Lead API Developer
System One
Job Title: Lead API Developer
Location: Pittsburgh, Pennsylvania
Type: Permanent Full Time
Responsibilities
- Lead the design, development, and maintenance of high-performance APIs and microservices.
- Collaborate with cross-functional teams to gather requirements, architect solutions, and ensure scalability, reliability, and security of APIs.
- Mentor junior developers, lead technical discussions, and promote best practices and standards.
- Develop and unit test Java-based RESTful services integrating with external client systems.
- Review design documents, provide feedback on architecture, approach, and estimates.
- Create technical designs for new systems and enhancements to existing systems.
- Translate detailed requirements into functional system designs.
- Participate in and drive release planning activities.
- Create and manage Change Requests (CRs) for deployments and production releases.
- Support and drive end-to-end release execution, including deployment and post-release validation.
- Troubleshoot, optimize, and support applications across environments.
- Work with DevOps tools such as Jenkins, uDeploy, and Git.
- Research and recommend libraries, tools, and frameworks to accelerate development.
- Collaborate closely with internal and external business, design, and technical stakeholders.
- Prioritize work, meet deadlines, and manage multiple initiatives effectively.
- Establish and maintain strong working relationships with clients, team members, and cross-functional partners.
- Communicate effectively across diverse teams and understand technical challenges.
Requirements
- At least 10+ years of hands-on experience in Java/J2EE development, troubleshooting, and deployment.
- Hands-on experience with modern technologies such as Spring Boot and Microservices architecture.
- Experience designing, developing, maintaining, and implementing APIs, microservices, and backend components.
- Proven leadership experience managing a team of API developers, providing technical guidance and mentorship.
- Strong knowledge of API standards, best practices, and service improvements.
- Experience developing and unit testing Java-based RESTful services.
- Ability to review design documents and provide feedback on architecture, approach, and estimates.
- Experience creating technical designs for new systems and system enhancements.
- Knowledge of release planning, change request management, and deployment processes.
- Familiarity with DevOps tools such as Jenkins, uDeploy, and Git.
- Hands-on experience with API management platforms such as Apigee.
- Strong collaboration skills with internal and external stakeholders.
- Excellent interpersonal and communication skills.
- Experience with Java/J2EE development, REST API, Spring Boot, Angular, XML, JSON, Swagger.
- 8+ years of experience with RESTful or SOAP web services.
- 5+ years of experience with Angular, CSS, JavaScript, HTML.
- 5+ years of experience with GitHub, Jenkins, and CI/CD pipelines.
- Experience writing unit tests for JavaScript code.
- Familiarity with Agile methodologies and Release Management.
#M-
#LI-
Ref: #404-IT Pittsburgh
System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
- ...Job Description Permanent Onsite Role Position Title: Java API Technical Lead Pittsburgh, PA, Cleveland, OH, or Dallas, TX Your future... ...the team with technical queries and guide and mentor them to develop top quality code. . Work in an Agile environment and adapt...SuggestedPermanent employmentShift work
- ...Job Title: Lead API Developer Location: Pittsburgh, Pennsylvania, United States Type: Permanent Full Time Work Model: Hybrid – onsite and remote Responsibilities Design, develop, and maintain high-performance APIs that power the system. Collaborate...SuggestedPermanent employmentFull timeLocal areaRemote work
- ...Job Title: Lead API Developer Location: Pittsburgh, Pennsylvania Type: Permanent Full Time Responsibilities Lead the design, development, and maintenance of high-performance APIs and microservices. Collaborate with cross-functional teams to gather requirements...SuggestedPermanent employmentFull timeLocal area
- ...know if you are available for this role. Title: Angular Lead Developer Location: Pittsburgh. PA Duration: Full Time... ..., HTML5, and CSS3. ~ Experience integrating with RESTful APIs. ~ Familiarity with RxJS, NgRx (or other state management...SuggestedFull timeImmediate startRelocation
- ...Job Description Job Description Job Title: Java API Tech Lead Location: Pittsburgh, Pennsylvania Type: Contract To Hire Compensation... ...Boot, and frontend technologies like Angular or React. Develop and design RESTful APIs and microservices for enterprise applications...SuggestedContract workLocal area
$110k - $115k
...innovative technology to deliver industry-leading digital solutions. Synechron’s... ...development initiatives in our FinLabs we develop solutions for modernization, from Artificial... ...experience with Redux, React Hooks, Context API \n Expertise in building responsive, reusable...Temporary workFlexible hours- ...Description Job Description AWS Architect / Senior Technical Lead CEI America | Remote| Full-Time About CEI America CEI America... ...Strong hands-on experience with Lambda and serverless services (API Gateway, Step Functions, EventBridge, SQS/SNS) ~ Solid SysOps...Full timeRemote work
$99k - $232k
...& SummaryThe OpportunityAs a Gemini Tech Lead you will lead client-facing generative AI... ...Building and tuning solutions using LLM APIs, retrieval-augmented generation, vector databases... ..., or Azure AI Services based solutions- Developing Python-based prototypes and workflow...Full timeH1b- ...our team.The ideal candidate will have a proven track record of leading technical implementation teams and designing robust solutions... ...deployment and customization of Ivalua solutions.Design and develop API-based integrations between Ivalua and enterprise systems, ensuring...Work experience placementLive inWork at officeLocal area
$115k - $120k
...innovative technology to deliver industry-leading digital solutions. Synechron’s... ...development initiatives in our FinLabs we develop solutions for modernization, from Artificial... ...browser interfaces \n Integrate with REST APIs and backend services, including error handling...Temporary workFlexible hours$130k - $200k
Position Summary CCaaS Technical Lead, Senior ConsultantOur Deloitte Sales & Service... ...and Contact Center AI implementations.Develop solution designs, integration patterns, technical... ...as Amazon Connect, Lex, Bedrock, Lambda, API Gateway, S3, DynamoDB, and CloudWatch....Local area- ...Technical Lead Java · Spring Boot · Microservices · Apache Kafka Pittsburgh, PA / Dallas... .... WHAT YOU'LL DO Design, develop, and maintain scalable, high-performance backend... ...technical solutions. Develop and maintain REST APIs and implement multithreaded applications...Full time
- ...Senior iOS DeveloperRole DescriptionWe are seeking a Senior iOS Developer with 6 to 8 years of experience in designing, developing, and... ...SkillsNative iOS Development, Swift, UIKit, SwiftUI, Xcode, REST APIs, JSON, Mobile Application Architecture, MVVM, MVC, Retail...
