Senior Core Developer

Jain Global LLC; New York (NY); Hybrid; USD 190,000 - 225,000; Full time

Job summary

Jain Global LLC seeks a Senior Core Developer to shape and evolve its internal core platform across front, middle, and back-office tooling. You will own core services, define standards, and drive reusable frameworks while partnering with business units to align features with workflows.

The role emphasizes product-oriented engineering, cross-functional collaboration, and mentoring, with emphasis on security, observability, and scalable architectures in a fast-moving enterprise setting.

Qualifications

• 6+ years in software/core platform engineering in high-performance environments.
• Experience delivering internal tooling or shared platforms focused on user needs.
• Strong Python; knowledge of C++, Java, or C# a plus.
• Experience with Docker, Kubernetes, CI/CD pipelines, and cloud infra.
• Experience with generative AI integration and LLMs.
• Excellent communication and cross-functional collaboration.

Responsibilities

• Design and build internal core platform services (auth, permissions, UI frameworks, data access).
• Partner with PMs, operations, risk, and other teams to prioritize features.
• Own core components of the application stack including orchestration, observability, and deployment pipelines.
• Define standards for architecture, patterns, and onboarding for internal teams.
• Drive reusable frameworks to reduce development time and ensure consistency.
• Collaborate with infra, data, and security teams for resilience and security.
• Mentor engineers and promote best practices in development and ops.
• Design and integrate generative AI workflows and LLM-powered services.

Skills

Python

C++

Java

Cloud AWS

Distributed systems

Communication

Product collaboration

Education

Bachelor's degree in Computer Science or related

Tools

Docker

Kubernetes

GitHub Actions

ArgoCD

FastAPI

LLM integration

Job description

## Senior Core DeveloperApply: New York, New York: Full time: Posted Today: JR100585## Job Description:**Role Overview**We are seeking a Senior Core Developer who combines deep technical expertise with strong product intuition and stakeholder alignment. This role is central to the design and evolution of the firm’s internal core platform, enabling the delivery of high-impact, scalable software solutions across front, middle, and back-office teams.The ideal candidate will be a product-oriented engineer—comfortable working closely with business users to understand their workflows and pain points, and delivering tooling, frameworks, and services that directly improve the speed and quality of internal application development. This is a high-ownership, cross-functional role within a global, fast-moving environment.**Key Responsibilities*** Design and build internal core platform services (e.g., authentication, user permissions, UI frameworks, data access layers) that power business-critical applications.* Partner with PMs, operations, risk, compliance, investment teams, and other enterprise-scale business functions (e.g., marketing, or data platforms) to understand use cases, prioritize features, and deliver thoughtful, well-scoped solutions.* Own core components of the application stack including service orchestration, observability, error handling, deployment pipelines, and shared libraries.* Define standards for application architecture, frontend/backend patterns, and platform onboarding for internal developer teams.* Drive the delivery of reusable frameworks that reduce development time and promote consistency across teams.* Collaborate with infrastructure, data, and security teams to ensure resilience, security, and scalability of platform components.* Mentor engineers and champion best practices across product development, testing, and operational support.* Design and integrate generative AI workflows, vector databases, and LLM-powered services to accelerate internal application development.**Qualifications*** 6+ years of experience as a software or core platform engineer in complex, high-performance environments (e.g., hedge funds, fintech, capital markets, enterprise SaaS, or large-scale data/AI platforms).* Proven success delivering internal tooling or shared platforms with a clear focus on user needs and business alignment.* Strong software engineering skills in Python; experience with C++, Java, C#, or other compiled languages a plus.* Familiar with multi-threading concepts building high throughput, low latency systems; experience with backend frameworks (e.g., FastAPI, Node.js).* Hands-on experience with building cloud-native apps, containerization (Docker), orchestration (Kubernetes), CI/CD (GitHub Actions, ArgoCD, Jenkins, Spinnaker, or equivalent tools), and cloud infrastructure (AWS preferred, GCP experience welcome).* Experience integrating generative AI and LLMs into modern technical solutions (e.g., LLM orchestration, RAG, embeddings, vector databases).* Familiarity with RBAC/ABAC, microservice architecture, and service mesh patterns.* Excellent communication skills; ability to translate between technical and non-technical audiences and drive cross-functional initiatives.**Preferred Experience*** Experience working with non-technical stakeholders (e.g., operations, risk, compliance, finance) to co-design workflows and applications.* Exposure to low-code/no-code platforms or internal developer portals.* Prior experience in building application platforms or shared component libraries in fast-growing organizations.* Knowledge of operational or risk-related workflows in a hedge fund, financial institution or similarly regulated/high-performance industries.**Compensation**Jain Global offers a total compensation package which includes a base salary, discretionary bonus, and comprehensive benefits. The estimated base salary range for this position is $190,000 to $225,000, which is specific to New York and may change in the future. When finalizing an offer, we take into consideration an individual’s experience level and the qualifications they bring to the role to formulate a competitive total compensation package.**We are an Equal Opportunity Employer**As an employer, we believe every individual brings with them unique diversity of thought and perspectives to meaningfully enrich perspectives of Jain Global teams to drive competitive performance. We believe an inclusive environment can yield exceptional contributions.