Senior Application Developer Jobs
Senior Application Developer jobs are open across finance, healthcare, government, and enterprise software, from mid-level to staff and principal, with specializations in full-stack development, enterprise application architecture, and cloud-native systems. Find a role that fits from the openings below and apply directly.
Find JobsLooking for remote work? View remote senior application developer jobs →Overview
Showing 5 of 546+ Senior Application Developer jobs
Prime Source Technologies, LLC (PST) is recruiting qualified professionals for anticipated enterprise application development, modernization, and operations support for a federal law-enforcement customer. This opportunity supports mission-critical information systems through secure, reliable application engineering and close collaboration with Government stakeholders. Employment on this program is contingent on award, customer approval, funding, and applicable position activation.
Architect, develop, test and maintain cloud-native applications and integrations on Microsoft Azure.
- Implement Azure App Service, Azure Functions, Azure SQL Managed Instance and suitable event-driven/serverless patterns.
- Build and maintain C#/.NET services and secure REST APIs that integrate enterprise platforms and data sources.
- Apply CI/CD, automated testing, logging, monitoring, access management and secure cloud-development practices.
- Collaborate with DevOps, DBA and security colleagues to plan deployments, troubleshoot incidents and document architectural decisions.
Bachelor’s degree; approximately 5–8 or more years of development experience, strong C#/.NET and REST API proficiency, and hands-on Azure-native architecture experience. Microsoft certifications preferred, not required.
Preferred technical qualifications
- Azure App Service, Functions, Azure SQL, C#/.NET, REST APIs, modern design patterns, integration, Git and CI/CD.
Work schedule and site requirements
Regular support hours are 8:00 a.m.–5:00 p.m., Monday–Friday. Personnel are expected onsite five days a week during an approximately two-month acclimation period. Following that period, and subject to Government authorization, the schedule generally requires at least two days onsite weekly with up to three days telework; the customer may increase onsite requirements up to five days. Occasional evening, weekend, or special-event work may be needed with advance notice.
Equal opportunity
Prime Source Technologies, LLC is committed to equal employment opportunity. Employment decisions are made based on job-related qualifications and applicable law. Reasonable accommodation is available during the application process in accordance with applicable requirements.
Prime Source Technologies, LLC (PST) is recruiting qualified professionals for anticipated enterprise application development, modernization, and operations support for a federal law-enforcement customer. This opportunity supports mission-critical information systems through secure, reliable application engineering and close collaboration with Government stakeholders. Employment on this program is contingent on award, customer approval, funding, and applicable position activation.
Architect, develop, test and maintain cloud-native applications and integrations on Microsoft Azure.
- Implement Azure App Service, Azure Functions, Azure SQL Managed Instance and suitable event-driven/serverless patterns.
- Build and maintain C#/.NET services and secure REST APIs that integrate enterprise platforms and data sources.
- Apply CI/CD, automated testing, logging, monitoring, access management and secure cloud-development practices.
- Collaborate with DevOps, DBA and security colleagues to plan deployments, troubleshoot incidents and document architectural decisions.
Bachelor’s degree; approximately 5–8 or more years of development experience, strong C#/.NET and REST API proficiency, and hands-on Azure-native architecture experience. Microsoft certifications preferred, not required.
Preferred technical qualifications
- Azure App Service, Functions, Azure SQL, C#/.NET, REST APIs, modern design patterns, integration, Git and CI/CD.
Work schedule and site requirements
Regular support hours are 8:00 a.m.–5:00 p.m., Monday–Friday. Personnel are expected onsite five days a week during an approximately two-month acclimation period. Following that period, and subject to Government authorization, the schedule generally requires at least two days onsite weekly with up to three days telework; the customer may increase onsite requirements up to five days. Occasional evening, weekend, or special-event work may be needed with advance notice.
Equal opportunity
Prime Source Technologies, LLC is committed to equal employment opportunity. Employment decisions are made based on job-related qualifications and applicable law. Reasonable accommodation is available during the application process in accordance with applicable requirements.
Senior Application Developer Jobs by Experience Level
See All 546+ Senior Application Developer Jobs
Find roles that match your experience and apply in just a few clicks.
