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Cresteo

Technical Lead – Java, AWS

Cresteo

. Own the technical direction and hands-on evolution of a large Java and AWS serverless ecosystem .

Posted 9/24/2026full-timeRemoteSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates deep expertise in Java 17+ and Spring Boot 3.x, with a strong focus on AWS serverless architectures and technical leadership. Proven ability to enhance system architecture, reliability, and security while mentoring senior engineers and collaborating with client stakeholders.

Highest-signal resume keywords
Java 17+Spring Boot 3.xAWS Serverless ArchitecturesInfrastructure as Code (Terraform, AWS SAM)Technical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Software EngineeringProduction Code TroubleshootingDistributed Systems ArchitectureServerless Runtime OptimizationCVE TriageRoot-Cause AnalysisCode ReviewSecurity ManagementCost Optimization StrategiesPipeline Design (GitLab CI/CD)
Soft Skills
Client-Facing CommunicationMentoringTechnical Decision-MakingCollaboration
Tools & Technologies
AWS LambdaAPI GatewayDynamoDBAurora/RDS ProxyS3GitLab CI/CDTerraformAWS SAM
Industry Keywords
SOC 2Identity and Access ManagementRegulated EnvironmentsDependency Management

Tech Stack

Tools & technologies
AWSDistributed SystemsDynamoDBJavaSpringSpring BootSpringBootTerraform

About the role

Key responsibilities & impact
  • Own the technical direction and hands-on evolution of a large Java and AWS serverless ecosystem
  • Set engineering standards while remaining close to production code and critical incident resolution
  • Lead senior engineers
  • Work directly with client stakeholders
  • Improve architecture, reliability, security, and delivery across a complex distributed platform
  • Develop and maintain software solutions
  • Work with a varied technology stack
  • Ensure products are functional, efficient, reliable, and scalable

Requirements

What you’ll need
  • Deep hands-on experience with Java 17+ and Spring Boot 3.x, including production experience migrating applications from Spring Boot 2.x to 3.x
  • Strong hands-on software engineering background, with recent experience writing and troubleshooting production code
  • Deep experience designing and operating AWS serverless architectures at scale using Lambda, API Gateway, SNS, SQS, DynamoDB, Aurora/RDS Proxy, and S3
  • Experience owning the architecture and technical evolution of distributed systems composed of multiple independently deployed services
  • Strong understanding of serverless runtime and performance considerations, including Lambda cold starts, SnapStart, connection pooling, scalability, and production troubleshooting
  • Hands-on Infrastructure as Code experience using Terraform and AWS SAM
  • Strong GitLab CI/CD experience, including pipeline design, environment promotion, release gating, and production deployment practices
  • Experience defining engineering standards, leading code reviews, and mentoring senior software engineers
  • Strong experience with security and dependency lifecycle management, including CVE triage, dependency/BOM strategies, secrets management, and secret rotation
  • Experience identifying and reducing architectural duplication across distributed services through shared libraries, reusable components, or platform engineering practices
  • Strong production troubleshooting and root-cause analysis skills, with the ability to work hands-on with engineers on high-priority incidents
  • Experience taking ownership of established codebases and architectures, including transitions from other teams or vendors, is highly valued
  • Experience engineering within SOC 2, regulated, or similarly controlled environments is highly valued
  • Experience with identity and access management platforms such as Curity, ForgeRock, Ping Identity, Auth0, or equivalent is valued
  • Understanding of cost optimization strategies for AWS serverless workloads
  • Strong technical leadership and delivery ownership, with accountability for technical decisions, engineering quality, and delivery commitments
  • Strong client-facing communication skills, with the ability to explain architecture decisions, technical risks, incidents, and delivery trade-offs clearly
  • Professional English communication skills for direct collaboration with client stakeholders

Benefits

Comp & perks
  • 100% Remote
  • USD above-average salaries
  • Profit Sharing Policy
  • Unlimited PTOs after your first year (20 PTOs the first year)
  • Equipment for your setup
  • Great work/life balance
  • Honest, simple, and transparent culture
  • US-based clients and international teams