Sr Full Stack Developer with AWS - Advanced - Columbus, OH - Information Technology - Analysts

MassGenics, Inc.; Columbus (OH); On-site; USD 74,000 - 105,000; Full time

Benefits offered by this job

Medical & pharmacy coverage

401(k)

Health savings account (HSA)

Flexible spending account (FSA)

Life Insurance

Disability insurance

Paid time off

Job summary

Innova Solutions is seeking a Senior Full Stack Developer with AWS expertise for the Columbus, OH area. The role is contract-to-hire, 6+ months, and requires strong backend with Java/Spring Boot and Kafka, with a small amount of React frontend work.

Expect ECS/ECS, Docker, S3, Lambda, and extensive AWS experience for building new APIs from scratch. The ideal candidate will have 8+ years of experience, excellent communication, and be able to work independently while collaborating across teams.

Qualifications

• Must have Java/Spring Boot/Microservices/API/Kafka + AWS
• Frontend experience with React (approx. 10%)
• Experience with S3/Lambdas/ECS/EC2
• Docker/Kubernetes experience with ECS
• Ability to build APIs from scratch
• Senior level, able to work independently with strong communication
• Observability tools such as Splunk/Dynatrace/Grafana are a big plus
• 8+ years of experience preferred

Responsibilities

• Design, develop, and maintain Java/Spring Boot microservices
• Build APIs from scratch with robust error handling
• Develop front-end components in React integrated with backend services
• Deploy and operate services using Docker/Kubernetes in ECS
• Implement observability and monitoring with Splunk/Grafana
• Collaborate with teams, own end-to-end features, and communicate status

Skills

Java

Spring Boot

Microservices

API design

Kafka

AWS

React

Docker

Kubernetes

Communication

Tools

S3

Lambda

EC2

ECS

Dynatrace

Grafana

Splunk

Job description

Sr Full Stack Developer with AWS - Advanced - Columbus, OH - Information Technology

Job Description

We are Looking for a Sr Full Stack Developer with AWS - Advanced - Columbus, OH

Position Type: Contract to Hire

Duration: 6+ Months

Java Full Stack - (Hands-on IC, 7+ yrs) Spring + React + AWS + Kafka
Must Have:

• Java/Spring Boot/Microservices/API/Kafka + AWS – MUST HAVE
• There is a small front end built in React – 10% front end would be perfect
• Will be working with S3/Lambdas/ECS clusters/EC2 – Must have
• Will be using Docker/Kubernetes to work within ECS – Must have
• Will need to be strong in building API’s from scratch
• No existing code or API’s – Will all be new from scratch
• Looking for someone Sr, can work on their own, confident, good communication skills
• Group is using Splunk/Dynatrace/Grafana – big plus
• 8+ years experience preferred

1) Backend (Java/Spring Boot) expert

• Java: strong OOP + functional style, concurrency, collections, memory/perf awareness; can read thread dumps/heap dumps and profile hotspots..
• Kafka: Experience designing, building, and operating Kafka-based event streaming platforms-topics/partitions, producers/consumers, consumer groups, schema/serialization (Avro), Kafka Connect/Streams, security (ACLs/TLS), monitoring & tuning.
• Spring Boot: controllers/validation, exception handling, interceptors/filters, content negotiation, file upload/streaming, async request handling where needed.
• Spring Data/JPA: entity modeling, transactions, isolation levels, pagination, query tuning; handles N+1/fetch strategy issues; sensible use of projections vs entities..
• Build/deps: Photon/Maven/Gradle, BOMs, dependency hygiene, vulnerability remediation workflow.

2) Frontend (React) strong

• UI quality: accessibility basics, performance, error boundaries, loading states.
• API integration: robust data fetching/caching, pagination/infinite scroll, optimistic updates, consistent client-side error handling.
• Testing: React Testing Library; e2e basics with Cypress/Playwright.
• Core AWS fluency (expected to have shipped production workloads):
• Compute: ECS and EC2 autoscaling concepts
• Networking: VPC, subnets, security groups, NACL basics, private vs public connectivity
• Storage/data: S3; RDS/Aurora Postgress fundamentals; DynamoDB awareness even if not primary
• Integration: SQS/SNS
• Observability: Splunk & CloudWatch logs/metrics/alarms, log retention, dashboards
• Identity & access: IAM roles/policies, least privilege, cross-account basics, secrets management patterns.
• Infrastructure as Code: Terraform or CloudFormation/CDK (one strongly); environment promotion strategy (dev/test/prod), parameterization, drift awareness.
• Containerization: Docker images, health checks, resource limits, multi-stage builds.

