Senior Software Engineer – Full Stack

Job summary

Design and build scalable, high-performing applications for complex, business-critical transactional platforms, working across the full technology stack. Collaborate with cross-functional teams to develop user experiences, APIs, microservices, and distributed systems, while supporting engineering best practices and mentoring junior developers.

Job details

Job Description As a Senior Full Stack Developer, you will design and build scalable, high-performing applications that support complex, business-critical and transactional platforms. You will work across the full technology stack, collaborating with cross-functional teams to develop modern user experiences, APIs, microservices, and distributed systems. Must-Have Qualifications 5–7 years of experience as a Full Stack Developer, with expertise in: Front-End Development: Proficiency in Angular, React, or similar frameworks for building dynamic and responsive user interfaces. Back-End Development: Strong experience with Java (Spring Boot) OR Python with FastAPI for developing scalable, high-performance services. Proficiency in building and consuming REST APIs and working with microservices architectures. Strong understanding of: RDBMS: Oracle, MSSQL, PostgreSQL, or similar databases. NoSQL: MongoDB, ELK, or similar technologies. Experience with messaging platforms such as Solace, MQ, Kafka, or similar technologies. Hands-on experience with DevOps practices, including: CI/CD pipelines. Infrastructure automation tools such as Ansible scripts and HELM charts. Understanding of containerization and orchestration technologies, including Docker, Kubernetes, and OpenShift. Strong debugging and problem-solving skills, with the ability to work independently on complex tasks. Familiarity with Agile methodologies and hands-on experience with tools such as JIRA and Confluence. Ability and willingness to share knowledge and mentor junior developers, promoting engineering best practices. Experience building and supporting transactional and financial systems. Nice-to-Have Qualifications Experience with Python web frameworks, such as Flask or Django, for lightweight web development. Domain expertise in SWIFT Payments and ISO 20022 standards. Experience with payment-processing applications, such as: Payment Hubs Wire Engine Wire Room Similar payment platforms Knowledge of cloud platforms, including AWS, Azure, or GCP, and distributed systems. Experience integrating security protocols, such as JWT and OAuth, into applications. Exposure to event-driven architectures and distributed systems. Additional Information Pay Range: $115,000 - $145,000 The range shown represents a grouping of relevant ranges currently in use at Publicis Sapient. Actual range for this position may differ, depending on location and specific skillset required for the work itself. Benefits of Working Here: Generous paid vacation and 15 paid holidays Maternity and paternity leave (birth or adoption) Gym, travel, retail and phone service discounts Tuition reimbursement Corporate gift matching program As part of our dedication to an inclusive and diverse workforce, Publicis Sapient is committed to Equal Employment Opportunity without regard for race, color, national origin, ethnicity, gender, protected veteran status, disability, sexual orientation, gender identity, or religion. We are also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at hiring@publicis.sapient.com Company Description Publicis Sapient is a digital transformation partner helping established organizations get to their future, digitally enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting, and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next, our 20,000+ people in 53 offices around the world combine experience across technology, data sciences, consulting, and customer obsession to accelerate our clients’ businesses through designing the products and services their customers truly value.

What you’ll do

Design and build scalable, high-performing applications for complex, business-critical transactional platforms, working across the full technology stack. Collaborate with cross-functional teams to develop user experiences, APIs, microservices, and distributed systems, while supporting engineering best practices and mentoring junior developers.

Requirements

Requires 5–7 years of full-stack development experience, proficiency in a modern front-end framework and Java with Spring Boot or Python with FastAPI, and experience with APIs, microservices, databases, messaging platforms, and DevOps tools. Candidates should also have strong debugging skills, Agile experience, and experience building or supporting transactional and financial systems.

Benefits

• Paid Vacation
• Paid Holidays
• Maternity Leave
• Paternity Leave
• Gym Discounts
• Travel Discounts
• Retail Discounts
• Phone Service Discounts
• Tuition Reimbursement
• Corporate Gift Matching

Listed skills

• Kubernetes · Preferred
• REST APIs · Preferred
• CI/CD · Preferred
• Angular · Preferred
• Docker · Preferred
• React · Preferred
• Java · Preferred
• Spring Boot · Preferred
• Python · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Full-Stack Development
• Angular
• React
• Java
• Spring Boot
• Python
• FastAPI
• REST APIs
• Microservices
• Relational Databases
• NoSQL Databases
• Messaging Platforms
• CI/CD
• Docker
• Kubernetes
• OpenShift

Job areas

• Software
• Technology
• Finance & Accounting
• Consulting