Senior Full Stack Engineer

5600 EUR/ mies./ mies.B2BB2B (netto)

SeniorZdalnie·WrocławFull-time·B2B

#470810·Dodano 6 dni temu·4

Źródło: justjoin.it

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Tech Stack / Keywords

Node.js TypeScript

Podsumowanie oferty

Build production AI agents and agent-facing tools for internal use as part of a cross-functional development team. The work includes TypeScript services on AWS, evaluation and observability of AI features, infrastructure, integrations, and tools built with React and APIs.

Wymagania

Broad technical perspective and adaptability across modern software stacks and architectures, with breadth and quick ramp-up favored over narrow specialization.
Strong production experience with modern React and TypeScript, including Node.js, async patterns, testing and monorepo tooling.
Working proficiency with Python for backend services, evaluations, analysis and automation tooling.
Practical hands-on experience across the AWS ecosystem beyond serverless, including Lambda, Step Functions, DynamoDB, Bedrock, containers (ECS/EKS), networking, compute and IAM.
Experience shipping features using LLM APIs, including prompts, tool calling, structured output and long context; ability to describe the evaluation that gated release, what failed and what changed.
Proactive use of AI-assisted engineering tools such as Copilot, Cursor and LLM APIs, and drive to champion AI-first practices and productivity across the team.
Ability to read and safely modify Terraform configurations across environments.
Hands-on experience with both NoSQL and SQL stores, including schema changes and live-system migrations.
Ability to design metrics, logs and alarms for non-deterministic systems, and debug production issues using them.
Proficiency with modern CI/CD pipelines, ideally GitLab CI/CD.
Fluent written and spoken English, with the ability to articulate trade-offs and align team members around technical decisions.

Nice to have:

Experience with multi-agent systems, MCP servers or evaluation frameworks.
LLM cost-control experience, including model routing, prompt caching and token budgets.
Knowledge of prompt-injection defense and agent security.
Experience with GraphQL for internal APIs and tooling.
Code intelligence or retrieval experience, such as indexing, symbol search and knowledge bundles.
Experience with Kubernetes, AWS AppSync and EventBridge.
Experience with Playwright or Cucumber test automation.
Claude Certified Developer or Claude Certified Architect (Anthropic) certification.

Obowiązki

Build production AI agents by developing TypeScript services on AWS using Lambda, Step Functions, DynamoDB, Bedrock, Strands or LangGraph, and AI SDKs.
Design agent behavior by defining what the model investigates and what code enforces.
Build sandboxed agents with read-only runtimes, scoped tool access, worktree-contained reads, and budget and timeout guards.
Evaluate AI features by building golden sets and production replays, calibrating judges, gating changes on recall, precision and false-positive rate, and comparing models and effort levels before release.
Ensure observability by emitting reason-coded metrics and structured logs, alerting on failures, and investigating production misses in Splunk and VictoriaMetrics.
Maintain Terraform roots across environments under tagging and permission-boundary rules; improve GitLab CI/CD for build, test, deploy and quality gates.
Build integrations resilient to retries, rate limits, permanent failures and stale state.
Use AI to write and review code, and keep agent context current.
Review AI-written changes for security, correctness and maintainability, catching issues tests miss.
Configure assistants, skills, hooks and MCP servers; pair with engineers and share proven practices.
Build agent-facing tools with React and APIs for summaries, dashboards and internal tooling, with outputs readable by agents, CLIs and Slack.
Document systems with architecture and sequence diagrams, runbooks and decision records.

Benefity

Access to internal meetups, conferences and workshops.
Access to Udemy.
Language courses.
Company-paid certifications.
Company-paid premium medical package through Luxmed.
Access to the MyBenefit cafeteria platform to choose perks.

Kursy językowe

Opieka zdrowotna

Ciklum

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