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Senior Backend .NET Developer Contract Position with a Major Investment Firm Location: Newark, NJ – Hybrid (3 days onsite: Tuesday, Wednesday, Thursday preferred) Remote candidates may be considered C2C candidates are welcome Pay rate: Up to $70hr on w2 and $80hr on C2C We are seeking a Senior Backend .NET Developer with strong experience building scalable backend applications and cloud-based services in AWS environments. This role is focused on backend development and requires deep expertise in C#, .NET Core, API development, and cloud infrastructure. Experience working in regulated or financial services environments is a plus. Responsibilities • Develop, enhance, and maintain backend applications using C#, .NET Core, and ASP.NET Core, • Design, build, and support RESTful APIs and microservices architectures, • Deploy, manage, and optimize applications running on AWS EC2 environments, • Work with AWS services including S3, RDS, CloudWatch, IAM, and Load Balancers, • Collaborate with front-end developers integrating applications with React-based interfaces, • Participate in architecture discussions, technical design sessions, and code reviews, • Troubleshoot and resolve complex technical issues across the application stack, • Ensure applications meet security, compliance, scalability, and performance standards, • Contribute to CI/CD automation and deployment processes Required Qualifications • 10+ years of backend development experience, • Strong expertise with C#, .NET Core, and ASP.NET Core, • Strong understanding of backend architecture principles and design patterns, • Hands-on experience deploying and managing applications in AWS EC2 environments, • Experience working with relational databases such as SQL Server or PostgreSQL, • Strong experience with Entity Framework Core, • Experience with Docker and CI/CD pipelines, • Strong troubleshooting, debugging, and performance optimization skills Preferred Qualifications • Experience working in financial services or highly regulated environments, • Basic to intermediate React experience, • Experience with AWS ECS, EKS, or Lambda, • Experience with Infrastructure as Code tools such as Terraform or CloudFormation, • Experience with event-driven architectures using SNS, SQS, or Kafka, • Experience with automated testing frameworks Additional Information • This is primarily a backend-focused engineering role, • React knowledge is beneficial but not required, • Candidates with experience building secure enterprise applications are highly preferred, • Strong collaboration and communication skills are important for working across cross-functional engineering teams

TSR Consulting is currently seeking a highly motivated Full Stack Java Developer for a hybrid opportunity in Rutherford, New Jersey Role: Full Stack Java Developer Duration: 6+ Months Locations: New Brunswick, NJ Anticipated Start Date: 06/01/2026 Job Type: Contract – hybrid We are looking for a Full Stack Java Developer with strong backend development experience and exposure to modern frontend technologies. Key Responsibilities: • Design, develop, and maintain enterprise-level web applications, • Build scalable microservices using Java, Spring, and Spring Boot, • Work on frontend development using Angular, JavaScript, HTML, and CSS, • Collaborate with cross-functional teams in an Agile/Scrum environment, • Participate in code reviews, debugging, testing, and performance optimization, • Support application deployment using Docker and Kubernetes, • Work with Oracle PL/SQL, stored procedures, and database integrations, • Create technical design documents, architecture diagrams, and flowcharts Required Skills: • hands-on application development experience, • Strong experience with Java, Spring, Spring Boot, and Hibernate, • Experience with Microservices architecture, • Hands-on experience with Angular, JavaScript, HTML, and CSS, • Knowledge of Docker and Kubernetes, • Experience with Git/Bitbucket for source control, • Strong database experience with Oracle PL/SQL, stored procedures, and triggers, • Experience working in Agile methodology using JIRA, • Familiarity with testing frameworks like JUnit, Cucumber, Jasmine, or Mocha, • Experience with code reviews and application performance tuning About TSR: TSR Consulting (TSR, Inc.) is an established IT staffing and consulting firm operating since 1967, specializing in providing technical talent, project management, and specialized services across various industries, including energy, financial services, and life sciences. They offer both contingent staffing and permanent placement solutions.

