Photon

Builds custom software and AI for big companies

Senior Developer - Java API, MCP

Backend EngineeringConfirmed live in the last 24 hours

Full-timeIndiaIn-person

About the Job

Requirements

Strong experience with microservices.
Hands-on API development using Java and Spring Boot.
Experience with event-driven integration technologies such as Kafka and MQ.
Experience with document or NoSQL stores such as MongoDB.
Familiarity with relational databases such as PostgreSQL.
Experience with build tools such as Maven and Gradle.
Exposure to CI/CD pipelines such as Jenkins.
Understanding of cloud-native application development.
Ability to package, deploy, and run services in containers, including Docker fundamentals and Docker Compose entry points.
Experience packaging and deploying applications in containerized environments such as OpenShift.
Familiarity with Helm charts and resource configurations such as CPU and memory.
Understanding of OAuth2-based authentication.
Awareness of OWASP Top 10 vulnerabilities.
Familiarity with enterprise implementations such as Citi’s OAuth2-based COIN platform.
Hands-on debugging experience using logs, Grafana dashboards, and container-level diagnostics.

Desired Qualifications

Experience building MCP clients and integrating with MCP Server/Registry.
Exposure to LLM-based workflows.
Experience with AI-assisted development tools such as Copilot and Cursor.
Some frontend exposure; React is preferred and Angular is acceptable.
Ability to integrate user interfaces with backend APIs.
Exposure to public cloud environments.

Must-Have Skills

Backend & Architecture

• Strong microservices experience

• Hands-on API development using Java (Spring Boot)

• Experience with event-driven integration (Kafka, MQ, etc.)

Data & Storage

• Experience with document / NoSQL stores (e.g., MongoDB)

• Familiarity with relational databases (e.g., PostgreSQL)

DevOps & Build

• Experience with build tools (Maven, Gradle)

• Exposure to CI/CD pipelines (e.g., Jenkins)

Cloud & Runtime

• Understanding of building applications as cloud-native

• Ability to package, deploy, and run services in containers

• Understanding of Docker fundamentals

Docker Compose, entry points

• Experience packaging and deploying applications in containerized environments (OpenShift)

• Familiarity with Helm charts (resource configs like CPU/memory)

Security

• Understanding of OAuth2-based authentication

• Awareness of OWASP Top 10 vulnerabilities

• Familiarity with enterprise implementations (e.g., Citi’s OAuth2-based COIN platform)

Troubleshooting & Observability

• Hands-on debugging experience using logs, Grafana dashboards, and container-level diagnostics

Good-to-Have Skills

Gen AI / MCP / Tooling

• Experience building MCP clients and integrating with MCP Server/Registry

• Exposure to LLM-based workflows

• AI-assisted development (Copilot, Cursor, etc.)

Frontend

• Some frontend exposure (React preferred, Angular acceptable)

• Ability to integrate UI with backend APIs

Cloud

• Exposure to public cloud environments

Note: Citi primarily uses private cloud via OpenShift

Compensation, Benefits and Duration
Minimum Compensation: USD
Maximum Compensation: USD
Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role.
Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full time employees.
This position is not available for independent contractors
No applications will be considered if received more than 120 days after the date of this post

About the Company

Photon

Builds custom software and AI for big companies

Photon designs, builds, and runs custom software for large companies, combining an in-house creative agency with its own engineering teams. Its flagship client work includes rebuilding Samsung's US online store as a set of smaller linked services and creating Olive Garden's mobile app, which lets diners join the waitlist from their phones instead of waiting at the door. Clients hire Photon's teams to plan and code their apps, websites, and AI tools and to keep them running afterward, paying for the engineers and designers assigned to each project. Photon is privately held and based in London, with its US arm in Dallas and engineering centers in Chennai and Bengaluru.

Company size: 5,001-10,000
Company stage: Not listed
Total funding: Not listed
Headquarters: London, United Kingdom
Founded: Not listed

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