CrawlJobs Logo

Solution Lead Python, React, FastAPI

United States, New York City 58.00 USD / Hour · Job Posted December 11, 2025
Apply Position
Job Link Share

Job Description

Job title: Solution Lead Python, React, FastAPI

Job Responsibility

  • Design end-to-end web application and data platform architectures tailored to meet business and regulatory requirements
  • Make architectural decisions on API design, service orchestration, data flow, and performance optimization
  • Ensure system designs are scalable, secure, and maintainable
  • Act as the primary technical liaison for business stakeholders and clients
  • Translate business requirements into scalable technical solutions
  • Lead and mentor a team of developers and data engineers
  • Provide technical direction and decision-making
  • Ensure adherence to coding standards, code reviews, and DevOps practices
  • Design and implement high-performance, secure APIs using Python and FastAPI
  • Drive the implementation of microservices-based architectures
  • Optimize backend systems for speed, efficiency, and scalability
  • Architect and implement robust ETL pipelines, data lakes, and warehouse systems
  • Ensure secure and efficient handling of sensitive financial data
  • Integrate third-party data sources and real-time data feeds into the application stack
  • Design and implement solutions that comply with SEC regulations and data protection standards (e.g., SOX, GDPR, FINRA, etc.)
  • Collaborate with legal and compliance teams to maintain secure data governance protocols
  • Participate in audits, reviews, and documentation processes to ensure traceability and regulatory alignment

Requirements

  • 12+ years of solutioning, design & development of cloud-native web applications using React, Vite, FastAPI, and Python
  • Strong proficiency in Python and the FastAPI web framework
  • Proven experience designing cloud-native web applications (preferably on AWS, Azure, or GCP)
  • Expertise in data engineering tools such as Apache Airflow, Spark, SQL, and cloud data warehouses (e.g., Snowflake, BigQuery)
  • Experience implementing systems compliant with SEC regulations or other financial services compliance frameworks
  • Deep understanding of RESTful APIs, microservices, CI/CD, containerization (Docker/Kubernetes), and version control (Git)
  • Strong knowledge of security best practices, especially in handling PII and financial data

Nice to have

  • Familiarity with financial industry standards like FIX, XBRL, or EDGAR filings
  • Knowledge of additional Python frameworks (e.g., Django, Flask)
  • Experience with infrastructure-as-code tools (Terraform, CloudFormation)
  • Prior experience in regulated environments such as fintech, banking, or trading platforms

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Solution Lead Python, React, FastAPI

8 matching positions

Lead Software Engineer - Python Full Stack Developer

Wells Fargo is seeking a Lead Software Engineer. In this role, you will: Lead co...
Location
Location
India , Bengaluru
Salary
Salary:
Not provided
https://www.wellsfargo.com/ Logo
Wells Fargo
Expiration Date
June 29, 2026
Flip Icon
Requirements
Requirements
  • 5+ years of Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field
  • 5+ years of professional experience in Python software development
  • Strong proficiency in Python and related frameworks (e.g., Robot, Django, FastAPI)
  • Extensive experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB)
  • Solid understanding of software design principles and patterns
  • Experience with version control systems (e.g., Git)
  • Experience with cloud platforms (e.g., AWS, Azure, GCP)
  • Experience with containerization and orchestration (e.g. Docker, Kubernetes, Openshift)
  • Strong knowledge of RESTful API design, React UI development
Job Responsibility
Job Responsibility
  • Lead complex technology initiatives including those that are companywide with broad impact
  • Act as a key participant in developing standards and companywide best practices for engineering complex and large scale technology solutions for technology engineering disciplines
  • Design, code, test, debug, and document for projects and programs
  • Review and analyze complex, large-scale technology solutions for tactical and strategic business objectives, enterprise technological environment, and technical challenges that require in-depth evaluation of multiple factors, including intangibles or unprecedented technical factors
  • Make decisions in developing standard and companywide best practices for engineering and technology solutions requiring understanding of industry best practices and new technologies, influencing and leading technology team to meet deliverables and drive new initiatives
  • Collaborate and consult with key technical experts, senior technology team, and external industry groups to resolve complex technical issues and achieve goals
  • Lead projects, teams, or serve as a peer mentor
  • Develop high-quality, scalable, and maintainable Python code for backend services, APIs, and applications
  • Develop and maintainable React code for front-end user interfaces, ensuring seamless integration with backend services, APIs, and applications is plus
  • Architect and implement robust solutions that meet business requirements and Non-functional requirements
  • Fulltime
Read More
Arrow Right
New