$60 - $120/hourpayPythonRustGoLangFull-stackJAVANode.jsAndroid DevelopmentiOS DevelopmentAbout micro1micro1 connects domain experts to the development of frontier AI models. Real-world expertise is turned into training data, evaluations, and feedback loops that improve how models perform. AI labs and enterprises use micro1 to train models and build reliable AI agents through advanced evaluations and reinforcement learning environments. Experts contribute directly to how AI systems learn, reason, and perform across domains like finance, healthcare, engineering, and more. Our platform identifies and vets top talent through an AI recruiter, enabling high-quality contributions at scale.Our goal is to enable 1 billion people to do meaningful work by applying their expertise to AI. We’ve raised $40M+ in funding, and our AI recruiter has powered over 1 million AI-led interviews as our global network of experts grows into the human intelligence layer for AI. Job Title: Software Developer Job Type: Contract Location: Remote Job Summary: Join our customer's team as a Software Developer, where innovation, ownership, and technical expertise drive every project. You’ll collaborate with a dynamic and diverse team to design, develop, and deliver robust solutions using modern programming languages and full-stack technologies. If you are passionate about building scalable applications and thrive in a remote and communicative environment, we want to hear from you. Key Responsibilities: • Design, implement, and maintain scalable back-end and full-stack applications using Python, Rust, GoLang, Java, or Node.js., • Collaborate closely with cross-functional team members to deliver high-quality software solutions that meet evolving business requirements., • Write clean, efficient, and well-documented code, following best software engineering practices., • Troubleshoot, debug, and optimize existing codebases to improve performance and reliability., • Participate in code reviews, technical discussions, and architectural planning to drive continuous improvement., • Contribute to the full software development lifecycle, from concept and design to testing and deployment., • Maintain clear, concise, and thoughtful written and verbal communication across distributed teams. Required Skills and Qualifications: • 3+ years of hands-on experience in software development with one or more of the following: Python, Rust, GoLang, Java, Node.js, Android, IOS or full-stack development (backend or full-stack)., • Proficiency in building scalable, reliable, and maintainable software systems., • Experience working in remote, collaborative, and agile environments., • Expertise in modern development tools, version control systems, and CI/CD pipelines., • Strong problem-solving skills with keen attention to detail., • Excellent written and verbal communication skills, with a high standard for clarity and professionalism., • Self-driven, proactive, and able to work independently in a distributed setting. Preferred Qualifications: • Experience with cloud platforms such as AWS, GCP, or Azure., • Knowledge of DevOps principles and containerization technologies., • Background in mentoring or leading small engineering teams.

Job Description Job Title: Mobile Developer (Ionic Framework) Duration: 6 Months Contract-to-Hire (CTH) Location: NJ Job Summary We are seeking a skilled Mobile Developer with strong experience in the Ionic framework to join our team on a 6-month Contract-to-Hire basis. The ideal candidate will be responsible for developing, enhancing, and maintaining cross-platform mobile applications with a focus on performance, scalability, and user experience. Key Responsibilities • Develop and maintain mobile applications using Ionic Framework and Angular., • Build cross-platform applications for iOS and Android using Cordova/Capacitor., • Collaborate with UI/UX designers to implement responsive and intuitive interfaces., • Integrate RESTful APIs and third-party services., • Ensure application performance, quality, and responsiveness., • Debug and resolve technical issues and bugs., • Participate in code reviews and follow best development practices., • Work closely with backend and QA teams for seamless delivery. Required Skills & Qualifications • 3+ years of experience in mobile application development., • Strong hands-on experience with Ionic (v4+)., • Proficiency in Angular, HTML5, CSS3, JavaScript/TypeScript., • Experience with Cordova or Capacitor plugins., • Familiarity with REST APIs and JSON., • Experience in deploying apps to Apple App Store and Google Play Store., • Knowledge of version control tools such as Git., • Strong problem-solving and debugging skills. Preferred Qualifications • Experience with native mobile development (Swift, Kotlin) is a plus., • Familiarity with Agile/Scrum methodologies., • Experience with state management libraries (NgRx, etc.)., • Understanding of mobile security best practices.

