NLB, GitHub Copilot, Claude, Splunk, Dynatrace, Grafana, RDBMS, SQL, JDBC, Databricks
1mo
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Full Stack Developer
Sydney or Canberra or Melbourne or Brisbane or Delaware or Chennai or Colombo
$80k-$100k/yr HybridFull Time
3+ YOE3+ years full‑stack development experience with front-end (React/Angular/Vue, HTML/CSS/JavaScript, TypeScript) and back-end (Node.js, Python, Java, C#), databases (MySQL/PostgreSQL, MongoDB/DynamoDB), REST/GraphQL, CI/CD, cloud (AWS, Microsoft Azure, Google Cloud).
React, Node.js, Python, TypeScript, Next.js, HTML, CSS, JavaScript, Angular, Vue.js, Django, Flask, Java, Spring Boot, C#, Microsoft .NET Core, MySQL, PostgreSQL, MongoDB, DynamoDB, RESTful APIs, GraphQL, Postman, Swagger, Git, Jenkins, GitHub Actions, GitLab CI, AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes, Terraform, Prometheus, Grafana, Next.js, Nuxt.js, Svelte
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Blockchain - Sr Lead Security Engineer
Plano or Seattle or Wilmington or Columbus or Jersey City or Palo Alto
$171k-$260k/yr OnsiteFull Time
7+ YOEBachelor's in CS or related,7+ years software development with ≥2 years blockchain experience, strong Java/Python skills, blockchain fundamentals, cryptography (MPC,TSS,DKG,ECDSA,EdDSA), AWS, containers, infra-as-code, API and security best practices.
Java/J2EE, Python, Spring Boot, Flask, FastAPIS, Multi-Party Computation (MPC), ECDSA, EdDSA, BIP-32/BIP-44, AWS EC2, AWS EKS, AWS Lambda, AWS S3, AWS RDS, AWS IAM, AWS SQS, AWS SNS, API Gateway, AWS KMS, Terraform, CloudFormation, Docker, Kubernetes, Oracle, PostgreSQL, DynamoDB, MongoDB, Redis, Datadog, Dynatrace, Splunk, Grafana, Prometheus, Jenkins, GitHub Actions, Spinnaker, GitHub Copilot, Claude Code, OAuth 2.0, JWT, TLS, mTLS