Senior Python Application Developer

We are seeking a highly experienced and technically proficient Senior Python App...
Location
Location
United States , New York
Salary
Salary:
176720.00 - 265080.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
June 18, 2026
Flip Icon
Requirements
Requirements
  • 10+ years of hands-on experience in Application Development, primarily with Python
  • Expert-level Python 3.x proficiency for scalable, resilient, and high-performance applications
  • Advanced knowledge of Python frameworks (FastAPI, Django, Flask), best practices, and design patterns (OOP)
  • Strong understanding of software architecture principles and distributed system design (Microservices, Event-Driven Architecture)
  • Extensive experience with relational (PostgreSQL, Oracle, SQL Server) and NoSQL databases (MongoDB, Cassandra, Redis), including advanced SQL
  • Proven expertise in designing, developing, and securing RESTful APIs and integration patterns
  • Hands-on experience with CI/CD systems (Jenkins, GitLab CI, GitHub Actions, Bitbucket Pipelines) for automated deployment
  • Highly experienced with Unix-based operating systems
  • Strong background in cloud platforms (AWS, Azure, GCP), including containerization (Docker) and contributing to Kubernetes orchestration
  • Advanced troubleshooting, debugging, and performance optimization for distributed systems
Job Responsibility
Job Responsibility
  • Lead hands-on implementation and architecture of Python frameworks for scalable, resilient, and performant applications
  • Develop solutions adhering to architectural standards, utilizing in-depth technical and business domain knowledge
  • Enforce industry-standard SDLC best practices and contribute to code quality through reviews
  • Collaborate with cross-functional teams (Risk, Quants, FO, DevOps, Production Support) for seamless delivery
  • Drive development for Stress Testing and Regulatory Risk projects in the Market Risk domain
  • Manage project technical aspects, including planning, governance, and taking ownership of initiatives
  • Deliver high-quality solutions independently within a globally matrixed environment and under tight deadlines
What we offer
What we offer
  • medical, dental & vision coverage
  • 401(k)
  • life, accident, and disability insurance
  • wellness programs
  • paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
  • Fulltime
!
Read More
Arrow Right