Job DescriptionCompany Description For More Open Positions Visit us at: Our Mission WOONGJIN, Inc. is a rapidly growing team who provides a range of unique, exceptional, and enhanced services to our clients. We have a strong moral code that includes the service of goodness without expectations of reward. We are motivated by the sense of responsibility and servant leadership. Benefits • Medical Insurance, • Vision Insurance, • Dental Insurance, • 401(k), • Paid Sick hoursJob Description We are seeking an experienced DevOps Engineer to assist with the maintenance, development, and implementation of one of our Intranet systems. The candidate must have a solid development background across multiple technical disciplines including J2EE web application development, Java client/server development, and Database Development. We are looking for a java developer who has Alteryx experience or related ETL tool Qualifications Requirements: • 9+ years in DevOps, web based related system development including Java experience in developing or maintaining intranet systems., • The below experience is required for a successful candidate in the below priority order, • Priority 1: Database Experience – Oracle based data modeling, SQL, Procedure development, DB tuning experience, • Priority 2: Front-End Development Experience – preferably with Kendo UI with VUE, • Priority 3: Back-End Development Experience – Java(Spring Boot) backend API development, • Priority 4: ETL: Alteryx Experience Qualifications: • Bachelor’s degree in Computer science or related discipline with an information technology focus, • API development experiences are plus, • ETL development experience with ETL Tools (Alteryx, Oracle Data Integrator, MS SQL SSIS, etc.) preferred, • BI reporting tool (Tableau, MS Power BI, etc.) development experiences are preferred, • Full lifecycle of ETL implementation understanding preferred (analysis, architecture, design, development, data extraction, staging and storage, transformation, presentation, testing, cutover/go-live planning), • Bilingual (Korean and English) required in order to work with outsourced development team in South Korea Salary: $110K-$125K (DOE) a year Additional Information All your information will be kept confidential according to EEO guidelines. * NO C2C *

Net Developer Location: Remote Duration : 6 months Job Details: Responsibilities: * Develop and maintain backend services using C#,. NET Core * Build and support RESTful APIs and microservices * Deploy, configure, and optimize applications on AWS EC2 * Work with AWS services including S3, RD

TSR Consulting is currently seeking a highly motivated Full Stack Java Developer for a hybrid opportunity in Rutherford, New Jersey.Role: Full Stack Java Developer.We are looking for a Full Stack Java Developer with strong backend development experience and exposure to modern frontend technologies.D

Remote candidates may be considered. NET Developer with strong experience building scalable backend applications and cloud-based services in AWS environments. Collaborate with front-end developers integrating applications with React-based interfaces.

Job Summary: Skilled Agentic AI & Python Developer to design, build, and deploy next-generation AI applications leveraging agentic AI frameworks and Python-based development. Build scalable backend systems and services using Python. Proficient with Python for backend development.

An innovative firm is seeking a skilled backend developer proficient in Node. This role involves creating robust backend services, implementing security measures, and managing NoSQL databases.

Location: Bentonville, AR, Seattle, WA, Sunnyvale, CA, Hoboken, NJ, Atlanta, GA, Dallas, TX, Toronto, Canada.Need minimum 08+ years of experience in Sr.Need a Java programmer with back end Java, microservices, Cloud and Kafka exp; would also like them to have Scala;.Kafka for Realtime Streaming proj

Net Developer is responsible for the analysis, design, development, testing, implementation, and maintenance of enterprise-scale, business-critical applications. Minimum (5) five years of experience in a software developer role in full stack environment.

Net Developer is responsible for the analysis, design, development, testing, implementation, and maintenance of enterprise-scale, business-critical applications. Minimum (5) five years of experience in a software developer role in full stack environment.

