Senior Back End Java Engineer
Cincinnati, OH
Category: Development
Industry: Financial Services
Reference ID: JN -012026-105171
Date Posted: 01/22/2026
Shortcut: http://careers.eliassen.com/9HWEtq
Description:
Onsite in Cincinnati, OH
Our client is a large United States financial institution headquartered in Cincinnati. It operates a significant branch and ATM network across several states and is ranked on the Fortune 500. The organization has grown through mergers and continues to invest in technology to serve retail and commercial customers.
Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $62.00 to $72.00/hr. w2
Responsibilities:
Responsibilities
- Design and develop scalable and secure RESTful APIs used by iOS and Android applications.
- Build and maintain microservices in a cloud-native environment.
- Integrate backend services with mobile capabilities such as authentication, push notifications, and analytics pipelines.
- Conduct code reviews, debugging, monitoring, and performance tuning.
- Ensure reliability, scalability, and observability across backend services.
- Collaborate with mobile, web, DevOps, and product teams to deliver features.
- Maintain technical documentation and uphold engineering best practices.
- Participate in the full SDLC including requirements, design, development, testing, and production support.
Experience Requirements:
Experience Requirements
- 5+ years of hands-on backend development using Java.
- Strong expertise in Spring Boot, RESTful API design, and microservices architecture.
- Experience with Apache Kafka for event-driven systems.
- Proficiency with AWS services such as Lambda, ECS or EKS, S3, API Gateway, and RDS or DynamoDB.
- Experience with Kubernetes and containerized deployments.
- Familiarity with Terraform for infrastructure as code.
- Hands-on experience with CI/CD pipelines using Jenkins or similar tools.
- Experience using Dynatrace and/or Splunk for monitoring and logging.
- Understanding of backend support for mobile apps including authentication, performance, and scalability.
- Experience with RAG patterns, vector databases, or embeddings (preferred).
- Familiarity with model safety evaluations or responsible AI frameworks (preferred).
- Prior work building prototypes or proof-of-concept AI tools (preferred).
- Understanding of secure coding principles and adversarial AI risks (preferred).
Education Requirements:
Education Requirements
- Bachelor’s degree in Computer Science or related field, or equivalent experience.
- AWS certification (preferred).
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact InfoSec@eliassen.com.
-
Infrastructure Services Manager
Cincinnati, OH
Description: **100% On Site in Cincinnati, OH** Leading company in Plumbing, Sewer and Water headquartered in Cincinnati, OH. This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits package. Qualified applic...
Date Posted: 01/08/2026 Recommended
-
Resilience and Recovery Analyst
Cincinnati, OH
Description: Onsite in Cincinnati, OH Our client is a leading U.S. financial services organization headquartered in Cincinnati with a broad retail footprint and robust technology operations. The organization operates an extensive branch and ATM network...
Date Posted: 01/19/2026 Recommended
-
Platform Engineer III
Cincinnati, OH
Description: Headquartered in Cincinnati, OH Our client is a leading U.S. financial institution operating a large network of branches and ATMs across multiple states. The organization is a Fortune 500 company with a long history formed through the merg...
Date Posted: 01/12/2026 Recommended
-
Security Administrator
Cincinnati, OH
Description: We are looking to hire an experienced Security Administrator for our client who is a leading Plumbing, Sewer and Water Damage Company headquartered in Cincinnati, OH. This is a full-time, permanent opportunity, offering a competitive salar...
Date Posted: 01/04/2026 Recommended
-
Scrum Master
Cincinnati, OH
Description: **On Site in Cincinnati, Ohio** Banking institution with over 150 years of operation and offerings in commercial & consumer banking across 12 states Rate: $65-$75/hr W2 Due to client requirement, applicants must be willing and able to work...
Date Posted: 01/04/2026 Recommended
-
Mainframe Software Developer
Cincinnati, OH
Description: ***100% On Site in Cincinnati, Ohio*** Large Financial Services Client with headquarters in Cincinnati, Ohio. Rate: $65-$75/hr W2 Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants,...
Date Posted: 01/12/2026 Recommended
-
Data Engineer
Cincinnati, OH
Description: 100% On Site in Cincinnati, Ohio We are looking for an enthusiastic Data Engineer who demonstrates great communication skills, curiosity, and a desire to learn a new business and its supporting technical processes. This is an exciting role...
Date Posted: 01/06/2026 Recommended
-
Business Analyst / Defect Manager
Greenwood Village, CO
Description: **Hybrid | Greenwood Village, CO** Our client, a leader in their industry, has an amazing opportunity for a Business Analyst / Defect Manager. Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2...
Date Posted: 01/11/2026 Recommended
-
Data Engineer
Anywhere
Description: Remote Our client is a global food manufacturer based in the Northeastern United States. The organization delivers consumer products at scale and invests in modern data capabilities to support decision making. Due to client requirements, a...
Date Posted: 01/19/2026 Recommended
-
Principal Fullstack Software Engineer
Jersey City, NJ
Description: Hybrid 2 weeks per month onsite in Jersey City, NJ The organization acts as the investment advisor to a broad family of mutual funds and supports multiple investment communities with research, trading, and portfolio management. A dedicated...
Date Posted: 01/19/2026 Recommended
-
Senior Full Stack Engineer
Durham, NC
Description: Hybrid Every other week onsite/5 days in Durham, NC Our client is building a new platform for fund and investment operations and seeks a senior full stack engineer to deliver Angular front ends and Java Spring Boot microservices on AWS EKS...
Date Posted: 01/13/2026 Recommended
-
Commercial BioPharma Project Manager/Business Analyst
Cambridge, MA
Description: Our Life Sciences client, located in Cambridge, MA, needs a contract Project Manager/Business Analyst with Life Sciences industry experience. Specific experience with information systems that support the Commercial and/or Medical Affairs d...