4) Data & persistence - advanced

• SQL: indexes, query plans, joins, transaction semantics; can tune slow query issues end-to-end (app + DB).
• Caching: Redis (ElastiCache) usage patterns, TTL design, cache stampede prevention, invalidation strategy.

5) Observability & production excellence - expert

• Structured logging with correlation IDs; PII redaction discipline.
• Metrics + SLO thinking: latency/error rate saturation signals; actionable alarms (not noise).
• Operability: runbooks, on-call readiness, meaningful postmortems with preventative actions.

6) Testing & quality - expert

• Backend: JUnit5, Mockito, Spring test slices, Test containers; contract tests (Pact) preferred for service-to-service APIs.
• Performance: basic load testing and interpreting results; capacity and tuning recommendations.
• Security: SAST/dependency scans; remediates CVEs quickly and safely.

7) Security (practical, senior-level) - non-negotiable

• AuthZ: RBAC/ABAC concepts; least privilege both in app and AWS IAM.
• Secrets: no secrets in code/logs; uses managed secrets and rotation patterns.

We are currently interviewing to fill this and other similar positions. If this role is not a fit for you, we do offer a referral bonus program for referrals that we successfully place with our clients, subject to program guidelines.

PAY RANGE AND BENEFITS:

Pay Range*: $65/Hr.

*Pay range offered to a successful candidate will be based on several factors, including the candidate's education, work experience, work location, specific job duties, certifications, etc.

Benefits: Innova Solutions offers benefits( based on eligibility) that include the following: Medical & pharmacy coverage, Dental/vision insurance, 401(k), Health saving account (HSA) and Flexible spending account (FSA), Life Insurance, Pet Insurance, Short term and Long term Disability, Accident & Critical illness coverage, Pre-paid legal & ID theft protection, Sick time, and other types of paid leaves (as required by law), Employee Assistance Program (EAP).

ABOUT INNOVA SOLUTIONS: Founded in 1998 and headquartered in Atlanta, Georgia, Innova Solutions employs approximately 50,000 professionals worldwide and reports an annual revenue approaching $3 Billion. Through our global delivery centers across North America, Asia, and Europe, we deliver strategic technology and business transformation solutions to our clients, enabling them to operate as leaders within their fields.

Recent Recognitions:

Named One of America’s Best Employers for New Grads by Forbes (2024)

Named One of the Best Companies to Work for by U.S. News & World Report (Private Companies List, 2024-2025)

One of the Largest IT Staffing Firms in the US – Ranked #3 by Staffing Industry Analysts (SIA, 2024)

One of the Largest Staffing Firms in the US – Ranked #13 by Staffing Industry Analysts (SIA, 2024; includes Innova Solutions, Volt, & HireGenics)

Named One of the Top Ten Private Companies in Atlanta by the Atlanta Business Chronicle (2023)

One of the Largest Certified Minority Business Enterprises (MBEs) in the United States (NMSDC, 2024)

AWS Advanced Tier Services Partner with 100+ certifications

Innova Solutions is an Equal Opportunity Employer and prohibits any kind of unlawful discrimination and harassment. Innova Solutions is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment on the basis of race, color, religion or belief, national origin, citizenship, social or ethnic origin, sex, age, physical or mental disability, veteran status, marital status, domestic partner status, sexual orientation, or any other status protected by the statutes, rules, and regulations in the locations where it operates. If you are an individual with a disability and need a reasonable accommodation to assist with your job search or application for employment, please contact us at [e-mail] or [phone]. Please indicate the specifics of the assistance needed. Innova Solutions encourages all interested and qualified candidates to apply for employment opportunities. Innova Solutions (HireGenics/Volt) does not discriminate against applicants based on citizenship status, immigration status, or national origin, in accordance with 8 U.S.C. § 1324b.

The company will consider for employment qualified applicants with arrest and conviction records in a manner that complies with the San Francisco Fair Chance Ordinance, the Los Angeles Fair Chance Initiative for Hiring Ordinance, and other applicable laws.

Thank You!

Team Innova Solutions