About this role
Senior JavaScript Developer
Odixcity Consulting is an International Hr consulting and procurement firm. With expertise in Recruitment & Selection, Performance management, Training & Development, Compensation and benefits as well as Outsourcing of goods and services for organizations.We are recruiting to fill the position below:
Responsibilities
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Design and execute semantic annotation pipelines for JavaScript/TypeScript code snippets, including function logic, error handling, async patterns, and security flows.
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Collaborate with ML engineers to define annotation schemas that capture execution traces, data flow, and edge cases in real-world JS applications.
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Build internal tooling (Node.js, React) to accelerate annotation QA, versioning, and active learning loops.
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Review and refine model-generated JS code- identify hallucinations, inefficiencies, and style violations.
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Contribute to synthetic data generation by writing adversarial examples that stress-test model reasoning.
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Mentor junior annotators on JS best practices and advanced language features (closures, proxies, generators, etc.).
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Required Qualifications
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6+ years of professional software development experience, with at least 5 years heavily focused on modern JavaScript/TypeScript.
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Deep understanding of ASTs, scope chains, event loop, and memory management in v8.
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Experience building or fine-tuning AI/ML models (LLMs, code-generation models, or NLP systems).
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Hands-on with annotation tools (Label Studio, Prodigy, or custom pipelines) and versioned datasets.
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Proven experience with AWS/ Azure/GCP (EC2, Lambda, S3, RDS).
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Strong working knowledge of Docker, Kubernetes (K8s), and Infrastructure-as-Code (Terraform/CDK).
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Strong grasp of test-driven development, static analysis, and performance profiling.
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Ability to write clear, structured documentation for guidelines and taxonomies.
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Exceptional written and verbal communication.
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Ability to influence stakeholders, write clear architectural decision records (ADRs).
Salary
N700,000 – N1,000,000 per month.
Application Closing Date
30th September, 2026.