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Freelance Power Platform Developer Jobs in Delaware

Serverless Guru

Backend Lead Developer

Wilmington, DE · On-site +1

... platform. Our team owns core backend services that power personalized digital experiences across multiple internal and customer-facing systems. These services support recommendation, eligibility ...

Qnity

Data Systems Specialist

Newark, DE · On-site

Collaborate cross-functionally with Quality, Engineering, Operations, and IT to translate business ... Preferred Qualifications Experience developing Power BI dashboards and Power Platforms (Power Apps ...

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Freelance Power Platform Developer information

What is the difference between Freelance Power Platform Developer vs Power Platform Consultant?

AspectFreelance Power Platform DeveloperPower Platform Consultant
CredentialsTypically requires Power Platform certifications, coding skills, and development experienceOften holds certifications and has consulting or business analysis background
Work EnvironmentIndependent, project-based, remote or on-siteUsually employed by consulting firms or as independent consultants
Employer & Industry UsageClients across various industries seeking custom app developmentOrganizations seeking strategic Power Platform solutions and process improvements

Freelance Power Platform Developers focus on building custom solutions and applications, often working independently on specific projects. Power Platform Consultants typically provide strategic advice, implementation, and process optimization for organizations. While both roles require certifications and technical knowledge, developers emphasize coding and app creation, whereas consultants focus on business needs and solution design.

What are the key skills and qualifications needed to thrive as a Freelance Power Platform Developer, and why are they important?

To thrive as a Freelance Power Platform Developer, you need proficiency in Microsoft Power Platform (Power Apps, Power Automate, Power BI, Power Virtual Agents), a strong understanding of data modeling, and ideally a background in software development or IT. Familiarity with Microsoft Dataverse, Azure services, APIs, and relevant certifications like Microsoft Certified: Power Platform Developer Associate are highly advantageous. Excellent problem-solving, communication, and client management skills help you deliver effective solutions and build strong client relationships. These skills are crucial for independently designing, implementing, and supporting business automation projects that meet client needs and drive digital transformation.

What are some common challenges faced by freelance Power Platform Developers when working with clients?

Freelance Power Platform Developers often encounter challenges such as gathering clear requirements from clients who may not be familiar with the platform’s capabilities. Additionally, managing communication and setting realistic expectations about project timelines and deliverables can be demanding, especially when working remotely. Ensuring data security and compliance with organizational policies also requires careful attention. Building strong client relationships and providing user training are essential for long-term success in this role.

What are Freelance Power Platform Developers?

Freelance Power Platform Developers are independent professionals who design, develop, and maintain solutions using Microsoft Power Platform tools, such as Power Apps, Power Automate, Power BI, and Power Virtual Agents. They typically work on a contract or project basis for different clients, helping organizations automate workflows, analyze data, and create custom business applications. These developers leverage their expertise to solve business problems, improve efficiency, and integrate Power Platform solutions with other Microsoft or third-party services. Their work often involves gathering client requirements, building prototypes, and providing ongoing support or training.
What are the most commonly searched types of Power Platform Developer jobs in Delaware? The most popular types of Power Platform Developer jobs in Delaware are:
What are popular job titles related to Freelance Power Platform Developer jobs in Delaware? For Freelance Power Platform Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Freelance Power Platform Developer jobs in Delaware look for? The top searched job categories for Freelance Power Platform Developer jobs in Delaware are:
What cities in Delaware are hiring for Freelance Power Platform Developer jobs? Cities in Delaware with the most Freelance Power Platform Developer job openings:
Freelance Power Platform Developer jobs near you
Infographic showing various Freelance Power Platform Developer job openings in Delaware as of June 2026, with employment types broken down into 86% Full Time, and 14% Part Time. Highlights an 100% In-person job distribution.
Lead Java Platform Engineer (Payments Publish) - Senior Vice President

Lead Java Platform Engineer (Payments Publish) - Senior Vice President

Citigroup, Inc.

