java/j2ee senior developer Jobs in baltimore, md

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Senior Software Engineer (Onsite)

RTX Corporation

Maryland, USA

Full-time

Date Posted: 2025-03-31 Country: United States of America Location: MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has

Senior Staff IT Developer

Right Skale, Inc.

Illinois, USA

Third Party

The Staff/Senior Staff IT Developer (Application Security) will design and secure internal applications, conduct security code reviews, perform penetration testing, and collaborate with cross-functional teams in an Agile environment. Key Responsibilities: Design secure, scalable IT solutions focused on performance. Conduct security code reviews for quality and best practices. Identify and remediate vulnerabilities (e.g., XSS, SQLi, CSRF, SSRF). Perform web app penetration testing (manual/automa

Front-End Developer

ManTech

Columbia, Maryland, USA

Full-time

ManTech seeks a motivated, career-driven, and customer-focused Front-End Developer to join our team in Columbia, MD. You will play a critical role in supporting enterprise infrastructure capabilities for a global mission-focused workforce. This position is part of a high-visibility effort supporting the Enterprise Infrastructure Services (EIS) organization responsible for MPO's Enterprise Information Technology (EIT)-the foundational platform for enterprise-wide users. You will partner with cust

Cloud Developer

DP Professionals Inc

Remote or Columbia, South Carolina, USA

Contract

DPP is seeking a Cloud Developer IV for an opportunity in Columbia, SC. Work arrangement: Onsite is highly preferred, but open to remote W2 position; 6 months Candidates who are foreign nationals must have resided in the US for at least three (3) of the last five (5) years prior to assignment to the client s applicable government contract. Position summary: A typical day for this In the Cloud Developer involves designing, building, and maintaining scalable cloud-native applications that align w

Senior Software Engineer ? Mainframe Production Support

Lumen Solutions Group Inc.

Remote or Reston, Virginia, USA

Contract

Job Title: Senior Software Engineer - Mainframe Production Support Location: Reston, VA (Overnight) Shift: Overnight (Night Shift) Employment Type: Contract to hire Job Summary: We are seeking a highly skilled Senior Software Engineer for an overnight operations role. This position involves the full software development lifecycle, including analysis, design, development, testing, debugging, deployment, and support of complex enterprise-level systems. The ideal candidate will have deep technica

Senior : Python Full stack Developer ( React JS , Mongodb )

Bramkas Inc.

Remote

Contract

PSenior : Python Full stack Developer ( React JS , Mongodb ) Location: United States RemotePosition Type: Open to Contract / Contract-to-Hire (Open to Full-Time)Experience Required: 9+ YearsMust have Skill : Python- backend development , FastAPI , React ,MongoDB , Data EngineeringWe are looking for a skilled Senior : Python Full stack Developer ( React JS , Mongodb )who is comfortable working across the backend, frontend, and data transformation layers. The ideal candidate is someone with strong

Senior Oracle PL/SQL Data Engineer - AVP

Citi

Remote or Irving, Texas, USA

Full-time

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. We are looking for Senior Oracle PL/SQL Data Engineer responsible for establishing and implementing new or revised application systems

Senior Snowflake Developer

Fint Solutions Inc

Remote

Contract

10+ years of experience is required Data warehousing solutions on Oracle, Teradata, DB2 etc.Snowflake internals and integration with other data processing technologiesCreation of data ingestion pipelines with tools like Informatica, Talend etc.Cloud computing experience with AWS, Microsoft Azure, Google CloudKnowledge of SQL and complex query writingUnderstanding of data compliance and necessary security protocolsData lakes, data structures and data models suited to Snowflake architectureETL pro

Senior Python Full Stack Developer (with Data Engineering Expertise )

Bramkas Inc.

Remote

Contract

Python : Full Stack Polyglot Engineer with Data Engineering Expertise Location: United States RemotePosition Type: Open to Contract / Contract-to-Hire (Open to Full-Time)Experience Required: 9+ YearsMust have Skill : Python , FastAPI , React ,MongoDB , Data Engineering We are looking for a skilled Python Polyglot developer who is comfortable working across the backend, frontend, and datatransformation layers. The ideal candidate is someone with strong hands-on experience in building scalable we

VP / Managing Director - Credit & Pricing Technology

OneMain Financial

Baltimore, Maryland, USA

Full-time

Job DescriptionOneMain Financial (OMF) is seeking a Vice President, Managing Director of Credit & Pricing Technology. As OneMain expands its market verticals, a multi-product strategy is evolving to penetrate markets through compelling customer engagement. Correspondingly, teams deliver products across a variety of platforms and technologies. Our products and platforms span AWS, Azure, IBM iSeries and zSeries, and OpenShift on-prem as part of a hybrid strategy. With both disparate technology

