Tecsys tech stack
Tecsys builds mostly with Java, SQL, Python, C#. Its stack also includes AWS, Kubernetes, PostgreSQL, Room. AWS is named in 15 of the 21 job postings Tecsys published in the last 12 months (71%). Counted by Alion from the job postings of Tecsys, updated Nov 5, 2026.
What programming languages does Tecsys use?
Java is named in 52% of job postings at Tecsys, followed by SQL (38%), Python (29%), C# (19%).
Show all (9)
What frameworks and libraries does Tecsys use?
Room is named in 29% of job postings at Tecsys, followed by JUnit (19%), Mockito (10%), Playwright (10%).
Room
6 29%
JUnit
4 19%
Mockito
2 10%
Playwright
2 10%
Spring Boot
2 10%
Dagster
1 5%
FastAPI
1 5%
Flask
1 5%
Show all (15)
What databases does Tecsys use?
PostgreSQL is named in 33% of job postings at Tecsys, followed by Amazon Redshift (5%), Apache Iceberg (5%), Google BigQuery (5%).
PostgreSQL
7 33%
Amazon Redshift
1 5%
Apache Iceberg
1 5%
Google BigQuery
1 5%
Oracle
1 5%
Snowflake
1 5%
Amazon Aurora
1 5%
What cloud and platforms does Tecsys use?
AWS is named in 71% of job postings at Tecsys, followed by Kubernetes (38%), Azure (29%), Databricks (29%).
AWS
15 71%
Kubernetes
8 38%
Azure
6 29%
Databricks
6 29%
Datadog
5 24%
GitLab
4 19%
.NET
3 14%
Amazon EC2
3 14%
Show all (27)
What developer tools does Tecsys use?
Git is named in 38% of job postings at Tecsys, followed by Terraform (29%), Maven (29%), Docker (24%).
Git
8 38%
Terraform
6 29%
Maven
6 29%
Docker
5 24%
Ansible
4 19%
Jenkins
4 19%
Rest API
3 14%
Helm
2 10%
Show all (14)
What AI and ML technologies does Tecsys use?
Claude is named in 14% of job postings at Tecsys, followed by LLM (5%).
Which engineering practices does Tecsys ask for?
CI/CD is named in 38% of job postings at Tecsys, followed by ETL/ELT (14%), Incident Management (14%), AI Agents (10%).
CI/CD
8 38%
Incident Management
3 14%
AI Agents
2 10%
FinOps
2 10%
Platform Engineering
2 10%
SLI/SLO/SLA
2 10%
Show all (14)
What does each Tecsys team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
6 postingsDevOps
5 postingsHow does your stack fit Tecsys?
How is the Tecsys stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Tecsys stack?
Tecsys scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How common is the Tecsys stack in its industry?
Share of the 6,131 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Tecsys apart
Companies with a stack like Tecsys
Questions about the Tecsys tech stack
What programming languages does Tecsys use?
The languages named in Tecsys job postings are Java (52%), SQL (38%), Python (29%), C# (19%), Bash (10%), as a share of the 21 postings of the last 12 months.
Does Tecsys use Room?
Yes. Room is named in 6 of 21 job postings (29%) and required in 5 of them.
What cloud and platforms does Tecsys use?
The cloud and platforms named in Tecsys job postings are AWS (15), Kubernetes (8), Azure (6) (postings in brackets).
What skills do you need for a Backend job at Tecsys?
Backend postings at Tecsys most often require PostgreSQL (5), JUnit (4), Java (4), SQL (4), out of 6 postings in the last 12 months.
Is the Tecsys tech stack changing?
Yes. Platform Engineering, Playwright, Mockito, Spring Boot first appeared in Tecsys job postings in the last six months.
How modern is the Tecsys tech stack?
Tecsys scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How does Alion know the Tecsys tech stack?
Alion reads every job posting Tecsys publishes and tags the technologies each one names. The figures on this page count the 21 postings of the last 12 months and were updated on Nov 5, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Tecsys tech stack: 88 technologies from 21 job postings", as of Nov 5, 2026. https://alion.io/company/tecsys/technologies