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**Principal Full Stack Java Engineer (REST, AWS, Kafka, Python)** - Lead frontend, backend, and cloud projects; mentor engineers. - 10+ years of full stack experience, driving enterprise-grade solutions. - Expertise: Java, Python, REST, AWS (Lambda, EKS), Kafka, PostgreSQL, Angular, Microservices. - Collaborate across teams, define engineering standards, improve performance. - Kickstart next-gen platform, enhance customer experiences, build AI-first mindset.
- Compensation
- Not specified USD
- City
- Not specified
- Country
- Not specified
Currency: $ (USD)
Full Job Description
Job Description:
The Personalization (PZN) Platform within Fidelity Brokerage is seeking a Principal Full Stack Engineer to lead the design and delivery of next-generation platform capabilities.
You will provide Technical leadership across frontend, backend, and cloud, driving scalable, reusable solutions and modernization initiatives aligned with enterprise standards. As a Technical leader, you will mentor engineers and champion best practices across development, DevOps, and system design.
The Expertise You Have
- 10 plus years of full stack engineering experience delivering scalable, enterprise-grade solutions
- Bachelors degree in Computer Science or a related field, with strong foundations in systems design, algorithms, and software engineering principles
- Proven ability to lead architecture and design decisions, evaluate trade-offs, and guide teams toward modern, maintainable solutions
- Strong object-oriented programming expertise using Java and Python
- Expertise in designing and developing RESTful services using Java, Spring Boot, Swagger/OpenAPI, and Docker
- Hands-on experience building cloud-native applications on AWS (Lambda, EKS, SQS, SNS, Kinesis, S3)
- Strong experience with relational, NoSQL and Analytical databases, including PostgreSQL, DynamoDB, Elasticsearch, ElastiCache, and Snowflake
- Experience with event-driven and streaming architectures using Kafka, Artemis, and Flink
- Exposure to modern frontend technologies such as Angular and Node.js (TypeScript)
- Proven expertise in microservices architecture, API development, and domain-driven design (DDD)
- Experience designing systems for high availability, resiliency, and performance at scale
- Experience implementing observability and monitoring solutions, including tracking code quality, API performance, cloud efficiency, and system health
- Exposure to AI/ML technologies, developer productivity tools, and automation frameworks
- Experience defining engineering standards, architectural patterns, and modernization strategies
The Skills You Bring
- You thrive in collaborative, team-based environments and enjoy solving complex, ambiguous problems
- You communicate clearly and effectively with engineers, product partners, and leadership stakeholders
- You demonstrate strong technical leadership and are passionate about coaching and mentoring engineers
- You have the ability to collaborate across distributed teams and influence key architectural decisions
- You bring curiosity, initiative, and a strong sense of ownership to your work
The Value You Deliver
- Lead design and delivery of core platform capabilities powering personalized experiences
- Translate business needs into scalable, high-quality solutions with architects and product leaders
- Improve performance, resiliency, and operational efficiency
- Drive modernization, reducing technical debt and enhancing developer productivity
- Mentor engineers and elevate technical excellence and engineering culture
- Accelerate delivery through platform reuse, standardization, and DevOps automation
- Foster a culture of innovation, accountability, and continuous improvement
- Promote an AI-first engineering mindset using AI-assisted tools and intelligent automation
About the Team
The PZN Platform team delivers next-generation digital capabilities that enable scalable, personalized, rule- and AI-driven, insight-led customer experiences. We build and operate highly available, cloud-native platforms that support planning, orchestration, and seamless integrations across multiple business domains.
Our team operates in a fast-paced Agile environment, partnering closely with architecture, product, and operations teams, as well as upstream and downstream systems, to deliver resilient and extensible solutions.
Certifications:
Category:
Information TechnologyPlease be advised that Fidelitys business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.
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Benefits that balance life and work
From our fully paid parent leave to our on-site health and wellness centers, our benefits support the belief that more balance you have, the better you can achieve your goals.
Company overview
Company overview
At Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want. We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experience.
Reasonable accommodations
Fidelity will reasonably accommodate applicants with disabilities who need adjustments to participate in the application or interview process. To initiate a request for an accommodation contact the HR Accommodation Team by sending an email to accommodations@fmr.com, or by calling 800-835-5099, prompt 2, option 3.
Equal opportunity employer
Fidelity Investments is an equal opportunity employer. We believe that the most effective way to attract, develop, and retain a diverse workforce is to build an enduring culture of inclusion and belonging.
Applicant screening
At Fidelity, we value honesty, integrity, and the safety of our associates and customers within a heavily regulated industry. Certain roles may require candidates to go through a preliminary credit check during the screening process. Candidates who are presented with a Fidelity offer will need to go through a background investigation and may be asked to provide additional documentation as requested. This investigation includes but is not limited to a criminal, civil litigations and regulatory review, employment, education, and credit review (role dependent). These investigations will account for 7 years or more of history, depending on the role. Where permitted by federal or state law, Fidelity will also conduct a pre-employment drug screen, which will review for the following substances: Amphetamines, THC (marijuana), cocaine, opiates, phencyclidine.
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