Senior Python Full Stack Developer Jobs in Williamsville, NY

 Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Lead Full Stack Developer, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. If so, consider an opportunity with Deloitte under our Project Delivery Talent Model. Project Delivery Model (PDM) is a talent model that is tailored specifically for long-term, onsite client service delivery.

Recruiting for this role ends on 7/3/2026

Work you'll do/Responsibilities  

We are seeking a skilled and passionate Lead Full Stack Developer to join our dynamic development team. In this role, you will be responsible for designing, developing, and maintaining both front-end and back-end components of our web applications. You will work in a collaborative environment, contributing to all phases of the software development lifecycle, from concept to deployment.

• Design and develop user-facing features using modern front-end technologies.
• Build and maintain server-side applications and APIs.
• Design and manage databases and data persistence solutions.
• Write clean, maintainable, and well-documented code.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Troubleshoot and debug applications to ensure optimal performance and reliability.

The successful candidate would possess these skills:

• Effective written and verbal communication skills
• Meticulous attention to detail and quality of work product
• Ability to build and sustain professional relationships
• Ability to lead projects or workstreams
• Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment
• Strong interpersonal skills and professional demeanor
• Ability to meet deadlines
• Ability to provide clear guidance to others
• Communicate regularly with Engagement Managers (Directors), project team members, and representatives from various functional and / or technical teams, including escalating any matters that require additional attention and consideration from engagement management
• Independently and collaboratively lead client engagement workstreams focused on improvement, optimization, and transformation of processes including implementing leading practice workflows, addressing deficits in quality, and driving operational outcomes

The Team

AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate integrated/verticalized sector solutions in software, data, AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for business advantage, transforming mission-critical operations. We enable clients to stay ahead with the latest advancements by transforming engineering teams and modernizing technology & data platforms. Our delivery models are tailored to meet each client's unique requirements.

Engineering as a Service provides complete design, implementation, and technology operations, leveraging our core engineering expertise. We transform engineering teams, modernize technology, and deliver complex programs with a product engineering approach. Our flexible delivery models-traditional teams, pools, or pods-are tailored to each client's needs, offering engineering-led advisory, implementation, and operational capabilities to accelerate innovation.

Qualifications

Required

• 6+ years of progressive experience as a Full Stack Developer, Software Engineer, or similar role, including designing, developing, testing, and deploying enterprise-grade applications across front-end and back-end layers.
• 6+ years of hands-on experience with front-end technologies such as HTML, CSS, and JavaScript/TypeScript, including 3+ years working with modern frameworks such as React, Angular, or Vue.js to build scalable, responsive user interfaces.
• 5+ years of experience with back-end development using languages and frameworks such as Node.js, Python, Java, or equivalent, including building APIs, integrating services, and supporting secure, maintainable application architecture.
• 4+ years of hands-on experience with database technologies, including SQL and NoSQL databases, with demonstrated ability in data modeling, query optimization, and application data integration.
• 5+ years demonstrating strong problem-solving, communication, and collaboration skills, including troubleshooting complex technical issues, translating business requirements into technical solutions, and leading or mentoring developers in delivery environments.
• Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
• Limited immigration sponsorship may be available
• Candidates must be at least 18 years of age at the time of employment
• Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve

Preferred

• Experience with cloud platforms like AWS, Azure, or GCP.
• Familiarity with containerization technologies like Docker and Kubernetes.
• Knowledge of CI/CD pipelines and DevOps practices.
• Experience working in an Agile development environment.

• Analytical/ Decision Making Responsibilities
• Analytical ability to manage multiple projects and prioritize tasks into manageable work products
• Can operate independently or with minimum supervision
• Excellent Written and Communication Skills
• Ability to deliver technical demonstrations

The wage range for this role considers the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $113,800 to $190,700.

You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance. 

