Staff Software Engineer / Architect
ECHO IT SOLUTIONS INC .
Position Title: Staff Software Engineer / Architect - Java Modernization (AWS / Kubernetes)
Location: St. Louis, MO JD We are looking for a staff-level software engineer / architect to lead the modernization of a largescale, mission-critical Java platform. This role is hands-on and focused on rewriting and re-architecting existing systems using modern Java, Spring Boot, and cloud-native patterns on AWS. What You'll Do
Location: St. Louis, MO JD We are looking for a staff-level software engineer / architect to lead the modernization of a largescale, mission-critical Java platform. This role is hands-on and focused on rewriting and re-architecting existing systems using modern Java, Spring Boot, and cloud-native patterns on AWS. What You'll Do
- Modernize a legacy Java platform to Java 21 and Spring Boot
- Re-architect monolithic components into well-structured, cloud-native services
- Design and build services for AWS EKS and/or OpenShift
- Define execution models, service boundaries, and deployment patterns
- Drive architectural decisions around performance, scalability, and reliability
- Work closely with platform, DevOps, and cloud infrastructure teams
- Mentor senior engineers and set engineering standards
- Own solutions end-to-end - from design through production
- Staff-level experience building and modernizing large Java systems
- Strong hands-on experience with Java (17+ preferred, 21 ideal) and Spring Boot
- Deep understanding of distributed systems and system design
- Practical experience deploying applications on AWS, preferably EKS
- Solid Kubernetes knowledge (EKS and/or OpenShift)
- Experience containerizing applications and running them on a scale
- Strong grasp of performance tuning, JVM behavior, and low-latency systems
- Ability to operate as both architect and hands-on engineer
- Experience migrating from monoliths to cloud-native architectures
- Exposure to eventing, messaging, or streaming systems (Kafka, MQ, etc.)
- Familiarity with CI/CD pipelines and infrastructure-as-code
- Background in financial services, payments, or high-throughput systems
- Opportunity to shape the future architecture of a critical platform
- Work on complex, high-scale systems where design decisions matter
- High ownership, real technical impact, and long-term relevance
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Staff Software Engineer / Architect in Saint Louis, MO vacancy
$140k - $210k
...(*Comscore, Total Visits, March 2025) Day to Day As a Software Engineer IV (ML) on the Machine Learning Model Platform team at Indeed... ...delivery with long-term maintainability and scalability. Architect new solutions, evaluate trade-offs, and validate ideas through...SuggestedTemporary workWork experience placementLocal areaIndeed Inc.
Saint Louis, MO12 days ago$117k - $171k
...to make a real difference, there’s only one choice. Staff Software Engineer, Backend The world's farmers make high-stakes decisions... ...Engineer, your role is to ensure those platforms are architected for scale, reliability, and the demands of AI and machine...SuggestedLocal areaBayer
Saint Louis, MO8 days ago$140k - $210k
...minds to make a real difference, there's only one choice. Staff Software Engineer The Digital Farming Solutions (DFS) division of Bayer... ...team. Enjoy collaborating with other engineers and architects to create a vision where all the pieces of the software ecosystem...SuggestedBayer
Saint Louis, MO5 days ago- A leading software development firm in St. Louis is seeking a skilled Mobile App Developer to design and maintain applications for Android and iOS. Candidates should have proven experience in mobile app development, proficiency in Java/Kotlin and Swift/Objective-C, and...Suggested
- ...detail. Excellent communication and teamwork skills. Preferred Qualifications (Optional) Bachelor’s degree in Computer Science, Engineering, or related field. Experience with Firebase, cloud messaging, push notifications, analytics, and CI/CD tools. Familiarity with native...Suggested
- ...technologies to maximize development efficiency. Position Requirements What You'll Need Minimum 5 years of experience in software development. Minimum 2 years of experience developing and delivering mobile applications. Detailed understanding of system...Work experience placementHome office
The Timberline Group Company
Saint Louis, MO5 days ago - Expectation Develop hands on C/C++ software and integrate your work within Smith+Neu\u2019s Agile Scrum teams. Support and augment internal team of 10+ software engineers. Deliver against sprint commitments and program increment objectives. Job description At least...For contractors
- XTRA Lease, located in St. Louis, MO, is seeking an Applications Developer to join its team. This role involves developing, testing, and maintaining custom technology solutions, primarily on a Microsoft platform, in a collaborative environment. Applicants should possess...
