Senior Software Engineer (Java Backend)

BarkleyOKRP; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

BarkleyOKRP is seeking a Senior Software Engineer to help build cross-channel management tools that turn massive data streams into actionable insights across paid search, social, and retail media. You will design, develop, and maintain high-performance Java applications, architect scalable RESTful APIs, optimize SQL queries in MySQL, and contribute to evolving our architecture as we scale systems.

You will collaborate with cross-functional teams, participate in code reviews, and help drive best

Qualifications

• 5+ years of professional software development experience.
• Experience designing and maintaining enterprise Java applications.
• Strong SQL and relational database design skills (MySQL).
• Experience building and consuming RESTful web services.
• Bachelor's degree in Computer Science, Software Engineering, or related field.

Responsibilities

• Core Engineering: Write robust, efficient backend code in Java.
• API Architecture: Design, document, and consume REST APIs for internal/external use.
• Database Optimization: Write and optimize SQL queries for high throughput using MySQL.
• Version Control: Use Git and GitHub with proper branching and code reviews.
• System Evolution: Help modernize architecture and scale services for peak performance.

Skills

Java

SQL

REST APIs

Git/GitHub

Bachelor's degree in CS

Education

Bachelor's degree in Computer Science or related field

Tools

Git

GitHub

MySQL

Job description

We're looking for a Senior Software Engineer to join our engineering team building cross-channel management tools that turn massive, complex data streams into impactful actions across paid search, social, and retail media.

In this role, you'll play a key part in designing, developing, and maintaining high-performance Java applications. You'll architect scalable RESTful APIs, optimize complex database queries for high-throughput data, and help drive our technical evolution as we scale our systems.

What You'll Do

• Core Engineering: Write robust, efficient, and scalable backend code primarily in Java.
• API Architecture: Design, develop, document, and consume robust REST APIs for seamless integration with internal microservices, frontend apps, and external partners.
• Database Optimization: Write and optimize complex SQL queries using major relational database management systems (e.g., MySQL) to ensure high data integrity and performance at scale.
• Collaboration & Workflow: Manage version control using Git and GitHub, focusing on clean code history, clear branching/merging practices, and collaborative code reviews.
• System Evolution: Contribute to modernizing our architecture, helping transition and scale services for peak performance.

What We're Looking For

• Java Expertise: 5+ years of professional software development experience, with dedicated, hands‑on expertise developing and maintaining enterprise Java applications.
• Databases: Strong proficiency in SQL and relational database design using a major RDBMS like MySQL.
• API Development: Proven, professional experience in building and consuming RESTful web services.
• Version Control: Solid, practical understanding of Git and GitHub workflows (branching strategies, merging, resolving conflicts).
• Education: Bachelor’s degree in Computer Science, Software Engineering, or a related technical field.

Nice-to-Haves

• Hands-on experience deploying, managing, or monitoring applications on cloud platforms such as GCP.
• Hands-on experience with modern data stacks, particularly BigQuery and dbt.
• Experience transitioning legacy Java/Tomcat/MySQL tech stacks to modern cloud-native setups.
• Familiarity with modern AI productivity and coding tools (e.g., Claude, Gemini) to accelerate development workflows.

BarkleyOKRP’s Commitment to Diversity, Equity, Inclusion + Belonging

• At BarkleyOKRP, DEI+B drives work that matters. We believe people and creativity are made of the same substance, and when every perspective is valued, the impact is stronger. We build belonging as a business strategy, power inclusive creativity that delivers measurable results, and hold ourselves accountable as a B Corp committed to progress over performative intent. When people are valued, the work carries greater impact.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in BarkleyOKRP’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.