Senior Software Engineer AI Agents · Wellsheet at Elsevier
About Wellsheet at Elsevier: Wellsheet is a clinical decision support platform used by more than 20,000 providers across 100+ hospitals. We embed directly in the EHR (Epic, Cerner, Athena) and put AI-generated clinical context in front of clinicians at the bedside. In 2026 Wellsheet became part of Elsevier's Clinical Solutions group, and we're now building the next generation of our product: a new clinical AI experience shipping to our first hospital clients in early 2027, backed by an integration platform we've run in production for years. We're a small, all-senior engineering team. You'll own real surface area from your first weeks, work directly with the people who built the system, and ship software that clinicians use during patient care. No healthcare background is required. We train the clinical and interoperability domain; we hire for engineering judgment.
About the team, The Platform squad runs the machinery underneath everything clinicians see: real-time EHR sync across Epic, Cerner, and Athena, FHIR ingestion for 100+ hospitals, and vocabulary normalization across 125+ clinical terminologies. The squad is led directly by the technical leader behind Wellsheet's platform. Its next major build, which you'll help kick off, is platform API that other Elsevier clinical products and internal teams will consume. The squad also owns the internal tooling for managing the platform and the health of the stack itself, from framework upgrades to developer tooling.
Responsibilities
- Owning agent-powered features end to end: prompt and orchestration logic, backend plumbing, and the UI where the output lands.
- Taking loosely specified feature ideas ("clinicians want the chart review agent to explain itself") through design, implementation, and measured rollout.
- Building and extending eval coverage for the features you ship; nothing ships unmeasured
- Building new ways for agents to present their work, from richer in-chat results to interactive views.
- Improving the synthetic data simulator and the tooling around it
- Work across squad boundaries with Product to land agent features in the clinical experience.
- Pairing with the engineer leading our agent work, ship an improvement to a production agent feature end to end, and add the eval coverage that proves it. By month three you'll own an agent surface outright.
Requirements
- Possess current Software Engineering development skills with TypeScript and Ruby experience; you treat prompts and models as components in a system you're responsible for.
- End-to-end ownership from backend to UI, with the judgment to keep the seams clean.
- Instinct to measure: you'd rather have a small honest eval than a big impressive demo.
- Comfort with ambiguity; much of this work has no established playbook yet.
- AI-assisted development as a default: coding agents and spec-driven development are already part of how you work.
Elsevier is a renowned global information analytics company that primarily focuses on providing scientific, technical, and medical (STM) research content, tools, and services. It is one of the largest publishers of academic journals and scholarly literature in the world.
Elsevier operates in various domains, including science, technology, medicine, social sciences, and more. They publish a vast number of peer-reviewed journals covering a wide range of disciplines. These journals act as platforms for researchers and academics to share their findings and contribute to the advancement of knowledge in their respective fields.
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Skills Required
- 5+ years of Software Engineering experience
- BS in Engineering/Computer Science or equivalent experience
- Advanced knowledge of software development methodologies (Agile, Waterfall)
- Proficiency with data manipulation language including optimization techniques
- Understanding of normalized and dimensional data modeling principles
- Knowledge of multiple data storage subsystems
- Expertise in development languages: Java/J2EE, JavaScript, JSP, C/C++, HTML, XML, SQL, .Net
- Experience on Windows and UNIX platforms
- Knowledge of test-driven development (TDD)
- Ability to write and review detailed specifications for complex system components
- Ability to complete complex bug fixes and resolve technical issues
- Strong oral and written communication skills
- Ability to mentor and train entry-level software engineers
RELX Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about RELX and has not been reviewed or approved by RELX.
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Retirement Support — Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with matching contributions, alongside other financial protections such as life and disability coverage. Tuition reimbursement and share purchase access further broaden the financial value of the package beyond base salary.
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Leave & Time Off Breadth — Leave and time off breadth appears strong, with generous vacation allowances, mental health days, and options like sabbaticals and tiered PTO by tenure. Parental and caregiving leaves are described in detail, reinforcing time-away benefits as a standout component of the overall package.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle benefits are supported by offerings such as mental health support (e.g., app access), EAP resources, gym-related perks, and wellness incentives. Flexible working hours and related work-life supports add to the perceived day-to-day value of benefits.
RELX Insights
What We Do
RELX is a global provider of information-based analytics for professional and business customers across industries. We help scientists make new discoveries, doctors and nurses improve the lives of patients and lawyers win cases. We prevent online fraud and money laundering, and help insurance companies evaluate and predict risk. Our events enable customers to learn about markets, source products and complete transactions. In short, we enable our customers to make better decisions, get better results and be more productive. We do this by leveraging a deep understanding of our customers to create innovative solutions which combine content and data with analytics and technology in global platforms. RELX serves customers in more than 180 countries and has offices in about 40 countries. It employs approximately 30,000 people of whom almost half are in North America. We operate in four major market segments: Scientific, Technical & Medical; Risk & Business Analytics; Legal; and Exhibitions.
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