Senior Application Developer (Hybrid)
Serigor Inc.
Job Title: Senior Application Developer
Location: Philadelphia, PA (Hybrid onsite Tue/Wed/Thu)
Duration: 6 months, Contract-to-Hire
Job Description:
The Senior Application Developer is a senior-level individual contributor responsible for designing, developing, testing, implementing, and supporting scalable web applications, APIs, integrations, and cloud-based solutions. This role partners closely with business stakeholders, architects, product teams, and fellow developers to deliver high-quality software that meets business objectives while adhering to established architecture, security, and development standards. The Senior Application Developer provides technical leadership through solution design, code reviews, mentoring, and adoption of modern engineering practices, including AI-assisted software development tools. Supporting technologies used within the organization include Java, Spring Boot, React, Angular, Google Cloud Platform (GCP), and enterprise integration platforms.
Key Responsibilities:
- Design, develop, test, deploy, and maintain enterprise-grade web applications, APIs, and cloud-native solutions.
- Translate functional and technical requirements into scalable, secure, and maintainable application designs.
- Develop RESTful APIs and integration services supporting internal and external business partners.
- Build modern user interfaces using React and Angular frameworks.
- Develop backend services using Java and Spring Boot.
- Implement cloud-native solutions leveraging Google Cloud Platform services.
- Participate in application architecture, technical design reviews, and solution planning sessions.
- Perform code reviews to ensure adherence to coding standards, security requirements, and best practices.
- Mentor and provide technical guidance to junior and mid-level developers.
- Support production applications by troubleshooting incidents, resolving defects, and implementing enhancements.
- Collaborate with DevOps teams to support CI/CD pipelines, deployment automation, and operational excellence.
- Ensure compliance with security, privacy, accessibility, and software development lifecycle standards.
- Evaluate and leverage AI-assisted development tools such as GitHub Copilot, Claude Code, and similar technologies to improve development productivity and code quality.
- Participate in Agile ceremonies including sprint planning, backlog refinement, estimation, and retrospectives.
- Create and maintain technical documentation, design artifacts, and implementation guides.
Minimum Education and Experience:
- Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field, or equivalent work experience.
- Minimum 5 years of application development experience.
- Minimum 3 years of experience developing enterprise web applications.
- Hands-on experience with Java and Spring Boot.
- Experience developing and consuming RESTful APIs and web services.
- Experience with React and/or Angular.
- Experience working with relational databases and SQL.
- Experience with cloud platforms, preferably Google Cloud Platform (GCP).
- Experience with source control systems, automated testing, and CI/CD processes.
- Strong troubleshooting and problem-solving skills.
- Excellent verbal, written, and interpersonal communication skills.
- Ability to work independently while collaborating effectively within cross-functional teams.
Preferred Qualifications:
- Experience developing cloud-native applications and microservices architectures.
- Experience with containerization technologies such as Docker and Kubernetes.
- Experience with API gateways, event-driven architectures, and enterprise integrations.
- Experience with automated testing frameworks and test-driven development practices.
- Experience working in Agile software development environments.
- Familiarity with application security best practices and secure coding principles.
- Experience utilizing AI-powered software development and code generation tools.
- Healthcare, insurance, or regulated industry experience.
Soft Skills:
- Strong troubleshooting and problem-solving skills.
- Excellent verbal, written, and interpersonal communication skills.
- Ability to work independently while collaborating effectively within cross-functional teams.
- Able to provide technical leadership through solution design, code reviews and mentoring.
