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Valency Systems Inc.

Senior Software Engineer

Valency Systems Inc.

. Report to the Head of Engineering .

Posted 9/16/2026full-timeBerkeley • California • United StatesSeniorWebsite

Core Competencies

Role fit
Core Competencies

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

Demonstrates expertise in designing and maintaining backend systems, including APIs, data pipelines, and distributed architectures, while ensuring operational excellence and compliance with standards. Proven ability to mentor engineers and drive technical direction in a collaborative environment.

Highest-signal resume keywords
Backend Language Proficiency (Python, Go, Java, Rust)Cloud Platform Experience (AWS, GCP, Azure)Containerization and Orchestration (Docker, Kubernetes)Relational Database Expertise (Schema Design, Query Optimization)Observability Practices Implementation

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
API DesignData Pipeline DevelopmentDistributed Systems ArchitecturePerformance OptimizationSecure Coding PracticesInfrastructure-as-Code (Terraform, Pulumi)ETL/ELT WorkflowsAsynchronous Job ProcessingCaching StrategiesTechnical Documentation
Soft Skills
Clear CommunicationMentoringTechnical DirectionCollaborationProblem Solving
Tools & Technologies
KafkaSQSRabbitMQAWS LambdaCDKPostgreSQLCloudflareTemporalAirflowPrefect
Industry Keywords
SOC 2 ComplianceGDPR ComplianceCI/CD PipelinesCloud Cost ManagementStartup Environment

Tech Stack

Tools & technologies
AirflowAWSAzureCloudDistributed SystemsDockerETLGoogle Cloud PlatformJavaJavaScriptKafkaKubernetesNode.jsPostgresPythonRabbitMQRustTerraformTypeScriptGo

About the role

Key responsibilities & impact
  • Report to the Head of Engineering
  • Design, build, and own critical backend services, including APIs, data pipelines, async workers, and reliable infrastructure at scale
  • Make architectural decisions and document trade-offs
  • Drive platform and reliability investments alongside feature work
  • Establish standards for code quality, test coverage, and operational excellence
  • Diagnose and resolve complex performance, reliability, and scalability issues
  • Conduct post-mortems that prevent recurrence
  • Design and maintain resilient distributed systems using circuit breakers, retries, idempotency, and rate limiting
  • Own services through design, deployment, CI/CD, containerization, and cloud infrastructure
  • Implement observability practices including structured logging, metrics dashboards, distributed tracing, and alerting
  • Contribute to infrastructure-as-code and cloud cost optimization
  • Design data models across relational and non-relational stores
  • Build and maintain data pipelines, ETL/ELT workflows, and third-party integrations
  • Apply CDN, in-memory, and application-level caching strategies
  • Work with Kafka, SQS, and RabbitMQ to build decoupled asynchronous architectures
  • Apply secure coding practices and contribute to SOC 2, GDPR, or similar compliance efforts
  • Unblock teammates and provide technical direction
  • Mentor junior and mid-level engineers through code review, pairing, and feedback
  • Write architecture decision records and technical documentation
  • Partner with Product and Design to scope work and deliver clearly
  • Represent Engineering in cross-functional conversations

Requirements

What you’ll need
  • 8+ years of software engineering experience, with deep expertise in backend systems — APIs, databases, distributed architectures, and cloud infrastructure
  • Strong command of at least one backend language (Python, Go, Java, Rust, or similar)
  • Comfort working across major cloud platforms (AWS, GCP, or Azure)
  • Hands-on experience with relational databases, including schema design, query optimization, and indexing
  • Familiarity with non-relational databases or caching layers
  • Experience with containerization and orchestration (Docker, Kubernetes) and CI/CD pipelines
  • Demonstrated ability to own and deliver complex, ambiguous projects end-to-end with minimal supervision
  • Track record of mentoring engineers and influencing technical direction without formal authority
  • Clear, direct communication
  • Experience working in a startup environment (nice to have)
  • Experience with Node.js/TypeScript, AWS Lambda/CDK/Step Functions, PostgreSQL, or Cloudflare (nice to have)
  • Familiarity with auth systems such as OAuth and observability tooling (nice to have)
  • Experience with workflow orchestration tools such as Temporal, Airflow, or Prefect and async job processing at scale (nice to have)
  • Working knowledge of infrastructure-as-code such as Terraform or Pulumi and cloud cost management (nice to have)
  • Ability to work hybrid in Berkeley, CA, with three days per week in-office
  • Legally authorized to work in the United States
  • Must indicate whether employment visa sponsorship is required

Benefits

Comp & perks
  • Competitive salary
  • Benefits
  • Meaningful equity
  • Small, high-trust team where decisions have outsized impact
  • Culture that values engineering excellence and invests seriously in the people who drive it