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Hitachi Digital Services · 12 hours ago

Senior Software Developer

Dallas, TX

Full-time

Hybrid

Senior Level

5+ years exp

Hitachi Digital Services is a global digital solutions and transformation business focused on innovation and technology. They are seeking a Senior Software Developer to join a horizontal engineering team, responsible for building advanced AI workflows for code analysis and technical debt remediation.

Artificial Intelligence (AI)Cloud ComputingEnterprise SoftwareInternet of Things

H1B Sponsor Likely

Responsibilities

Design, develop, and maintain LLM-powered multi-agent workflows for code analysis, remediation proposals, and safe patch generation

Implement agentic patterns including planning/execution loops, dynamic tool orchestration, sandboxing, guardrails, and failure recovery

Build scalable automation systems for technical debt remediation: language/runtime upgrades, vulnerability patching, dependency modernization, and config drift correction

Partner with Dev Experience and Platform teams to define engineering guidelines and reusable standards across the organization

Architect and optimize Retrieval-Augmented Generation (RAG) pipelines, managing chunking, embeddings, hybrid search, reranking, and retrieval policies

Develop robust evaluation frameworks for LLMs, RAG, and agent workflows, including offline datasets, validation metrics, statistical testing, and A/B tests

Contribute to backend systems using Python, distributed systems, microservices, PostgreSQL, DBT, vector databases, caching, streaming, and queueing

Build CI/CD pipelines, observability dashboards, and perform performance analysis on model, retrieval, and network layers

Collaborate cross-functionally with product, platform, and security to move prototypes to production-grade services

Communicate clearly with stakeholders, write technical documentation, and mentor junior engineers

Qualification

Python programmingLLM-powered featuresMulti-agent architecturesAWS proficiencyCI/CD pipelinesPostgreSQLRAG systemsObservability toolsTechnical documentationCollaboration skillsProblem-solvingCommunication skills

Required

5+ years experience building production-grade systems with end-to-end ownership

Expertise in Python programming, software engineering best practices, testing strategies, CI/CD, and system design

Hands-on experience shipping LLM-powered features such as autonomous workflows or function calling with measurable impact on reliability or latency

Deep knowledge of multi-agent architectures including planners, executors, and tool routing

Strong understanding of RAG systems: chunking, embeddings, vector/hybrid search, and retrieval policies

Experience evaluating LLMs and agent workflows incorporating statistical reasoning and validation

Proficiency with AWS (Lambda, ECS/EKS, S3, API Gateway, EC2, IAM) and Infrastructure-as-Code for cloud resource automation and deployment

Experience with observability tools (Datadog, logging, tracing, metrics)

Familiarity with PostgreSQL, DBT, data modeling, schema evolution, and performance tuning

Knowledge of vector databases like Pinecone or pgvector

Experience building or optimizing CI/CD pipelines (GitHub Actions or similar)

Proven track record in application modernization, dependency management, and technical debt reduction

Ability to rapidly prototype, validate, and transition solutions to production systems

Preferred

Experience designing agent infrastructure with sandboxing, tool isolation, and fail-safe execution

Background in large-scale platform engineering or developer experience tooling

Understanding of security, compliance, and privacy for enterprise AI systems

Strong architectural communication ability, including RFC writing and diagramming

Benefits

Industry-leading benefits

Support

Services that look after your holistic health and wellbeing

Flexible arrangements that work for you

Company

Hitachi Digital Services

Hitachi Digital Services offers digital transformation solutions in AI, cloud computing, and IoT. It is a sub-organization of Hitachi.

Founded in 2023

Santa Clara, California, USA

5001-10000 employees

https://hitachids.com

H1B Sponsorship

Hitachi Digital Services has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (107)

2024 (145)