Date Posted: 01/08/2026 Recommended
-
Ember.js Web Developer
Anywhere
Description: **100% Remote** You will be expected to work collaboratively with the team while taking responsibility for your own contributions. You should be comfortable taking ownership over a specific goal or problem Due to client requirement, applic...
Date Posted: 01/06/2026 Recommended
-
Senior Java / Microservices Engineer
Westlake, TX, NC
Description: Hybrid in Westlake, TX Join our dynamic team where we are dedicated to delivering exceptional digital experiences. We are seeking a talented 8+ year Java Engineer to be a key player for our client’s technology team. If you are passionate a...
Date Posted: 01/03/2026 Recommended
-
AI Cyber Defense Engineer
Anywhere
Description: Remote Our client is a large U.S. financial institution headquartered in Cincinnati, Ohio, operating over one thousand branches across multiple states. The organization is a Fortune 500 company and one of the largest banks in the United St...
Date Posted: 01/22/2026 Recommended
-
Senior Java Data Platform Engineer (Spring Batch & AWS)
Westlake, TX
Description: Our client, a leader in their industry, has an excellent opportunity for a Senior Java Data Platform Engineer to work on a 12-month+ contract position working hybrid in Westlake, TX, two weeks per month. Candidates local to Dallas, TX are ...
Date Posted: 01/05/2026 Recommended
-
Platform Engineer
Anywhere
Description: **100% Remote** We are seeking a skilled Backend Development Engineer to help drive the evolution of our backend systems. This role will focus on developing new features on an existing platform, modernizing legacy systems, and contributing...
Date Posted: 01/18/2026 Recommended
-
Senior DevOps Engineer
Concord, CA
Description: Hybrid 3 days/week onsite in Concord, CA We are hiring two Senior DevOps Engineers to lead build, automation, and operations for modern cloud platforms with emphasis on AIOps and the model/ML development lifecycle. You will partner with Da...
Date Posted: 01/21/2026 Recommended
-
Software Engineer in Test
Westlake, TX
Description: Hybrid in Westlake, TX The organization is a leading financial services firm supporting philanthropy and donor-advised fund solutions within a broader enterprise footprint. The team builds new trade desks and customer-facing platforms, emp...
Date Posted: 01/12/2026 Recommended
-
Senior React Developer
Columbus, OH
Description: **Hybrid 3 days per week in Columbus** Leading Private Aviation Company in Columbus, OH This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For o...
Date Posted: 01/08/2026 Recommended
-
Site Reliability Engineer
Westlake, TX, NC
Description: Hybrid Every other week onsite/5 days in either Westlake, TX or Merrimack, NH We have an excellent opportunity to join our client as a Site Reliability Engineer in a dynamic environment. This 12-month contract, with likelihood of extension...
Date Posted: 01/19/2026 Recommended
-
Transformation/Change Leader
Hartford, CT
Description: **2-3 days a week onsite required in Harford, CT, Charlotte, NC or Branchville, NJ**Contract to hire**W2 only** Role Overview: We are seeking a visionary Transformation Leader to drive strategic change across the organization. This role re...
Date Posted: 01/09/2026 Recommended
-
AI/ML Engineer
Plano, TX
Description: **Hybrid | -2 days/week onsite (Plano, TX or Alpharetta, GA)** Our client is looking for AI/ML Engineers to support critical projects in their CDO. We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great...
Date Posted: 01/17/2026 Recommended
-
Backend Software Engineer
Charlotte, NC
Description: Hybrid 3 days onsite in Charlotte, NC Our client is a Fortune 500 electric power company serving approximately 7.4 million customers across six states in the Southeast and Midwest. Headquartered in Charlotte, NC, the organization offers lo...
Date Posted: 01/22/2026 Recommended
-
Senior Project Manager – Infrastructure Services
Boston, MA
Description: Onsite in Boston, MA The Senior Project Manager will lead infrastructure services projects, align stakeholders, and deliver quality outcomes within scope, schedule, and budget. The role advances strategic objectives through disciplined pro...
Date Posted: 01/14/2026 Recommended
-
Senior Machine Learning Ops Engineer
Durham, NC
Description: Hybrid Every other week onsite/5 days in either Durham, NC, Jersey City, NJ or Westlake, TX Our client’s enterprise data science platform team builds advanced cloud and software solutions to package, deploy, and scale AI/ML models in produ...
Date Posted: 01/20/2026 Recommended
-
Enterprise Infrastructure Architect
Orange County, CA
Description: Onsite in Orange County, CA We are seeking a highly experienced Enterprise Infrastructure Architect to lead a migration from on-premises to a hybrid cloud model using Microsoft Azure and AWS. The architect will design secure, scalable infr...
Date Posted: 01/06/2026 Recommended
-
Cybersecurity Firewall Analyst
Charlotte, NC
Description: Hybrid 3 on in Charlotte, NC We have an opportunity to join our client as a Cybersecurity Firewall Analyst on a 12-month contract with likelihood to extend. The organization is a stable and growing enterprise where consultants have deliver...
Date Posted: 01/22/2026 Recommended
-
Sr. Network Engineer
Anaheim, CA
Description: Onsite in Anaheim, CA Our client is a large, member-focused financial services cooperative serving Southern California, offering comprehensive financial services across many branches. The organization provides broad access to ATMs and digi...
Date Posted: 01/07/2026 Recommended
-
Software Engineer in Test
Merrimack, NH
Description: Onsite in Merrimack, NH The organization provides comprehensive workplace services spanning defined contribution and defined benefit administration, health and welfare, human resources, and payroll solutions. It supports millions of employ...
Date Posted: 01/13/2026 Recommended
Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above