$177.65k - $240.35k
...The Boeing Company is looking for a Mission Systems Lead Software Architect to join the Air Proprietary 2 Mission Systems team located... ...standards. This role will also coordinate with the Digital Engineering Environment team, Systems Engineering, Customers, and Program...Permanent employmentWork experience placementInterim roleRelocationVisa sponsorshipWork visaFlexible hoursShift workDay shiftThe Boeing Company
Saint Louis, MO2 days ago- ...Senior Solution Architect Lead position to architect and design cloud information to... ...architecture, design, and integration of business software across multiple product platforms while... ...Bachelor's degree in Computer Science, Engineering or Management Information Systems...Work experience placement
The Timberline Group Company
Saint Louis, MOa month ago $56 - $80 per hour
...Our Energy & Utilities client is seeking a Lead Full Stack Software Engineer to join their Transmission Software Engineering team! This position... ..., validate, and correct data across integrated systems Architect and implement API-driven integrations between enterprise...Full timeLocal area3 days per weekKellyMitchell Group
Saint Louis, MO5 days ago- A leading defense technology firm in St. Louis, Missouri, seeks a Senior Software Engineer skilled in C++ embedded development. This position demands U.S. Citizenship and an on-site presence four days a week. The ideal candidate will work on pivotal projects that enhance...
- ...Serve as the technical authority for embedded motor control software, controls algorithms, and system behavior within C&I motor control... ...technical leadership, design direction, and mentoring other engineers while partnering closely with power electronics, mechanical, manufacturing...Contract workShift work
NIdec Motor
Saint Louis, MO3 days ago - ...Enterprise Solution Architect The Enterprise Solution Architect is a leader within our... ...and solutions. This role partners with Engineering Leadership and Product Leadership to assist... ...Readiness, mentoring development staff on Engineering practices and occasionally...Temporary work
The Timberline Group Company
Saint Louis, MO5 days ago - No C2C - Must reside in the US - Must be authorized to work in the US with NO Sponsorship About the Role Are you a skilled ABAP Developer ready to take your SAP experience to the next level? We are looking for an experienced and motivated ABAP Developer...
The Timberline Group Company
Saint Louis, MO1 day ago - Overview: Position: Back-End and Application Programming Interface (API) Developer Job Type: 5-6 months (high Probability to Extend) Location: Onsite - St. Louis, MO Responsibilities: Develop and maintain robust back-end services and REST APIs using...
