Senior Engineer

2 weeks ago

Canada Luxoft Full time

You will join a core engineering team within one of the leading U.S. video‑content providers, supporting hundreds of distributed software engineering teams and operating across a large‑scale infrastructure that spans internal data centers, broadcast facilities, and public cloud (AWS). The project focuses on building agentic retrieval workflows, data pipelines, and ML/LLM‑driven scoring systems that enhance engineering productivity and code‑quality metrics. You will design retrieval agents, optimize LLM prompting strategies, build robust orchestration, and integrate backend services that process PR, commit, and code‑quality metadata at scale. Target Background 5-10+ years as a software/data/ML engineer. Strong Python expertise and familiarity with modern data/ML tooling. Proven delivery of production‑grade orchestration systems (Dagster/Airflow) on AWS. Practical experience with prompt/LLM optimization (DSPy preferred). Comfortable working with Git/PR metadata, code diffs, backfills, and performance‑critical data pipelines. Responsibilities CES improvements: PR‑level scoring, historical context, context‑retrieval agent, automated score correction, training data prep from feedback. Data/PR tracking: ingest PRs, link to commits/branches, track merges to main, backfills. Orchestration & reliability: Dagster migration, retries, scheduling, monitoring, data quality alerts. LLM/prompt optimization: DSPy‑based prompt tuning, eval set creation, feedback‑driven corrections, prompt cost/quality tradeoffs. Metadata & classification: role/work‑type classification, epic linking improvements, filters/explorer features. Mandatory Skills Description Agentic coding: build retrieval agents that pull code context/diffs/history to improve scoring (aligns with CES Phase 3 and quality metric work). Data pipelines: Dagster (preferred) or equivalent orchestrator; AWS‑native pipelines (ECS/EventBridge/Lambda/S3/Glue experience a plus); robust backfills and retries. LLM/Prompting: DSPy or similar prompt/policy optimization; prompt chaining; context packing; eval design and execution. Data modeling & analytics: PR/commit linking, branch/main tracking, epic linking; quality/effort scoring signals; anomaly detection for data quality. Backend integration: building services that ingest PR/commit metadata, compute CES/quality metrics, and expose them to UI/API. Eval/feedback loops: design and run eval sets; collect user feedback; close the loop with automated/manual score correction. Nice-to-Have Skills Description Experience with code‑scoring/effort or quality metrics; SonarQube integration. Graph‑ish linking across artifacts (Jira/PR/commit/branch) for epic/work‑type classification. Experience tuning performance/cost for LLM calls (OSS LLM evals, batching, caching). Observability for pipelines (metrics/traces/logs) and data quality alerting. Seniority level Mid‑Senior level Employment type Full‑time Job function Information Technology Industries IT Services and IT Consulting #J-18808-Ljbffr

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