Explore 10 principal java developer jobs from 2 hiring companies in Council Bluffs, IA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Principal Java Developer Jobs

ACI Worldwide

Northrop Grumman

Hybrid

19109 SPEEDPAY RD

Principal Software Engineer

8-12 years software engineering with technical leadership; experience delivering large-scale systems; Java/J2EE, Python; microservices; AI/ML; payments domain preferred.

<a name="_Hlk213332428">Powering the world’s payments ecosystem</a>ACI powers the payments ecosystem – globally, and you power ACI.&nbsp; You’ll innovate, collaborate, and grow – in an energetic technology culture with decades of proven success.&nbsp; ACIers – in all roles and levels – are truly your colleagues and many are your friends. Our size and reach allow you to see the global impact of your work. You are visible, your talents are valued, and you are empowered to shape the future of payments.&nbsp;As a Principal Site Reliability Engineer&nbsp;in Norcross, GA or Omaha, NE,&nbsp;&nbsp;you will join a diverse, passionate team, dedicated to powering the world’s payments ecosystem! Job Summary: The Principal Site Reliability Engineer is embedded directly with our product teams, working&nbsp;closely with them to design, code, test, run, and evolve the systems that help people around the&nbsp;world make payments. We work closely with ACI teams to drive adoption of modern reliability&nbsp;practices like SLOs, error budget policies, actionable alerts, follow-the-sun on-call, incident&nbsp;retrospectives, chaos testing, and end-to-end ownership. &nbsp;Job Responsibilities:<ul style="list-style-type:disc;"><li>Design, develop, deploy, and motivate the creation of software and systems to increase&nbsp;product reliability and organizational efficiency.</li><li>Guide reliability practices through the entire software development lifecycle through&nbsp;activities like architecture reviews, code reviews, creating platforms and frameworks,&nbsp;capacity planning, and chaos testing.</li><li>Maintain service health by implementing and evolving monitoring, alerting, self-healing&nbsp;and follow-the-sun incident response.</li><li>Improve service reliability through blameless post-incident reviews and using code to&nbsp;prevent or respond to problem recurrence. Function as a key technical and culture&nbsp;leader throughout your assigned line of business</li><li>Drive and evolve the overall resilience strategy of your given line of business leveraging&nbsp;industry and internal tools&nbsp;</li><li>Ensure that local and cross-site redundancy mechanisms are meeting requirements,&nbsp;work as designed and are ever evolving&nbsp;</li><li>Set, maintain, and enforce standards across deployment practices, operations etc.&nbsp;</li><li>Engage in change review as a key member.&nbsp;</li><li>Function as a key contributor to overall capacity, peak season and business continuity&nbsp;methodologies and testing for your space&nbsp;</li><li>Interface directly with key clients as needed&nbsp;</li><li>Support and help standardize sales responses for your space by helping to craft the go&nbsp;forward offers with business and DevOps teams aligning costs, SLAs and technology.&nbsp;</li><li>Perform other duties as assigned</li><li>Understand and adhere to all corporate policies to include but not limited to the ACI&nbsp;</li><li>Code of Business Conduct and Ethics. &nbsp;</li></ul>Knowledge, Skills and Experience required for the job:&nbsp;<ul style="list-style-type:disc;"><li>BS degree in Computer Science, related technical field, or equivalent practical&nbsp; experience.</li><li>Experience in data structures, database systems, algorithms, and software design.</li><li>Experience writing code in Java, Go, Shell, Python, or a similar language.</li><li>Ability to debug, optimize code, and automate routine tasks.</li><li>Practical skills with RDBs (such as PostgreSQL, Oracle), NoSQL KV stores (such as&nbsp; Cassandra) and messaging systems (such as Kafka, RabbitMQ and MQ) or equivalent</li><li>Proven ability to drive organizational adherence to SRE topics like SLOs, resilience,&nbsp; scaling, performance, and more</li><li>15+ years of experience &nbsp;</li></ul>&nbsp;Preferred Knowledge, Skills and Experience needed for the job:&nbsp;<ul style="list-style-type:disc;"><li>Experience in an SRE or Production Engineering role</li><li>Experience with a globally distributed team</li><li>Take initiative to solve problems using a scientific approach</li><li>Apply appropriate new technologies and processes</li><li>Skilled in providing substantial feedback on distributed system designs</li><li>Collaboration skills &nbsp;</li></ul>&nbsp;Work Environment:<ul style="list-style-type:disc;"><li>Office work environment</li><li>Collaborative team</li><li>Prolonged periods of sitting at a desk and working on a computer</li><li>Up to 20% Travel, may be domestic or international</li><li>Weekend and off-hours support may be required</li></ul>&nbsp;<a name="_Hlk213332553">Applicants must be currently authorized to work in the United States&nbsp;on a full-time basis. This position does not offer sponsorship for employment visa status or work permit now or in the future.</a>In return for your expertise, we offer opportunities for growth, career development, and a competitive compensation and benefits package—all within an innovative and collaborative work environment.<a name="_Hlk213332607">Are you ready to help us transform the payments ecosystem? To learn more about ACI Worldwide, visit our web site at&nbsp;</a><a href="http://www.aciworldwide.com">www.aciworldwide.com</a>&nbsp;Job ID (Requisition #18670)ACI Worldwide is an AA/EEO employer in the United States, which includes providing equal opportunity for protected veterans and individuals with disabilities, and an EEO employer globally.Important Notice About Recruitment Scams Job seekers should be aware of ongoing recruitment scams where individuals or organizations impersonate legitimate companies to offer fake job opportunities. These scams often involve requests for personal information, payments, or interviews through unofficial channels. Please be cautious and verify any communications claiming to be from our company (<a href="http://www.aciworldwide.com" target="_blank" title="http://www.aciworldwide.com/">www.aciworldwide.com</a> / @aciworldwide.com). The ACI Worldwide recruitment team will always follow official channels and will never request payment.&nbsp;#LI-LF1#Hybrid<h2>Company</h2><div><a href="https://www.aciworldwide.com/" target="_blank" rel="nofollow">ACI Worldwide</a>&nbsp;is a global leader in mission-critical,&nbsp;<a href="https://www.aciworldwide.com/about-aci" target="_blank" rel="nofollow">real-time payments software</a>. Our proven, secure and scalable software solutions enable leading corporations, fintechs and financial disruptors to process and manage&nbsp;<a href="https://www.aciworldwide.com/solutions/aci-low-value-real-time-payments" target="_blank" rel="nofollow">digital payments</a>, power&nbsp;<a href="https://www.aciworldwide.com/solutions/aci-omni-commerce" target="_blank" rel="nofollow">omni-commerce payments</a>, present and process&nbsp;<a href="https://www.aciworldwide.com/solutions/aci-speedpay" target="_blank" rel="nofollow">bill payments</a>, and manage&nbsp;<a href="https://www.aciworldwide.com/solutions/aci-fraud-management-banking" target="_blank" rel="nofollow">fraud and risk</a>. We combine our global footprint with a local presence to drive the&nbsp;<a href="https://www.aciworldwide.com/about-aci" target="_blank" rel="nofollow">real-time digital transformation</a>&nbsp;of payments and commerce.</div>