This position is aligned with the Project. To view the associated benefit package, please reference this document : Benefit Plan Project/Center: USBenefitsJourneyProjectandCenterTAM

 Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Lead Full Stack Developer, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. If so, consider an opportunity with Deloitte under our Project Delivery Talent Model. Project Delivery Model (PDM) is a talent model that is tailored specifically for long-term, onsite client service delivery.

Recruiting for this role ends on 7/3/2026

Work you'll do/Responsibilities  

We are seeking a skilled and passionate Lead Full Stack Developer to join our dynamic development team. In this role, you will be responsible for designing, developing, and maintaining both front-end and back-end components of our web applications. You will work in a collaborative environment, contributing to all phases of the software development lifecycle, from concept to deployment.

• Design and develop user-facing features using modern front-end technologies.
• Build and maintain server-side applications and APIs.
• Design and manage databases and data persistence solutions.
• Write clean, maintainable, and well-documented code.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Troubleshoot and debug applications to ensure optimal performance and reliability.

The successful candidate would possess these skills:

• Effective written and verbal communication skills
• Meticulous attention to detail and quality of work product
• Ability to build and sustain professional relationships
• Ability to lead projects or workstreams
• Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment
• Strong interpersonal skills and professional demeanor
• Ability to meet deadlines
• Ability to provide clear guidance to others
• Communicate regularly with Engagement Managers (Directors), project team members, and representatives from various functional and / or technical teams, including escalating any matters that require additional attention and consideration from engagement management
• Independently and collaboratively lead client engagement workstreams focused on improvement, optimization, and transformation of processes including implementing leading practice workflows, addressing deficits in quality, and driving operational outcomes

The Team

AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate integrated/verticalized sector solutions in software, data, AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for business advantage, transforming mission-critical operations. We enable clients to stay ahead with the latest advancements by transforming engineering teams and modernizing technology & data platforms. Our delivery models are tailored to meet each client's unique requirements.

Engineering as a Service provides complete design, implementation, and technology operations, leveraging our core engineering expertise. We transform engineering teams, modernize technology, and deliver complex programs with a product engineering approach. Our flexible delivery models-traditional teams, pools, or pods-are tailored to each client's needs, offering engineering-led advisory, implementation, and operational capabilities to accelerate innovation.

Qualifications

Required

• 6+ years of progressive experience as a Full Stack Developer, Software Engineer, or similar role, including designing, developing, testing, and deploying enterprise-grade applications across front-end and back-end layers.
• 6+ years of hands-on experience with front-end technologies such as HTML, CSS, and JavaScript/TypeScript, including 3+ years working with modern frameworks such as React, Angular, or Vue.js to build scalable, responsive user interfaces.
• 5+ years of experience with back-end development using languages and frameworks such as Node.js, Python, Java, or equivalent, including building APIs, integrating services, and supporting secure, maintainable application architecture.
• 4+ years of hands-on experience with database technologies, including SQL and NoSQL databases, with demonstrated ability in data modeling, query optimization, and application data integration.
• 5+ years demonstrating strong problem-solving, communication, and collaboration skills, including troubleshooting complex technical issues, translating business requirements into technical solutions, and leading or mentoring developers in delivery environments.
• Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
• Limited immigration sponsorship may be available
• Candidates must be at least 18 years of age at the time of employment
• Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve

Preferred

• Experience with cloud platforms like AWS, Azure, or GCP.
• Familiarity with containerization technologies like Docker and Kubernetes.
• Knowledge of CI/CD pipelines and DevOps practices.
• Experience working in an Agile development environment.

• Analytical/ Decision Making Responsibilities
• Analytical ability to manage multiple projects and prioritize tasks into manageable work products
• Can operate independently or with minimum supervision
• Excellent Written and Communication Skills
• Ability to deliver technical demonstrations

The wage range for this role considers the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $113,800 to $190,700.

You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance. 

This position is aligned with the Project. To view the associated benefit package, please reference this document : Benefit Plan Project/Center: USBenefitsJourneyProjectandCenterTAM