Lead Agentic Ai Engineer

Citi's Wholesale Technology organization is seeking an exceptional, hands-on Lea...
Location
Location
Canada , Mississauga
Salary
Salary:
120800.00 - 170800.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6–10 years of relevant experience in an AI/ML development role, Applications Development, or Systems Analysis, with a substantial and demonstrated focus on Python technologies
  • Minimum 2+ years of professional experience in software development with a focus on AI, prompt engineering, machine learning, and/or agentic AI systems
  • Proven track record as a lead developer for agentic flow design, prompt design, and testing of autonomous AI systems with deep expertise in Google ADK
  • Subject Matter Expert (SME) in at least one area of Applications Development, particularly Python application development (Django, Flask, FastAPI)
  • Python (expert-level): FastAPI, Django, Flask, asyncio, PySpark — strong fundamentals in algorithms, data structures, concurrency, and design patterns
  • Proficient in Java (Spring Boot, Spring Cloud), JavaScript/TypeScript (React, Next.js, Node.js), and SQL/data modeling
  • Experience across AWS, Azure, and GCP with Docker, Kubernetes, and CI/CD pipelines
  • Proficient in MLOps practices including model versioning, deployment, and lifecycle management
  • Strong foundation in secure API design, microservices, event-driven architecture, and distributed systems with expertise in testing, Git workflows, and performance optimization
  • Deep expertise in LLMs (OpenAI GPT, Gemini, Claude, Llama) with hands-on experience in LangChain, LangGraph, LlamaIndex, AutoGen, CrewAI, and Google ADK
Job Responsibility
Job Responsibility
  • Lead end-to-end design, development, and deployment of large-scale agentic AI solutions using Google Agent Development Kit (ADK) and frameworks such as LangChain, LangGraph
  • Architect advanced multi-agent systems (perception, reasoning, planning, execution) integrating multiple LLM providers (OpenAI, Anthropic, Google Gemini)
  • Build AI-powered capabilities using Google Gemini, Vertex AI, Agent Development Kit (ADK), Google A2UI, vector databases, RAG pipelines, semantic search, and advanced prompt and context management
  • Engineer autonomous agents incorporating planning, tool usage, memory management, and multi-step reasoning patterns
  • Develop scalable, high-performance backend services in Python (FastAPI, asyncio) with resilient APIs, event-driven designs, and microservices architectures
  • Build and maintain robust data pipelines working with SQL (Oracle, PostgreSQL) and NoSQL (MongoDB) databases
  • Implement secure REST APIs and agent interfaces with strong authentication, authorization (OAuth), and encryption best practices
  • Optimize AI agent performance, latency, and cost through prompt optimization, caching strategies, and vector index tuning
  • Provide architectural guidance for Next-Generation AI (NGAI) initiatives, ensuring adherence to CTO guidelines and platform standards
  • Develop and maintain a strategic roadmap for generative AI adoption, evaluating new models, techniques, and platforms
  • Fulltime
Read More
Arrow Right

Ai Technical Architect

Location
Location
United States , Auburn Hills
Salary
Salary:
Not provided
nttdata.com Logo
NTT DATA
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 20+ years in software engineering with 5+ years focused on AI/ML systems
  • 3+ years hands-on experience architecting and shipping production LLM and agentic AI applications
  • Demonstrated success leading enterprise-scale AI platform builds with measurable business outcomes
  • Track record architecting scalable cloud-native systems on AWS in regulated or large-enterprise environments
  • Experience leading technical teams, mentoring engineers, and engaging executive stakeholders
  • Bachelor's or Master's degree in Computer Science, AI/ML, or a related technical field
  • Expert proficiency with LangGraph, LangChain, and agent orchestration frameworks
  • Deep experience with Amazon Bedrock, SageMaker, and Amazon Q, including Bedrock Agents and Knowledge Bases
  • Hands-on experience with Model Context Protocol (MCP), function calling, tool use, and structured output patterns
  • Strong command of prompt engineering, evaluation harnesses, fine-tuning, and model optimization
Job Responsibility
Job Responsibility
  • Design the enterprise AI platform architecture spanning the LLM API gateway, GPU and compute allocation pools, sandbox provisioning, model registry, and security gate automation
  • Define infrastructure standards, API gateway patterns, and reference architectures consumed by all AI delivery towers and partner integrations
  • Establish guardrails for token metering, rate limiting, audit logging, DLP validation, SAST, DAST, dependency scanning, and model card review embedded in CI/CD
  • Review security posture across all AI workloads with mapping to NIST AI RMF, AWS Well-Architected (including the Machine Learning Lens), and applicable enterprise compliance baselines
  • Architect multi-agent systems using LangGraph, LangChain, and Model Context Protocol (MCP) for complex workflow orchestration, planning, and tool use
  • Define patterns for ReAct, Chain-of-Thought, Tree-of-Thoughts, and agent-to-agent coordination across enterprise and customer-facing use cases
  • Design and optimize Retrieval-Augmented Generation (RAG) systems, embedding strategies, and semantic search across structured and unstructured enterprise data
  • Establish MLOps and AgentOps practices for deployment, evaluation, observability, and continuous improvement of agents and models in production
  • Architect solutions on Amazon Bedrock, Amazon SageMaker, Amazon Q, Bedrock Agents, and Bedrock Knowledge Bases
  • Define infrastructure patterns using Amazon EKS, AWS Lambda, ECS Fargate, API Gateway, EventBridge, SNS/SQS, Kinesis, S3, DynamoDB, Aurora, Redshift, Athena, OpenSearch, and Kendra
  • Fulltime
Read More
Arrow Right

