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BNY

Senior Java Full Stack Developer (contract)

On site

Lake mary, United states

Senior

Freelance

19-02-2026

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Skills

Communication Teamwork Java JavaScript C# TypeScript HTML CSS SQL NoSQL Data Warehousing MongoDB PostgreSQL Encryption CI/CD Docker Kubernetes Test Architecture Data Architecture Databases angular SQL Server Azure react AWS Software Development cloud platforms SDLC Junit Organizational Skills JavaScript/TypeScript Spring PL/SQL GCP Redis Talend Spring Boot CI/CD Pipelines Kafka Microservices

Job Specifications

At BNY, our culture allows us to run our company better and enables you to grow and succeed. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the world’s investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide.

Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance – and this is what is all about. Join us and be part of something extraordinary.

Job Summary:

Senior Full-Stack Developer role supporting enterprise software engineering initiatives with a strong emphasis on full-stack application development, system integration, and database-driven architecture. The position involves designing, building, testing, deploying, and maintaining critical technology platforms using modern front-end and back-end technologies while ensuring performance, security, and scalability. This is a hybrid role based in Lake Mary, FL (4+ days onsite per week).

Key Responsibilities:

Full-Stack Application Development: Design and develop well-structured, testable, and efficient applications using Java, Spring Boot, REST APIs, Angular/JavaScript, HTML, CSS, and related technologies across front-end and back-end layers.
Database Engineering & Data Architecture: Design, develop, and optimize relational and NoSQL database schemas for OLTP and OLAP workloads; write advanced SQL/PL code (stored procedures, functions, triggers, views); build reusable data access components; support ETL/ELT pipelines and data validation processes.
End-to-End SDLC Ownership: Own the full software development lifecycle including requirements gathering, design, implementation, testing, documentation, deployment, and long-term maintenance.
System Integration & APIs: Build and integrate RESTful APIs and microservices, ensuring clean data contracts, cross-platform interoperability, and reliable system integrations.
Testing, Quality & Automation: Develop unit, integration, and end-to-end tests (JUnit, Cucumber); support automated testing, QA procedures, verification plans, and test data reviews.
Performance & Reliability: Monitor and tune application and database performance (query optimization, indexing, partitioning, caching, profiling); troubleshoot, debug, and upgrade systems to ensure high availability and scalability.
Security & Compliance: Apply secure coding practices, encryption, RBAC, auditing, input validation, and privacy principles throughout the development lifecycle.

Qualifications:

7+ years of full-stack software development experience
Strong proficiency in Java, Spring Boot, REST, JavaScript/TypeScript, Angular/React, HTML, CSS, JSON
Expert-level experience with relational databases (Oracle, SQL Server, PostgreSQL) and familiarity with NoSQL (e.g., MongoDB)
Advanced SQL and procedural languages (PL/SQL, T-SQL), including query optimization, window functions, and CTEs
Experience with ETL/ELT tools and orchestration (e.g., SSIS, Informatica, Talend, dbt, Airflow)
Experience with automated testing frameworks (JUnit, Cucumber), CI/CD pipelines, and migration tooling (e.g., Liquibase)
Familiarity with messaging/streaming technologies (MQ, Kafka) and cloud platforms (AWS, Azure, or GCP)
Knowledge of application frameworks, microservices, containerization (Docker/Kubernetes), and cross-platform interoperability
Strong understanding of secure development practices and compliance fundamentals
Strong communication, teamwork, and organizational skills
Bachelor’s degree in Computer Science, Engineering, Information Systems, or related field (or equivalent experience)

Preferred Experience:

Experience in the securities or financial services industry
Exposure to C#
Background in data warehousing, BI/reporting platforms, caching technologies (e.g., Redis), and performance profiling tools

Why Join Us:

This role offers the opportunity to work on modern, high-impact enterprise applications within a collaborative engineering environment that values quality, learning, and continuous improvement. You’ll gain exposure to a broad technology stack—including cloud platforms, messaging systems, automation, and modern front-end frameworks—while playing a key role in strengthening the stability, performance, and evolution of mission-critical systems.

At BNY, our culture speaks for itself, check out the latest BNY news at:

BNY Newsroom

BNY LinkedIn

Here’s a few of our recent awards:

America’s Most Innovative Companies, Fortune, 2025

World’s Most Admired Companies, Fortune 2025

“Most Just Companies”, Just Capital and CNBC, 2025

Pay Rate Range

79.2 - 99 USD hourly

Additional Notes

Applications will be accepted on an ongoing basis.

This posting is for a contract assignment with Tundra Technical Solutio

About the Company

We help make money work for the world -- managing it, moving it and keeping it safe. As a leading global financial services company at the center of the world's financial system, we touch nearly 20% of the world's investable assets. Today we help over 90% of Fortune 100 companies and nearly all the top 100 banks globally access the money they need. For more than 240 years we have partnered alongside our clients to create solutions that benefit businesses, communities and people everywhere. Follow BNY on Instagram & X: @BNYg... Know more