Senior Analytics Developer - Specialist 3

K Systems Solutions

Remote or Brooklyn, New York, USA

Contract

Client Name: City of New York Start Date: July 10, 2025 End Date: July 9, 2026 Contract Length (in weeks): 52 Weeks SCOPE OF SERVICES TASKS:. ? Develop and maintain highly efficient and interactive reports, dashboards, and data models to meet business requirements. ? Collaborate with data scientists and business stakeholders to understand data analysis needs and translate them into technical requirements.? Design and implement data engineering pipelines to extract, transform, and load data f

Junior Software Developer

Modern Technology Solutions

Annapolis, Maryland, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI), is seeking a Junior Software Developer to join the team in Columbia, Maryland. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best b

Kafka Cloud Architect

Leidos

Baltimore, Maryland, USA

Full-time

Leidos is seeking a Kafka Cloud Architect to be part of the mission solution and help lead SSA's Digital Modernization Strategy. Join one of our high performing teams responsible for building the next-generation enterprise APIs and modern responsive user interfaces, supporting the Social Security Administration (SSA) and their mission to meet the changing needs of the public, positively impacting at least 65 million American lives per month. We are a team of forward-looking professionals in need

IT Software Development Specialist Sr (W2 Contract)

Donato Technologies Inc

Remote or Memphis, Tennessee, USA

Contract

Requirements: This position is contract to Hire and PREFERS Memphis, but Open to Remote**MUST SUBMIT COMPLETED SKILLSET MATRIX WITH EACH RESUME FOR CANDIDATE TO BE CONSIDERED**Skill SetNumber of years of experienceExperience in writing Packages for data loads. Experience creating and maintained Stored Procedure (Packages, Procedures, Function, and anonymous block) with Oracle PL/SQL Experience using Cursors to pull data from the Database. Experience with performance tuning, query optimization, e

Principal Software Engineer

Leidos

Columbia, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and

Front-End Developer

ManTech

Columbia, Maryland, USA

Full-time

ManTech seeks a motivated, career-driven, and customer-focused Front-End Developer to join our team in Columbia, MD. You will play a critical role in supporting enterprise infrastructure capabilities for a global mission-focused workforce. This position is part of a high-visibility effort supporting the Enterprise Infrastructure Services (EIS) organization responsible for MPO's Enterprise Information Technology (EIT)-the foundational platform for enterprise-wide users. You will partner with cust

Senior Missile Defense Engineer

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you interested in exciting opportunities solving the most important challenges defending the United States, our forces, and our allies from air and missile threats? If so, we'd love to have you join our team! The Cross-Domain Battle Management Group is seeking an innovative and hard-working professional with a degree in a technical field. Join us to work in an exciting and collaborative environment where we tackle challenging, technical, national security problems. Our group s

Sr. Liferay Developer

Youngsoft

Remote

Contract

Youngsoft, Inc. ( is a global software solutions IT company, delivering digital enterprise business betterment since 1996. Through collaborative engagement and discovery with our clients and vendors, we co-create industry specialized digital products, applications software, process, programs, and project outcomes. Headquartered in metro-Detroit, we leverage "pods" of Subject Matter Experts, Business Analysts, Solutions Architects, Software Engineers, and Project Managers, fused with HyperCare th

Agile Developer 5

Base-2 Solutions, LLC

Fort Meade, Maryland, USA

Full-time

The Work: Leading a development team of 15-20 FTE's focused on storing and managing system SSR data using a microservices-based architecture and cutting-edge technologies. Responsibilities include:Developing and implementing complex solutions utilizing AWS native technologiesEnsuring the development team stays on schedule and is able to meet programmatic milestonesRepresents the team at customer meetings, TEMs and contributes to the team agile planning ceremoniesBuilding REST services with Sprin

Teamcenter Admin

Centraprise Corp

Remote

Full-time

Job Description Must have hands-on experience working with Teamcenter Teamcenter Admin with experience deployments, upgrades, DevSecOps/CI-CD Java / J2EE and C / C++ programming languages AdvancedEclipse framework IDE FunctionalSiemens Teamcenter PLM BMIDE (Business Model Integrated Dev. Environment) FunctionalSiemens Teamcenter PLM ITK (Integrated Toolkit) AdvancedSiemens Teamcenter PLM SOA (Service Oriented Architecture) FunctionalSiemens Teamcenter PLM Workflow / Custom Handler development Ad