Senior Full-stack Developer - Vice President

We are seeking a highly skilled and experienced Senior Full stack Developer to j...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • A minimum of 12 years of professional experience in software development, with a proven history of technical leadership and building large-scale applications
  • Mastery of Java and Python and their ecosystems, including deep experience with modern frameworks (e.g., Spring Boot, Django, Flask, FastAPI)
  • Deep, hands-on experience with modern frontend frameworks, particularly React, and a strong understanding of web fundamentals
  • Expertise in designing and building complex, scalable distributed systems. Strong knowledge of software design patterns (e.g., microservices, event-driven architecture) and SOLID principles
  • Extensive experience developing for and deploying to cloud-native environments, including deep familiarity with Docker and Kubernetes from a developer's perspective
  • Experience in scripting and automating CI/CD pipelines to create reusable templates and components using tools such as Tekton, Harness, Jenkins, or GitLab
  • Excellent analytical and problem-solving skills, with a passion for debugging and optimizing complex systems
Job Responsibility
Job Responsibility
  • Lead the design and development of flagship application, reusable components, and internal frameworks using Java, Python, and React
  • Define and evangelize best practices for software architecture, including microservices, API design, and cloud-native development patterns
  • Design and build internal tools, libraries, and automated frameworks (including CI/CD components) that enhance developer productivity, code quality, and delivery speed
  • Champion and implement modern software development methodologies, design patterns, and architectural principles through workshops, tech talks, and documentation
  • Work closely with product and platform teams to identify and address common engineering challenges and build solutions that have a broad impact
  • Fulltime
Read More
Arrow Right

Sr. Software Engineer

Provide leadership and mentorship to software engineering team members, fosterin...
Location
Location
United States , Camden
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in Computer Science, related field, or equivalent experience.
  • Minimum of 4–6 years of professional software engineering experience.
  • Proven ability to work independently as a self-starter
  • able to take initiative and deliver solutions aligned with business needs using a logical and structured approach.
  • Technical experience supporting the development and maintenance of business applications.
  • Strong project management and leadership abilities, including guiding and mentoring junior team members.
  • Excellent organizational, verbal, written, and presentation skills.
  • Willingness and ability to adapt to evolving technologies and business requirements.
  • Proficiency with scripting languages such as Bash and Powershell.
  • Experience and strong understanding of both SQL databases (PostgreSQL, MySQL, SQL Server) and NoSQL platforms (MongoDB, DynamoDB, Redis).
Job Responsibility
Job Responsibility
  • Provide leadership and mentorship to software engineering team members, fostering a collaborative environment committed to production excellence and continuous product improvement.
  • Evaluate programming and application development requests, applying technical expertise to determine feasibility and identify opportunities to enhance existing systems and capabilities.
  • Lead the planning, development, documentation, testing, and deployment of business-critical applications and enhancements.
  • Collaborate with business stakeholders to clarify operational procedures and program objectives.
  • Utilize structured analysis and design techniques to create application specifications, including flowcharts and diagrams documenting logical operations.
  • Share application and domain knowledge with other teams, supporting cross-functional understanding between application and infrastructure groups.
  • Provide production support, including monitoring and issue resolution as needed.
  • Oversee integrations between internal systems and external platforms, including marketing technology, CRM solutions, and third-party SaaS providers.
  • Migrate legacy middleware workflows to secure, modern cloud-based architectures.
  • Build and maintain cloud resources using AWS services (such as EC2, S3, Lambda, RDS, VPC, IAM, CloudFormation/CDK).
What we offer
What we offer
  • Medical, vision, dental, and life and disability insurance
  • 401(k) plan
  • Free online training
  • Access to top jobs
  • Competitive compensation
  • Fulltime
Read More
Arrow Right

