Principal Software Engineer - Product Platforms at Alpha Sense – Remote - United Kingdom | Jobyssey

About AlphaSense:

The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity research, company filings, event transcripts, expert calls, news, trade journals, and clients’ own research content.

The acquisition of Tegus by AlphaSense in 2024 advances our shared mission to empower professionals to make smarter decisions through AI-driven market intelligence. Together, AlphaSense and Tegus will accelerate growth, innovation, and content expansion, with complementary product and content capabilities that enable users to unearth even more comprehensive insights from thousands of content sets. Our platform is trusted by over 6,000 enterprise customers, including a majority of the S&P 500. Founded in 2011, AlphaSense is headquartered in New York City with more than 2,000 employees across the globe and offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Come join us!

About the Role:

We’re looking for a Principal Software Engineer to help define and build shared, API-first product platforms at AlphaSense that power multiple product surfaces, integrations, and agentic workflows.

In this role, you’ll focus on building platforms as products: well-designed APIs, clear contracts, strong reliability guarantees, and a roadmap driven by real product needs. These platforms are consumed by internal product teams, external integrations, including AI agents.

This role sits at the intersection of hands-on engineering and cross-product technical leadership. You’ll stay close to the code while shaping how product platforms are designed, evolved, and adopted across the company. You’ll also work across multiple teams and domains, helping to align long-term technical direction while still owning end-to-end systems. This is not a people-management role, nor is it a purely advisory architecture role. We’re explicitly looking for a Principal who enjoys building, prototyping, iterating, and solving complex problems in production.

What You’ll Do:

Act as a technical owner and force multiplier for API-first architecture across the company
Design, build, and evolve high-scale APIs used by internal teams, external customers, and intelligent agents
Lead the development of agentic workflows, including orchestration, state management, tooling, and integration patterns
Drive API standards, design principles, and best practices through hands-on work and technical reviews
Tackle complex cross-team problems where requirements are ambiguous, and constraints are real
Partner with Product, Platform, and SRE teams to ensure APIs are reliable, observable, secure, and scalable
Identify and reduce systemic technical risks while enabling teams to move faster
Mentor senior engineers and raise the technical bar through example, not hierarchy

Who you are:

Extensive experience as a senior staff/principal-level software engineer working on applications and backend systems
Experience building product platforms or shared services consumed by multiple product teams
Proven track record of designing, building, and operating APIs at scale
Strong hands-on experience with RESTful APIs
Some experience with GraphQL (design, usage, or operating in production)
Deep understanding of system design, performance, reliability, and evolution over time
Strong bias toward hands-on contribution and ownership of real systems
Ability to influence technical direction across teams through credibility and execution

Nice to have:

Experience building or enabling agentic or AI-driven workflows
Familiarity with MCP (Model Context Protocol) or similar agent integration patterns
Experience working in large-scale, distributed systems environments
Exposure to API governance, versioning strategies, and backward compatibility at scale
Experience working closely with the platform and SRE teams

AlphaSense is an equal-opportunity employer. We are committed to a work environment that supports, inspires, and respects all individuals. All employees share in the responsibility for fulfilling AlphaSense’s commitment to equal employment opportunity. AlphaSense does not discriminate against any employee or applicant on the basis of race, color, sex (including pregnancy), national origin, age, religion, marital status, sexual orientation, gender identity, gender expression, military or veteran status, disability, or any other non-merit factor. This policy applies to every aspect of employment at AlphaSense, including recruitment, hiring, training, advancement, and termination.

In addition, it is the policy of AlphaSense to provide reasonable accommodation to qualified employees who have protected disabilities to the extent required by applicable laws, regulations, and ordinances where a particular employee works.

Recruiting Scams and Fraud

We at AlphaSense have been made aware of fraudulent job postings and individuals impersonating AlphaSense recruiters. These scams may involve fake job offers, requests for sensitive personal information, or demands for payment. Please note:

AlphaSense never asks candidates to pay for job applications, equipment, or training.
All official communications will come from an @ email address.
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If you believe you’ve been targeted by a scam or have any doubts regarding the authenticity of any job listing purportedly from or on behalf of AlphaSense please contact us. Your security and trust matter to us.

Principal Software Engineer - Product Platforms

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