Skills:
Skill
Required/
Desired
| Java Development Experience. | Required | 5 | Years |
| Application Development Experience (overall). | Required | 5 | Years |
| Developing enterprise web applications. | Required | 3 | Years |
| Spring Boot hands-on. | Required | Years | |
| Developing and consuming RESTful APIs and web services. | Required | Years | |
| React and/or Angular. | Required | Years | |
| Relational databases and SQL. | Required | Years | |
| Cloud platforms preferably Google Cloud Platform (GCP). | Required | Years | |
| Source control systems, automated testing and CI/CD processes. | Required | Years | |
| Code reviews against coding standards, security requirements and best practices. | Required | Years | |
| Mentoring junior and mid-level developers; technical leadership through solution design. | Required | Years | |
| Production support incident troubleshooting, defect resolution, enhancements. | Required | Years | |
| Bachelor's degree in CS, IT, Software Engineering or related field, or equivalent work experience. | Required | ||
| AI-assisted development tools GitHub Copilot, Claude Code or similar. | Desired | Years | |
| Cloud-native applications and microservices architectures. | Desired | Years | |
| Docker and Kubernetes. | Desired | Years | |
| API gateways, event-driven architectures and enterprise integrations. | Desired | Years | |
| Automated testing frameworks and test-driven development. | Desired | Years | |
| Agile software development environments. | Desired | Years | |
| Application security best practices and secure coding. | Desired | Years | |
| Healthcare, insurance or regulated industry experience. | Desired | Years |
$50 per hour
...life balance by promoting this hybrid telework opportunity. These... ...engineering excellence. Join a team developing software that supports... ...WorkLockheed Martin is seeking a Senior Software Engineer to support... ...or a related discipline with applicable coursework and at least 5...SeniorFull timeContract workTemporary workWork experience placementInterim roleCasual workWork at officeRemote workFlexible hours$140k
...employer offers the opportunity to work on mission-critical applications used by leading global brands while collaborating with talented... ...Redux, TypeScript, and state management patterns Experience developing and securing API layers using modern authentication and authorization...SeniorFull timeWork at office- ...looking for UiPath RPA Lead / Solution Architect / SME / Senior Developer in Philadelphia, PA. (Hybrid) Title: UiPath RPA Lead / Solution... ...should also have experience with SAP, Salesforce, legacy applications, APIs, OCR, SQL Server, .NET, VB.NET/C#, SOAP/REST...SeniorLocal area2 days per week1 day per week
$133.4k - $238.4k
Principal CX/UX Designer (API Developer Platform) - Hybrid (CT/ET) R0060120 About the Role: As a Principal... ..., SDKs, and AI workflows. As a senior individual contributor, you will stay... ...disqualification from the recruitment process.Applicants may be required to appear onsite at a...SuggestedFull timeWork at officeWorldwide- LHH, a leading corporate accounting partner, seeks a Senior Accountant in a hybrid NJ-based role. You will support monthly close, GAAP reporting, SEC reporting, and SOX compliance while partnering with cross-functional teams to drive process improvements. This opportunity...Senior
- A growing CPA firm is looking for a Senior Tax Accountant in Montgomery County. The ideal candidate will manage multiple client engagements... ...culture and no micromanagement, you'll thrive in a hybrid role. Ideal candidates have 2-8 years of public accounting experience...Senior
- ...Philadelphia Bala Cynwyd, PA is seeking an Operational Risk Senior Associate to develop and execute internal controls and risk management... ...analysis, and data monitoring with dashboards for leaders. Hybrid schedule; sponsorship not required; relocation/sign-on may...SeniorRelocation
- Philadelphia Insurance Companies, part of the Tokio Marine Group, seeks a Sr. Underwriter I to join the Public Service team. The hybrid role focuses on underwriting large property and casualty risks with strong analytical, communication and collaboration skills. The position...Senior
- ...the autonomy to shape their careers in a fulfilling way. A hybrid between a general tax practice and a hyper-specialized firm, our... ...clients. Should you need any accommodations to complete this application please email: ****@*****.***. #LI-Hybrid #LI...SeniorFull timeLocal area
- ...operation since 1962 and are nationally recognized as a member of Ward's Top 50 and rated A++ by A.M.Best. Philadelphia Insurance Companies offers a hybrid work model with remote considerations for qualified candidates. #J-18808-Ljbffr Philadelphia Insurance CompaniesSeniorRemote job
- ...to procedures, and quality service. The role includes staff development and collaboration with underwriting. The position offers a hybrid work model with a national salary range and opportunities for remote consideration outside the primary region. #J-18808-Ljbffr Maguire...SeniorRemote work
$150k - $250k
...reach your goals. EisnerAmper is seeking a Senior Manager to join our State and Local Tax... ...their careers in a fulfilling way. A hybrid between a general tax practice and a... ...need any accommodations to complete this application please email: ****@*****.***...SeniorFull timeLocal area- ...Description A respected Pennsylvania defense firm is hiring a senior professional liability attorney in Philadelphia. The practice is... ...side history does not rule you out. The details: Philadelphia, hybrid, typically two to three days in the office with flexibility for...SeniorWork at office
$60k - $70k
Sasser, Inc. in Hatboro, PA, is seeking a Senior Accounts Receivable Specialist to manage collections for Express 4x4 Truck Rental and... ...attention to cash flow, and collaboration with the General Ledger team. Hybrid schedule: four days onsite, one day remote weekly. Base salary...SeniorRemote work$60k - $70k
