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Contract Backend Developer Jobs in Colorado (NOW HIRING)

Java Backend Developer

Denver, CO

$52 - $67.50/hr

Java Backend Engineer Denver, CO (Onsite) Experience: 8+ years In-Person Interview About the Role ... and contract tests - not just for coverage metrics - Own E2E test strategy for your services ...

Denver, US Duration:12+ Months Contract with Extension Employment Type: C2C/C2H/W2 Interview ... Implement backend systems using frameworks like Spring Boot, Akka HTTP, or Play * Ensure reliable ...

Work closely with cross-functional teams, including product managers, DevOps, and front-end ... Strong understanding of microservice and API contracts * Fluency with observability and oncall ...

Work closely with cross-functional teams, including product managers, DevOps, and front-end ... Strong understanding of microservice and API contracts * Fluency with observability and on-call ...

SIMILAR CAREER TITLES Software Engineer, Backend Developer, Frontend Developer, Web Developer ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

SIMILAR CAREER TITLESSoftware Engineer, Backend Developer, Frontend Developer, Web Developer ... Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ...

... and enhance API developer experience. In this role, you will: * Participate in the design ... Design and build intuitive APIs with clear contracts, well-documented, versioning strategies ...

... Backend Support Engineer to build internal tools and scripts that improve support workflows and ... This is a 3-month contract with potential to extend. Due to client requirements, applicants must be ...

New

... Backend Support Engineer to build internal tools and scripts that improve support workflows and ... This is a 3-month contract with potential to extend. Due to client requirements, applicants must be ...

New

Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ... Build APIs and backend services to support applications * Optimize code for performance and ...

Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some ... Build APIs and backend services to support applications * Optimize code for performance and ...

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Contract Backend Developer information

What are the key skills and qualifications needed to thrive as a Contract Backend Developer, and why are they important?

To thrive as a Contract Backend Developer, you need strong programming skills in languages like Python, Java, or Node.js, along with experience in database management and API development, supported by a relevant degree or proven project experience. Familiarity with frameworks (such as Django, Spring, or Express), cloud services (like AWS or Azure), and version control systems (e.g., Git) is typically expected. Excellent problem-solving abilities, strong communication, and the ability to quickly adapt to new codebases and team environments set top contractors apart. These skills and qualities are crucial for delivering reliable, scalable backend solutions and integrating smoothly into diverse project teams.

What are some common challenges faced by Contract Backend Developers when joining a new project?

Contract Backend Developers often encounter challenges such as quickly understanding existing codebases, adapting to different tech stacks, and aligning with the team's development practices. Since contract roles usually have tight deadlines, developers must rapidly familiarize themselves with project documentation and workflows. Effective communication with team members and proactive clarification of requirements are essential to ensure smooth integration and successful project outcomes.

What are contract backend developers?

Contract backend developers are professionals hired on a temporary or project basis to build and maintain the server-side logic, databases, and APIs that power web or mobile applications. They work behind the scenes to ensure that applications function smoothly, handle data efficiently, and communicate effectively with front-end systems. Unlike full-time employees, contract backend developers typically work for a set duration or on specific projects, offering flexibility to both clients and developers. They often bring specialized expertise in programming languages such as Python, Java, Node.js, or Ruby, and may work remotely or on-site depending on the contract terms.
What are the most commonly searched types of Backend Developer jobs in Colorado? The most popular types of Backend Developer jobs in Colorado are:
What are popular job titles related to Contract Backend Developer jobs in Colorado? For Contract Backend Developer jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Contract Backend Developer jobs in Colorado look for? The top searched job categories for Contract Backend Developer jobs in Colorado are:
What cities in Colorado are hiring for Contract Backend Developer jobs? Cities in Colorado with the most Contract Backend Developer job openings:

$52 - $67.50/hr

Other

Posted 4 days ago


Job description

Java Backend Engineer

Denver, CO (Onsite)

Experience: 8+ years

In-Person Interview

About the Role

We're looking for a senior engineer who doesn't just write code - they own outcomes. You'll be responsible for the full

lifecycle of backend services: from design and development through production reliability. In an era where AI can

generate code, we value engineers who think critically, anticipate problems, and drive systems forward.

What We Expect

End-to-End Ownership

- Own features from design -> development -> testing -> deployment -> production support

- Take accountability for the reliability and performance of your services in production

- Drive technical decisions without waiting to be told what to do

System Design & Architecture

- Design scalable, resilient distributed systems handling millions of daily transactions

- Make pragmatic trade-off decisions (consistency vs. availability, complexity vs. speed)

- Produce clear technical design documents and lead design reviews

- Evaluate build vs. buy decisions with data

Development

- Strong proficiency in Java and/or Scala

- Build high-throughput, low-latency microservices

- Write clean, maintainable code - but more importantly, know when and what to build

Testing & Quality

- Write meaningful unit, integration, and contract tests - not just for coverage metrics

- Own E2E test strategy for your services

- Build confidence in deployments through automated validation

Infrastructure & Cloud (AWS)

- Hands-on with AWS services (ECS/EKS, Lambda, S3, SQS, CloudWatch, IAM)

- Understand networking, security, and cost implications of architectural choices

- Comfortable with Infrastructure as Code (Terraform/CloudFormation)

Data & Messaging

- Kafka - design event-driven architectures, manage topics, handle consumer lag and rebalancing

- Redis - caching strategies, pub/sub, cluster management

- MongoDB/DocumentDB - schema design, indexing, query optimization, aggregation pipelines

Monitoring & Observability

- Datadog - build dashboards, set meaningful alerts, track SLOs, analyze APM traces

- Splunk - log analysis, search queries, correlation across services for incident investigation

- Understand distributed tracing, structured logging, and metric-driven decision making

SRE Mindset

- Analyze production incidents: read logs, trace requests, identify root cause under pressure

- Think about failure modes before they happen (circuit breakers, retries, fallbacks, graceful degradation)

- Participate in on-call rotations and drive blameless post-mortems

- Proactively identify capacity risks and performance bottlenecks

Proactive Analysis & Innovation

- Identify risks, tech debt, and performance bottlenecks before they become incidents

- Propose and drive improvements - don't wait for a ticket

- Stay current with industry trends and bring relevant ideas to the team

- Challenge existing patterns when they no longer serve the system

What This Role is NOT

- A pure coding role - AI can write code; we need engineers who decide what to build and why

- A ticket-taker role - you identify work, not just execute it

- A siloed role - you'll collaborate across teams, influence architecture, and mentor others

Nice to Have

- Experience with circuit breaker patterns (Hystrix, Resilience4j)

- Performance tuning at scale (JVM, thread pools, connection pools)

- Experience with CI/CD pipelines and deployment strategies (blue-green, canary)

- Contributions to internal tooling or developer experience improvements

- Experience leading technical initiatives across multiple teams