- ...ambition into enterprise-scale impact, pairing leading class engineering with pod-based delivery... ...forward-deployed engineering pods that develop and deploy GenAI solutions into... ...LLM solutions with enterprise systems via APIs, microservices, or event-driven architectures...Local areaShift work
$119k - $140k
...most severe heart attacks.Heart disease is the leading cause of death for both men and women in the U... ...Manager - Integration will lead a team of developers and oversee integration architecture, interface development, API strategy, vendor coordination, and operational...Minimum wageOngoing contractWork experience placementLocal areaRemote workWorldwide- ...collaborationBuild AI agents integrated with enterprise systems, APIs, and business applications.Implement autonomous business... ...PlatformsOptimize prompt engineering and context management strategies.Develop AI evaluation and benchmarking frameworks.Agentic AIBuild autonomous...Work experience placementLive inWork at officeLocal area
$104.8k - $149.3k
...technically versatile Senior Systems Engineer to lead the architecture, integration, validation... ...field.Minimum 10 years of experience developing and delivering complex integrated... ...native applications, distributed systems, APIs, data platforms, and edge-to-cloud architectures...Work experience placementWorldwide- ...you are available for this role. Title: Java Technical Lead Location: Pittsburgh PA Duration: Fulltime... ...: Write complex code, build Proof of Concepts (PoCs), and develop/maintain RESTful APIs. [1, 2, 3] Team Leadership & Mentorship: Guide...Full timeImmediate startRelocation
- ...Description Job Description Job Title: Lead DevSecOps Engineer Location: Pittsburgh,... ...security policies before execution. Develop Ansible playbooks and Terraform modules for... ...scanning. ~ Advanced Python skills: REST API integrations, automation scripting, data pipeline...Local areaShift work
$141k - $278k
Position Summary Lead Network Engineer Our Enterprise Networks practice, part of... ...using leading vendor solutions and Deloitte-developed accelerators. Recruiting for this role... ...Ansible, Terraform, Git)Basic familiarity with APIs and structured data/config models (YANG,...Local area$128k - $252.5k
Position Summary US-E - Consulting - Lead Integration Engineer II - AI & Engineering... .../subscribe, request/reply, aggregator). Develop and implement solutions that adhere to established... ...enterprise architecture frameworks. API Management: Design, build, and manage APIs...Local areaVisa sponsorshipFlexible hours$200k - $275k
...experienced and visionary Principal Technical Lead Manager to build and lead our new AI Data... ...store, metadata in Postgres, etc) and APIs owned by several teams across the company... ...build systems.Prior experience with developing frontend workflows using LLMs.We encourage...Work at officeRemote work- Corporate Security Engineering - Lead Engineer RoleAt BNY, our culture allows us to run our company better and enables employees’ growth... ...additional scripting language (e.g., Python) for automation and API integrations.Solid networking fundamentals: TCP/IP, VLANs, routing...Work at officeRemote workWorldwideFlexible hours
- ...in your email message. Java Technical Lead - ECM solutions : - Lead the design, development... ...platforms, Customer-facing applications, APIs and downstream systems - Provide... ...) - Experience designing and developing: Document ingestion workflows, Document retrieval...Permanent employmentImmediate startVisa sponsorship
- DescriptionWe are seeking a dynamic and experienced hands-on tech lead in our Banking and Capital Markets practice. This role focuses on driving collaboration across internal teams and clients to deliver integrated solutions that create measurable business impact. The...
- ...transmission. The preferred candidate will have a proven ability to lead a team of engineers and designers to deliver successful projects... ..., including strategy, approach, and engineering fee.Mentor and develop junior water process and designs staff.Participate in local and...Work at officeLocal areaWorldwideRelocation packageFlexible hours
- ...operational environments. This role includes guiding technical teams, evaluating architectural tradeoffs, developing prototypes, analyzing existing source code, and leading customer engagements that inform acquisition and sustainment decisions.What You’ll DoSupport Naval...Full timeFor contractorsWork at officeRelocation package
$105.4k - $207.8k
...the Converge for FSI team in our mission to develop differentiated financial services products... ...design principles: service decomposition, API design, resiliency patterns,... ...use casesExceptional communicator — able to lead technical conversations with senior engineers...Work at officeLocal area- ...business outcomes. While responsible for leading and growing a team of engineers, this role... ...initiatives.What you will doLead and develop a team of software engineers through coaching... ...-driven architectures, microservices, APIs, and modern software development practices...Visa sponsorshipWork visa
$91.8k - $160.7k
Lead Application Support Engineer-Java/AWS Position Description We are... .... . 5+ years of Java Full Stack Developer . Experience working with Git and Maven... ...and enhance enterprise applications and APIs. . Implement approved change requests...Permanent employmentWork at officeLocal area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Lead API Developer. Be the first to apply!