Principal Site Reliability Engineer

BS in Computer Science or related field; 15+ years of experience; strong SRE/production engineering background; proficiency in Java/Go/Python; database and messaging systems; experience with SRE practices and distributed systems.

8-12 years software engineering with technical leadership; experience delivering large-scale systems; payments/regulated industry preferred.

8-12 years software engineering with leadership; Bachelor's in CS or related field; Master's preferred; experience delivering large-scale systems; payments/regulated industry experience preferred.

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the Time<h2>Description</h2>At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people&#39;s lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation&#39;s history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage, and a pioneering spirit to join forces to invent the future and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they&#39;re making history.Northrop Grumman Defense Systems has an opening for a Principal Engineer Software. We are looking for you to join our team as a Principal Engineer Software based out of Orlando, FL OR Bellevue, NE.As a Principal Engineer Software at Northrop Grumman, you will have a challenging and rewarding opportunity to be a part of our Cross-Domain Handling of Releasable Data (CHORD) portfolio. CHORD is a Foreign Military Sales (FMS) two-domain Cross Domain Solution (CDS). The CHORD portfolio comprises multiple contract awards and with various customers. The successful candidate will be exceptionally meticulous, collaborative, open, transparent, and team-oriented with a focus on team empowerment &amp; personal responsibility, flexibility, continuous learning, and a culture of seeking the best performance from everyone.Roles &amp; Responsibilities:You will develop, maintain, and enhance complex and secure software systems based upon documented requirements. You will be responsible for working individually or as part of a team to review and test software components for adherence to the design requirements and documents test results.Our team is seeking a talented engineer who resolves software problem reports, utilizes software development and software design methodologies appropriate to the development and software design methodologies appropriate to the development environment.You shall use your experience with creating specific input to the software components of system design to include hardware/software tradeoffs, software reuse, use of Commercial Off-the-Shelf (COTS)/ Government Off-the Shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.Basic Qualifications:<ul><li>Bachelors of Science in Engineering, Computer Science or other STEM discipline, and 5 years of related technical experience; Master’s degree in a STEM field and 3 years of related technical experience, or PHD in a STEM field and 1 years of related technical experience.</li><li>Active DoD Secret Clearance.</li><li>Demonstrated experience developing software using Java, Rust, C, C&#43;&#43;, C#, or Python.</li><li>Demonstrated experience with debugging existing software and correcting defects.</li><li>Demonstrated experience with the SDLC and agile methodologies.</li><li>Development experience in Linux environment, preferably RHEL.</li></ul>Preferred Qualifications:<ul><li>Experience using Bash or similar scripting languages to automate tasks.</li><li>Experience configuring and using SonarQube, Fortify, or other code analyzers.</li><li>Experience with automated testing frameworks such as Eggplant and Microsoft Testing Framework.</li><li>Experience with Continuous Integration Technologies such as Jenkins and Bamboo.</li><li>Experience using Visual Studio Code (VS Code).</li><li>Experience with Software Configuration Management tools such as Git.</li><li>Experience creating XML Schema Definitions (XSD) based on complex interface requirements.</li><li>Development experience with Sockets, MQueues, Threading/Multithreading, or Named Pipes.</li><li>Development experience with HTTP, IP, or UDP protocols.</li><li>Development experience with LXC or Containers.</li><li>Demonstrated experience developing Linux software applications.</li><li>Demonstrated experience working with XML Schemas and XML processing tools.</li><li>Knowledge of networking protocols and secure communication techniques.</li></ul>Primary Level Salary Range: $98,400.00 - $147,600.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Bachelor's/Master's/PhD in STEM with 5/3/1+ years; Active DoD Secret Clearance; Java, Rust, C, C++, C#, Python; SDLC and Agile; Linux (RHEL).

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