New Castle, DE • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 21 days ago

Job description

About the Role
We are seeking an experienced, hands-on Senior Java Lead to contribute to the development of our engineering frameworks, with a strong focus on microservice architecture. This senior engineering leadership role merges hands-on technical contribution with organizational accountability. The ideal candidate will remain deeply involved in the code and architecture while simultaneously owning the platform strategy, defining engineering standards, and guiding a scrum team in developing core functionalities within the payments lifecycle.
You will be responsible for the reliability, scalability, security, and evolution of a global cheque payment platform and will play a pivotal role in integrating AI into both the platform and the engineering workflow.
Key Responsibilities
1. Hands-On Technical Contribution & System Design
  • Actively code in Java developing reusable frameworks while performing system design, architecture reviews, and code reviews for the core cheque payment platform.
  • Contribute to the design of distributed, fault-tolerant, real-time systems for high-volume, low-latency transaction processing.
  • Write, review, and refactor production-grade code in Java setting a high technical standard for the team.
  • Independently design event-driven, microservices-based architectures utilizing REST APIs, Java and React.
  • Apply hands-on experience with Kafka, including message schema design, topic partitioning, consumer group strategies, and fault-tolerant processing.
  • Design and govern data architecture across Oracle (SQL) and MongoDB (NoSQL), covering schema design, indexing strategies, query optimization, and data consistency patterns.
  • Champion continuous development, feature flags, and progressive delivery, contributing to the design and optimization of CI/CD pipelines.
  • Produce and review Architecture Decision Records (ADRs) and technical design documents for key platform components.

2. Engineering Excellence & Quality
  • Maintain and enforce engineering standards within the scrum team, including Test-Driven Development (TDD), reusable framework development, CI/CD, secure coding, and observability.
  • Conduct code reviews for critical platform components, providing detailed technical feedback to enhance team quality and capacity, ensuring the development of scalable and reusable services.
  • Drive the adoption of AI-powered quality practices, including leveraging tools like GitHub Copilot for coding, utilizing LLMs (Gemini experience preferred) to improve payment processing quality, and implementing automated test script generation and vulnerability remediation.
  • Lead performance engineering initiatives, including profiling JVM-based applications Java identifying performance hotspots, and optimizing critical settlement processing paths.
  • Own the security and compliance posture of the cheque payment platform by participating in threat modeling, vulnerability assessments, and secure design reviews.
  • Ensure all engineering delivery aligns with Citi Engineering Excellence Standards, including CI/CD, DevOps, cloud-native practices, and modern ways of working.

3. Platform Strategy & Domain Ownership
  • Define and own the engineering roadmap for modernizing the cheque payment platform, migrating global components from monolithic mainframe and legacy applications to a reusable microservices architecture.
  • Develop strong domain knowledge in the payment lifecycle, settlement, and cheque image processing to inform sound engineering decisions.
  • Own the platform's SLA commitments, driving architectural decisions to meet availability, throughput, and latency targets.
  • Develop cross-platform integration by governing API contracts, data flows, and system dependencies across the Payments, Settlements, DDA, and Data Lake ecosystems.
  • Drive capacity planning and investment prioritization, making informed decisions on platform scaling, technology refresh, and resource allocation.
  • Partner with Operations, Risk, Compliance, and Business teams to ensure the platform meets all regulatory requirements and business needs.

4. Leadership & Stakeholder Engagement
  • Act as the primary engineering point of contact for the core Cheque Processing pillar, engaging with senior business, technology, and operations stakeholders.
  • Clearly communicate platform health, delivery progress, engineering strategy, and risks to senior leadership.
  • Partner with Product, Operations, Risk, Finance, and Compliance teams to align engineering priorities with business and regulatory needs.
  • Demonstrate the ability to pivot direction to meet timelines and delivery commitments with tactical solutions, while maintaining a clear vision for strategic platform development.