Net Developer is responsible for the analysis, design, development, testing, implementation, and maintenance of enterprise-scale, business-critical applications. Minimum (5) five years of experience in a software developer role in full stack environment.

Web Developer Job Duties: Regular exposure to business stakeholders and executive management, as well as the authority and scope to apply your expertise to many interesting technical problems.

Full stack Developer with React JS (Angular JS ) + Node JS.

Analyze the ideas, business models, and user requirements to formulate a design strategy to carry out.Act as a tenant to draw out a workable application design and coding parameters with the essential functionalities Breakdown the process into multiple packets to distribute to other relevant technol

Spectraforce Technologies is seeking a Senior Software Engineer in Newark, NJ for a hybrid role.In this position, you will enhance the Onboarding Platform by coding, testing, and debugging applications.You will collaborate with various teams to deliver innovative solutions.Candidates should have a B

Pearson is looking for a Data Engineer to design and maintain cloud-native data pipelines in Hoboken, NJ.The role involves collaborating with various teams, ensuring data quality, and applying data governance standards.Candidates should have expertise in AWS services, data engineering practices, and

The Trade Desk seeks a Senior Software Engineer-Data Engineer in Bellevue, New York, to build and operate scalable ETL/ELT pipelines.This hands-on role includes leading data quality initiatives and mentoring junior engineers.The ideal candidate has a Bachelor’s degree in computer science and over

Azure Databricks Engineer with Python & Spark - 2 Positions (Senior & Lead) - Only W2.Be among the first 25 applicants.Role: Azure Databricks Engineer with Python & Spark (Senior / Lead).Location: Weehawken, NJ (Onsite from Day 1).Note: 2 positions are available - Senior & Lead.Expert level understa

Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

A leading technology company is seeking a Sr.Azure Data Engineer to drive data integration and migration initiatives across enterprise platforms.This remote position requires expertise in ETL processes, data architecture design, and strong analytical skills.The ideal candidate will lead projects inv

Java Developer specializing in backend development.

Fabric Data Engineer Associate Certified.Azure Synapse, Azure Data Factory, Azure Data Lake).Fabric (Data Factory, Synapse Engineering).Collaborate with business and engineering teams to translate complex.IaC) to automate deployment and ensure operational excellence.

A leading e-commerce technology provider seeks a Senior Software Engineer to design and deliver core services for their logistics platform.The role involves working on an API-first microservice architecture using Scala, Kubernetes, and AWS.Ideal candidates should have over 6 years of experience in b

An established industry player is seeking a skilled Java Backend Developer to join their dynamic Scrum team.

Be an active advocate of the mobile platform through both internal and external developer communities. Actively engage with developers outside of the local sprint team across various disciplines (Android, iOS, APIs, Web, etc.

A leading financial services firm in Newark, NJ is seeking a Senior Software Engineer to modernize platforms within Retirement Strategies Technology.This role requires 4+ years of software engineering experience and familiarity with Agile methodologies.Candidates should have strong coding skills acr

Senior Software Engineer – Applied AI & Generative Systems.Pearson is accelerating the adoption of applied AI and generative technologies to power next-generation learning, assessment, and knowledge-driven experiences at global scale.We are seeking a Staff AI Engineer to lead the design, standardi

A leading software company in New Jersey is seeking talented Senior and Principal Software Engineers for multiple openings.Ideal candidates will excel in C programming, have strong Linux development skills, and thrive in a collaborative Scrum environment.This is an exciting opportunity to tackle cha

The Trade Desk is a global technology company and the world's leading independent platform for digital advertising, with nearly 4,000 employees across more than 30 offices.Our technology helps advertisers reach the right audiences across the open internet - from streaming TV and podcasts to mobile a

Experience with ML tools, developer tools, or data-intensive applications. Previous work on apps used by technical or developer audiences. The integration of our teams and technologies is accelerating our shared mission: to empower developers with the tools and infrastructure they need to push the b