Principal LLM Engineer

We are looking for a Principal LLM Engineer to lead the design and development o...
Location
Location
United States , Oakland
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years of experience developing and scaling software systems
  • 5+ years experience shipping LLM applications particularly in consumer-focused or AI-driven products
  • Proven track record as a Principal Engineer, Staff Engineer, or Architect in leading complex system designs
  • Proficient in Python, with preferred experience in frameworks such as Django, Flask, or FastAPI
  • Demonstrated knowledge in cloud architectures and distributed systems, including services like EC2, Lambda, S3, and CloudFront
Job Responsibility
Job Responsibility
  • Develop and deploy workflows powered by large language models (LLMs) to improve the search, recommendation, and personalization capabilities of the platform
  • Collaborate with product, data, and AI teams to create intelligent services such as classification, relevance ranking, and summarization
  • Establish and enforce architectural standards across backend, frontend, and infrastructure layers to ensure system reliability and scalability
  • Lead modernization efforts for backend systems built on Python/Django and frontend technologies like React
  • Mentor engineering teams, providing technical guidance and fostering best practices through code reviews and collaborative design sessions
  • Conduct technical exploration of emerging tools and technologies, including vector databases and real-time video personalization frameworks
  • Prototype and test innovative solutions to ensure the platform remains at the forefront of applied AI developments
What we offer
What we offer
  • medical
  • vision
  • dental
  • life and disability insurance
  • eligible to enroll in our company 401(k) plan
Read More
Arrow Right

Senior Python Full Stack Developer

We are seeking a highly skilled Senior Python Full Stack Developer to lead the d...
Location
Location
India , Bangalore
Salary
Salary:
Not provided
amd.com Logo
AMD
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Expert-level proficiency in Python and at least one major Python framework (FastAPI, Django, Flask)
  • Strong frontend experience with JavaScript/TypeScript and at least one modern framework (React, Vue, Angular)
  • Deep understanding of database design, query optimization, and ORMs
  • Proficiency with cloud services (AWS/Azure/GCP) and containerization (Docker, Kubernetes)
  • Strong knowledge of API design, microservices, and distributed systems
  • Experience with CI/CD pipelines and DevOps practices
  • Solid understanding of security best practices, testing frameworks, and version control (Git)
  • Excellent problem-solving skills and ability to work in fast-paced environments
  • Bachelors or Masters degree (preferred) in Computer Science, Computer Engineering, Electrical Engineering, or equivalent
Job Responsibility
Job Responsibility
  • Design and build AI-powered features and services, including LLM-based workflows, recommendation systems, and intelligent automation
  • Develop and integrate Agentic AI systems (multi-step reasoning agents, tool-using agents) using modern frameworks like ADK or similar
  • Implement prompt engineering, evaluation, and optimization strategies for reliable and cost-efficient LLM usage
  • Build RAG (Retrieval-Augmented Generation) pipelines using vector databases (FAISS, Pinecone, Weaviate) for contextual and domain-specific responses
  • Lead development of RESTful / GraphQL APIs using Python (FastAPI, Django, Flask)
  • Design scalable architectures, microservices, and asynchronous task systems (Celery, Redis, RabbitMQ)
  • Implement data models and business logic with SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB)
  • Optimize performance, troubleshoot issues, and enhance system reliability and security
  • Integrate third-party services, cloud APIs, authentication/authorization (OAuth2, JWT)
  • Develop responsive, user-friendly interfaces using modern frameworks (React preferred)
What we offer
What we offer
  • AMD benefits at a glance
  • Fulltime
Read More
Arrow Right