Skills and Qualifications
1. Core Programming & System Architecture
  • Java: 10+ years of extensive hands-on experience in high-throughput, production-grade Java engineering, including JVM performance tuning.
  • API Development: Hands-on experience building RESTful APIs with frameworks such as Spring MVC or Spring Boot.
  • Microservices Architecture: Proven experience designing microservices ecosystems, including service decomposition, API design, inter-service communication, and cloud engineering.
  • Event-Driven & Messaging Systems: Deep, hands-on expertise in Kafka, including topic design, partitioning, consumer groups, exactly-once semantics, and high-throughput stream processing.
  • High-Performance Computing: Hands-on experience with profiling and optimization, including JVM tuning, garbage collection (GC) optimization, thread management, and memory profiling.
  • High Availability & Fault Tolerance: Practical experience designing resilience patterns such as circuit breakers, bulkheads, failover, and disaster recovery.
  • Databases: Hands-on expertise in Oracle (SQL) and Microsoft SQL for schema design, query optimization, and indexing, as well as MongoDB (NoSQL) for document modeling, aggregation pipelines, sharding, and replica sets.

2. Cloud & DevOps
  • Cloud-Native Engineering: Hands-on experience with OpenShift/AWS, Kubernetes, and Docker for container orchestration, autoscaling, and cloud-native deployment.
  • CI/CD & DevOps: Experience designing and owning CI/CD pipelines aligned with enterprise-level Engineering Excellence Standards. Experience with tools like Jenkins and Gradle/Maven.
  • Observability: Hands-on experience with distributed tracing, intelligent alerting, and AI-driven observability using tools like Grafana.
  • Secure Engineering: Practical experience with threat modeling, vulnerability assessments, and secure design reviews.
  • Agile at Scale: Experience with Agile/SAFe delivery at the program level, including PI planning, cross-team dependency management, and delivery governance.

Good-to-Have Skills
  • ML Integration: Hands-on experience with real-time ML model serving, including feature stores, online inference, and model monitoring.
  • AI Frameworks: Familiarity with Retrieval-Augmented Generation (RAG) patterns, vector databases (e.g., Pinecone, Weaviate), or agentic AI frameworks (e.g., LangChain, AutoGen).
  • MLOps: Knowledge of MLOps practices such as model versioning, deployment pipelines, and production model monitoring.
  • Resilience Testing: Experience with chaos engineering and resilience testing, including fault injection and production readiness reviews.
  • Financial Systems: Knowledge of reconciliation and exception handling patterns in settlement workflows.
  • LLM Experience: Familiarity with prompt engineering and LLM fine-tuning in a regulated enterprise context.
  • Python: Hands-on expertise in Python for data pipelines, AI/ML integration, scripting, and automation.
  • Legacy Modernization: Experience with large-scale transformation projects, including migrating mainframe components (COBOL, Assembler) and legacy systems (C++, .NET) to a microservices architecture.
  • Strategy: Experience with technology investment governance and engineering budget management.

What We Are Looking For
  • A hands-on leader who actively contributes to code, frameworks, reviews, and technical problem-solving.
  • A strategic thinker who is equally comfortable at the code/architecture level and the platform strategy/stakeholder management level.
  • A pragmatic innovator who identifies practical, high-value opportunities to apply AI/ML without losing focus on engineering fundamentals.
  • An accountable owner with a strong sense of ownership for platform quality, reliability, and delivery.
  • A mentor committed to developing engineers and managers, building technical capability and leadership depth across the team.
  • An effective communicator able to translate technical complexity into clear, concise updates for business and senior leadership.

Why Join Us
  • Lead engineering for a central global payment platform while remaining deeply technical.
  • Drive AI and engineering transformation on a high-visibility modernization initiative with significant business impact.
  • Work at the intersection of high-throughput financial systems and modern AI capabilities.
  • Build and mentor a strong engineering team with access to state-of-the-art tools, platforms, and talent.
  • Be part of an engineering culture that values technical depth at every level of seniority.

Education:
  • Bachelor's degree/University degree or equivalent experience
  • Master's degree preferred

Job Family Group:
Technology
Job Family:
Applications Development
Time Type:
Full time
Primary Location:
New Castle Delaware United States
Primary Location Full Time Salary Range:
$156,160.00 - $234,240.00
In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.
Anticipated Posting Close Date:
Jun 22, 2026
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi's EEO Policy Statement and the Know Your Rights poster.

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