Find JobsSenior Application Developer Job Market
Who's Hiring
- Delan Associates25
- L3Harris10
- Esri9
- 4P Consulting8
- Metropolitan Transportation Authority8
Top Industries Hiring
- Technology & Software25
- Staffing & Recruiting4
- Banking & Financial Services4
- Energy3
- Consulting & Professional Services3
What Employers Look For
The qualifications that appear most often in senior application developer jobs.
- Five or more years of professional software development experience in enterprise or production environments
- Proficiency in one or more of Java, C#, Python, or JavaScript and associated frameworks
- Experience designing and integrating RESTful APIs and microservices architectures
- Familiarity with cloud platforms such as AWS, Azure, or Google Cloud
- Strong understanding of software development life cycle, Agile, and DevOps practices
- Bachelor's degree in computer science, software engineering, or a related technical field
Tips for Your Senior Application Developer Job Search
Tailor your resume to each stack
Senior application developer roles vary sharply by tech stack. Swap in the specific frameworks, languages, and platforms listed in each job description rather than keeping one generic resume. Hiring managers scan for exact tool names, not broad categories like 'back-end development.'
Quantify architectural decisions you owned
Recruiters at this level expect evidence of ownership, not just participation. Describe a system you designed, the scale it handled, and the measurable outcome, whether that is reduced latency, lower infrastructure cost, or improved deployment frequency.
Apply early to roles that fit
Migrate Mate lists senior application developer openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Filter by industry before applying broadly
Enterprise application development in healthcare carries HIPAA compliance expectations, while fintech roles often require familiarity with payment processing regulations. Targeting industries where you already have domain context makes your application immediately more relevant than a generalist candidate's.
Prepare a system design walkthrough in advance
Most senior-level interviews include a live system design round. Practice drawing out a distributed architecture under a time constraint, explaining trade-offs at each decision point. Interviewers want to see how you think, not just what you know.
Negotiate on total compensation, not base alone
Senior application developer offers often include equity, signing bonuses, and professional development stipends. Before your final conversation, research the full compensation structure for the role level and be ready to address each component separately rather than accepting or countering a single number.
Senior Application Developer Jobs: Frequently Asked Questions
Which companies are hiring the most senior application developers?
The companies hiring the most senior application developers right now include Delan Associates, L3Harris, and Esri, with the largest share of openings in Virginia, New York, and Texas, based on current listings on Migrate Mate as of November 2026. Demand is particularly concentrated in enterprise software, financial services, and large healthcare systems.
How many senior application developer jobs are remote?
About 49% of senior application developer openings are fully remote or hybrid as of November 2026, reflecting broad employer comfort with distributed engineering teams at this level. Remote availability is highest in cloud-focused and SaaS product roles, while on-site requirements are more common in regulated industries like defense contracting and certain healthcare systems.
How do you become a senior application developer?
You typically move into a senior application developer role by building several years of hands-on experience writing and maintaining production code, then taking on increasingly complex work like architecting systems, mentoring junior engineers, and owning major features end to end. Deepening expertise in one or two specializations, such as distributed systems or enterprise integration, and earning relevant certifications in cloud platforms accelerates the transition.
Can you get hired as a senior application developer without senior experience?
You can be considered for senior application developer roles without a previous senior title if you can demonstrate senior-level work. A strong portfolio showing systems you designed, complex problems you solved independently, and measurable outcomes carries more weight than a job title. Contributing to significant open-source projects or leading a high-impact initiative at a smaller company can substitute for years at a large organization.
What does the senior application developer interview process look like?
The process typically starts with a recruiter screen, followed by a technical phone interview testing coding fundamentals and problem-solving. Later rounds include a system design session where you architect a solution from scratch, a deep-dive into past projects, and a panel interview with the engineering team and sometimes a hiring manager or product lead. Some employers also assign a take-home coding exercise between rounds.
Where can I find and apply to senior application developer jobs?
You can find and apply to senior application developer jobs on Migrate Mate, which lists current openings from employers across the United States. Find roles that match your experience and specialization, then apply directly to each listing from the page.
See All 546+ Senior Application Developer Jobs
Find roles that match your experience and apply in just a few clicks.
Find Jobs