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TRCI-26-04171
Cloud-Native Gateway Engineer (Envoy)
Contract role in Warsaw for an engineer with strong Golang or Java skills to build and operate cloud-native API gateway capabilities using Envoy (Proxy/Gateway). The position focuses on REST API design with OpenAPI, implementing gateway security (OAuth2/OIDC, JWT validation, mTLS), and working end-to-end in a DevOps toolchain with CI/CD, Kubernetes, and Terraform.
Position summary
- Location
- United Kingdom
- Workplace
- On-site
- Employment
- Contract
- Experience
- Minimum 4 years and Maximum 7 years
Role overview
Why This Role Matters.
Contract role in Warsaw for an engineer with strong Golang or Java skills to build and operate cloud-native API gateway capabilities using Envoy (Proxy/Gateway). The position focuses on REST API design with OpenAPI, implementing gateway security (OAuth2/OIDC, JWT validation, mTLS), and working end-to-end in a DevOps toolchain with CI/CD, Kubernetes, and Terraform.
Your Impact
Deliver Enterprise Value
Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.
Collaboration
Work Across Teams
Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.
Growth
Learn Continuously
Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.
Career Path
Grow With Ubique
Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.
Responsibilities
What You'll Be Doing.
Every role at Ubique contributes directly to solving meaningful business challenges for our clients.
02
Envoy: Professional experience with Envoy Proxy or Envoy Gateway.
03
API design: Strong understanding of the OpenAPI Specification (OAS) for RESTful APIs.
04
Authentication & authorization: Hands-on experience implementing authentication and authorization at the gateway, including OAuth 2.0, OpenID Connect (OIDC), JWT validation, and mutual TLS (mTLS).
05
DevOps toolchain: Expertise across the DevOps toolchain, including CI/CD, Kubernetes, and Terraform.
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
01
Golang
Required
02
Go
Required
03
Java
Required
04
Cloud-native
Required
05
Envoy
Required
06
Envoy Proxy
Required
07
Envoy Gateway
Required
08
API Gateway
Required
09
OpenAPI
Required
10
OAS
Required
11
REST
Required
12
OAuth 2.0
Required
13
OpenID Connect
Required
14
OIDC
Required
15
JWT
Required
16
mTLS
Required
17
Mutual TLS
Required
18
CI/CD
Required
19
Kubernetes
Required
20
Terraform
Required
Requirements
Skills & Experience.
We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.
Essential
Required Qualifications
Golang or Java (advanced proficiency)
Cloud-native hands-on experience
Envoy Proxy or Envoy Gateway experience
REST API design and OpenAPI Specification (OAS)
Gateway authentication and authorization implementation
OAuth 2.0
OpenID Connect (OIDC)
JWT validation
Mutual TLS (mTLS)
CI/CD
Kubernetes
Terraform
Preferred
Nice to Have
There are no additional preferred qualifications for this position. If you meet the essential requirements, we encourage you to apply.
What you'll gain
More Than Just A Job.
We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.
Global Exposure
Collaborate with international clients and multicultural teams on enterprise programmes.
Continuous Learning
Expand your expertise through mentoring, certifications and hands-on project experience.
Career Growth
Take ownership, develop leadership skills and grow your consulting career over time.
Flexible Working
Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.
People First
Join a supportive culture where collaboration, respect and long-term relationships come first.
Enterprise Projects
Work on meaningful technology initiatives for leading organisations across industries.
Apply
Apply for Cloud-Native Gateway Engineer (Envoy)
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