Senior Software Engineer, Aggregation & Search
Chainalysis2 months ago
United Kingdom (city not specified)Senior
Responsibilities
- Own and improve a Java data-ingestion service for enriched transfer generation and aggregations.
- Design and tune PostgreSQL transaction batching, indexing, replication, and performance strategies for high-throughput workloads.
- Evaluate next-generation technologies through proofs of concept, latency benchmarking, architecture decision records, and production delivery.
- Build and maintain scalable AWS API services handling thousands of requests per second.
- Automate network onboarding end to end.
- Debug production issues across microservices, define SLOs, and participate in the on-call rotation.
- Integrate LLM-based tools into engineering workflows and build agentic automation for incident triage, self-healing pipelines, and intelligent alerting.
- Mentor engineers and drive technical decisions through RFCs and ADRs when needed.
Requirements
- 8+ years of production PostgreSQL experience, including schema design, query optimization, partitioning, replication, and performance tuning for write-heavy, high-throughput workloads.
- 8+ years building Java Spring Boot services, including REST APIs, JDBC, connection pooling, and JVM performance profiling.
- Experience with Kafka or equivalent streaming systems, including consumer groups, offset management, and partition-lag debugging.
- Experience operating distributed systems on AWS, including microservices, multi-silo deployments, and Terraform.
- Strong cross-system debugging skills using metrics, logs, tracing, and code-path analysis.
- Comfort with AI-assisted development and agentic engineering practices.
- Ability to ship and iterate collaboratively with product and design partners.
- Familiarity with Kubernetes, Python, GitHub and GitHub Actions, Datadog, Humio, and PagerDuty.
- Database migration experience and familiarity with Flink, Spark, Delta Lake, Iceberg, or Parquet are preferred.
- Kubernetes operations experience with StatefulSets, HelmReleases, and stateful workloads is preferred.
- Interest in cryptocurrency is preferred.
Tech Stack
Apache FlinkApache KafkaApache SparkAWSDatadogGitHub ActionsJavaKubernetesPostgreSQLPythonSpring BootTerraform
Categories
About Chainalysis
Chainalysis builds blockchain data and analytics software used by law enforcement, regulators, crypto businesses, and financial institutions to investigate transactions and manage compliance risk. Its products include investigation tools and transaction monitoring offered via subscriptions and professional services. Founded in 2014 and headquartered in New York City, the privately held company serves global markets across cryptocurrencies and traditional finance.