Stellar IT Group
Saint Louis, MO2 days ago - What makes our Applications Developer position unique? Owned by Berkshire Hathaway, we offer a stable work environment acting as part of an enterprise level, multi-tier processing team Consistent Monday-Friday schedule (37.5 hours/week) with rare nights...Full timeMonday to FridayNight shiftWeekend work
XTRA Lease
Saint Louis, MO5 days ago - ...matter expert responsible for the analysis, design, engineering, development and implementation of software projects within the ServiceNow enterprise application... ...support as needed. Work with multiple levels of staff and leadership to understand the requirements and how...Remote jobFull timeFor contractorsWork experience placementImmediate start
- ...and leveraging learning opportunities. Internal Relationship Management ~ Develop strong partnerships with internal IT staff to ensure solutions address McCarthy's needs effectively and requests are addressed in a timely and effective manner. Work closely with...Full timeWork at officeRemote workShift work
McCarthy Building
Saint Louis, MO2 days ago $75k - $145k
...Performance Software and its sister company, Talent Tier, are midsize companies with a great work-life balance, providing innovative... ...Bachelors or advanced degree in Computer Science, Computer Engineering, Electrical Engineering, Computer Systems Engineering, Mathematics...Hourly payPermanent employmentFull timeRemote workFlexible hoursPerformance Software
Saint Louis, MO4 days ago$99k - $232k
...individuals analyse client needs, implement software solutions, and provide training and... ...strategic planning and mentoring junior staff. You are expected to be accountable for... ...onshore & offshore teams - Proficiency in architecting and creating solution designs -...Full timeH1bPwC
Saint Louis, MO11 days ago$99.45k - $134.55k
...great opportunity for professional growth. Find your future with us. The Boeing Company is looking for Missions Systems Software Engineers - Embedded to join the Boeing's Mission Systems Software team in Berkeley, Missouri. This position is hiring for multiple...Permanent employmentWork experience placementInterim roleRelocationVisa sponsorshipWork visaFlexible hoursShift workDay shiftThe Boeing Company
Saint Louis, MO5 days ago- ...Job Title: Software Architect Job Type: Full-Time Location: St. Louis, MO Security Requirements: ~ Active TS/SCI clearance... ...detailed software architecture solutions Partner with engineering teams to implement architectural designs and best practices...Full time
Abode Tech Zone
Saint Louis, MO23 days ago - ...Software Architect The Software Architect will be an important and influential member of the... ...in computer science, math, science or engineering required. ~ Excellent communication... ...demonstrated ability to coach more junior staff members. Preferences...
The Timberline Group Company
Saint Louis, MO10 days ago - ...Job Title: .Net Application Architect Location: St. Louis, MO Remote until March 2022 Duration: 12+ Months Contract The project involves developing several new complex API's, CBO development, publishing and consuming data from Kafka topics, developing...Contract workRemote work
Navtech
Saint Louis, MO1 day ago - ...Bachelor's Degree in Computer Science, Information Services, Engineering, or related field. 10+ years of technology / IT or Disaster... ...tools. Familiarity with industry-recognized BCM software (Riskonnect, Fusion). Experience with governance, regulatory...
The Timberline Group Company
Saint Louis, MO2 days ago - ...III Minimum 6 to 10 years experience designing or configuring software applications .......Level IV Minimum 10+ years experience designing... ...possibility : No Global Role Family : 60236 (P) Software Engineering Global Technical Skills Family : 6267 (T) Other ERP...Permanent employmentFor contractorsH1bLocal areaRemote workRelocation
Ztek Consulting
Saint Louis, MO3 days ago - ...Software Architect The Software Architect will be an important and influential member of the... ...in computer science, math, science or engineering required. ~ Excellent communication... ...demonstrated ability to coach more junior staff members. Preferences:...
The Timberline Group Company
Saint Louis, MO20 days ago - ...The Principal Artificial Intelligence (AI) Software Architect Leads the design, development, and deployment of advanced AI and software engineering solutions across the enterprise. This role blends deep expertise in artificial intelligence with architectural leadership...
Perceptive Recruiting, LLC
Saint Louis, MO5 days ago - ...Job Description Summary The Commercial Engine Services Business Intelligence team is building AI-enabled analytics solutions... ...across commercial and operational domains. We're seeking a Senior Software Architect who will split their time between building our platform...Contract workRemote workRelocation package
GE Aerospace
Saint Louis, MO5 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Staff Software Engineer / Architect. Be the first to apply!
Related searches
- application architect Saint Louis, MO
- .net software architects (remote) Saint Louis, MO
- software architect Saint Louis, MO
- id software Saint Louis, MO
- software sales Saint Louis, MO
- software technical support engineer Saint Louis, MO
- javascript software engineer Saint Louis, MO
- software engineer - cloud services Saint Louis, MO
- embedded software Saint Louis, MO
- mid-level software developer Saint Louis, MO