Sasser, based in Oak Brook, IL, seeks a Senior Accounts Receivable Specialist to manage rental revenues, customer damage claims, and ledger reconciliations in a hybrid role. The ideal candidate will oversee AR disputes, monitor payments, and prepare analyses for AR and...Senior$135.8k - $225k
...StatesCapabilities: ChemicalOffice Setup: Hybrid, RemoteSalary: $135,800.00 -... .... We're looking for a Senior Process Engineer (Remote/... ...process design basis, develop process options and optimizations... ...education or training.All qualified applicants will receive consideration...SeniorFull timeRemote work$123.6k - $206k
Work Location & Arrangement: This is a hybrid position requiring four days/week of in-office work with one day/week of remote work available... ...the Bank in civic and community activities.Adhere to applicable compliance/operational risk controls in accordance with Company...SeniorFull timeWork experience placementWork at officeImmediate startRemote work1 day per week$105.4k
.... We are looking for lead software developers to design, develop, and deliver enterprise-level applications. You will have an opportunity to expand... ..., and demos to audiences including senior executives and stakeholdersWork within a hybrid modelActively engage in our culture...SeniorLocal areaImmediate start$130k - $150k
...Job Description Job Description Full Stack IAM Developer Security Applications / Identity and Access Management Hybrid: Phila., PA 19103 $130,000-150,000 Technical Skills Front End: Angular 20/21, Angular 22 migration exposure Back End: Java 17, Spring...$135.7k - $203.55k
...remote option.)Job SummaryComcast is looking for a Senior Firmware Engineer (Engineer 4) to develop and maintain software for next-generation technician... ...Technology Center. Alternatively, we will consider applicants in the Englewood, CO area. It is not approved for remote...SeniorFull timeWork at officeWorldwide- We are looking for a Senior DevOps Engineer to join our PISA DevOps... ...5+ years of experience in developing and maintaining CI/CD pipelines... ..., and scaling containerized applications using Kubernetes or similar tool... ...US EST time zone. This is a hybrid position, you will be...SeniorPermanent employmentFull timeWork at officeWorldwide2 days per week
- ...We are seeking an experienced Senior Oracle Database Software Engineer to design, develop, optimize, and maintain enterprise-grade database applications and reusable software components. The role... ...solutions in enterprise and hybrid infrastructure environments. ~ Hands...SeniorContract work
$105.1k - $164.13k
ResponsibilitiesNoblis MSD is seeking a Senior Java Developer to support a large-scale software... ...maintain, test, and support Java-based applications. The ideal candidate has experience working... ...maintain a drug‑free workplace.Remote/hybrid status is subject to change based on...SeniorFull timeContract workPart timeLocal areaRemote work$116.2k - $229.1k
...ends on 11/1/2026. Work you'll do As a Senior Consultant on the Moveworks team, you will... ...& Technology Offering is dedicated to developing leading global HR strategies and implementing... ..., including hands-on work with application programming interfaces (APIs), Representational...SeniorLocal areaVisa sponsorship- ...Paid time off ~ Parental leave Senior Embedded Software Engineer Camden, New... ...matter expert in embedded software application development, through guidance and direction... ...members of the engineering organization to develop and evaluate interfaces between hardware...SeniorFull timeRelocation package
$110.7k - $372.9k
Position Summary Senior Agentic AI Engineer — Healthcare AI... ...& context engineering • Develop end-to-end Retrieval-Augmented... ...chunking, embeddings, vector and hybrid retrieval, reranking,... ...has not been adjusted for the applicable geographic differential associated...SeniorLocal areaVisa sponsorship$122k - $240.5k
...software, data, AI, network, and hybrid cloud infrastructure. These... ...solutions for designing, developing, and operating advanced Data... ...experience developing AI/ML applications in PythonAt least 1 year of direct... ...entry-level employees to senior leaders, we believe there’s always...SeniorWork at officeLocal areaVisa sponsorshipShift work$122k - $240.5k
...software, data, AI, network, and hybrid cloud infrastructure. These... ...solutions for designing, developing, and operating advanced Data... ...orchestration of AI/agentic applications); OpenAI Service (LLM integration... ...From entry-level employees to senior leaders, we believe there’s...SeniorLocal areaVisa sponsorship$85.1k - $161.7k
...RSMUS is currently seeking a Senior Associate to join our Accounting... ...business expectations and develop financial analytics solutions... ...Server, Data Visualization applications (such as Tableau, Power BI, or... ...in modeling Equity, Debt, and hybrid instruments as they relate to...SeniorFull timeWork experience placementInternshipLocal area$169.86k
...REQUISITIONAI ML Solution Architect & Developer Senior ManagerLOCATIONDALLASADDITIONAL LOCATION... ...secure API integrations) to ensure AI applications adhere to enterprise and regulatory... ...Solutions Architect are preferred. Our Hybrid Workplace Protiviti practices a hybrid...SeniorFull timeTemporary workLocal areaRemote workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Application Developer (Hybrid). Be the first to apply!
- software applications developer Philadelphia, PA
- junior application support engineer Philadelphia, PA
- senior application security engineer Philadelphia, PA
- application performance engineer Philadelphia, PA
- app developer Philadelphia, PA
- application system engineer Philadelphia, PA
- network applications engineer Philadelphia, PA
- senior application support engineer Philadelphia, PA
- application engineering manager Philadelphia, PA
- senior business development Philadelphia, PA





